Zenith H25F39DT Series, H20F34DT Series, H25F36DT Series, H27F36DT Series, H27F39DT Series Service Manual

Zenith

SERVICE MANUALSERVICE MANUALSERVICE MANUAL

Product Type: Chassis Manual Series: Manual Part #: Model Line: Product Year:

Commercial Color TV CL SR25 3828VD0171B F 2005

Model Series:

H19F34DT H20F34DT H24F34DT H25F34DT H24F39DT H25F39DT H27F34DT H27F39DT H24F36DT H25F36DT H27F36DT

H32F36DT H27F36S

General Information/Remote Controls................................

Installer ’s Menu ............................................................

Servicing/Trobleshooting ................................................

Model/Module Parts List .................................................

Exploded Views .............................................................

Schematics ...................................................................

Printed in U.S.A.

CONTENTS

1 2 3 4 5 6

Published by

Technical Publications

Zenith Electronics Corporation

P.O. Box 240007

Huntsville, Al 35824

Copyright May 2005 by Zenith Electronics Corporation ©

PRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO-VIDEO PRODUCTS

A

IMPORTANT SAFETY NOTICE

This Manual was prepared for use only by properly trained audio-visual service technicians. When servicing this product, under no circumstances should the original design be modified or altered without permission from Zenith Electronics Corporation. All components should be replaced only with types identical to those in the original circuit and their physical location, wiring and lead dress must conform to original layout upon completion of repairs.

Special components are also used to prevent x-radiation, shock and fire hazard. These components are indicated by the letter “x” included in their component designators and are required to maintain safe performance. No deviations are allowed without prior approval by Zenith Electronics Corporation.

Circuit diagrams may occasionally differ from the actual circuit used. This way, implementation of the latest safety and performance improvement changes into the set is not delayed until the new service literature is printed.

Caution: Do not attempt to modify this product in any way. Never perform customized installations without manufacturer’s approval. Unauthorized modifications will not only void the warranty, but may lead to property damage or user injury.

Service work should be performed only after you are thoroughly familiar with these safety checks and servicing guidelines.

Graphic symbols

The exclamation point within an equilateral triangle is intended to alert the service personnel to important safety information in the service literature.

The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the service personnel to the presence of noninsulated “dangerous voltage” that may be of sufficient magnitude to constitute a risk of electric shock.

The pictorial representation of a fuse and its rating within an equilateral triangle is intended to convey to the service personnel the following fuse replacement caution notice: CAUTION: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ALL FUSES WITH THE SAME TYPE AND RATING AS MARKED NEAR EACH FUSE.

SERVICE INFORMATION

While servicing, use an isolation transformer for protection from AC line shock.

After the original service problem has been corrected, make a check of the following:

FIRE AND SHOCK HAZARD

1. Be sure that all components are positioned to avoid a possibility of adjacent component shorts. This is especially important on items transported to and from the repair shop.

2. Verify that all protective devices such as insulators, barriers, covers, shields, strain reliefs, power supply cords, and other hardware have been reinstalled per the original design. Be sure that the safety purpose of the polarized line plug has not been defeated.

3. Soldering must be inspected to discover possible cold solder joints, solder splashes, or sharp solder points. Be certain to remove all loose foreign particles.

4. Check for physical evidence of damage or deterioration to parts and components, for frayed leads or damaged insulation (including the AC cord), and replace if necessary.

5. No lead or component should touch a receiving tube or a resistor rated at 1 watt or more. Lead tension around protruding metal surfaces must be avoided.

6. After re-assembly of the set, always perform an AC leakage test on all exposed metallic parts of the cabinet (the channel selector knobs, antenna terminals, handle and screws) to be sure that set is safe to operate without danger of electrical shock. DO NOT USE A LINE ISOLATION TRANSFORMER DURING THIS TEST. Use an AC voltmeter having 5000 ohms per volt or more sensitivity in the following manner: Connect a 1500 ohm, 10 watt resistor, paralleled by .15 mfd 150V AC type capacitor between a known good earth ground (water pipe, conduit, etc.) and the exposed metallic parts, one at a time. Measure the AC voltage across the combination of 1500 ohm resistor and .15mfd capacitor. Reverse the AC plug by using a non-polarized adaptor and repeat AC voltage measurements for each exposed metallic part. Voltage measured must not exceed 0.75 volts RMS. This corresponds to 0.5 milliamp AC. Any value exceeding this limit constitutes a potential shock hazard and must be corrected immediately.

.C. Voltmet er

Good Earth Ground such as the Water Pipe, Conduit, etc.

0.16uF

1600 OHM

10 WATT

Place this probe on each exposed metal part.

X-RADIATION

1. Be sure procedures and instructions to all service personnel cover the subject of x-radiation. The only potential source of x-rays in current TV receivers is the picture tube. However, this tube does not emit x-rays when the HV is at the factory-specified level. The proper value is given in the applicable schematic. Operation at higher voltages may cause a failure of the picture tube or high-voltage supply and, under certain circumstances may produce radiation in excess of desirable levels.

2. Only factory-specified CRT anode connectors must be used.

3. It is essential that the service personnel have available an accurate and reliable high-voltage meter.

4. When the high-voltage circuitry is operating properly, there is no possibility of an x-radiation problem. Every time a color chassis is serviced, the brightness should be run up and down while monitoring the high voltage with a meter, to be certain that the high voltage does not exceed the specified value and that it is regulating correctly.

5. When troubleshooting and making test measurements in a product with a problem of excessively high voltage, avoid being unnecessarily close to the picture tube and the high voltage power supply. Do not operate the product longer than necessary to locate the cause of excessive voltage.

6. Refer to HV, B+, and shutdown adjustment procedures described in the appropriate schematics and diagrams (where used).

IMPLOSION

1. All direct view picture tubes are equipped with an integral implosion protection system; take care to avoid damage during installation.

2. Use only the recommended factory replacement tubes.

TIPS ON PROPER INSTALLATION

1. Never install any receiver in a closed-in recess, cubbyhole, or closely fitting shelf space over, or close to, a heat duct, or in the path of heated air flow.

2. Avoid conditions of high humidity such as: outdoor patio installations where dew is a factor, near steam radiators where steam leakage is a factor, etc.

3. Avoid placement where draperies may obstruct venting. The customer should also avoid the use of decorative scarves or other coverings that might obstruct ventilation.

4. Wall- and shelf-mounted installations using a commercial mounting kit must follow the factory-approved mounting instructions. A product mounted to a shelf or platform must retain its original feet (or the equivalent thickness in spacers) to provide adequate air flow across the bottom. Bolts or screws used for fasteners must not touch any parts or wiring. Perform leakage tests on customized installations.

5. Caution customers against mounting a product on a sloping shelf or in a tilted position, unless the receiver is properly secured.

6. A product on a roll-about cart should be stable in its mounting to the cart. Caution the customer on the hazards of trying to roll a cart with small casters across thresholds or deep pile carpets.

7. Caution customers against using a cart or stand that has not been listed by Underwriters Laboratories, Inc. for use with its specific model of television receiver or generically approved for use with TVs of the same or larger screen size.

8. Caution customers against using extension cords. Explain that a forest of extensions, sprouting from a single outlet, can lead to disastrous consequences to home and family.

i

PRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO-VIDEO PRODUCTS

X-Radiation

To preven t possible exposure to x-radi ation caused by ex cessive CRT anode voltage, the CL chassis incorporate a “High Voltage Shutdown” circuit. This circuit senses the level of a flyback pulse from the “Flyback Transformer” representative of the actual high voltage on the CRT anode. When this level exceeds a predetermined voltage, the circuit shuts down the TV set, preventing further generation of anode voltage.

Shutdown Circuit Operation

(Refer to Figure below) The flyback pulse voltage from pin 6 of TX3204 (Flyback Transformer) is peak detected (rectified) by the action of diode DX3006 and capacitor CX3003. This forms a DC voltage appearing on CX3003 representative of the CRT anode voltage (HV) produced by TX3204. This voltage is divided down by precision resistors RX3013, RX3015, RX3016 and RX3022. This lower voltage appears on the zener diode ZDX3004; when this voltage exceeds by 3.5 Vdc the “zener voltage” the HV shutdown occurs (pin 29 of ICX2200).

CRT Anode High Voltage Measurement Procedure Each CRT screen size has its own safe operating anode and shut-

down voltage. Critical safety component (designated with an ‘X’ in the component designator) are designed to operate the CRT at a safe operating anode voltage and provide proper shutdown thresholds. If replacement of any of these components are deemed necessary, it is important to use original type Zenith components. After replacement is made, confirm proper anode voltage using the following procedure.

Measurement of the CRT anode voltage must be performed using a high impedance-high voltage meter, with no raster on the screen, and operating at nominal horizontal frequency, 15.75 Khz (NTSC signal).

After discharging the CRT, connect a high impedance-high voltage meter to the CRT anode. Turn the television ‘on’ and confirm a good signal is being displayed. Reduce Brightness and Contrast settings until the picture is well extinguished.

Observe the anode voltage meter reading and compare with the table below for the proper CRT screen size. If the voltage reading is higher than the maximum, verify circuit component values and proper operation.

CRT anode Voltage

CRT Screen Size

19" 26 ± 1.0 32 20” 26 ± 1.0 32

24"/25 28 ± 1.0 34

27” 28 ± 1.0 34 32” 30 ± 1.0 36

COMPONENTS WITH ANY INFLUENCE IN HV INCREASE

CX3216 RX3015

CX3210 RX3013 CX3212 ZDX3004 CX3252 RX3704

CX3256 RX3703 RX3022 RX3705 RX3016 RX3706

Nominal Anode Voltage

(KV)

Fly-Back Transformer

Deflection Yoke

Max. Shutdown Voltage

(KV)

HV SHUTDOWN PROCEDURE.

·After discharging the CRT, connect a high impedance-high voltage meter to the CRT anode

·Access Video Menu and adjust Brightness and Contrast controls for minimum screen luminance (beam current to 0 mA).

·Wait until the Video Menu or display disappear.

·Connect a variable Resistor (1 MW) in parallel with RX3704, and decrease slowly the resistance value until shutdown occurs.

·Measure High Voltage shutdown.

Flyback Pulse

RX3211

IN

From Pin 6

TX3204

DX3006

CX3003

RX3013

RX3008

ZDX3004

RX3022

RX3015

RX3016

QX3002

RMX3009

ii

CX3004

+5v

QX3001

RMX3021

SHUTDOWN

OUT

TO PIN 4 IC6000

TABLE OF CONTENTS

SECTION 1......GENERAL INFO

PRODUCT SAFETY SERVICING GUIDELINES i~ii

INTRODUCTION ........................ 1-1

OVERVIEW ........................ 1-1

INTERFACES .......................... 1-2

SUPERPORT - MPI ................. 1-2

MULTIPLE PROTOCOL INTERFACE ...... 1-2

EBC (EDGE BOARD CARD) ............ 1-2

CONNECTION CENTER ON BACK OF TV .. 1-2

REMOTE CONTROL ...................... 1-4

LT-2000/02 CLONE PROGRAMMER ......... 1-5

QUICKSET II PROGRAMMER ........... 1-5

LEARN FROM TV ................... 1-5

WRITE TO TV ..................... 1-5

SET CLONE CLOCK FROM TV .......... 1-6

SET TV CLOCK FROM CLONE .......... 1-6

DISPLAY TV SETUP ................ 1-6

DISPLAY CLONE SETUP .............. 1-6

OPERATION NOTES ................. 1-6

USER MENUS .......................... 1-7

SETUP MENU ...................... 1-7

AUTOPROGRAM....................... 1-7

ADD/DEL/BLNK .................... 1-7

CHANNEL LABELS ................. 1-7

CLOCK SET ....................... 1-8

TIMER ........................... 1-8

CAPTIONS ........................ 1-8

LANGUAGE ........................ 1-8

AUDIO MENU ...................... 1-9

VIDEO MENU ...................... 1-9

PARENTAL CONTROL ............... 1-10

ON-SCREEN DISPLAYS ............. 1-11

CHANNEL/TIME/AUDIO DISPLAY ...... 1-11

CH PREVIEW MENU ................ 1-11

CAPTIONS DISPLAY ............... 1-12

SOURCE MENU .................... 1-12

SECTION 2.......FACTORY &

INSTALLERS MENU

ACCESING INSTALLERS MENU .............2-1

INSTALLERS MENU ADJUSTMENTS ...... 2-1

ADJUSTMENT CHART ................. 2-6

ACCESING FACTORY MENU (34-36 SERIES) 2-8

FACTORY MENU OPTIONS ............. 2-8

ACCESING FACTORY MENU (39 SERIES) .. 2-11

FACTORY MENU OPTIONS ............ 2-11

SECTION 3.........SERVICING

SERVICING ........................... 3-1

GENERAL INFORMATION .............. 3-1

MODULE-LEVEL SERVICING ........... 3-1

SERVICING THE POWER SUPPLY ....... 3-1

IF SERVICING .................... 3-4

AGC DELAY ....................... 3-4

G2 ADJUSTMENT......................3-4

FOCUS ADJUSTMENT ................ 3-4

ADJUSTMENT OF RGB CUTOFF ......... 3-4

SWITCHING PROCESS..................3-5

SENSING AND PRIORITIES.............3-5

PRELIMINARY SETUP ............... 3-6

PURITY ADJUSTMENT ............... 3-6

CONVERGENCE ADJUSTMENT ........... 3-6

VERTICAL-TILT WEDGE ADJUSTMENT.....3-7

HORIZONTAL-TILT WEDGE ADJUSTMENT . 3-7

UNUSUAL TILT CASE ............... 3-7

IMPROVING CRT CORNER PURITY........3-7

MODIFICATION.......................3-7

SECTION 4.......MODEL PARTS

H19F34DT ........................ 4-1

H20F34DT ........................ 4-1

H25F34DT ........................ 4-1

H25F39DT ........................ 4-1

H27F34DT ........................ 4-2

H27F39DT...........................4-2

H25F36DT ........................ 4-2

H27F36DT ........................ 4-2

H27F36S ......................... 4-2

H32F36DT...........................4-2

H24F/34DT/36DT/39DT................4-3

SECTION 5..........DIAGRAMS

H19F34DT EXPLODED VIEW........... 5-1

H20F34DT EXPLODED VIEW ........... 5-2

H24F34DT/36DT/39DT EXPLODED VIEW.. 5-3 H25F34DT/36DT/39DT EXPLODED VIEW. 5-4

H27F34DT/36DT/36S/39DT EXPLODED ... 5-5

H32F36DT EXPLODED VIEW.............5-6

SECTION 6........SCHEMATICS

POWER SUPPLY .................... 6-1

MAIN MICRO CIRCUIT .............. 6-2

DEFLECTION CIRCUIT .............. 6-3

VIDEO PROCESSOR CIRCUIT .......... 6-4

AUDIO PROCESSOR ................. 6-5

A/V SWITCH ...................... 6-6

MPI CARD CIRCUIT ................ 6-7

VIDEO OUTPUT .................... 6-8

EDGE CARD CIRCUIT ............... 6-9

AUDIO AMPLIFIER ................ 6-10

COMB FILTER .................... 6-11

BLOCK DIAGRAM .................. 6-12

PCB TOP LAYOUT ................. 6-13

PCB BOTTOM LAYOUT .............. 6-14

PCB TOP LAYOUT ................. 6-15

PCB BOTTOM LAYOUT .............. 6-16

TOC - 1 FCS-48SERIES -TOC

OVERVIEW

FX3400

SHIELD

1

INTRODUCTION

This manual covers the CL Chassis Commercial Sets. All suffix 36 models have stereo, surround, MPI, and super video ports. The CL series chassis features nine ICs for all signal, sync, and sweep processing.

ICM2200 - Audio/video, sync and sweep drive processing. IC6000 - Main microprocessor. It is tied directly to the keyboard and the infrared detector. IC6001 - System memory . IC2100 - V erti cal sweep amplifier. IC2901 - Video switch. ICX3612 - Power supply. This is a switching type supply powered by a bridge rectifier circuit. At turn on, voltages for

the vertical and video output circuit are derived from the sweep circuit.

IC1400 - Stereo audio processing. IC2902 - Y/C switch. IC2800 - Audio switch.

F-Line CL Chassis Model Information

MODEL SCR

FRONT

JACKS

H19F34DT 19 N/A 3 MONO SuperPort Slot, MPI Card 6710V00108A 0IMCRMI038A 3828VA0A30A

H20F34DT' 20 N/A 3 MONO SuperPort Slot, MPI Card 6710V00108 A 0IMCRMI03 8A 3828VA0A30A

H24/25F34DT 25 3 3 MONO SuperPort Slot, MPI Card 6710V00108A 0IMCRMI038A 3828VA0A30A

H24/25F39DT 25 3 3 MONO N/A 6710V00108A 0IMCRMI039A 3828VA0A30A

H27F34DT 27 3 3 MONO SuperPort Slot, MPI Card 6710V00108A 0IMCRMI038A 3828VA0A30A H27F39DT 27 3 3 MONO N/A 6710V00108A 0IMCRMI039A 3828VA0A30D

H24/25F36DT 25 3 7 Stereo MTS SuperPort Slot, MPI Card 6710V00108A 0IMCRMI038A 3828VA0A30C

H27F36DT 27 3 7 Stereo MTS SuperPort Slot, MPI Card 6710V00108A 0IMCRMI038A 3828VA0A30C H32F36DT 32 3 7 Stereo MTS SuperPort Slot, MPI Card 6710V00108A 0IMCRMI038A 3828VA0A30C

REAR

JACKS

AUDI O EXTR A FEAT URES REMOTE MI C RO OP G UIDE

MODULE LEVEL REPAIR ONLY

SR25-3828VD0171B 1-1 CL - OVERVIEW

OVERVIEW (continued)

INTERFACES

CAMPORT

Some models have video and right/left audio input jacks at the front of the receiver. These jacks can be used to view videotapes from a VCR or Camcorder. When the video cable is plugged into the jack, the shorting jumper J1 opens, placing a high at pin 10 of the IC6000 microprocessor. This switches the TV into the auxiliary mode. As long as the cables are attached, the TV set will be locked in auxiliary mode. Use of a remote control or buttons on the front of the set will not permit switching into tuner mode until the video cable is disconnected.

SUPERPORT - MPI

Zenith Commercial Product receivers are now being adapted to interact with other equipment. Prime examples of this can be found in Lodging and Health Care situations where the set is controlled from the main office.

All this is made possible by the new technology that is being built into these receivers. The SuperPort and Multiple Protocol Interface (MPI) jack and associated circuitry allow remote control of the set.

MULTIPLE PROTOCOL INTERFACE

Television functions and features are controlled by the communication of commands and status information through a SuperPort by the MPI interface.

EBC (EDGE BOARD CONNECTOR)

Allows easy access for removing/installing accessory modules providing a rail mounted slide-through card. These cards might contain one of the above features.

CONNECTION CENTER ON BACK OF TV

The connection on the back of the TV contains the input and output interfaces.

SR25-3828VD0171B 1-2 CL - OVERVIEW

OVERVIEW (continued)

A

CONNECTION CENTER ON BACK OF TV

The connection center on the rear of the TV allows for connection of the viewing source. The diagrams list the use of each jack on the connection center.

1. ANTENNA/CABLE JACK

Use the jack for 75-ohm antenna-type signal connections to the TV. Attach antenna, cable TV line, or other video equipment to jack. The input cable may come from an outdoor or master antenna, cable TV line, cable decoder box, or the RF output from a VCR.

2. SUPERPORT LOCATION

Provides for easy installation of local service provider accessory module without removing the cabinet back. Module is housed inside the TV cabinet and receives operating power and all necessary interface signals through internal connections.

3. MPI (MULTIPLE PROTOCOL INTERFACE) JACK

Standard RJ11 jack that provides interface with inroom entertainment and video services. Also used with installer’s programmer (page 1-5) for programming other TVs in the system with the same features as the master TV.

4. S-VIDEO IN AND OUT

These jacks are for input and output connections to SUPER-VHS video equipment. Use the input jack for viewing S-Video. Use the output jack to loop the SVideo signal to an additional TV or monitor. The right and left audio jacks are used for stereo input or output paired with the S-Video Signal.

5. VIDEO IN AND AUDIO IN

Use the Video and Audio In jacks for baseband video and audio input signals from a VCR or other signal source.

6. MATRIX SPEAKER OUT

Use this jack for connection of an 8-ohm extension speaker to get television sound at a remote location. The speaker in the TV remains active, while a monaural audio output is heard from the remote speaker.

7. EBC KNOB

For handling/removal of EBC (Edge Board Card).

1

ANTENNA

CABLE

6

MATRIX OUT

AUDIO IN

R

VIDEO IN

S-VIDEO IN

R AUDIO INLL

4

7

5

7

Super

Port

2 3

M. P. I.

7

Super

Port

NTENNA

CABLE

M. P. I.

2 3

1

7

6

MATRIX OUT

AUDIO IN

VIDEO IN

5

Used on HXXXX34DTUsed on HXXXX36DT models

1

NTENNA

CABLE

7

6

MATRIX OUT

VIDEO IN

AUDIO IN

5

SR25-3828VD0171B 1-3 CL - OVERVIEW

Used on HXXXX39DT

REMOTE CONTROL

Press to turn TV ON or OFF

POWER

Press to access closed captions.

CC

VOLUME

Press left to reduce or right to

increase volume level of TV.

NUMBERED BUTTON S

Press repeatedly to select

desired menu.

TIMER

Press to activate SLEEP TIMER.

MUTE

Press to turn off sound while picture remains. Press again

C

to restore sound.

FLSHBK

Press to return to last TV channel you were watching.

CHANNEL Up/Down

Press to select a TV channel by going up/down through channels programmed in the TV memory.

ENTER

Press to view Channel/Time or to remove any on-screen display in

Display

menu or

TV mode.

ALARM

Press to turn wake-up alarm ON or OFF.

CH PREV

Displays on-screen, preprogrammed directory of station and network affiliations when in TV mode.

SR25-3828VD0171B 1-4 CL - OVERVIEW

SC652Z

6710V00108A

LT2000 & LT2002 CLONE PROGRAMMER

Statu s

Indicato r

MPI

Rese t

Color

battery OK

green

battery low

red

Blink pattern

slow

QUICKSET II PROGRAMMER

The Quick Set II programmer LT2000 & LT2002 allows custom setup and programming information to be quickly copied from a master TV into multiple television sets. Once learned from the master, setup data is retained in the LT2002 for future use and recall.

When using the LT2002 , operation will be easier if the TV is connected to a good quality signal and is displaying a stable picture . To oper ate the L T2002, use the indicated keys on an installer’s remote or user’s remote, or the front panel keys on the TV receiver.

SETUP

Begin the programming process by setting up a master TV set using one of the installer’s remotes or an MBR remote. Follow the instructions in the operating guide for the specific TV model. Remember to set all features that will be customized including the channel scan list, channel labels, and installer menu setups.

Next connect the LT2002 to the master TV set using the cable provided with the programmer. Connect the cable between the MPI jack on the TV and the programmer. The TV set automatically activates the programmer.

Once connected, check the “Status Indicator” LED on the programmer. If the indicator is green and flashing (a double-blink “heartbeat” pattern), proceed to the next step.

NOTE: A slowly flashing green light indicates there is

a problem with the communications between TV and programmer. In this case, check for damaged cable, poor contacts, or other connection problems. If the status indicator is red, the programmer batteries are low.

If communications are good, the sign-on screen will be displayed on the TV screen as shown on the quick setup instructions. If the intention is to set the TV’s or programmer’s real-time clocks, and not the clone clock or TV clock time settings, then press a key to proceed to the main clone menu.

If a previously stored TV setup is in a particular clone memory, it may be changed if desired by overwriting it with a new setup. There is no need for a separated memory clear operation. Setups stored in programmer memory are nonvolatile and will be retained even after a battery change.

LEARN FROM TV

Select “Learn From TV” then press ON/OFF, POWER, or ENTER to begin learning process. Alternatively, use the TV front panel CHANNEL UP or CHANNEL DOWN keys to highlight choice. Press ON/OFF, POWER, or ENTER to activate. The next screen will allow a choice of four available memories to store this TV setup. Four different TV setups can be stored in the LT2002.

Using the On-screen menu, choose a memory or choose to return to the main selection menu. Now press ON/ OFF, POWER, or ENTER to activate your selection. The next screen allows one last opportunity to check the versions of TV and clone setups.

Press ON/OFF or POWER to activate the learning cycle, or press any other keys to return to the selection menu to make another choices.

Once a process has begun, the TV screen will display “LEARNING IN PROGRESS”. Please wait for the process to complete. When the TV screen displays “LEARNING COMPLETED”, press any key to end the learning process and return to the clone selection menu.

WRITE TO TV

Select “WRITE TO TV”, and then press ON/OFF, POWER, or ENTER to begin teaching process. Alternatively, use the TV front panel CHANNEL UP or DOWN keys to highlight th e ch oi ce and then press ON/OFF, POWER, or ENTER to activate. The next screen displays a choice of the four available memories that can be copied to the TV. Select the desired memory number, and press ON/ OFF, POWER, or ENTER to begin the teaching process. Alternatively, use the TV front panel CHANNEL UP or DOWN keys to highlight choice. Press ON/OFF, POWER, or ENTER to begin.

SR25-3828VD0171B 1-5 CL - OVERVIEW

LT-2000 & 2002 CLONE PROGRAMMER

Using the on-screen menu, select a memory or return to the main selection m enu. Then press ON/OFF , POWER, or ENTER to activate the selection.

The next screen allows for one last opportunity to check the versions of TV and clone setups. Press ON/OFF or POWER to activate the teaching cycle, or any other key to return to the selection menu to make other choices.

Once a process has begun, the TV screen will display the “TEACHING IN PROGRESS” message. Please wait for the process to complete. When the TV screen displays “TEACHING COMPLETED”, press any key to end the teaching process and return to the clone selection menu.

SET CLONE CLOCK FROM TV

To set the real-time clock in the LT2002, select “SET CLONE FROM TV” and then press ON/OFF , POWER, or ENTER to copy current TV time to th e clone clock. Alternatively , use the TV front panel CHANNEL UP or CHANNEL DOWN keys to highligh t the choi ce. Then pr ess ON/OFF, POWER, or ENTER to activate.

This process will return the L T2002 to the si gn-on screen to display the clone and TV clock settings. Press a key to go to the clone selection menu and perform other functions, or simply disconnect if the time setting was the last task.

SET TV CLOCK FROM CLONE

To set the real time clock in the, select “SET TV CLOCK FROM CLONE” and then press ON/OFF, POWER, or ENTER to copy current LT2002 time to the TV clock. Alternatively, use the TV front panel CHANNEL UP or CHANNEL DOWN keys to highlight the choice. Then press ON/OFF, POWER, or ENTER to activate.

This process will return the L T2002 to the si gn-on screen to display the clone and TV clock settings. Press a key to go to the clone selection menu and perform other functions, or simply disconnect if the time setting was the last task.

DISPLAY TV SETUP

Select “ DISPLAY TV SETUP”, and then press ON/OFF, POWER, or ENTER to begin the teaching process. Alternatively, use the TV front panel CHANNEL UP or CHANNEL DOWN keys to highlight your choice. Then press ON/OFF , POWER, or ENTER.

The TV screen will display the items in the service menu setups. Use this function to quickly check the TV for

correct setup. Press any key to clear display and return to the clone selection menu.

DISPLAY CLONE SETUP

Select “DISPLAY CLONE SETUP” and then press ON/OFF, POWER, or ENTER to begin the teaching process. Alternatively, use the TV front panel CHANNEL UP or CHANNEL DOWN keys to highlight the choice, then press ON/OFF, POWER, or ENTER to begin.

The TV screen will display the memory selection menu. Select the desir ed memory number, and th en press ON/ OFF, POWER, or ENTER to display the contents of the selected memory. Alternatively, use the TV’s CHANNEL UP or CHANNEL DOWN keys to highlight the choice, then press ON/OFF, POWER, or ENTER to begin.

The TV screen will display items in the factory menu setup. Use this function to quickly check contents of a particular clone memory for correct setup. Press any key to clear the display and return to the clone selection menu.

OPERATION NOTES

Disconnect the L T2002 from th e TV set when the d esired task has been completed. Disconnecting the clone automatically switches it off. The real time clock continues to run when the main circuits are switched off.

After replacing exhausted batteries, or if the programmer behaves strangely after a static shock, use a paper clip or similar instrument inserted through the small hole marked “RESET” to activate the internal reset switch and restore normal operation. After reset, check the real-time clock setting. It may be necessary to reset the clock from a TV programmed to the correct time.

The specific microprocessor used in any TV set may be determined by activating the service menu. The microprocessor part number appears at the top of the screen with the service menu is activated. Processors before the 221-01006 has limited screen display capability . Th ey cannot display en tir e scr een s as sh own in the quick setup instructions accompanying the LT2002 programmer. Use the printed menu illustration s on the quick setup sheet as an aid in making programming choices.

SR25-3828VD0171B 1-6 CL - OVERVIEW

USER MENUS

SETUP MENU

Press the MENU key on the Installer’s remote repeatedly so that the SETUP MENU appears on the screen.

Select any other channels to be changed, and when finished, press ENTER to close the menu.

CH LABELS (CHANNEL LABELS)

Press the MENU key on the remote so that the SETUP MENU reappears. Use the Up Arrow to choose the CH LABELS option. Pressing either the Right/Left arrow re-

SETUP MENU

peatedly, pick the label you want from the list of available selections shown in the chart. Select other chan-

AUTO PROGRAM TO PROGRAM

ADD/DEL/BLNK

CH. LABELS

CLOCK SET

TIMER

CAPTIONS LANGUAGE

nels, and when you are finished, press ENTER to remove the menu.

You also have the option of creating 20 programmable labels having five digits each.

In order to edit a programmable channel label, it must be selected or already present in the current channel, pressing Volume Up/Down keys any digit can be selected and edited, with the Channel Up/Down keys the blinking character can be edited, pressing the Volume Up/ Down key again can select another character and also be

AUTO PROGRAM

edited. The channel label will be stored pressing Volume Up/Down keys until there is not any digit blinking.

Using the Up/Down arrows on the remote control, highlight AUTO PROGRAM on the screen. Then press a RIGHT/ LEFT Adjust arrow button to reach the AUTO PROGRAM screen. Using the Up/Down arrows, choose either CABLE TV or OFF-AIR ANTENNA. Press the RIGHT or LEFT ADJUST arrows to begin the Channel Search. The receiver searches for available channels and stores them in memory for user access.

ADD/DEL/BLNK

Press the Up Arrow repeatedly to highlight the ADD/ DEL/BLNK option. Use the remote to select a channel. ADD/DELETE allows tailoring of the channel scan to elimi-

AUTO PROGRAM

ADD/DEL/BLNK

CH. LABEL CH 23 | LAB 1

CLOCK SET

TIMER

CAPTIONS LANGUAGE

nate unwanted channels and add desired channels that were not stored during Auto Programming.

Use the number keypad and ENTER to add a deleted channel. Using the Right/Left arrows, pick whether a channel is Added, Deleted, or Blank.

When BLNK is selected, screen will be black while audio continues.

CHANNEL LABELS

A&E CMTV ESPN HSE NOS TBN VC ABC CNBC ESP2 HSN PBS TELE VCR ACTS CNN ET IC PLAY TLC VH-1 ADC COM EWTN INSP PTL TMC VISN AMC CSPN FAM JCN QVC TNN VJN BCC CSP2 FNN LIFE RDS TNT WB BET CTN FOX MAX REQ TRAV WGN BRAV CTV F&V ME/U SC TSN WTBS CA DIS FX MMT SCFI TVA WWOR CBC DISC GALA MTV SHOW TWC YTV CBN E! HBO NBC SIN UPN - - - CBS ENC HN NICK TBS USA None

Note: Selecting the none option means the channel will not have a label.

Selecting “----” label option means the channel will not be displayed on the channel/time/audio signal display.

SETUP MENU

PRESS VOL UP/DN TO SELECT CHAR

SR25-3828VD0171B 1-7 CL - MENUS

USER MENUS (continued)

CLOCK SET

Press MENU repeatedly to show the Setup menu. Use the Up/Down Arrows to highlight Clock Set. Set the current time; use the Number keypad to enter the hours, then minutes. For example, enter 06, then 30, to set 6:30 on the clock. Use the TIMER key to specify AM or PM. Press ENTER to strart the clock and return to TV viewing.

TIMER

On the optional installer’s remote, press MENU repeatedly until the Setup menu appears.

Press SELECT repeatedly to highlight the Timer option, press the right arrow.

SETUP MENU

AUTO PROGRAM

ADD/DEL/BLNK

CH. LABELS

CLOCK SET

TIMER TO SET TIMER

CAPTIONS LANGUAGE

·On time

Sets a time that the TV will turn itself On each day.

·Off Time

Sets a time that the TV will turn itself Off each day.

·On/Off Timer

Enables or disables the On/Off Timer functions. (The On/ Off Timer can be disabled but the setting will be retained).

Press ENTER to remove the menu and return to TV viewing.

Note: The clock must be set before for the Timers to

function.

The Off Timer can be used to turn the TV Off at the

present time.

No On Timer setting is required to use the Off Timer

feature.

CAPTIONS

Caption is a feature that allows the TV to receive closed captions and/or text options when made available by the broadcaster.

There are two operating modes for caption: quick/mute or standard: If quick mute is selected, pressing the cc key switches the current cc selection On/Off.

Use SELECT to choose an option. Use the number keypad and/or the Left/Right ADJ arrows to enter the times. Use the timer key to set AM/PM.

Your options are:

TIMER

ON TIME 9:00 AM

OFF TIME 7:00 PM

ON/OFF TIMER ON

CAPTIONS SETUP

OPER. MODE

SEL. TYPE

CC

CAPTION LOCK

PRESS SELECT TO CHOOSE PRESS ADJ

STANDARD

TO CHANGE

Use the Right/Left arrows to choose any of the following options: CAPTION 1, CAPTION 2, CAPTION 3, CAPTION 4, TEXT 1, TEXT 2, TEXT 3,TEXT 4 or OFF. Press ENTER to close the menu.

LANGUAGE

SR25-3828VD0171B 1-8 CL - MENUS

USER MENUS (continued)

In the Language menu, use the Right/Left arrow to choose one of the following options: English, Spanish, or French. Press ENTER to return to TV viewing.

AUDIO MENU

Press MENU repeatedly on the remote control until the AUDIO MENU appears.

AUDIO MENU

BASS

TREBLE

BALANCE

AUDIO MODE

FRONT SURR

SOUNDRITE

AUDIO PREF

Using the Up Arrow on the remote control, highlight the setting you want to change. Choose from:

• BASS: Adjusts the amount of Bass (low frequency level) in the sound. It has 15 steps (0 to 14)

• TREBLE: Adjusts the amount of Treble (High frequency Level) in the sound. It has 15 steps (0 to 14)

STEREO

OFF

CUSTOM

Note: Audio Menu is only available for 36 Series.

VIDEO MENU

Press MENU repeatedly until the Video Menu appears. Your options are:

• CONTRAST: Adjusts the contrast of the picture (difference between white and black). It has 64 steps (0 to 63).

• BRIGHTNESS: Adjusts the brightness of the picture (amount of white). It has 64 steps (0 to

63).

• COLOR: Adjusts the intensity of the color. It has 64 steps (0 to 63).

• TINT: Adjusts the tint of the color picture (balances between amounts of red and green in the TV picture). It has 64 steps (0 to 63).

• SHARPNESS: Raises or lowers the definition of the TV picture. The lower the level, the softer the images will appear (adjusts the sharpness of the picture). It has 64 steps (0 to 63).

• PICTURE PREF: Has two settings: PRESET and CUSTOM. In the Custom mode the brightness, contrast, color and tint can be set to a users particular liking. The preset settings brings up the factory setting for these controls. Preset is selected automatically after an AC power interruption.

• BALANCE: Adjusts the balance of sound between the left and right speakers. It has 29 steps (0 to

28).

• AUDIO MODE: Selects between Mono, Stereo and 2nd Audio/SAP. If 2nd Audio/SAP is selected, but the current channel does not support SAP either Stereo or Mono will be heard.

• FRONT SURR: The Front Surround gives spatial effect to the surround material.

CONTRAST

BRIGHTNESS

COLOR

TINT

SHARPNESS

PICTURE PREF PRESET

VIDEO MENU

• SOUNDRITE: Used to obtain a uniform volume level, particularly while changing channels.

• AUDIO PREF: This feature allows the customer to maintain two separate audio settings by selecting “custom” or “preset”. The Factory gets the “Preset” setting and th e customer sets “ custom”.

Press a RIGHT/LEFT ADJ arrow to adjust or change the op-

Use the Up/Down arrows on the remote control to highlight the setting you want to change. Press Right/ Left Arrow to adjust or change the option you have selected.

tion you have selected. Press ENTER to return to TV viewing, or press the Up Arrow to adjust another option.

SR25-3828VD0171B 1-9 CL - MENUS

USER MENUS (continued)

Press ENTER to return to TV viewing, or press the Up / Down Arrows to change other options in the video menu.

PARENTAL CONTROL

This optional feature can be used to prevent (block) unwanted programming from appearing on your TV.

PARENTAL CONTROL offers the user a wide variety of options and settings that restrict or block programming that can appear on the TV. PARENTAL CONTROL allows users the capability of defining which program ratings they consider acceptable to younger or more sensitive viewers.

PARENTAL CONTROL can be preset and turned on or off by a user who specifies the 4 number password. The number of hours blocked must also be specified.

General audience and children viewer blocks can both be programm ed into the TV’s memory. Viewer ratings are specified for both the TV industry and the motion picture industry; both rating systems can be used. The ratings are based mainly on children’s ages.

PARENTAL CONTROL

AUX SOURCES

MPAA RATING

AGE BLOCK

CONTENT BLK

SET HOURS

SET PASSWORD

LOCK ON OFF

OVERVIEW

To en sure complete coverag e for all TV program s (movies and regular TV shows), choose ratings from the Motion Picture Association of America (MPAA) Rating System chart and the TV Parental Guidelines Rating System chart (both shown in next page). Use the AGE BLOCK option for General Audiences and for Children. You can also add additional restrictions from the CONTENT BLOCK menu.

Things to Consider before Setting Up Parental Control: Determine which ratings you consider acceptable for viewing. (For example, if you choose TV-PG, all of the more restrictive ratings will be blocked automatically: the viewer will not be able to see TV-PG, TV-14, or TV-MA rated programming.)

Select whether auxiliary video sources will be blocked

TO BLOCK

in the AUX SOURCES block option. (Blocks signals from VCRs, DVD players, etc. connected to the TV Audio/ Video input jacks). You could also leave AUX SOURCES unblocked, and then choose allowable ratings.

In the CONTENT BLK option, you can block program Content based on individual parameters such as Strong Dialog, Bad Language, Sex Scenes, Violence Scenes, or Fantasy Violence Scenes.

You can set PARENTAL CONTROL to be active in the SET HOURS option for up to 12 hours. Use the number keys on the remote to select a secret password in the SET PASSWORD option.

Don’t forget the password, as it is the only way you can access the PARENTAL CONTROL menu and change ratin g selections or turn PARENTAL CONTROL off.

If you do not want PARENTAL CONTROL to be active all the time, you can turn it on or off with the LOCK ON/ OFF option.

Notes:

You can set different PARENTAL CONTROL viewing re-

strictions for general audiences and for children - both can be active at the same time.

Simply specifying one content block such as Sex Scenes,

will not automatically block another type of content in the programs from appearing.



Even if you choose to leave the AUX INPUTS unblocked,

the ratings you specify will automatically restrict the programming that appears from the video sources.



You cannot disable PARENTAL CONTROL by disconnecting

the TV from power. Block hours will automatically reset to the original block time setting specified if power is disconnected.

To reset the password, use the installer’s remote

control to deactivate the V-Chip in the Installer’s menu (#21). Exit out of the Installer’s Menu after deactivating the Parental Control. Then enter back in and reactivate the V-Chip.

With the PARENTAL CONTROL menu on-screen, use the Up Arrow to choose an option, such as CONTENT BLOCK. Use the Left/Right arrow to show the CONTENT BLOCK menu, to adjust or set the rating for an option.

To block sex scenes, for example, use the “TV-PG and above” setting. To block dialog, use LEFT/RIGHT ADJ arrows to select among UNBLOCKED, TV-PG and above, or TV-14. (See the Ratings Charts for rating meanings.)

After you have selected and adjusted the PARENTAL CONTROL menu options to your preferences:

- Set the number of hours Parental Control will be on.

- Set a 4 number password.

- Set the Lock On/Off option to either on or off.

SR25-3828VD0171B 1-10 CL - MENUS

USER MENUS (continued)

ON-SCREEN DISPLAYS

CHANNEL PREVIEW

CHANNEL/TIME/AUDIO DISPLAY

NBC

Press ENTER. Shows currently selected channel or source, current time if the clock has been set, and incoming audio signal.

CH PREVIEW MENU

Press SURF. Displays list of the available TV Channels, Guest Parental Control menu (if active) and Video Channel access.

Press CHANNEL UP/DOWN to select a channel, and then ENTER to go to that channel. Pressing CC will activate

2

NONE

3

PBS

4

NONE

5

CBS

6

ABC

7

NONE

8

NONE

9

10

NONE

CH TO SELECT, ENTER TO QUIT

CC FOR PARENTAL CONTROL

the Parental Control menu.

MOTION PICTURE ASSOCIATION OF AMERICA (MPAA) RATING SYSTEM

G General Audiences Content not offensive to most viewers. PG Parental Guidance Content is such that parents may not want their children to view the program.

Suggested

PG-13 Parental Guidance Program is inappropriate for preteens, with a greater degree of offensive

Suggested material than a PG-rated program.

R Restricted viewing Not for children under age 17. Strong elements of sex and/or violence. NC-17 Restricted Viewing Not for children under age 17 under any circumstances. Strong sexual content. X Hard Core Films Same as NC-17 rating.

Note: Zenith Electronics Corporation is not liable for any program content that appears when using this rating system;

as always, user discretion is advised.

TV PARENTAL GUIDELINE RATING SYSTEM

G General Audiences Content not offensive to most viewers. TV-G General Audience Considered suitable for all audiences; children may watch unattended. TV-PG Parental Guidance Unsuitable for younger children, may contain: Suggestive Dialog, Bad Lan-

Suggested guage, Sex, and Violence Scenes.

TV-14 Parents Strongly Unsuitable for children under 14, may contain: Strong Dialog, Bad Language,

Cauti on e d Sex, and Violence Scenes.

TV-MA Mature Audience Only Adults only, may contain: Strong Dialog, Bad Language, Sex, and Violence Scenes.

CHILDREN’S CLASSIFICATIONS

TV-Y Children Considered suitable for all children under 7 years old. TV-Y7 Children 7 and over Considered suitable for children over 7, may contain Fantasy Violence Scenes.

SR25-3828VD0171B 1-11 CL - MENUS

USER MENUS (continued)

CAPTIONS DISPLAY

Pressing CC in Quick Mode shows the current Caption selection, or Caption Off:

CC

1

CAPTION IS ON

In the Standard Mode, it displays all the Captions and Text mode selections as below:

CAPTION 1 CAPTION 2 CAPTION 3 CAPTION 4

TEXT 1 TEXT 2 TEXT 3 TEXT 4

SOURCE MENU

Scrolling the menus using the Menu key can access the Source Menu.

SOURCE MENU

ANTENNA/ CABLE

CAMPORT

S-VIDEO

AUX VIDEO

PRESS TO CHANGE

PRESS ENTER OR < > KEYS TO ACTIVATE

Use the Up/Down Arrows to navigate among Source options and use Select, Enter or Right/Left Arrows to enter a desired source.

The Camport & S-Video sources are not displayed in the Source Menu when they are disabled from Installer Options 34-I or 37-I or the autosenses are enabled options 40-I or 43-I.

Note: Source Menu is not available in Series 39.

SR25-3828VD0171B 1-12 CL - MENUS

SECTION 2

MODEL SERIES 34/36/39 INSTALLERS MENU

INSTALLERS MENU ADJUSTMENTS

Note: There are two microcontrollers available for the

39 series: OIMCRM1039A and OIMCRM1039B.

To access the Installer's Menu, press and hold the MENU key until the User Menu display disappears, then press 9876, and then ENTER to access the Installer's Menu. Note that the "9876" sequence could be changed with the installers menu option number zero (0-I INSTALLER SEQ) to 4321, 1478 or 3698 respectively.

To access th e Factory Menu , press and h old the MENU k ey until the User Menu display disappears, then press 1937, and then ENTER.

The black bar near the top of the screen indicates the part number of the micro installed on the set, the next number to the right is the software version running and the last number is the Font Version Used in the TV set. The black square near the bottom of the screen indicates the Serial number of the TV Set (SN), then the User Programmable Number (UPN) and at the lowest part indicates the date the module went through the factory and the Test Equipment status (TE).

0IMCRMI039B 1.83 01

Microcontroller

part number

0-I

SN: 0321-43390001 UPN: 067-057-000-001

05/03/03 TE = 10110000

Program Revision

INSTALLER SEQ.

Font

Revision

INSTALLERS MENU OPTIONS 0-I INSTALLER SEQ: Range is 0-3. Determines the Se-

quence used to access Installers Menu.

Inst. Seq. Sequence

0 Me nu ( Until CH-Time appe a r s) , 9 , 8, 7, 6, Enter.

1 Me nu ( Until CH-Time appe a r s) , 4 , 3, 2, 1, Enter.

2 Me nu ( Until CH-Time appe a r s) , 1 , 4, 7, 8, Enter.

3 Me nu ( Until CH-Time appe a r s) , 3 , 6, 9, 8, Enter.

1-I POWER MANAGE (Power Management): Determines hours of no activity before automatic shutoff. The POWER MANAGE function is for saving energy. When set to 0, Power Manage is OFF. Settings range from 0 - 7, with 1 7 representing the hours that the TV will remain on, unless there has been activity from either the control panel or remote control.

2-I AC ON: Allows the TV to turn ON just by applying AC power. Pressing the ON button is not necessary. This is desirable when the TV is plugged into a cable box or a power outlet controlled by a wall switch. Use ADJUST to select 0 or 1, where 0 is the default is OFF, and 1 is ON.

Note: When set to 1 (ON), the TV does not respond to

ON/OFF commands from either the remote or the control panel, and the SLEEP TIMER is also nonfunctional.

3-I BAND/AFC: There are eight positions as shown below and is used to set the band of the tuning process:

0IMCRMI039 1.66 01

0IMCRMI039A 1.66 01

Program

Microcontroller

part number

0-I

SN: 0321-43390003

SN: 0321-43390003 UPN: 069-059-000-001

UPN: 069-059-000-001

06/05/03 TE = 10110000

Program Revision

Revision

INSTALLER SEQ.

Use the SELECT UP/DOWN keys to toggle through all of the adjustments. Use ADJUST to make a change to the selected item.

SR25-3828VD0171B 2-1 CL - INSTALLERS MENU

Font

Revision

0 is Broad c ast fix ed 4 is B ro ad cas t afc

1 is CA TV afc 5 is CA TV fixed

2 is HRC afc 6 is HRC fixed

3 is IC C a fc 7 is ICC fix e d

Channels are accessed faster when fixed modes are used. The AFC (search modes) should only be used when some channels are not on nominal frequencies. If some channels were not found by the "AUTO PROGRAM" process, select the appropriate AFC setting here and add the channels using the ADD/DEL option in the Setup Menu.

Note: The "BAND" is automatically set by "AUTO

PROGRAM".

MODEL SERIES 34/36/39 INSTALLERS MENU (continued)

4-I STRT CHANNEL: Determines the channel that is se-

lected automatically each time the TV is turned on. Range is 0-255. 0 is the Aux position and 255 is off. Use ADJUST to change the channel number. This feature is useful for an in-house information channel, since the TV would always tune the selected channel when the TV turns on. When inactive the TV retains the channel when the set was last used.

5-I CHAN LOCK: Defeats tuning operations. Changing channels with the Channel Up/Down or keypad numbers is impossible. This feature is ideal if a cable box (or similar) that must be always on the same channel or source is used with the TV set. Range is 0-1. 0 is off and 1 is on. In combination with the START CHANNEL, it can lock-on a particular channel.

Note: When channel lock is active AUTO PROGRAM and

CH. ADD/DEL in the SETUP MENU are not active.

6-I GHOST CH: Either with or without signal present, the channel number will stay on screen at all times, unless captions are on. The number moves slightly to prevent damage to the screen. Range is from 0 to 1. The default is "0" or OFF.

Note: When captions are on, the "ghost channel" is not

displayed.

7-I START VOLUME: This function allows the In staller to determine the initial volume level setting when the TV is turned ON. This feature is useful for an in-house information channel, since the TV would always select the same volume when it is turned on. The range of values are 0 63, 255. If 255 is set, the volume level is retained when the set was last used.

8-I MIN VOLUME: This function determines the adjustment of minimum volume level allowable with the keys VOLUME Up/Down. In this way, for example, someone cannot set the volume too low to h ear. The rang e is fr om 0 to 63. When this item is set to 0, the sound level can be adjusted down to zero. Change values with ADJUST keys. The factory default is 0. It may be best to set the same value on every TV.

Note: The minimum volume level cannot have a value

setting higher than in the MAX VOLUME level (described below).

9-I MAX VOLUME: This function determines the adjustment of maximum volume level allowable with the keys

VOLUME Up/Down. In this way, for example, someone cannot set the volume level high enough to disturb others. The range is from 0 to 63. When this item is set to 63, the user has full adjustment capability. Change values with ADJUST keys. The factory default is 63. It may be best to set the same value on every TV.

Note: The maximum volume level cannot have a value

setting lower than the MIN VOLUME level (described above).

10-I MUTE DISABLE: Adjust Disable sound mute key operation. Range is 0-1. Set to 1, sound cannot be muted. Set to 0, sound can be muted.

11-I KEY DEFEAT: Wh en set to 1 it preven ts th e end user from accessing screen menus with the front panel MENU, SELECT and adjust do not function. When set to cero, those keys are functional. The menus can always be accessed with Menu on the remote control

12-I IR BANKS EN: For direct access to a particular Channel Bank . When enabled installer can access a channel bank by inputting the IR code for the bank

13-I SCAN MODE: Range is 0-1. This setting allows to have two characteristics when using the channel Up/ Down keys to navigate through the favorite channel list.

Scan Mode Characteristics

0 TV, VCR3, VCR4, AUX 1 TV, VCR3, VCR4, AUX, ON/OFF

14-I STARTCH IN SM: When set to 1, installs TV on/off event bellow the start channel at turn on

15-I SLEEP TIMER: When set to 1, the SLEEP TIMER feature may be used (but no message is displayed prior to turn-off). When set to 0, the sleep timer is not available.

16-I EN. TIMER: Set to 1, timer function is available to user. Set to 0 to disable Timer functions. (Clock must be set in order to use Timers.)

17-I ALARM: Gives you the option of making the alarm function available to the user. Set to 1, alarm function is available to user . Set to 0 to disable the Alarm function. Note: Clock must be set in order to set the Alarm.

18-I NOT USED

19-I NOT USED

SR25-3828VD0171B 2-2 CL - INSTALLERS MENU

MODEL SERIES 34/36/39 INSTALLERS MENU (continued)

20-I FEATURE LEVEL: Default set to ZEN 1 for Zenith IR

remote cont r ol operation. Set O, P LBL for Zenith Private Label IR remote control operation. Warning: Do not set to "0" or remote will not control TV.

21-I V-CHIP: Set to 1 to activate V-Chip (Parental Control), have it available for the user to filter, control or restrict programming content. Set to 0 to turn V-Chip feature off, not available to user; no programming restrictions can be set.

22-I MAX BLK HRS: Set from 0 to 99 for the maximum VChip (Parental Control) block hours. Default is 12 blocking hours.

23-I CAPTION LOCK: Zero is off, 1 is on. Set to 1 to restore previous caption On/Off state after TV turns off. When set to 0, captions are always off, when TV is initially turned on.

24-I TEXT MODE: Turns text mode on or off in the users menu. Range is 0-1. Zero is off and one is on. In on mode, user can call up text mode. Set to 0 unless text is being used.

25-I FUNCTION PRE: (Function Menu Channel Preview) Range is 0-3. Zero is off and one is on. Set to 0 to suppress channel preview screen in the function menu with some pay per view systems.

0 = Channel Preview disabled in function menu, caption lock enabled.

1 = Channel Preview enabled in function menu, caption lock enabled.

2 = Channel Preview disabled in function menu, caption lock enabled.

3 = Channel Preview enabled in function menu, caption lock disabled.

Note: Item 25-I. is not used in Series 39.

26-I NOT USED

27-I NOT USED 28-I CH OVER RIDE: Zero is off and one is on. In on

mode , the TV works norm ally . This item is g enerally set to off so it can be controlled with entertainment unit. In off mode, Auto Program and Channel Add/Delete do not function. Changing to channels not added in the favorites list with the keypad numbers is impossible.

29-I OLD OCV: (On Command Video TM) Zero is off and one is on. Set to one for operation with "Spectramate" systems from On Command Corporation.

30-I ACK MASK: Ignores the acknowledge flag that is sent from the local servi ce pr ovid er. This is used with the "Spectramate" (SN: 0583358) cable box to mask the acknowledge in MPI communications.

M.P.I. Communication Parameter. Leave at default setting unless changed by Pay-Per-View provider.

31-I POLL RATE: Used to adjust the polling rate in the MPI communications. Range is 20-168. M.P.I. Communication Par ameter . Leave at d efault setting unless chang ed by Pay-Per-View provider.

32-I TIMING PULSE: Used to vary the standard width of the pulses in the MPI Communications.

Range is 186 - 227. M.P.I. Communication Parameter. Leave at default set-

ting unless changed by Pay-Per-View provider.

33-I NOT USED 34-I CAMPORT EN: Set to 1 to enable front Video

(Camport) input. Set to 0 to disable front Video input. Enables Camport Source. Range is 0-1. Zero is disabled and 1 is enabled.

35-I NOT USED.

36-I NOT USED 37-I REAR Y/C EN: Set to 1 to enable rear Y/C Video

input. Set to 0 to disable rear Y/C Video input.

38-I NOT USED.

39-I NOT USED 40-I AUTO CAMPORT: Set to 1 to automatically switch

to camport when equipment is connected to front audio/video input.

Set to 0 to disable front audio/video automatic source selection.

41-I NOT USED

42-I NOT USED 43-I AUTO REAR Y/C: Set to 1 to automatically switch

viewing source to Rear Y/C input when equipment is connected. Set to 0 to disable Rear Y/C automatic source selection.

44-I NOT USED

SR25-3828VD0171B 2-3 CL - INSTALLERS MENU

MODEL SERIES 34/36/39 INSTALLERS MENU (continued)

45-I NOT USED 46-I STRT AUX SRCE: Determines the Aux that is selected

automatically each time the TV goes to the aux channel. There are 3 possible values depending on the Enables switches. 0 is the Camport position and 255 is off (See the table). Use ADJUST to change the Auxiliary number.

0 Camport 255 Disabled

1 Rear Aux

2 Rear Y/C

47-I AUX STATUS: Set to 1 for MPI AUX source to be reported as a channel number 13X or 9X, if the "old OCV" flag is set to 1; Set to 0 to disable AUX identification change and so the answer is always channel 0.

48-I DIS. SETUP M.: Disable/Enable displaying Setup Menu. Zero is enable and 1 is disable menu.

49-I DIS. AUDIO M.: Disable/Enable displaying Audio Menu. Zero is enable and 1 is disable menu.

Note: Items 29-I, 30-I, 31-I, 32-I, 34-I, 37-I, 43-I, 46-I,

47-I & 49-I are NOT USED in Series 39.

50-I DIS. VIDEO M.: Disable/Enable displaying Video Menu. Zero is enable and 1 is disable menu.

51-I DIS. VCHIP M.: Disable/Enable displaying Parental Menu. Zero is enable and 1 is disable menu.

52-I DIS. SOURCE M.: Disable/Enable displaying Sources Menu. Zero is enable and 1 is disable menu.

53-I DIS. CH-TIME: Disable/Enable displaying CH-TIME. Zero is enable and 1 is disable CH-TIME.

54-I EN. SET. COL.: Disable/Enable use custom colors f or Setup Menu. Zero is disable and 1 is enable.

55-I FOR. SETUP M.: Select between (0 to7) to set foreground color for Setup Menu. See Table 1.

56-I BCK. SETUP M.: Select between (0 to7) to set the background color for Setup Menu. See Table 1.

57-I EN. AUD. COL.: Disable/Enable use custom colors for Audio Menu. Zero is disable and 1 is enable.

58-I FOR. AUDIO M.: Select between (0 to7) to set foreground color for Audio Menu. See Table 1.

60-I EN. VID. COL.: Disable/Enable use custom colors for Video Menu. Zero is disable and 1 is enable.

61-I FOR. VIDEO M.: Select between (0 to7) to set foreground color for Video Menu. See Table 1.

62-I BCK. VIDEO M.: Select between (0 to7) to set the background color for Video Menu. See Table 1 .

63-I EN. PTL. COL.: Disable/Enable use custom colors for Parental Menu. Zero is disable and 1 is enable.

64-I FOR. PTL. M.: Select between (0 to7) to set foreground color of Parental Menu. See Table 1.

65-I BCK. PTL. M.: Select between (0 to7) to set the background color of Parental Menu. See Table 1.

66-I EN. SRC. COL.: Disable/Enable use custom colors of Sources Menu. Zero is disable and 1 is enable.

67-I FOR. SRC. M.: Select between (0 to7) to set the foreground color of the Sources Menu. See Table 1.

68-I BCK. SRC. M.: Select between (0 to7) to set the background color of the Sources Menu. See Table 1.

69-I EN. CH-T COL.: Disable/Enable use custom colors for CH-TIME display. Zero is disable and 1 is enable.

Note: If foreground and background color are the same,

menu background is transparent.

70-I FOR. CH-T COL: Select between (0 to7) to set foreground CH-TIME display color. See Table 1.

71-I BCK. CH-T COL: Select between (0 to7) to set the background color for CH-TIME display. See Table 1.

0.- Black 4.- Blue

1.- Red 5.- Magenta

2.- Green 6.-Cyan

3.- Yellow 7.- White

Table 1

72-I NOT USED 73-I CH NOT AVBLE: When set to 1 and channel override

is set to 0, "NOT AVAILABLE" message is displayed when direct accessing a channel not in the favorite channel list. Range is 0-1. Zero is disable and 1 is enable.

59-I BCK. AUDIO M.: Select between (0 to7) to set the background color for Audio Menu. See Table 1.

SR25-3828VD0171B 2-4 CL - INSTALLERS MENU

MODEL SERIES 34/36/39 INSTALLERS MENU (continued)

74-I CH-TIME SIZE: When set to 1 and transparent back-

ground is selected for Channel-Time display, (foreground color = background color and custom color enabled) a large channel number is displayed instead of the normal Channel-Time display, however just the Ch number is displayed. Range is 0-1. Zero is disable and 1 is enable.

75-I NOT USED 76-I DEFEAT XDS: If active disables the XDS displaying,

although the decoding is still available for V-Chip. Range is 0-1. Zero is disable and 1 is enable.

Note: Items 52-I, 57-I, 58-I, 59-I, 66-I, 67-I & 68-I are

NOT USED in Series 39.

77-I NOT USED 78-I UPN MSB: User definable number, most significant

byte readable by MPI command. This number is displayed at the lower part of the Installers / Factory Menu. Range is 0-255.

79-I UPN MSB-1: User definable number, most significant byte-1 readable by MPI command. This number is displayed at the lower part of the Installers / Factory Menu. Range is 0-255.

84-I PERMANENT BLK: Enables the parental control permanent blocking time. Range is 0-1. Zero is disable and 1 is enable. When this feature is active the blocking time can be selected between: [permanent block, 1 hour,…, MAX BLK HRS (Item 22-1)].

85-I A. MUTE TIME: This Item contains the amount of time that the audio will be muted only when changing between auxiliary sources. Range is 0 to 254 and the default value is 35.

86-I V. MUTE TIME: This Item contains the amount of time that the video will be muted only when changing between auxiliary sources. Range is 0 to 254 and the default value is 40.

80-I UPN MSB-2: User definable number, most significant byte-2 readable by MPI command. This number is displayed at the lower part of the Installers / Factory Menu. Range is 0-255.

81-I UPN LSB: User definable number, least significant byte readable by MPI command. This number is displayed at the lower part of the Installers / Factory Menu. Range is 0-255.

82-I CHKSM ERROR: Enables the checksum validation when every MPI command is executed. Range is 0-1. Zero is disabled and 1 is enabled.

M.P.I. Communication Parameter. Leave at default setting unless changed by Pay-Per-View provider.

83-I HANDSHK TIME: Changes the hand shaking time of MPI communications in steps of 25 milliseconds. Range is 0 to 5. 0 is disable.

M.P.I. Communication Parameter. Leave at default setting unless changed by Pay-Per-View provider.

SR25-3828VD0171B 2-5 CL - INSTALLERS MENU

MODEL SERIES 34/36/39 INSTALLERS MENU (continued)

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CL Chassis Installers Menu Settings

ITEM VALUE RANGE DEFAULT VALDESCRIPTION

0-I. INSTALLER SEQ 0- 3 0 Leave default set to 0. 1-I. POWER MANAGE 0-7 0 Sets number of hours of no activit 2-I. AC ON 0-1 0 Set to 1 to enable auto turn on at 3-I. BAND 4-I. STRT CHANNEL 0-255 255 Channel at auto turn-on 5-I. CHAN LOCK 0-1 0 When set to 1, cannot tune from current channel. 6-I. GHOST CH, 0-1 0 Set to 1 to enable 7-I. STRT VOLUME 0-63,255 255 Volume level at TV turn-on 8-I. MIN VOLUME 0-63 0 Minimum volume settin 9-I. MAX VOLUME 0-63 63 Maximum volume settin 10-I. MUTE DISABLE 0-1 0 Set to 1 to disable mute function. 11-I. KEY DEFEAT 0-1 0 Set to 1 to disable Menu, Select, and Ad 12-I. IR BANKS EN. 0-1 0 Set to 1: enables to res 13-I. SCAN MODE 0-1 0 Channel scannin 14-I. STRT CH IN SM 0-1 0 Set to 1 t o 15-I. SLEEP TIMER 0-1 1 Set to 1 to enable Slee 16-I. EN. TIMER 0-1 1 Set to 1 to enable Timer. 17-I. ALARM 0-1 1 Set to 1 to enable Alarm. 18-I. NOT USED 19-I. NOT USED 20-I. FEATURE LEVEL 0-1 1 Zen 1 Leave default set to 1 21-I. V-CHIP 0-1 1 Set to 1 to enable V-Chi 22-I. MAX BLK HRS 0-99 12 Select number of Parental Control blockin 23-I. CAPTION LOCK 0-1 0 Set to 1 to retain Ca 24-I. TEXT MODE 0-1 1 Set to 1 to add Text o 25-I. FUNCTION PRE 0-3 0 Controls channel 26-I. NOT USED 27-I. NOT USED 28-I. CH. OVERRIDE 0-1 1 When set to 0, limits direct access to favorite channels. 29-I. OLD OCV 0-1 0 OCV should be set to 1. 30-I. ACK MASK 0-1 0 M. P. I. Communication 31-I. POLL RATE 20-169 94 M. P. I. Communication 32-I. TIMING PULSE 186-227 207 M. P. I. Communication 33-I. NOT USED 34-I. CAMPORT EN. 0-1 1 Set to 1 to enable the front AUX 35-I. NOT USED 36-I. NOT USED 37-I. REAR Y 38-I. NOT USED 39-I. NOT USED 40-I. AUTO CAMPORT 0-1 1 41-I. NOT USED 42-I. NOT USED 43-I. AUTO REAR Y 44-I. NOT USED 45-I. NOT USED 46-I. START AUX SRCE 0-2,255 255 47-I. AUX STATUS 0-1 0 Set to 1 for M. P. I., AUX source reported as Channel number instead of Channel 0. 48-I. DIS. SETUP M. 0-1 0 49-I. DIS. AUDIO M. 0-1 1 50-I. DIS. VIDEO M. 0-1 0

AFC 0-7 0 Tuning band, see detailed descriptions.

ut TV On/Off below start channel number.

C EN. 0-1 1 Set to 1 to enable the rear S-Video input.

Set to 1 to automatically switch to Camport.

C0-1 0

Set to 1 to automatically switch to rear S-Video input.

Set the starting AUX source.

Set to 1 to disable Setup menu. Set to 1 to disable Audio menu. Set to 1 to disable Video menu.

255 last viewed at turn off).

host channel display.

.

ond to IR codes to change Channel Bank directly.

modes with Ch. Up/Down.

Timer.

1 Zen 1).

.

tion setting at turn off.

tion to Closed Caption Menu.

review in Pay Per View function.

arameter. arameter. arameter.

before auto shutoff.

ower up.

set 255 to retain last volume level).

Keys on front panel.

hours.

Campot) input.

SR25-3828VD0171B 2-6 CL - INSTALLERS MENU

MODEL SERIES 34/36/39 INSTALLERS MENU (continued)

play prog

CL Chassis Installers Menu Settings

ITEM VALUE RANGE DEFAULT VALDESCRIPTION

51-I. DIS. V-CHIP M. 0-1 0 52-I. DIS. SOURCE M. 0-1 0 53-I. DIS. CH-TIME M. 0-1 0 54-I. EN. SET. COL. 0-1 0 55-I. FOR. SETUP M. 0-7 6 56-I. BCK SETUP M. 0-7 4 57-I. EN. AUDIO COL. 0-1 0 58-I. FOR. AUDIO M. 0-7 1 59-I. BCK AUDIO M. 0-7 7 60-I. EN. VIDE COL. 0-1 0 61-I. FOR. VIDEO M. 0-7 4 62-I. BCK VIDEO M. 0-7 7 63-I. EN. PTL. COL. 0-1 0 64-I. FOR. PTL. M. 0-7 6 65-I. BCK. PTL. M. 0-7 4 66-I. EN. SCR. COL. 0-1 0 67-I. FOR. SCR. M. 0-7 3 68-I. BCK SCR. M. 0-7 4 69-I. EN. CH-T COL. 0 -1 1 70-I. FOR. CH-T COL 0-7 1 71-I. BCK CH-T COL 0-7 1 72-I. NOT USED

73-I. CH NOT AVBLE 0-1 0

74-I. CH-TIME SIZE 0-1 0

75-I. NOT USED 76-I. DEFEAT XDS 0-1 0 When set to 1, XDS dis 77-I. NOT USED 78-I. UPN MSB 0-255 255 79-I. UPN MSB-1 0-255 255 80-I. UPN MSB-2 0-255 255 81-I. UPN LSB 0-255 255 82-I. CHKSM ERROR 0-1 1

83-I. HANDSHK TIME 0-5 0 Relaxes M. P. I. timing to be compatible with PC Windows controlled systems. 84-I. PERMANENT BLK 0-1 0 Removes block hour settings for Parental Control and makes blocks permanent. 85-I. A. MUTE TIME 0-254 50

86-I. V.MUTE TIME 0-254 50

Set to 1 to disable V-Chip (Parental Control) menu. Set to 1 to disable Source Menu. Set to 1 to disable Channel-Time display. Set to 1 to enable Custom Color for the Setup menu. Custom foreground color for the Setup menu. Custom background color for the Setup menu. Set to 1 to enable custom color for the Audio menu. Custom foreground color for the Audio menu. Custom background color for the Audio menu. Set to 1 to enable custom color for the Video menu. Custom foreground color for the Video menu. Custom background color for the Video menu. Set to 1 to enable custom color for the V-Chip (Parental Control) menu. Custom foreground color for the V-Chip (Parental Control) menu. Custom background color for the V-Chip (Parental Control) menu. Set to 1 to enable custom color for the Source menu. Custom foreground color for the Source menu. Custom background color for the Source menu. Set to 1 to enable custom co lor for the Channel Time display. Custom foreground color for the Channel Time display. Custom background color for the Channel Time display.

When set to 1 and channel override is 0, “NOT AVAILABLE” message is displayed when direct accessing a channel not in the channel list. When set to 1 and transparent background is selected for Channel-Time display, (foreground color = background color and custom color enabled) a large channel number is displayed instead of the normal Channel-Time display.

ram information will not appear.

User defined number, most significant byte. User definable, most significant byte-1. User definable, most significant byte-2. User definable, least significant byte. Enforces rigid M. P. I. checksum.

Controls muting audio delay time when switching between AUX sources. Controls muting video delay time when switching between AUX sources.

SR25-3828VD0171B 2-7 CL - INSTALLERS MENU

SECTION 2

CL MODEL SERIES 34 & 36 FACTORY MENU

FACTORY MENU DESCRIPTION FOR SERIES 34 & 36 0-F FACT MENU: Use SELECT UP and DOWN Keys to select

item 00, the Factory Mode. The Factory uses this item when the module is being tested. It has two positions: 0 and 1. In the field, this item should always be left off (Zero is off).

When the Factory Menu is on, the AC Power On feature is always enabled regardless of the setting of AC ON in the Installer’s Menu.

The TV set will automatically come on when AC is applied. Use the remote to reenter the Factory Menu to turn the Factory Menu off. The Factory Mode may also be turned off by setting the clock or runing the Auto Program feature in the customer Set Up menu.

0IMCRMI039A 1.83 01

Microcontroller

part number

01-F PRESET PX

Build Date

05/03/03 TE = 10110000

Program

Revision

Font

Revision

TE Status

6-F VIF VCO ADJ: (PIF Voltage Oscillator). Range is 0-

63. 7-F VIF VOUT GAIN: VIF video detector output level ad-

justment at pin 58. Range is 0-7, typical value is 2.

8-F AFT DEFEAT: AFT OUT On/Off; 0=AFT on, 1=DEFEAT. 9-F VIF DEFEAT: VIF AGC GAIN Normal/Minimum, Switch

0=AGC Function & 1=Defeat (Min Gain).

10-F VOL CLIPPING: Selects the volume clipping mode. 11-F PRE AUXINPUT: Prescale for auxiliary input signals. 12-F PRE AUDDEMOD: Prescale for the demodulated BTSC

signal.

13-F SPAT STREGHT: Spatial effect strength. 14-F SPAT MODE: Spatial effect Mode. 15-F SPAT GAIN: Spatial effect high Pass GAIN. 16-F AVC: Delay time for Automatic Volume Correction. 17-F RED CUTOFF: B&W tracking adjustment. Range is 0-

254. Typical value is 70.

1-F PRESET PX: Stores the video customer menu adjustments in the nonvolatile memory of the EAROM. Settings for Contrast, Brightness, Color, Tint and Sharpness are stored in this manner. 0 is custom and 1 is preset stored .

2-F PRESET AX: Stores customer Audio menu adjustments in the nonvolatile memory of the EAROM. Settings for Bass, Treble, Balance, Audio mode, Front Surr and SoundRite are stored in this m anner. 0 is custom and 1 is preset stored.

3-F VERT P0S: Moves On-Screen Displays vertically. The Range is from 0-30. This adjustment is generally set at

15. 4-F H0RZ POS: Moves On-Screen Displays horizontally.

Range is from 1-45. 5-F RF DELAY ADJ: (RF autom atic Gain Con tr ol) Ran g e is

from 0-127. 35 is a general setting. Tune in weakest available channel and adjust for a snow-free picture.

18-F GREEN CUTOFF: B&W tracking adjustment. Range is 0-254. Typical value is 70.

19-F BLUE CUTOFF: B&W tracking adjustment. Range is 0-254. Typical value is 70.

20-F RED DRIVE: B&W tracking adjustment. Range is 0-

127. Typical value is 70. 21-F BLUE DRIVE: B&W tracking adjustment. Range is 0-

127. Typical value is 70. 22-F RF S-BRIGHT: Sets adjustment range of customer

for brightness in RF Mode. Range is 0-63. A typical value is 31.

23-F AUX B-OFFSET: (Auxiliary Brightness Offset). This offset value is to increase and decrease brightness level on AUX Mode with relation to RF sub-brightness.

SR25-3828VD0171B 2-8 CL - INSTALLERS MENU

CL MODEL SERIES 34 & 36 FACTORY MENU

24-F MAX CONTRAST: See adjustment range of customer

control for contrast. Range is 0-63. Typical value is 63. 25-F TRAP 3.58: 0=Off & 1=On. Set 1 to normal TV opera-

tion. Set to 0 is Y/C is being used at chassis with a comb filter .

26-F TRAP 3.58F: Fine-tuning adjustment for notch 3.58 filter on RF mode. Range is 0-3. Set to 3.

27-F RF Y DL TIME: Luma signal delay time adjustment on RF mode. Range is 0-6. Set to 3.

28-F RF CHROMA BP: Chroma Band Pass Filter RF Mode. 0= BPF is on, 1=Take off. Typically set in 0.

29-F AUX Y DL TIME: Luma signal delay time adjustment on Aux Mode. Range is 0-6. Typically set to 3.

30-F AUX CHROMA BP: Chroma Band Pass Filter for Aux Mode. 0= BPF is On, 1=Take off. Typically set in 0.

31-F AUX SUBTINT: Hue adjustment on Aux Mode. Range is 0-15. Set to 8.

32-F C KILL LEVEL: Color killer sensitivity switch. Typical value is 0.

41-F AFC2 GAIN: Horizontal AFC2 Gain switch. The range is 0-1.

42-F HVCO ADJ: Horizontal free running frequency adjustment. Range 0-7, typically set at 4.

43-F H FREE: Forced horizontal free running mode, the range is 0-1, typically set to 0.

44-F V FREE: Forced vertical free running mode, the range is 0-1, typically set to 0.

45-F SLICE DOWN1: Sync det. slice level section. The range is 0-1 typically set to 0.

46-F SLICE DOWN2: Sync det. slice level switch. The range is 0-1 typically set to 0.

47-F A-SLICE DOWN: Sync det. slice level switch during video period. The range is 0-1 typically set to 0.

48-F FBP VTH L: Flyback pulse slice voltage. The range is 0-1, typically set to 0.

49-F HV BLK OFF: Horizontal and vertical blanking Off/ On RGB out switch. The range is 0-1, typically set at 0 = On blanking output.

33-F Y SW LPF: Luma switch output. 0=FLAT, 1=LPF (Fc=700 KHz).

34-F ACL ABCL: ABCL ON/OFF switch; 0=Off, 1=ABCL On. Typically set to 1.

35-F ABCL SENS: ABCL sensitivity low/ high switch. 0= low; 1= high. Typically set to 0.

36-F H SIZE: Horizontal size adjustment. The range is 0254 and the default is value is 50.

Note: This item is only available for 32” models.

37-F V SIZE: Vertical ramp amplitude adjustment. The range is 0-254, typically set to 32.

38-F H PHASE: Horizontal Phase adjustment. The range is 0-32 and the typical setting is at 9.

39-F V PHASE: Vertical Phase adjustment. The Range 0-7 is typically set to 1.

40-F AFC1 GAIN: Horizontal AFC1 Gain switch. The range is 0-1.

50-F V SYNC DET: Vertical sync det minimum width switch. Default 1, typically set at 1.

51-F 1 WINDOW: Vertical Sync det mode. Range is 0-1, typically set to 0.

52-F BGP FBP OFF: BGP output without FBP input. The range is 0-1 and the default setting is 0.

53-F RF SUBTINT: Hue adjustment on RF Mode. Range is 0-15, set to 7.

54-F S-V SUBTINT: Hue adjustment on S-Video Mode. Range 0-15. Typically set at 10.

55-F MAX COLOR: For limiting the color range at maximum. Range is 0-127. Typically set at 52.

56-F SUB COLOR: For limiting the color range at minimum. Range is 0-63. Typically set at 27.

57-F AIR AFT: Force to AFC in Air Band. Range is 0-1. Typical value is 0.

SR25-3828VD0171B 2-9 CL - INSTALLERS MENU

CL MODEL SERIES 34 & 36 FACTORY MENU

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00-F. FACT MENU0-10000000Factor 01-F. PRESET PX 0-1 1110011Used to store video ad 02-F. PRESET AX 0-1 1111111Used to store audio ad 03-F. VERT. POS 0-30 15 15 15 15 15 15 15 Moves On Screen dis 04-F. HORZ POS 0-45 24 20 20 20 20 20 20 Moves On S c reen display horizontall 05-F. RF DELAY ADJ0-12735353535353535Weak channel ad 06-F. IF VCO ADJ 0-63 33 33 33 33 33 33 33 PIF Vol ta 07-F. VIF VOUT GAIN0-72220022Video detector out 08-F. AFT DEFEAT0-10000000AFT Out On 09-F. VIF DEFEAT0-10000000VIF AGC Gain Normal 10-F. VOL CLIPPING0-150000000Selects the Volume Cli 11-F. PRE AUX_INPUT0-254 26 26 26 26 26 26 26 Pre scale for Auxiliar 12-F. PRE AUX_DEMO 13-F. SPAT STRENGTH0-25463636363636363S 14-F. SPAT MODE0-150000000S 15-F. SPAT GAIN0-152222222S 16-F. AVC 0-154444444Dela 17-F. RED CUTOFF0-127708070707070 70B 18-F. GREEN CUTOFF0-12770907070707070B 19-F. BLUE CUTOFF0-12770707070707070B 20-F. RED DRIVE 0-254 70 70 70 70 70 70 70 B/W tra ckin 21-F. BLUE DRIVE 0-2 54 70 70 70 70 70 70 70 B/W tra ckin 22-F. RF S-BRIGHT 0-63 31 31 31 31 31 31 31 Brightness for RF Mode 23-F. AUX B-OFFS ET 0-63 31 31 31 31 31 31 31 Auxiliar 24-F. MAX CONTRAS T 0-63 63 63 63 63 63 63 63 Set maximum customer control for contrast 25-F. TRAP 3.580-10110000Tra 26-F. TRAP 3.58F0-3211222 2Fine tunin 27-F. RF Y DLTIME0-63223333Luma dela 28-F. RF CHROMA BP0-11111111Band Pass filter for RF Mode 29-F. AUX Y DL TIME0-73223333Luma dela 30-F. AUX CHROM A B 31-F. AUX SUBTINT0-157997777Tint ad 32-F. C KILL LEVEL0-10000000Color killer level 33-F. Y SW LPF0-11111111Low Pass filter Luminance 34-F. ACL ABCL0-11111111Bri 35-F. ABCL SENS0-10000000ABCL sensitivit 36-F. H SIZ E 0-254 N/AN/A50N/AN/AN/AN/A Horiz on tal size adjustment 37-F. V SIZE 0-25432323232323232Vertical ram 38-F. H-PHASE0-329999999Horizontal Phase ad 39-F. V-PHASE0-71111111Vertical Phase ad 40-F. AFC1 GAIN0-1000000 0Horizontal AFC1 Gain switch 41-F. AFC2 GAIN0-1000000 0Horizontal AFC2 Gain switch 42-F. HVCO ADJ0-74444444Horizontal free runnin 43-F. H FREE 0-1000000 0Forced horizontal free runnin 44-F. V FREE 0-1000000 0Forced vertical free runnin 45-F. SLICE DOWN10-10000000S 46-F. SLICE DOWN20-10000000S 47-F. A-SLICE DOWN0-10000000S 48-F. FBP VTH L0-10000000Fl 49-F. HV BLK OFF0-10000000Horizontal and vertical blankin 50-F. V SYNC DET0-1111111 1Vertical s 51-F. 1 WINDOW0-10000000Vertical S 52-F. BGP FBP OFF0-10000000BGP out 53-F. RF SUBTINT0-15118 811111111 54-F. S-V SU BTIN T 0-1 5 10 11 11 7 7 7 7 55-F. MAX COLOR 0-127 50 52 55 56 56 56 56 56-F. SUB COLOR0-6318253018181818 57-F. AIR AFT0-10000000

H25F36DTH27F36DTH32F36DTH19F34DTH20F34DTH25F34DTH27F34D

0-254 24 24 24 24 24 24 24 Prescale for the demodulated BTSC signal

0-10110000Chroma Band Pass filter for Aux Mode

CL Chassis Series 34 & 36 Factor

Menu Settings

mode, refer to page 2-8

e Controlled Oscilla tor

Off SW

atial Effect Strength atial Effect Mode atial Effect High-Pas s Gain

time for automatic Volume correction W tra ckin W tra ckin W tra ckin

br ightnes s offset value

3.58 filter, 0=On 1=Off adjustments for Trap 3.58

time adjustments for RF Mode time adjustments for Aux M ode

ustment for A ux Mode

htness/Contrast limiter

amplitude adjustment

nc det. slice leve l section nc det. slice leve l switch nc det. slice level switch during vi deo period

back puls e slice volt age

nc det minimum width swi tch

nc de t mode

ut without FBP input Subt int adj ustme nt for RF Mode Subt int adj ustme nt for S-Video For limit color range at maximum For limit color range at minimum Force to AFC in Air Band

ustments ustments

ver ticall

ustment

ut level

Mi nimun switch

mode

Input s ignals

ustment

frequency adjustment

mode

Off/On RGB out switc

SR25-3828VD0171B 2-10 CL - INSTALLERS MENU

CL MODEL SERIES 39 FACTORY MENU

FACTORY MENU DESCRIPTION FOR 39 SERIES.

Note: There are two microcontrollers available for the

39 series: OIMCRM1039A and OIMCRM1039B.

00-F FACT MENU: Use SELECT UP and DOWN Keys to select item 00, the Factory Mode. The Factory uses this item when the module is being tested. It has two positions: 0 and 1. In the field, this item should always be left off (Zero is off).

When this item is off, only the first twenty-four items in the Installer’s Menu can be accessed. They appear one at a time near the middle left of the screen. When this item is set to 1, 91 or 92 (Healtview) menu items are available. In the Factory Menu, only the selected menu item is displayed, near the top of the screen.

0IMCRMI039A 1.66 01

Microcontroller

part number

01-F PRESET PX

Build Date

05/03/03 TE = 10110000

Program Revision

Font

Revision

TE St atus

When the Factory Menu is on, the AC Power-On feature is always enabled regardless of the setting of AC ON in the Installer’s Menu. The TV set will automatically come on when AC is applied.

Use the remote to reenter the Installer’s Menu to turn the Factory Menu off. Setting the clock, or running the Auto Program feature in the customer Set Up menu may also turn off the Factory Mode.

01-F PRESET PX: Stores the video customer menu adjustments in the nonvolatile memory of the EAROM. Selections are Custom and Preset-Store. Settings for Contrast, Brightn ess, Color and Tint are stored in this manner. 0 is custom and 1 is preset stored.

05-F VIF VCO ADJ: (PIF Voltage Oscillator). Range is 0-

63. 06-F VIF VOUT GAIN: VIF video detector output level

adjustment at pin 58. The range is 0-7, typical value is

2.

07-F AFT DEFEAT: AFT OUT On/Off; 0=AFT on, 1=DEFEAT. 08-F VIF DEFEAT: VIF AGC GAIN N ormal/Minimum, Switch

0=AGC Function & 1=Defeat (Min Gain). 09-F RED CUTOFF: B&W tracking adjustment. Range is 0-

254. Typical value is 70. 10-F GREEN CUTOFF: B&W tracking adjustment. Range is

0-254. Typical value is 70. 11-F BLUE CUTOFF: B&W tracking adjustment. Range is

0-254. Typical value is 70. 12-F RED DRIVE: B&W tracking adjustment. Range is 0-

127. Typical value is 70. 13-F BLUE DRIVE: B&W tracking adjustment. Range is 0-

127. Typical value is 70. 14-F RF S-BRIGHT: Sets adjustment range of customer

for brightness in RF Mode. Range is 0-63. A typical value is 31.

15-F AUX B-OFFSET: (Auxiliary Brightness Offset). This offset value is to increase and decrease brightness level on AUX Mode with relation to RF sub-brightness.

16-F MAX CONTRAST: See adjustment range of customer control for contrast. Range is 0-63. Typical value is 63.

17-F TRAP 3.58: 0=Off & 1=On. Set 1 to normal TV operation. Set to 0 is Y/C is being used at chassis with a comb filter .

02-F VERT P0S: Moves On-Screen Displays verti cally. The Range is from 0-30. This adjustment is generally set at

15. 03-F H0RZ POS: Moves On-Screen Displays horizontally.

Range is from 0-45. 04-F RF DELAY ADJ: (RF automatic Gain Control) Range

is from 0-127. 35 is a general setting. Tune in weakest available channel and adjust for a snow-free picture.

SR25-3828VD0171B 2-11 CL - FACTORY MENU

18-F TRAP 3.58F: Fine-tuning adjustment for notch 3.58

filter on RF mode. Range is 0-3. Set to 3. 19-F Y DL TIME RF: Luma signal delay time adjustment

on RF mode. Range is 0-6. Set to 3. 20-F CHROMA BP-RF: Chroma Band Pass Filter RF Mode.

0= BPF is on, 1=Take off. Typically set in 0.

CL MODEL SERIES 39 FACTORY MENU

21-F Y DL TIME AUX: Luma signal delay time adjustment

on Aux Mode. Range is 0-6. Typically set to 3. 22-F CHROMA BP-AUX: Chroma Band Pass Filter for Aux

Mode. 0= BPF is On, 1=Take off. Typically set in 0. 23-F AUX SUBTINT: Hue adjustment on Aux Mode. Range

is 0-15. Set to 8. 24-F C KILL LEVEL: Color killer sensitivity switch. Typi-

cal value is 0. 25-F Y SW LP: Luma switch output. 0=FLAT, 1=LPF

(Fc=700 KHz).

26-F ACL ABCL: ABCL ON/OFF switch; 0=Off; 1=ABCL On.

Typically set to 1. 27-F ABCL SNS: ABCL sensitivity low/ high switch.

0= low, 1= high. Typically set to 0. 28-F AFC1 GAIN: Horizontal AFC1 Gain switch. The range

is 0-1. 29-F AFC2 GAIN: Horizontal AFC2 Gain switch. The range

is 0-1. 30-F HVCO ADJ: Horizontal free running frequency ad-

justment. Range 0-7, typically set at 4. 31-F V SIZE: Vertical ramp amplitude adjustment. The

range is 0-254, typically set to 32.

38-F HV BLK OFF: Horizontal and vertical blanking Off/ On RGB out switch. The range is 0-1, typically set at 0 = On blanking output.

39-F V SYNC DET: Vertical sync det minimum width switch. Default 1, typically set at 1.

40-F 1 WINDOW: Vertical Sync det mode. Range is 0-1, typically set to 0.

41-F BGP FBP OFF: BGP output without FBP input. The range is 0-1 and the default setting is 0.

42-F AIR AFT: Force to AFC in Air Band. Range is 0/1. Typical value is 0.

43-F H PHASE: Horizontal Phase adjustment. The range is 0-32 and the typical setting is at 9.

44-F V PHASE: Vertical Phase adjustment. The Range 0-7 is typically set to 1.

45-F SUB COLOR: For limiting the color range at minimum. Range is 0-63. Typically set at 27.

46-F MAX COLOR: For limiting the color range at maximum. Range is 0-127. Typically set at 52.

47-F RF SUBTINT: Hue adjustment on RF Mode. Range is 0-15, set to 7.

32-F H FREE: Forced horizontal free running mode, the range is 0-1, typically set to 0.

33-F V FREE: Forced vertical free running mode, the range is 0-1, typically set to 0.

34-F SLICE DOWN1: Sync det. slice level section. The range is 0-1 typically set to 0.

35-F SLICE DOWN2: Sync det. slice level switch. The range is 0-1 typically set to 0.

36-F A-SLICE DOWN: Sync det. slice level switch during video period. The range is 0-1 typically set to 0.

37-F FBP VTH L: Flyback pulse slice voltage. The range is 0-1, typically set to 0.

SR25-3828VD0171B 2-12 CL - FACTORY MENU

CL MODEL SERIES 39 FACTORY MENU

y

j

play

y

g

p

/

g

p

j

y

p

y

p

j

p

ght/

y

g

p

g

y

g

y

p

j

g

j

y

CL Chassis Series 39 Factor

00-F. FACT MENU 0-1 0 0 Factor

ITEM RANGE

01-F. PRESET PX 0-1 1 1 Used to store video menu ad 02- F. VERT POS 0-30 15 15 Moves On Screen dis 03- F. HORZ P OS 0-45 20 20 Moves On Screen display horizontall 04- F. RF DELAY ADJ 0-127 35 35 Weak channel adjustment 05-F. VIF VCO ADJ 0-63 33 33 VIF Volta 06-F. VIF VIDEO OUT GAIN 0-7 2 2 Video Detector out 07-F . AFT DEFEAT 0-1 0 0 AFT Out On 08-F. VIF DEF EAT 0-1 0 0 VIF AGC normal 09-F. RED CUTOFF 0-254 70 70 B&W trackin 10-F. GREEN CUTOFF 0-254 70 70 B&W trackin 11-F. BLUE CUTOFF 0-254 70 70 B&W trackin 12-F. RED DRIVE 0-127 70 70 B&W trackin 13-F. BLUE DRIVE 0-127 70 70 B&W trackin 14- F. RF SU B BRT 0 -63 31 3 1 B ri 15-F. AUX BRT OFFSET 0-63 31 31 Auxiliar bri 16-F. MAX CONTRAST 0-63 63 63 Sets maximum customer control for contrast 17-F. TRAP 3.58 0-1 0 0 3.58 MHz Tra 18-F. TRAP 3.58 F 0-3 2 2 Fine ad 19-F. Y DL TIME RF 0-7 3 3 Luma dela 20-F. CHROMA BP RF 0-1 1 1 Band 21-F. Y DL TIME AUX 0-7 3 3 Luma dela 22-F. CHROMA BP-AUX 0-1 0 0 Band 23-F. AUX SUBTINT 0-15 13 13 Subtint Ad 24-F. CKILL LEVEL 0-1 0 0 Colo r killer level 25-F. YSW LPF 0-1 1 1 Low 26-F. ABCL 0-1 1 1 Bri 27-F. ABCL SNS 0-1 0 0 ABCL sensitivit 28-F. AFC1 GAIN 0-1 0 0 Horizontal AFC1 Gain switch 29-F. AFC2 GAIN 0-1 0 0 Horizontal AFC2 Gain switch 30-F. HVCO ADJ 0-7 4 4 Horizontal free runnin 31-F. V SIZE 0-254 32 32 Vertical ram 32-F. H FREE 0-1 0 0 Forced horizontal free runnin 33-F. V FREE 0-1 0 0 Forced vertical free runnin 34- F. SL I CE DOWN1 0- 1 0 0 S 35- F. SL I CE DOWN2 0- 1 0 0 S 36-F . A-SLICE DOWN 0-1 0 0 S 37-F. FBP VTH-L 0-1 0 0 Fl 38- F. HV BLK OFF 0-1 0 0 Horizontal and vertical blankin 39-F. V SYNC DET 0-1 1 1 Vertical s 40-F. I WINDOW 0-1 0 0 Vertical S 41-F. BGP FBP OFF 0-1 0 0 BGP out 42-F. AIR AFT 0-1 0 0 F orce to AF C in Air Band 43-F. H PHASE 0-32 9 9 Horizontal Phase ad 44-F. V PHASE 0-7 1 1 Vertical Phase ad 45-F. SUBCOLOR 0-63 23 23 For limit color ran 46-F. MAX COLOR 0-127 50 50 For limit color ran 47-F. RF SUBTINT 0-15 11 11 Subtint Ad

H25F39DT H27F39DT

Menu Settings

DESCRIPTION

mode - refer to page 2-11

ustments

verticall

e Controlled Oscillator

ut level

Off sw

minimum sw adjustment adjustment adjustment adjustment adjustment

htness for RF mode

htness offset value

; 0=On, 1=Off

ustment for Trap 3.58

time for RF Mode

ass filter for RF Mode

time for Aux Mode

ass filter for Aux Mode

for Aux Mode

ass filter for lumina nce

Contrast limiter

frequency adjustment

amplitude adjustment

mode

mode nc det. slice level section nc det. slice level switch nc det. slice level switch during video period

back pulse slice voltage

Off/On RGB out switch nc det minimum width sw itch nc det mode

ut without FBP input

ustment

e at minimum e at maximum

for RF Mode

SR25-3828VD0171B 2-13 CL - FACTORY MENU

SERVICING

GENERAL INFORMATION

Servicing the CL chassis is the same as with other Zenith single-board chassis. If the set is dead, first check the standby and switched voltages. If the switched voltages do not appear , check th e power “On” circuit. If the power supply is OK and the set will turn on, the Horizontal sweep circuit should be checked next. Is horizontal drive available from the video processor chip? If the sweep system does not start up, sweep-derived voltages will not be generated.

If the sweep and high-voltage circuits are OK and video or audio are missing, then the audio/video/tuner circuits should be checked. If the receiver is working but some feature is not working, check the Service Menu. Bring up the Service menu and check to be sure that all items are set correctly.

MODULE-LEVEL SERVICING

The CL Chassis is Module Level r epair only. Replacement modules are available on an exchange basis.

If the CRT or Video processor IC are replaced, Black/ White tracking must be reset. Refer to the Service Menus section of this book for Black/White tracking adjustments.

When troubleshooting video circuits, remember that all video travels through the Video/Audio switcher IC. A defect in either of these IC’s can result in no video.

WARNING!

DO NOT disconnect the Video output module from the CRT when troubleshooting 32” receivers. If the video output module is removed on these sets while power is ON, the CRT will arc and can be permanently damaged. Also, the technician is in danger of serious shock. There is a termination circuit (W5101) on the CRT module to prevent this from happening.

SERVICING THE POWER SUPPLY

Check the standby voltages first: +VM at CX3415 (usually 169.7 VDC when 120 VCA) B+ at CX3801

+12 VSB at CX3613 +14 at CX3610 +5 VSB at CX3841

Check the following: Keyboard input at IC6000 pins 7 and 8 IR input at IC6000 pin 15 Power On output at IC6000 pin 32 Check the switched voltages: +9 VSW DC at CX3811 +14 VAUD DC for the Audio Amp at 2X3510 +8 VSW DC CX3831

SWEEP DERIVED VOLTAGES

+28 volts DC at (+) CX2114 +35 volts DC at the junction of CX3253 and DX3252 +215 volts DC at the junction of CX3208 and RX3208 +33 volts DC at the junction of RX3216 and ZD6001

CRT FILAMENT

Check at pin 3 and 4 of connector CN2C5A. This should read voltages between 6.0 and 6.4 volts AC on a true RMS meter.

VIDEO PROCESSOR ICX2200

Check the following key operating signals and voltages: Luminance at ICX2200 pin 43 Chroma at ICX2200 pin 45 Horizontal drive at pin 32 Vertical drive at pin 24 R Out pin 19 G Out pin 20 B Out pin 21 Serial Clock, Serial Data pins 27 and 28 respectively VCC 9 volts pins 9, 26, 46 & 48 R in from micro (IC6000) at pin 15 G in from micro (IC6000) at pin 16 B in from micro (IC6000) at pin 17

Note: B+ 124 VDC for 32” & 27”, B+ 126 VDC for

25” and B+ 120 VDC for 19” & 20”.

SR25-3828VD0171B 3-1 CL - SERVICING

SERVICE ADJUSTMENTS (continued)

MICROPROCESSOR

Check the following: IR in on pin 15 +5 volts on pins 27 and 18 Serial Data, Serial Clock on pins 36 and 38 Reset at pin 30 Horiz. SYNC at pin 1, Vertical SYNC at pin 2 R Out at pin 52, G Out at pin 51 and B Out at pin 50

VERTICAL CIRCUIT

Check the following at ICX2100: Vertical drive at pin 4. Vertical out at pin 2. +28 VDC at pin 6.

HORIZONTAL CIRCUIT

Check the following: Horizontal drive to base of Q3201 predriver. Driver transformer output at base of QX3203. Shutdown voltage at RM6009.

SHUTDOWN CIRCUIT OPERATION

(Refer to figure below) The flyback pulse voltage from pin 6 of TX3204 (flyback

transformer) is peak detected (rectified) by the action of the diode DX3006 and capacitor CX3003. This is from a DC voltage appearing on CX3003 representative of the CRT anode voltage (HV) produced by TX3204. Precision resistors RX3013, RX3015, RX3016, and RX3022 divide this voltage down. This lower voltage appears on the input (QX3002 collector) of a comparator circuit formed by RX3008, ZDX3004, QX3002, RMX3009, CX3004, QX3001, RMX3017 and RMX3021. In the event the CRT anode voltage becomes excessive, the comparator output (QX3001 emitter) will go to high level, at approximately 5 volts. This signal (SHUTDOWN) is sent to pin 4 of IC6000 (microprocessor), and used to turn off the TV set.

CRT ANODE HIGH VOLTAGE MEASUREMENT PROCEDURE

Each CRT screen size has its own safe operating anode and shutdown voltage. Critical safety component (designated with and 'X' in the component designator) are designed to operate the CRT at a safe operating anode voltage and provide proper shutdown thresholds. If replacement of any of these components is deemed necessary, it is important to use original type Zenith

Flyback Pulse

RX3211

IN

From Pin 6

TX3204

SR25-3828VD0171B 3-2 CL - SERVICING

DX3006

CX3003

RX3013

RX3008

ZDX3004

RX3022

RX3015

RX3016

QX3002

RMX3009

CX3004

+5v

QX3001

RMX3021

SHUTDOWN

OUT

TO PIN 4 IC6000

SERVICE ADJUSTMENTS (continued)

components. After replacement is made, confirm proper anode voltage using the following procedure.

Measurement of the CRT anode voltage must be performed using a high impedance-high voltage meter, with no raster on the screen, and operating at normal horizontal frequency. 15.75 KHz. (NTSC signal).

After discharging the CRT, connect a high impedancehigh voltage meter to the CRT anode. Turn the television "on" and confirm a good signal is being displayed. Reduce Brightness and Contrast setting until the procedure is well extinguished.

Observe the anode voltage on the meter reading and compare with the table below for the proper CRT screen size. If the voltage reading is higher than the maximum, verify circuit component values and proper operation.

CRT anode Voltage

CRT Screen Size

19" 26 ± 1.0 32 20” 26 ± 1.0 32

24"/25” 28 ± 1.0 34

27” 28 ± 1.0 34 32” 30 ± 1.0 36

Nom inal A no de V o lt ag e

(KV)

Max. Shutdow n Vo lt age

(KV)

3 Wait until the Video Menu or display appears. 4 Connect a variable Resistor (1M ohm) in parallel

with RX3703, and decrease slowly the resistance value until shutdown occurs.

5 Measure high voltage shutdown.

COMPONENTS WITH ANY INFLUENCE IN HV INCREASE

CX3216 RX3015

CX3210 RX3013 CX3212 ZDX3004 CX3252 RX3704 CX3256 RX3703 RX3022 RX3705

Fly-Back Transform er

Deflection Yoke

HV SHUTDOWN PROCEDURE

1 After discharging the CRT, connect a high

impedance-high voltage meter to the CRT anode.

2 Access Video Menu and adjust the brightness

and contrast controls for minimum screen luminance (beam current to 0mA).

SR25-3828VD0171B 3-3 CL - SERVICING

SERVICE ADJUSTMENTS (continued)

IF SERVICING

VIDEO DETECTOR

If there is no viewable picture on screen, access the Service Menu and check default settings for the following items:

#5 RF ADJ should be at least 30. #6 VIF VCO ADJ set to 63. Tune in a good off-the-air signal. Place a high-

impedance voltmeter at pin 2 of ICM2200. Set VIF defeat to (#9) to “1”, reset VIF defeat (#9) to “0”. Adjust item VIF VCO (#6) to 2.5 volts DC.

AGC DELAY

With a strong noise-fr ee antenna sign al, adjust RF DELA Y ADJ (#5) to a higher setting until th e signal gets n oisier . Decrease the setting again for a noise-free picture.

Note: If the setting is too low (under 20) the

tuner input will overload. Under certain conditions, beats may also appear in the picture (Typical value is 35).

G2 ADJUSTMENT

Use the following procedure when resetting G2.

1. Set brightness and contrast in the Video menu to mid range.

2. Set color level minimum.

3. Connect the output of an NTSC generator to the antenna input on the receiver.

4. Select a color bar signal and turn color off. Adjust the G2 control so that the range of bar pattern starts from completely white (not overdriven) to black. Leave visible 6 of 8 bars.

5. Return color level control to its normal setting.

FOCUS ADJUSTMENT

1. Connect the output of an NTSC generator to the antenna input on the receiver.

2. Select white raster pattern.

3. Push menu key of remote control to observe the OSD.

4. Adjust focus potentiometer to obtain the best focus at letters of menu.

ADJUSTMENT OF RGB CUTOFF

Note: If the Main Module or the CRT has been

replaced, G2 must be readjusted before adjusting the RGB Cutoff.

1. Enter the Service menu to gain access to the cutoff adjustments. (Factory mode item 00 must be set to 1 to gain access to this adjustment).

2. Set R Gain (Red) and B Gain (Blue) registers in the Service menu to the default setting for the screen size as listed in the service menu. See table.

3. Set color level and contrast to minimum. Set tint to mid range.

34 & 36 Series register

Control: Red Gain 20 (12) 70 Blue Gain 21 (13) 70

4. Connect the output of an NTSC generator to the antenna input of the receiver. Set the generator to a pure white signal, chroma off.

5. Set Factory menu registers #17/(9), #18(10), and #19(11) to adjust cutoff controls for 34,36 & 39 series.

6. Carefully observe which color is predominant on the CRT: Red, Green or Blue. Do not change the value of cutoff control of this color.

7. Adjust the other two cutoff controls to obtain color balance on the screen.

8. Select the color bars pattern from the Video generator and turn the chroma off. Check that the TV set displays 3/4 of gray scale from white to black. If black level is too high, readjust register #22, RF Sub Brightness for Series 34 & 36. Readjust #14 RF Sub Brightness for Series 39. Do n ot move Aux B Offset resistor.

9. Return the color level control to preset.

10.Disable the factory menu (Factory Mode item 0 must be set to 0). Select “Preset” in the Video Menu under picture preference.

All series & sizes

SR25-3828VD0171B 3-4 CL - SERVICING

SERVICE ADJUSTMENTS (continued)

SWITCHING PROCESS

Video switching is done between the CV inputs and the Y/C inputs. There are three CV signals to consider:

CAMPORT VIDEO enters at pin 7 of IC2901. REAR VIDEO enters at pin 5 of IC2901. IF Video enters at TV pin 12 of IC2901.

These signals exit from VOUT1 (pin 11) to be processed and returned to the switch as Y/C signals (Y-COMB and IC2902).

The second part of the switching is between: Y/C COMB signals enter at pins 10 and 7 of IC2902 and

Y/C EXT signals entering at pins 12 & 5 of IC2902. The selected Y/C signals exit from pins 11 & 8 to be

sent to the video processor as main signals.

VIDEO PROCESSING & SWITCHING WITH Y/C INPUT

Close caption is achieved by taking a signal from the YSW-OUT pin (31) of the video processor.

SENSING AND PRIORITIES

CL-Series 34 & 39 models do not have a source menu. Software sensing the inputs based on their priorities does switching between sources.

The camport input always has first priority, it is sensed directly through the microprocessor. The S-Video input has the second level. The Y/C connector does the SVideo sensing. The third level corresponds to rear video and antenna signal (RF), they would be selected by remote control.

IF

Tuner

SAW Filter

To Video Output Board

ICM2200

M61250FP

63

PIFIN

64

2

SCL

26

SDA

27

ROUT

14

GOUT

15 16

BOUT

“CAMPORT” JK PK inputs

VRL

“REAR” JK PK inputs

V

R

C-IN Y-IN

YSW-OUT

FBLNK

ROSD GOSD BOSD

L

FSC 29

Main Board

58VIDEO OUT

38 41

31

24

25 26 27

Audio Trap

C-MAIN Y-MAIN

Y-Main for MICRO

Video Sense Line

Micro Processor

IC2400

COMB FILTER

TC90 A45P

BPF

3.58

TRAP

IC2902

8

11

5 7

10

12

9

5

8

7

IC2901

3.58

Y/C IN

Y

EXIT

C

EXIT

YC SENSE LINE

SR25-3828VD0171B 3-5 CL - SERVICING

SERVICE ADJUSTMENTS (continued)

y

Adj

PURITY & CONVERGENCE SETUP PROCEDURE

PRELIMINARY SETUP

1. Allow the receiver to warm up for 15 to 20 minutes.

2. Degauss the CRT.

3. Connect a crosshatch generator to the receiver and “rough in” the static (center) convergence. Follow the Convergence Procedure.

4. Adjust for best focus.

PURITY ADJUSTMENT

1. Purity tab positioning. Set the 2 pole purity tabs together in the 3 or 9 o’clock positions and the 4and 6-pole purity tabs together in the 12 or 6 o’clock positions.

2. Move yoke to the maximum forward funnel position.

3. Next, switch the crosshatch generator to a red field.

4. Pull the yoke toward the rear of the CRT neck, keeping it centered, until a red raster is displayed.

5. If the red raster is not displayed as a pure red field, adjust the 2-pole purity tabs until a pure field is obtained.

6. Check for proper yoke tilt setting.

CONVERGENCE ADJUSTMENT

1. Release locking assembly .

2. Connect crosshatch generator to the receiver and adjust static (center) convergence as follows:

a. Adjust the 4-pole static control by moving the

two tabs separately to converge the red and blue lines horizontally. Move the two tabs together around the neck of the CRT (in a 45° arc) from the top-dead-center position to converge the red and blue lines vertically.

b. After the 4-pole control has been adjusted to

superimpose the red and blue lines on top of one another. Use the 6-pole static adjustment to place the converged red and blue lines over the green line. Move the two tabs together around the neck of the CRT (in a 30° arc) from the top-dead-center position to move the lin es vertically. Adjusting th e two tabs separately will move the converged beam to the left or right. Using a crosshatch generator capable of producing individual fields, adjust the generator to produce a red field. Use the purity tabs to center a red stripe.

Wedges' Adhesive Tape (3)

Deflection Yoke

Purity & Convergence Magnet Assembly Unit

6 Pole

Purity Magnet

4 Pole

Yoke's Glass Cloth Tape

Rubber Wedges (3)

SR25-3828VD0171B 3-6 CL - SERVICING

CRT Ring Location Purit

ust Tabs Beam Movement

for Convergence

Ring

Pairs

6 Pole

Convergence

R&B over G

4 Pole

Convergence

R over B

Rotation direction of Both Tabs

Opposite

Same

Opposite

Same

Movement of Red and Blue Be ams

B B

OR

R R

OR

R

B

OR

R

B

OR

B

R

B

R

BR

SERVICE ADJUSTMENTS (continued)

VERTICAL-TILT WEDGE ADJUSTMENT

The vertical lines at 6 and 12 o’clock are converged by vertically tilting the yoke and inserting a wedge at the top of the yoke until it is firmly seated between the CRT glass and the horizontal coils.

HORIZONTAL-TILT WEDGE ADJUSTMENT

The vertical lines at 3 o’clock and 9 o’clock are converged by horizontally tilting the yoke and inserting a wedge.

Adjust first at 4 or 8 o’clock, whichever has the larger space, until the wedge is firmly seated between the CRT glass and yoke coils. Then, insert the 3rd wedge in the remaining horizontal tilt position until it is firmly seated between the CRT glass and yoke coils. Convergence at the 3 and 9 o’clock should be maintained during this operation.

When the 3 wedges are firmly installed and positioned for acceptable convergence, lock the wedges in place by applying a 2.5 inches long strip of tape across the tabs of each wedge firmly against the CRT glass. The CRT glass surface should be clean and free of dust and other foreign material.

IMPROVING CRT CORNER PURITY

CRTs that display corner purity problems even after following the service procedures can be modified with a picture correction kit (P/N 949-00050). The purity can be improved by placing a picture-correction magnet (included in the kit) on the CRT funnel. Refer to the following modification steps and illustration to place the magnet properly. Fully degauss the CRT before installing correction magnets.

MODIFICATION

1. Place the magnet on the CRT funnel as shown in the figure displayed below, in the quadrant exhibiting impurity.

2. Rotate the magnet in place to the position shown for best purity.

3. Place a piece of 1/2" by 2" long Fiberglass tape over the magnet to hold it in place.

4. Degauss the CRT once magnet is in place to insure that the magnet is not over the internal magnet shield.

UNUSUAL TILT CASE

There may be some instances where the picture tube and yoke will require vertical tilt in the opposite (up) direction to obtain convergence. In such cases, insert the vertical tilt wedge at the bottom (6 o’clock) position. Follow through on the horizontal tilt adjustment by using the 2 and 10 o’clock positions and secure each wedge with a piece of tape, as described above.

Clamp and Screw

6 Pole Magnets

2 Pole Magnets

4 Pole Magnets

Note: If the magnet is placed over the internal

magnet shield, any apparent purity correction will disappear after degaussing. Reposition the correction magnet off the internal shield and degauss again.

2" To 3"

MAGNET

SR25-3828VD0171B 3-7 CL - SERVICING

MODEL PARTS

PARTS

All CL models are module level repair only. Parts contact information is below:

Voice: 1-888-3-ZENITH Fax: 1-888-6-ZENITH Mail: ZENITH NATIONAL PARTS P O Box 240007 Huntsville, AL 35824-6407

Item number Part description Item number Part description

H19F34DT

4810V00739A Cabinet tray 4810V00739A Cabinet Tray 3091V00B81B Cabinet Front 3091V00B80A Cabinet Front 3809V00B08B Cabinet Rear (Back Cover Asse) 3809V00B07A Back Cover Asse (Cabinet Rear) 6140VC8003A Coil, Degausser 6140VC8003B Coil, Degaussing 6400VSNX01A Speaker, Oval, 6 X 13 cm 6400VSNX01A Speaker, Oval, 6 X 13 cm 3790V00712A Crystal Window 3790V00711A Crystal Window 3828VA0A30A Instr Book, Operation Guide 3828VA0A30A Instr Book, Operation Guide 5016V20002A Magnet Assembly, Static Convergence 5016V20003A Magnet Rubber (Magnet Assembly, Static Convergence) 6411VUH003A Power Cord Assembly Line Cord and Terminals Assembly 6411VUH003A Power Cord Assembly Line Cord and Terminals Assembly 6335V20A03A CRT Assembly with Deflection Yoke 6335V27003A CRT Assembly with Deflection Yoke 170-A01Q CPT Earth_Gnd Strap Assy, CRT 170-844G CPT Earth_Gnd Strap Assy, CRT 3141VSNC61A Keyboard Assy, 6 Key 3141VSNC61C Keyboard Assy, 6 Key 3141VMNP44A Module, Main 3141VMNP44B Module, Main 6631V25014G Connector & Cable Assembly, Speaker Interconnect 6631V25014G Connector & Cable Assembly, Speaker Interconnect 6710V00108A Space Command Transmitter (Remote Controller) 6710V00108A Space Command Transmitter (Remote Controller) 5016V20002A Convergence Helper 5016V20002A Magnet, Stick Ferrite (Convergence Helper)

H20F34DT

Item number Part description Item number Part description

4810V00739A Cabinet Tray 3091V00B80A Cabinet Front 3091V00485A Cabinet Front 3809V00B07A Back Cover Asse (Cabinet Rear) 3809V00334A Cabinet Rear (Back Cover Asse) 6140VC8003B Coil, Degaussing 6140VC8003A Coil, Degaussing 6400VSNX01A Speaker, Oval, 6 X 13 cm 6400VESU01A Speaker, Oval, 6 X 13 cm 3790V00711A Crystal Window 3790V00715A Crystal Window 3828VA0A30A Instr Book, Operation Guide 3828VA0A30A Instr Book, Operation Guide 5016V20003A Magnet Rubber (Magnet Assembly, Static Convergence) 5016V20002A Magnet Assembly, Static Convergence 6411VUH003A Power Cord Assembly Line Cord and Terminals Assembly 6411VUH003A Power Cord Assembly Line Cord and Terminals Assembly 6335V27003A CRT Assembly with Deflection Yoke 6335V20A03A CRT Assembly with Deflection Yoke 170-844G CPT Earth_Gnd Strap Assy, CRT 170-A01Q CPT Earth_Gnd Strap Assy, CRT 3141VSNC61C Keyboard Assy, 6 Key 3141VSNC61B Keyboard Assy, 6 Key 3141VMNP45A Module, Main 3141VMNP44A Module, Main 6631V25014G Connector & Cable Assembly, Speaker Interconnect 6631V25014G Connector & Cable Assembly, Speaker Interconnect 6710V00108A Remote Controller (Space Command Transmitter) 6710V00108A Space Command Transmitter (Remote Controller) 5016V20002A Magnet, Stick Ferrite (Convergence Helper) 5016V20002A Convergence Helper 6871VSMV33A PWB(PCB) Assembly, Sub Front Jack CL 25-32V

H25F34DT

H25F39DT

SR25-3828VD0171B 4-1 CL - MODEL PARTS

MODEL PARTS

Item number Part description Item number Part description

H27F34DT

4810V00739A Cabinet Tray 4810V00739A Cabinet Tray 3091V00B66A Cabinet Front 3091V00B66A Cabinet Front 3809V00332A Back Cover Asse (Cabinet Rear) 3809V00332A Back Cover Asse (Cabinet Rear) 6140VC8003C Coil, Degaussing 6140VC8003C Coil, Degaussing 6400VSNX01A Speaker, Oval, 6 X 13 cm 6401VC0134J Speaker, Oval, 6 X 13 cm 3790V00711A Crystal Window 3790V00711A Crystal Window 3828VA0A30A Instr Book, Operation Guide 3828VA0A30C Instr Book, Operation Guide 6411VUH003A Power Cord Assembly Line Cord and Terminals Assembly 6411VUH003A Power Cord Assembly Line Cord and Terminals Assembly 6335V27001A CPT Assembly with Deflection Yoke 6335V27001A CPT Assembly with Deflection Yoke 170-844J CPT Earth_Gnd Strap Assy, CRT 170-844J CPT Earth_Gnd Strap Assy, CRT 3141VSNC61C Keyboard Assy, 6 Key 3141VSNC61C Keyboard Assy, 6 Key 3141VMNP44C Module, Main 3141VMNP46B Module, Main 6631V25014G Connector & Cable Assembly, Speaker Interconnect 6631V25014G Connector & Cable Assembly, Speaker Interconnect 6710V00108A Remote Controller (Space Command Transmitter) 6710V00108A Remote Controller (Space Command Transmitter) 6871VSMV33A PWB(PCB) ASSEMBLY,SUB FRONT JACK CL 25-32V 6871VSMV33A PWB(PCB) ASSEMBLY,SUB FRONT JACK CL 25-32V

H27F39DT

Item number Part description Item number Part description

3091V00B66A Cabinet Front 4810V00739A Cabinet Tray 3809V00332A Back Cover Asse (Cabinet Rear) 3091V00B66D Cabinet Front 6140VC8003C Coil, Degaussing 3809V00332B Back Cover Asse (Cabinet Rear) 6400VSNX01A Speaker, Oval, 6 X 13 cm 6140VC8003C Coil, Degaussing 3790V00711A Crystal Window 6401VC0134J Speaker, Oval, 6 X 13 cm 3828VA0A30D Instr Book, Operation Guide 3790V00711A Crystal Window 6411VUH003A Power Cord Assembly Line Cord and Terminals Assembly 3828VA0A30C Instr Book, Operation Guide 6335V27001A CPT Assembly with Deflection Yoke 6411VUH003A Power Cord Assembly Line Cord and Terminals Assembly 170-844J CPT Earth_Gnd Strap Assy, CRT 6335V27001A CPT Assembly with Deflection Yoke 3141VSNC61C Keyboard Assy, 6 Key 170-844J CPT Earth_Gnd Strap Assy, CRT 3141VMNP45B Module, Main 3141VSNC61G Keyboard Assy, 6 Key 6631V25014G Connector & Cable Assembly, Speaker Interconnect 3141VMNP46B Module, Main 6710V00108A Remote Controller (Space Command Transmitter) 6631V25014G Connector & Cable Assembly, Speaker Interconnect 6871VSMV33A PWB(PCB) ASSEMBLY,SUB FRONT JACK CL 25-32V 6710V00108A Remote Controller (Space Command Transmitter)

6871VSMV33A PWB(PCB) ASSEMBLY,SUB FRONT JACK CL 25-32V

H27F36DT

H27F36S

Item number Part description Item number Part description

H25F36DT

4810V00739A Cabinet Tray 4810V00739A Cabinet Tray 3091V00B80A Cabinet Front 3091V00B56A Cabinet Front 3809V00B07A Back Cover Asse (Cabinet Rear) 3809V00B09A Back Cover Asse (Cabinet Rear) 6140VC8003B Coil, Degaussing 6140VC2008A Coil, Degaussing 6400VSNX01A Speaker, Oval, 6 X 13 cm 6400VSNX01A Speaker, Oval, 6 X 13 cm 3790V00711A Crystal Window 3790V00711A Crystal Window 3828VA0A30C Instr Book, Operation Guide 3828VA0A30C Instr Book, Operation Guide 6411VUH003A Power Cord Assembly Line Cord and Terminals Assembly 6411VUH003A Power Cord Assembly Line Cord and Terminals Assembly 6335V27003A CPT Assembly with Deflection Yoke 6335V32012A CPT Assembly with Deflection Yoke 170-844G CPT Earth_Gnd Strap Assy, CRT 170-797Y CPT Earth_Gnd Strap Assy, CRT 3141VSNC61C Keyboard Assy, 6 Key 3141VSNC61C Keyboard Assy, 6 Key 3141VMNP46A Modu le, Main 3141VMNP46C Module, Main 6631V25014G Connector & Cable Assembly, Speaker Interconnect 6631V25014G Connector & Cable Assembly, Speaker Interconnect 6710V00108A Remote Controller (Space Command Transmitter) 6710V00108A Remote Controller (Space Command Transmitter) 5016V20002A Magnet, Stick Ferrite (Convergence Helper) 5016V20002A Magnet, Stick Ferrite (Convergence Helper) 6871VSMV33A PWB(PCB) ASSEMBLY,SUB FRONT JACK CL 25-32V 6871VSMV33A PWB(PCB) ASSEMBLY,SUB FRONT JACK CL 25-32V

H32F36DT

SR25-3828VD0171B 4-2 CL - MODEL PARTS

MODEL PARTS

I tem number Part descripti on

H24F36DT

4810V00739A Bracket, Jack Pack 3091V00B80A Cabinet Front

3809V00B07A Back Cover Asse ( Cabinet Rear) 6140VC8003B Coil, Degaussing

5016V20002A Magnetic, Stick Ferrite ( Convergence Helper) 3790V00711A Crystal Window

3828VA0A30P I nstr Book, Operation Guide 6411VUH003A Power Cord Assembly Line Cord and Termi nals Assembly

6335V24002A CPT Assembly with Deflection Yoke 170-844G CPT Earth_Gnd Strap Assy, CRT

3141VSNC61C Keyboard Assy, 6 Key 3141VMNP46P Module, Main

6631V25014G Connector & Cable Assembly, Speaker I nterconnect 6710V00108A Remote Cont roller ( Space Command Transmi tter)

6871VSMV33A PWB( PCB) ASSEMBLY,SUB FRONT JACK CL 25-32V

H24F39DT

I tem number Part descripti on 4810V00740A Bracket, Jack Pack 3091V00B80A Cabinet Front

3809V00B07A Back Cover Asse ( Cabinet Rear) 6140VC8003B Coil, Degaussing

5016V20002A Magnetic, Stick Ferrite ( Convergence Helper) 3790V00711A Crystal Window

3828VA0A30q I nstr Book, Operation Guide 6411VUH003A Power Cord Assembly Line Cord and Termi nals Assembly

6335V24002A CPT Assembly with Deflection Yoke 170-844G CPT Earth_Gnd Strap Assy, CRT

3141VSNC61C Keyboard Assy, 6 Key 3141VMNP45K Module, Main

6631V25014G Connector & Cable Assembly, Speaker I nterconnect 6710V00108A Remote Cont roller ( Space Command Transmi tter)

6871VSMV33A PWB( PCB) ASSEMBLY,SUB FRONT JACK CL 25-32V

I tem number Part descripti on

H24F34DT

4810V00739A Bracket, Jack Pack 3091V00B80A Cabinet Front

3809V00B07A Back Cover Asse ( Cabinet Rear) 6140VC8003B Coil, Degaussing

5016V20002A Magnetic, Stick Ferrite ( Convergence Helper) 3790V00711A Crystal Window

3828VA0A30N I nstr Book, Operation Guide 6411VUH003A Power Cord Assembly Line Cord and Termi nals Assembly

6335V24002A CPT Assembly with Deflection Yoke 170-844G CPT Earth_Gnd Strap Assy, CRT

3141VSNC61C Keyboard Assy, 6 Key 3141VMNP44H Module, Main

6631V25014G Connector & Cable Assembly, Speaker I nterconnect 6710V00108A Remote Cont roller ( Space Command Transmi tter)

6871VSMV33A PWB( PCB) ASSEMBLY,SUB FRONT JACK CL 25-32V

SR25-3828VD0171B 4-3 CL - MODEL PARTS

REF DESCRIPTION H19F34DT

1

FRONT CABINET (CABINET ASSEMBLY)

3091V00B81B

2

SPEAKER (SPEAKER FULL RANGE)

6400VSNX01A

3

KEYBOARD ASSEMBLY

3141VSNC 61A

4

IR LENS

3790V00712A

5

CPT & YOKE ASSEMBLY

6335V20A03A

6

REAR CABINET (BACK COVER ASSEMBLY)

3809V00B08B

7

MAIN MODULE (CHASSIS ASSEMBLY)

3141VMNP44A

8

REMOTE CONTROL

6710V00108A

Cl Commercial 19”Exploded View

5-1

CL EXPLODED VIEWSR25 - 3828VD0171B

1

2

4

7

3

5

6

8

CH PREVIEW

TIMER

ALARM

MTUE

L

HFSB

K

O P

WER

V

O

L

U

M

E

H

A EC N

NL

C

0

9

8

7

6

5

4

3

2

ENTER

1

i

a

c

p o

t n

o

v

l

o

vl

c h

w

e r

p o

CH PREVIEW

TIMER

ALARM

T

E M

U

B H

S F

L K

P

O

W

E

R

VL

U

M

O E

L

N

E

C

H

A

C

0

9

8

7

6

5

4

3

2

ENTER

1

REF DESCRIPTION H20F34DT

1

FRONT CABINET (CABINET ASSEMBLY)

3091V00485A

2

SPEAKER (SPEAKER FULL RANGE)

6400VESU01A

3

KEYBOARD ASSEMBLY

3141VSNC 61B

4

IR LENS

3790V00715A

5

CPT & YOKE ASSEMBLY

6335V20A03A

6

REAR CABINET (BACK COVER ASSEMBLY)

3809V00334A

7

MAIN MODULE (CHASSIS ASSEMBLY)

3141VMNP44A

8

REMOTE CONTROL

6710V00108A

Cl Commercial 20”Exploded View

5-2

CL EXPLODED VIEWSR25 - 3828VD0171B

1

2

4

7

3

5

6

8

3

4

2

1

5

6

7

8

CH PREVIE W

TIMER

ALARM

T

E M

U

L

H F

S

B

K

R P

O

W

E

V

O

L

M U

E

L

C

H

A

N

E

N

C

0

9

8

7

6

5

4

3

2

ENTER

1

8

Cl Commercial 24”Exploded View

5-3

CL EXPLODED VIEWSR25 - 3828VD0171B

REF DESCRIPTION H24F34DT H24F36DT H24F39DT

1

FRONT CABINET (CABINET ASSEMBLY)

3091V00B80A 3091V00B 80A 3091V00B80A

2

SP EAK ER (SP EAK ER F U LL R ANGE)

120-C77G 120-C77G 120-C77G

3

K EYBOAR D ASSEMBLY

3141VSNC61C 3141VSNC61C 3141VSNC61C

4

WINDOW

3790V00711A 3790V00711A 3790V00711A

5

CP T & YOK E ASSEMBLY

6335V24002A 6335V24002A 6335V24002A

6

R EAR CABINET (BACK COV ER ASSEMBLY)

3809V00B07A 3809V00B07A 3809V00B07A

7

MAIN MODU LE (CH ASSIS ASSEMBLY)

3141VMNP44H 3141VMNP46P 3141VMNP45K

8

REMOTE CONTROL

6710V00108A 6710V00108A 6710V00108A

3

4

2

1

5

6

7

8

CH PREVIEW

TIMER

ALARM

TE MU

L

H F

S

B

K

R P

O

W

E

V

OL

MU

E

L

C

HA

N

E

N

C

0

9

8

7

6

5

4

3

2

ENTER

1

Cl Commercial 25”Exploded View

5-4

CL EXPLODED VIEW

8

REF DESCRIPTION H25F34DT H25F36DT H25F39DT

1

FRONT CABINET (CABINET ASSEMBLY)

3091V00B80A 3091V00B 80A 3091V00B80A

2

SPEAKER (SPEAKER FULL RANGE)

6400VSNX01A 6400VSNX 01A 6400VSNX 01A

3

KEYBOARD ASSEMBLY

3141VSNC 61C 3141VSNC61C 3141VSNC61C

4

IR LENS

3790V00711A 3790V00711A 3790V00711A

5

CPT & YOKE ASSEMBLY

6335V27003A 6335V27003A 6335V27003A

6

REAR CABINET (BACK COVER ASSEMBLY)

3809V00B07A 3809V00B 07A 3809V00B07A

7

MAIN MODULE (CHASSIS ASSEMBLY)

3141VMNP44B 3141VMNP46A 3141VMNP45A

8

REMOTE CONTROL

6710V00108A 6710V00108A 6710V00108A

SR25 - 3828VD0171B

7

3

4

2

1

6

5

CH PREVIEW

TIMER

ALARM

T U E M

H

F

LS

B

K

OE PW

R

V

O

L

E

U

M

H

A

LCN

N

E

C

0

9

8

7

6

5

4

3

2

ENTER

1

Cl Commercial 27”Exploded View

5-5

CL EXPLODED VIEW

8

SR25 - 3828VD0171B

REF DESCRIPTION H27F34DT H27F36DT H27F36S H27F39DT

1

FRONT CABINET (CABINET ASSEMBLY)

3091V00B66A 3091V00B66A 3091V00B66D 3091V00B66A

2

SPEAKER (SPEAKER FULL RANGE)

6400VSNX01A 6401VC0134J 6401VC0134J 6400VSNX01A

3

KEYBOARD ASSEMBLY

3141VSNC61C 3141VSNC61C 3141VSNC61G 3141VSNC61C

4

IR LENS (REMOTE CONTROLLER RECEIVER)

6712SCA227A 6712SCA227A 6712SCA227A 6712SCA227A

5

CPT & YOKE ASSEMBLY

6335V27001A 6335V27001A 6335V27001A 6335V27001A

6

REAR CABINET (BACK COVER ASSEMBLY)

3809V00332A 3809V00332A 3809V00332B 3809V00332A

7

MAIN MODULE (CHASSIS ASSEMBLY)

3141VMNP44C 3141VMNP46B 3141VMNP46B 3141VMNP45B

8

REMOTE CONTROL

6710V00108A 6710V00108A 6710V00108A 6710V00108A

1

2

3

4

5

6

7

8

CH PREVIEW

TIMER

ALARM

M

E U

T

HF S

K

L

B

OR P

W

E

V

M

O

LU

E

L C

H

A

N

C

0

9

8

7

6

5

4

3

2

ENTER

1

Cl Commercial 32”Exploded View

5-6

CL EXPLODED VIEW

REF DESCRIPTION H32F36DT

1

FRONT CABINET (CABINET ASSEMBLY)

3091V00B56A

2

SPEAKER (SPEAKER FULL RANGE)

6400VSNX01A

3

KEYBOARD ASSEMBLY

3141VSNC 61C

4

IR LENS

3790V00711A

5

CPT & YOKE ASSEMBLY

6335V32012A

6

REAR CABINET (BACK COVER ASSEMBLY)

3809V00B09A

7

MAIN MODULE (CHASSIS ASSEMBLY)

3141VMNP46C

8

REMOTE CONTROL

6710V00108A

SR25 - 3828VD0171B

DEG-CTRL

PWR-CTRL

+11LSP

+11 LSP

+VM

+12 VSB

+12VSB

+12 VSB

+12HDR

+12 HDR

+VM

+12 VSB

+VL

SW

+8V

+14VSB

+14 VSB

+VL

+12 VSB

+VL

+13VAUD

AUD

+13V

+14VAUD

AUD

+14V

VSB

+14V

SW

+8V

+9VSW

SW

+9V

+5VSW

SW

+5V

+8.7VSB

VSB

+8.7

+8VSW

+8V

SW

+5VSB

+5

VSB

+12 VSB

SW

+9V

VE

+5VTNR

TNR

+5V

+35V

B+

VE

LX3833

220µH

FH3400A 431-813A

CX3622

1000V

470pF

CX3620

1000V

470pF

FH3400B 431-813A

S F

LX3852

150-C02F

82µH

QX3900EB

C

0TR322809AA

KTC3228-0

CX3400

2200pF

4KV

3

4 1

2

ICX3500

0ILI817000G

LTV817M

3

4 1

2

ICX3700

0ILI817000G

LTV817M

DX3611A

RU4AM

0DD410000AD

1

OUTPUT

CB

8

GND

INPUT

54

ON/OFF

6

7

FB

ICX3870

0ICTMNS001A

LM2675N-ADJ

BRX3400A

D2SBA60(STK)

0DD260000BB

BRX3400

D5SB60

0DD560000AA

KX3900

12V

DG12D1-O(M)

141-018E

1

2

3

CN4R8

366-043C

10K

QX3500

KRC102M

E

B

C

0TR102009AB

DX3612

D4L20U

0DD420000BB

DX3600

0DD100009AM

EU1ZV(1)

DX3601

0DD414809ED

1N4148

DX3602

0DD414809ED

1N4148

CX3611

160V

220µF

DX3900 0DD414809ED

1N4148

VRX3400

560V

164-003D

1

2

CN4T8

366-043B

THX3902

PROV

5

4

3

2

1

ICX3612

STR-F6456R

GND

VIN

P/L

4920V00085A

D

S

P/L

FB3600

BFD3565R2F

125-123A

FB3601

BFD3565R2F

125-123A

CX3601

1KV

270pF

CX3623

1000V

470pF

CX3621

1000V

470pF

CX3701

50V

220pF

CX3702

50V

0.047

CX3853

50V

0.01

CX3402

0.01

CX3613

16V

1000µF

DX3611

MUR860

4921V00N11V

0DRON00182A

408-002E

THX3410

KL15L2R5

163-048D

PROV

RX3853

1/2W

10K

RX3850

1%

1.6K

RX3400

1/2W

8.2M

RX3600

2W

56K

RX3603

680

RX3604

3.3K

RX3605

1.8K

RX3700

1.5K 1/2W

RX3701

1.5K

1/2W

RX3702

560K

RX3900

4.7K

RX3500

1.5K 1/2W

RX3501

2.2K

RX3852

1/2W

10

CX3404

1000V

1000pF

CX3405

1000V

1000pF

CX3415

250V

P/L

CX3602

50V

470pF

CX3854

50V

470pF

FX3610

125V3A

SLOW BLOW

Type MS3

MFD BY BELL FUSE

0FS3001A282

FX3613

125V3A

SLOW BLOW

Type MS3

MFD BY BELL FUSE

0FS3001A282

R

C

A

ICX3701 P/L P/L

LX3400

P/L

LX3851

47µH

RX3705 JUMPER

0.1%

RX3851

1%

15K

RX3410

5W

0.68

DX3613

D4L20U

0DD420000BB

DX3610

D4L20U

0DD420000BB

CX3604

470pF

50V

CX3605

100pF

50V

CX3610

35V

1000µF

CX3850

35V

1000µF

ZDX3710

MTZ5.1B

5.1V

1/2W

0DZ510009AB

QX3711

E

B

C

KSC2330-Y

0TR233009CA

S F

LX3612

150-C02F

82µH

S F

LX3820

150-C02F

82µH

QX3510

EBC

KTA1046YU

0TR104600AB

RX3511

10K RX3512

1/2W

2.2K

RX3610

1/2W

8.2K

10K

QX3505

E

B

C

KRC102M

0TR102009AB

RX3505

2.2K 1/2W

RX3810

2W

2.2

CX3822

16V

220µF

CX3811

16V

470µF

ICX3810

KIA78R09PI

GND

OUTIN

CTL

0IMCRKE002A 408-002F

4921V00163A

ZDX3821

MTZ5.1B

1/2W

5.1V

0DZ510009AB

ICX3830

KIA78R08PI

GND

OUT8VIN

CTL

0IMCRKE001A

RX3831

4.7K

LX3840

220µH

CX3831

16V

470µF

ICX3835

KIA78L05BP(AT)

IN OUT

GND GND

5V

150mA

0IKE780500P

ICX3840

KIA78L05BP(AT)

IN OUT

GND

GND5V150mA

0IKE780500P

RX3830

2W

2.2

CMX3815

16V

0.1

CMX3830

16V

0.1

CMX3835

16V

0.1

CX3836

10V

220µF

CX3841

10V

220µF

CMX3810

16V

0.1

RX3815

2W

2.2

R

C

A

ICX3710

0ICTMFA001A

KA431LZ

RX3611

1/2W

100K

FB3610

125-022K

1µH

ICX3816

KIA78L05BP(AT)

IN OUT

GND GND

5V

150mA

0IKE780500P

CX3816

10V

P/L

FB3611

BFD3565R2F

125-123A

RX3811

1/2W

2.2K

123

4

DMX3851

MBRD835LT4

0DRON00198A

CX3703

50V

0.1

CX3840

16V

470µF

CX3851

50V

0.1

CX3852

50V

0.1

FX3612

125V3A

SLOW BLOW

Type MS3

MFD BY BELL FUSE

0FS3001A282

CX3801

160V

100µF

SF

LX3611

150-C02F

82µH

FB3600A 125-022K PROV

FB3601A

125-022K

PROV

FB3611A

125-022K

PROV

FRX3815

1/2W

5.6

FRX3840

1/2W

5.6

SPGND 387-917F

ICX3815

KIA78R05PI

GND

OUTIN

CTL

5V

0IKE7805001

RX3606

10 1/2W

RX3704 162K

0.1%

RX3706 P/L 1%

RX3710

12K 1%

RX3711

22K

1%

RX3712 22K 1/2W

RX3713

5W

6.8K

RX3714

5W

6.8K

RX3715 68K 1/2W

RX3716

1.6K 1%

RX3717 120K

RX3812

1/2W

6.8K

RX3816

P/L

RX3820

2W

P/L

RX3832

10K

THX3901

6322V62206A

7

5

17

8

6

14

12

16

4

10

2

9

3

TX3601

6170VMCA042

ZDX3810

GDZJ18B

1/2W

18V

0DZ180009BE

ZDX3826

MTZ3.6B

1/2W

3.6V

0DZ360009DA

RX3601

2W

0.12

CX3612

35V

1000µF

CX3603

35V

220µF

CX3855

16V

470µF

CX3856

16V

470µF

RX3703

3.57K

0.1%

FB3613

6200JB8011R

0.273µH

FB3612

6200JB8011R

0.273µH

DX3800

RGP15J

0DR150009EA

DX3801

RGP15J

0DR150009EA

FX3400

Type 218 005

250V5A

SLOW BLOW

Mfd by Littelfuse

0FS5001B51D

CX3401

275VAC

0.47

CX3600

2000V

2200pF

TP3401

TP3400

TP3900

TP3901

COLDHOT

HOT COLD

COLDHOT

HOT COLD

COLD

HOT

Type 218 004

(25,27,32V)

(19,20V)

0FS4001B51D

(32V)

SANKEN STR-F6654R (19,20,25,27V)

4A 250V

D-CTL

WF2

WF1

1 2 3 4 5 6 7 8 9 10

G

D

C

B

E

F

A

Power Supply Circuit

Power Control

Deg-Ctl

D-CTL

This schematic refers to

CL Chassis models

H19F34DT H20F34DT H25F34DT H25F39DT H27F34DT H27F39DT H25F36DT H27F36DT H32F36DT

CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X” IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

ALL SYMBOLS WITH “M” IN THE DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT.

6-1

WF2

20.4 V

2.50 µS

WF1

416 V

5.00 µS

SR25-3828VD0171B

IR-DATA

MUTE

CTRL-Y/C

V-SYNC

SDA

Y-MICRO

SYNC

H-SYNC

AFC

CAMPORT-SENSE

SCL

HORZ-SIZE

Y/C-SENSE

DEG-CTRL

PWR-CTRL

B

R

FASTBLANK

IF

SHUTDOWN

CTRL-TV/AUX

CTRL-F/R

G

IR-DATA

AGC

CAMPORT-SENSE

IF

HORZ-SIZE

FLYBACK

B

SCL SDA

DEG-CTRL

PWR-CTRL

FASTBLANK

R G

SYNC

AFC

VERT-DRIVE

IR-DATA

AGC

SIGNAL-METER

+5V

SBF

+5V

SBF

+5V

SBF +5V SBF

+5VSBF

+5V

SBF

+5V

SBF

+5V

SBF

+5V SB

+5V SBF

+5V

SBF

+5V

SBF

LSP

+11

+33V

+5V

SBF

+5V

SBF

+5V

SBF

+5V

SBF

+5V

SBF

+5V TNR

SW

+8V

W6002

971-16

1

2

3

4

5

CN2K6

366-921D

CM6002

PROV

50V

C1240

220µF 16V

CM1244

PROV

50V

CM1245

PROV

50V

CM6080

PROV

50V

CM6001

50V

PROV

R6026

10K

R6011

100

R6013

100

R6007 470K

C1241

50V

1µF

C6006

50V

1µF

C6016

50V

2.2µF

C6035

PROV

C6098

50V

4.7µF

CRY6001

156-A01P

8MHz

D6001 0DD414809ED 1N4148

17

18

19 34

35

36

37

38

39

20

21

22

23

24

25

16

15

CVIN

28

29

VHOLD

30

31

32

33

26 27

POWER

OSC-IN

14

46

45

44

43

42

41

4013

12

11

10

9

8

7

52

MPI DAout

OSC-OUT

MPI DAin

Vcc

RVCO

51

IDENT

50

49

48

476

5

4

3

2

1

G

R

B

FB

HLF

VSS

XOUT

XIN

N.C.

RESET

SDA2

N.C.

CAMPORT SENSE

Y/C-SW

TV/AUX

FRONT/ REAR IN

MUTE

A/D_KEY1

AVcc

SDA1

SCL1

CNVSS

DEG-CTL

SPI-DIN

A/D_KEY2

AFC

SCL2

HSYNC

SIGN-MTR

N.C.

SP1 CLK

N.C.

Y/C-SENSE

REMOTE

HORZ-SIZE

N.C.

VSYNC

SHUTDWN

N.C.

SIGNAL DETECT

N.C.

SP1 DOUT

IC6000

P/L

8

7

6543

2

1

IC6001

AT24C08

0IAL240800A

IC6002

KIA7042P(AT)

GND

VCC OUT

0IKE704200B

GND

L1240 33µH

L6001

4.7µH

L6002

1.8µH

C6020

50V

4.7µF

L6003

1µH

L6004

1µH

L6005

1µH

R6015

1K

R6016

1K

R6027

2.2K

R6041

220

R6043

220

ZD1240

33V

1/2W

0DZ330009DF

MTZJ33B

ZD6002

9.1V

0DZ910009AJ

MTZJ9.1B

1/2W

R6039

220

5

4

3

2

1

6

CN4G9 366-921E

Q6005EB

C

KSC945C-Y

0TR945009AA

1

234

5

876

9

10

CN10VGA1

387-A10C

L6007

4.7µH

1

2

CN2P6

366-921A

C6013

10V

220µF

C1246

50V

4.7µF

CM6009

JUMPER

C1248

16V

0.01

CRY6002 PROV

D6002 PROV

GND

387-917F

SHIELD 4814V00347A

JM6033

470

RM6058

PROV

W1250 PROV

CM1242

50V

6800pF

CM1243

25V

0.01

CM1247

16V

0.1

CM6003

50V

470pF

CM6005

50V

220pF

CM6007

1000pF

50V

CM6010

50V

20pF

CM6011

50V

20pF

CM6012

25V

0.01

CM6014

50V

27pF

CM6015

50V

27pF

CM6017

16V

0.1

CM6018 1000pF

50V

CM6019

50V

180pF

CM6021

25V

0.01

CM6023

50V

47pF

CM6024

50V

47pF

CM6025

50V

47pF

CM6033

50V

47pF

CM6036

50V

1000pF

CM6037

50V

220pF

CM6038

50V

47pF

CM6040

50V

180pF

CM6041

47pF 50V

CM6050

47pF 50V

CM6049

47pF 50V

CM6048

47pF 50V

CM6047

47pF 50V

CM6046

50V

47pF

CM6043

25V

0.01

CM6042

25V

0.01

CM6045

50V

4700pF

CM6051

47pF

50V

CM6052

47pF

50V

CM6053

47pF 50V

CM6054

47pF

50V

CM6055 47pF 50V

CM6056

25V

0.01

CM6058

50V

47pF

CM6059

50V47pF

CM6060

50V

47pF

CM6061

50V

47pF

CM6079

50V

47pF

CM6090

50V47pF

CM6091

50V47pF

CM6092

50V47pF

CM6093

50V

47pF

CM6094

47pF 50V

CM6095

50V

47pF

CM6099

50V

47pF

CM6097

470pF 50V

RM6014

100K

RM6031

1K

RM6032

15K

RM6034

1M

RM6035

1M

RM6036

6.8K

RM6037

27K

RM6038

3.3K

RM6040

100

RM6042

220

RM6044

220

RM6045

4.7K

RM6046

4.7K

RM6047

4.7K

RM6048

4.7K

RM6049

220

RM6050

220

RM6051

100

RM6052

100

RM6053

1.5K

RM6059

4.7K

RM6060

4.7K

RM6061

1.6K

RM6069

470K

RM6070 470K

RM6090

1K

RM6080

1M

CM6008 560pF 50V

RM1240

470

RM1241 470

RM6002

1K

RM6006

1K

RM6009

1.5K

RM6017

0

RM6020

5.1K

RM6072

4.7K

RM6075

1K

RM6076

2.2K

3

10

11

5V

9

8

7

6

5

4

5V

NC

1

SCL

SDA

AS

NC

AGC

2

NC

IF

33V

TU1240

6700NFNS06E

LG-TAEM-H001P

TP6005

TP6012

TP6000

TP6001

TP6004

TP6011

TP6002

TP6003

TP6015

TP6014

TP6007

TP6006

TP6008

TP6009

TP6013

TP6010

D-CTL

H-SYNCH-SYNC

V-SYNCV-SYNC

WF20

WF16A WF16

WF21

WF19

WF22

WF18

WF17

1 2 3 4 5 6 7 8 9 10

G

D

C

B

E

F

A

H-SYNC

V-SYNC

V-Sync

H-Sync

Luma (Micro)

IF

Power Control

Deg-Ctl

D-CTL

This schematic refers to

CL Chassis models

H19F34DT H20F34DT H25F34DT H25F39DT H27F34DT H27F39DT H25F36DT H27F36DT H32F36DT

CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X” IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

ALL SYMBOLS WITH “M” IN THE DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT.

6-2

WF16

- V

50.0 mS

WF16A

- V

100 mS

WF17

- V

40.0 µS

WF18

- V

2.50 mS

WF19

- V

25.0 µS

WF20

- V

100 mS

WF21

- V

50.0 µS

WF22

1.47 V

25.0 µS

Main Micro Circuit

SR25-3828VD0171B

WF4

WF3

WF6

WF5

WF8

WF7

HORZ-DRIVE

SHUTDOWN

ABL

HORZ-SIZE

VERTICAL-ABL

VNFB

FLYBACK

VERT-DRIVE

+5V

SBF

+35V+35V

+35V

+12 HDR

+33V+33V

+28V

B+

+35V

+12 HDR

+215V

+5V

SBF

+28V

+25V

+28V

CX3251

50V

5.6µF

CX3254

500V

470pF

Q3250

E

B

C

0TR322809AA

KTC3228-0

Q3201 E

B

C

KSC945C-Y

0TR945009AA

C3250

4.7µF 50V

DX3204 0DD414809ED 1N4148

432

1

CN3Y3 366-043D

QX3203

P/L

E

B

C

P/L 4920V00010H

P/L

CX3007

500V

470pF

W3203 971-16

CX3215

500V

470pF

C2106

500V

1000pF

C2112

500V

470pF

C3203

50V

0.022

C3206

500V

2200pF

RX3210A

2W

P/L

CX2109

25V

2200µF

DX3250

0DD410000AC

RU4DS

Q3202

E

B

C

0TR322809AA KTC3228-0

CX3256

630V

0.018

C2104

50V

0.1 RX2114

82K

CX3218

160V

2.2µF

CX3205

25V

100µF

CX3253

47µF

50V

C3255

4.7µF 50V

R3261 PROV

RX2124

1/2W

0.47

RX2117

3.9K

W3202

P/L

S F

LX3201

560µH

150-717J

CX2108

100V

0.022

CX3212

2KV

P/L

CX3216

1600V

P/L

S F

LX3262

P/L

R2118

120K 1/2W

R2119 120K 1/2W

R3204

1/2W

560

R3205

1/2W

560

R3251

10K

R3252

10K

RX2105

1/2W

2.2

RX2115

15K

RX3211

1/2W

1

RX3214

2W

P/L

RX3215

1W

1K

RX3216

2W

P/L

1 6

3 4

TX3205

6170VC0008A

DX3203

0DR150009EA

RGP15J

DX3251 0DR150009EA RGP15J

DX2101

0DR150009EA

RGP15J

DX3252

0DR150009EA

RGP15J

C3204

500V

2200pF

R3258

1.8K

C3202

500V

470pF

RX3207

1/2W

P/L

RX3206 PROV

RX2106

1K

1/2W

RX2107

1K

1/2W

1

2

3

4

CN2C5A

P/L

ICX2100

LA7845

KTA1046YU

0TR104600AB

QX3251

E

B

C

0ISA784500AA

4920V00008D

QX3251 4921V00N11U

PROTECT

GND\VEE

UP

VCC

PUMPTHERMAL

54321 76

ICX2100

LA7845

KTA1046YU

0TR104600AB

QX3251

E B C

0ISA784500AA 4920V00008D

QX3251

4921V00N11U

R3253

2.7K 1/2W

CX3004

50V

10µF

QX3002

E

B

C KSA733C-Y

0TR733009AA

DX3006

0DR150009EA

RGP15J

QX3001

E

B

C

KSC945C-Y

0TR945009AA

CX3003

50V

10µF

RX3008

3.3K 1/2W

CX2105

50V

0.22 CX2115

50V

0.47

CX3211

2KV

PROV

RX3209

0.47 1W

CX3252

630V

0.012

R3203

2W

300

RX2125

1/2W

1K

R2123 10K

RX2113

3.9K

CX2110

50V

0.22

RX2110 15K

C3260

50V

PROV

CX3207

250V

PROV

CX3213

50V

P/L

CX3217

400V

P/L

LX3202

125-123A

PROV

R3255

1.2K

R3260

220

R3262

68K

RX2108 15K

RX2111 P/L 1/2W

RX2112 P/L 1/2W

RX3013

5.6K 1%

RX3015

1K 1%

RX3016

P/L 1%

RX3022

150K

DX3201

0DR150009EA

RGP15J

RX3256

4.3K

C3209

500V

470pF

RX3208

1/2W

2.7

RX3210B

1/2W

15

1

FOCUS

6

9

5

2

HV

3

G-2

F.BLK.GND

7

ABL

11

8

TX3204

P/L

ZDX3004

5.1V

1/2W

0DZ510009AB

MTZ5.1B

RM3201

1K

RM3202 47

RM3213

0

RM3250

10K

RM3257

220K

RMX3009 30K

RMX3017

4.7K

RMX3021

1K

CX3208

350V

10µF

CX2114

50V

330µF

CM3201

50V

47pF

CX2102

35V

220µF

CX3210

2KV

P/L

RX3212

PROV

DX2104

0DR150009EA

RGP15J

C2103

50V

4.7µF

W10

1K

TP3201

TP3202

TP3203

TP3204

TP3200

TP3000 TP3001

HVSD CIRCUIT

1 2 3 4 5 6 7 8 9 10

G

D

C

B

E

F

A

Deflection Circuit

Vertical

Horizontal

ABL

This schematic refers to

CL Chassis models

H19F34DT H20F34DT H25F34DT H25F39DT H27F34DT H27F39DT H25F36DT H27F36DT H32F36DT

CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X” IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

ALL SYMBOLS WITH “M” ON THE DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT.

6-3

WF3

1.47 V

20.0 µS

WF4

1.06 kV

20.0 µS

WF5

31.5 V

20.0 µS

WF6

4.52 V

5.0 µS

WF7

58.6 V

5.0 µS

WF8

26.1 V

5.0 µS

SR25-3828VD0171B

WF11

WF10

WF9

WF12

WF13

WF15

H-SYNC

V-SYNC

FSCFSC

SIFSIF

((((((

((

GG

RR

BB

Y-MICRO

VERTICAL-ABL

ABL

AFC

VERT-DRIVE

VNFB

FLYBACK

HORZ-DRIVE

SYNC

H-SYNC

V-SYNC

B

G

R

FASTBLANK

SDA

SCL

FSC

IF

SIF

AGC

SIGNAL-METER

EXT-AUD

COMP-AUD

TV

Y-MAIN

C-MAIN

GND

D

GND

A

GND

A

GND

B

GND

B

GNDBGND

B

GND

B

GND

C

GND

C

GND

C

GND

C

GND

C

GND

C

GND

C

GND

C

GNDDGND

D

GND

D

GND

B

GND

B

GND

E

GND

E

GND

E

GND

E

GND

A

GND

A

GNDEGND

E

GND

A

GNDAGND

A

+5V

SW

GND

A

GND

A

GND

C

GND

B

GND

A

GND

A

GND

A

GND

A

GND

A

GND

A

GND

A

GND

A

GND

A

GND

B

GND

B

GND

C

+5V

SW

+8V

SW

+8V

SW

+8V

GND

C

SW

+8V

+8VID

+8 VID

VID

+8

VID

+8

VID

+8

VID

+8

+5V

SW

SW1

+8V

SW1

+8V

SW1

+8V

SW1

+8V

SW1

+8V

SW

+8V

+8VABL

+8V ABL

ABL

+8V

ABL

+8V

SW

+8V

GND

A

+5V

SW

GNDAGND

A

GND

A

GND

A

GND

B

GNDBGND

B

GND

B

GND

B

GND

B

GND

B

GND

B

GNDEGND

E

GND

E

GND

E

+5V SW

GND

B

GND

B

SW

+8V

GNDEGND

E

+5V SW

+5V

TNR

GNDEGND

E

+8.7

VSB

SW

+8V

+5V

SW

ABL

+8V

SW

+8V

+8VSW1

+8V

SW1

L2205

10µH

L1206

10µH

L1205

10µH

L2202

10µH

L1207

10µH

L2201

10µH

L1201

0.82µH

Q2601

E

B

C

KSC945C-Y

0TR945009AA

CM1220

50V

1000pF

CM1224

50V

120pF

CM1221

16V

0.1

CM1223

25V

0.01

CM2205

50V

47pF

Q2603

E

B

C

KSC945C-Y

0TR945009AA

Q2604

E

B

C

KSC945C-Y

0TR945009AA

D2601

1N4148

0DD414809ED

D2602

1N4148

0DD414809ED

D2203

1N4148

0DD414809ED

Q1201

BF959

E

B

C

0TR959009AA

D2205

1N4148

0DD414809ED

Q1203

BF959

E

B

C

0TR959009AA

Q1202

E

B

C

KSC945C-Y

0TR945009AA

C2201

50V

1µF

C2608

16V

47µF

C2609

16V

100µF

C2610

16V

47µF

C2224

50V

0.47

C2227

16V

47µF

C1222

16V

47µF

C1207

50V

0.47

C2208

16V

47µF

C2604

16V

100µF

C1205

50V

0.22

C2228

50V1µF

C2230

16V

47µF

C1218

16V

100µF

C1212

16V

47µF

C1215

50V

1µF

C2220

16V

47µF

CM1210

50V

PROV

CM1226

50V

PROV

Q2202

E

B

C

KSA733C-Y

0TR733009AA

Q2203EB

C

KSA733C-Y

0TR733009AA

Q2602

E

B

C

KSA733C-Y

0TR733009AA

Q2201

E

B

C

KSA733C-Y

0TR733009AA

Q2204EB

C

KSA733C-Y

0TR733009AA

R2242

100 1/2W

R2210

220

R2214

220

R2218

220

R2203

10K

R1226

1K

R2221

1M

R2222

100

R2231

100

R2232 100

R1213

39K

R1215

220

L1208 10µH

R2226

JUMPER

C2218

16V

22µF

CRY2201

3.579MHz 156-A01B

L1202

100µH

L2602

JUMPER

U1201

M1962M

6200C000028

U1202

4.5MHz 6200C000027

TPS4.5MB9

U1204

4.5MHz

6200C000026

SFSH4.5MDB

U1203

4.5MHz

6200C000026

SFSH4.5MDB

VIF Vcc

32

SIF Vcc

31

RAMP OUT

V RAMP F/B

30

AFC FILTER

29

28

FM DIRECT OUT

R IN

SIF GND

VIF VCO FB

V RAMP CAP

VIF GND

DEF GND

LOGIC GND

45

FBP IN

H OUT

AFT OUT

DEF Vcc

27

26

SCL

44

VIF APC FILTER

40

VIF AGC FIL2

FAST BLK

252423

22

21

20

P-ON CTRL

SDA

FSC OUT150Y SW OUT

CLOCK CTRL

194318

17

1

34

2

35

3

VIF IN(2)

4

39

5

VIF AGC FIL1

VIF IN(1)

6 7 8

9 10 11 12 13

MCU 5.7V

REG OUT

MCU RESET

Cb IN

Cr IN

G IN

14 15 16

51

49

TV/Y IN

VREG Vcc

X-TAL 3.58

Hi Vcc

VIDEO/CHROMA Vcc

DRIVE Vcc

EXT/C IN

B IN

33

47

48

36

37

38

AUDIO BYPASS

EXT AUDIO IN

AUDIO OUT

B OUT

G OUT

R OUT

INTERCARRIER OUT

CHROMA APC FILTER

VIDEO/CHROMA GND

ACL/ABCL

DRIVE GND

42

525354

55

LIMITER IN

565758596061626364

HVCO FEED BACK

NC

8.7V REG OUT

INT MON

VIDEO OUT

V PULSE OUT

46

RF AGC OUT

41

AUDIO ATT FILTER

5.7V REG

OUT

INV FBP OUT

ICM2200

M61250FP

0ICTMMI044A

C2221

100V

0.01

L2203

10µH

C2233

16V

47µF

C2231

50V

1µF

C2204

50V

1µF

R2207

1K

CM2202

50V

PROV

C1216

16V

47µF

RM2223

4.7K

RM2224

4.7K RM2225

4.7K

RM2227

680

RM2228

680

RM2229

680

RM2607

4.7K

RM2609

4.7K

RM2611

4.7K

RM2612

4.7K

RM2614

470

RM2615 330

RM2618

4.7K

RM2619 470

RM1212 12K

RM1216

100

RM1218 470

RM1221

10K

RM1222

10K

RM1223 470

RM1230

470

RM2230

10K

RM2616

910

RM2234

100

RM2235

18K

RM2608

10K

RM2610 10K

RM2613

10K

RM2617 10K

R2620

10K

CM2612

50V

470pF

RM2621

PROV

R1220

3.3K

L2204

10µH

L2206

220µH

CM2240

25V

0.01

C2241

16V

47µF

L2207

10µH

CM2236

16V

0.1

C2237

16V

100µF

CM2238

50V

1000pF

D2201

1N4148

0DD414809ED

JM1200

PROV

JM1202

P/L

L1204

18µH

R1225 PROV

RM1227

PROV

RM2244

P/L

W1201 PROV

W2201

PROV

RM1217

22

RM2238

750K

RM2250 82K

RM2622

3.3K

RM2212

2.7K

RM2216

2.7K

RM2220

2.7K

CM1201

50V

1000pF

CM1202

50V

1000pF

CM1203

25V

0.01

CM1204

50V

1000pF

CM1206

25V

0.01

CM1208

50V

22pF

CM1209

25V

0.01

CM1211

25V

0.01

CM1213

16V

0.1

CM1214

50V

3900pF

CM1217

16V

0.1 CM1225

50V

47pF

CM2203

25V

0.01

CM2207

25V

0.01

CM2209

25V

0.01

CM2210

25V

0.01

CM2211

16V0.1CM2212

16V0.1 CM2213

16V0.1

CM2214

50V47pF

CM2216

16V

0.1

CM2217

25V

0.01

CM2222

50V

120pF

CM2223

50V

0.015

CM2225

16V

0.1

CM2226

25V

0.01

CM2232

25V

0.01

CM2234

16V0.1

CM2235

16V0.1

RM1201

100

RM1202

390

RM1203

1.5K

RM1204

100

RM1205 33

RM1206 22

RM1207 100

RM1208

100

RM1209 10K

RM1210

220

RM1211

1K

RM2201

39K

RM2202

6.8K

RM2204

15K

RM2206

4.7K

RM2208

1K

RM2209

2.2K

RM2211 470

RM2215 470

RM2219 470

RM2213

2.2K

RM2217

2.2K

RM2236 47

RM2237

10K

RM2239

1M

RM2241 270

RM2240 1K

RM2249

8.2K

RM2251

3.9K

R2243

1/2W

P/L

RM1219

P/L

RM1224 P/L

5

4

3

2

1

CN2C5B

P/L

Q2206

E

B

C

KSA733C-Y

0TR733009AA

RM2245

10K

C2219

50V

P/L

CM2602

25V

0.01

C2601

16V

47µF

L2601

10µH

RM2233

JUMPER

C2215

50V

1µF

TP2

RM2244R2243

47

100

19"/20"

STEREO ONLY

25"

JUMPER

27"/32"

516K

3.9K

3.3K

PROVISION

WF14

1 2 3 4 5 6 7 8 9 10

G

D

C

B

E

F

A

Video Processor Circuit

IF

Vertical

Horizontal

H-SYNCH-SYNC

V-SYNCV-SYNC

V-Sync

H-Sync

Subcarrier Signal

FSCFSC

Luma (Micro)

ABL

Chroma (C-IN)

Luma (Y-IN)

Composite Video IF

GG

RR

BB

Red

Blue

Green

SIFSIF

Sound IF

Composite Audio

((((((

((

This schematic refers to

CL Chassis models

H19F34DT H20F34DT H25F34DT H25F39DT H27F34DT H27F39DT H25F36DT H27F36DT H32F36DT

CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X” IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

ALL SYMBOLS WITH “M” ON THE DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT.

6-4

WF10

5.26 V

10.0 µS

WF9

V

10.0 µS

WF12

1.55 V

10.0 µS

WF13

40.8 V

10.0 µS

WF11

5.18 V

10.0 µS

WF14

1.044 V

10.0 µS

WF15

580mV

10.0 µS

SR25-3828VD0171B

SDA

SCL

AUDIO-AMP-RIGHT

AUDIO-AMP-LEFT

SW

+9V

+8.1VAUD

+8.1V AUD

AUD

+8.1V

AUD

+8.1V

AUD

+8.1V

SW

+9V

+5V TNR

C1420

50V

3.3µF

L1400 15µH

C2807

16V

100µF

C2800

50V

1µF

C2801

50V

1µF

17

18

19 34

35

36

37

38

39

20

21

22

23

24

25

16

15

NC

28

29

NC

30

31

32

33

26 27

ADR_WS

ADR_DA

14

46

45

44

43

42

41

4013

12

11

10

9

8

7

52

AGNDC

I2S_DA_IN1

TESTEN

NC

AHVSUP

51

SC1_IN_L

50

49

48

476

5

4

3

2

1

DACM_R

I2S_DA_OUT

VREF1

I2S_DA_IN2

I2S_WS

NC

XTAL_IN

SC2_IN_R

NC

I2S_CL

I2C_DA

VREFTOP

NC

ANA_IN-

RESETQ

SC1_OUT_L

XTAL_OUT

I2C_CL

AVSS

NC

SC2_IN_L

AVSUP

CAPL_M

ADR_CL

NC

DVSS

ADR_SEL

VREF2

D_CTR_I/O0TPNC

ANA_IN+

NC

D_CTR_I/O1

NC

AHVSS

DACM_L

DVSUP

MONO_IN

SC1_IN_R

SC1_OUT_R

STANDBYQ

IC1400

MSP-3425G

0IMCRMN013A

CRY1400

18.432MHz

156-A02M

W2800

P/L

CH-1

CH-2

12

11

10

9

8

7

6

5

4

3

2

1

IC2800

LA7222

0ISA722200A

L1402

15µH

L1403

15µH

CM1417

25V

0.01

CM1421

25V

0.01

CM1423

50V

470pF

CM1424

50V

1000pF

W2804

P/L

IC1401

KA7533ZTA

GND

VCCOUT

0IFA753307A

W2803

P/L

CM1425

25V

0.01

C1425

16V

100µF

C1408

16V

47µF

C1415

16V

100µF

C1416

16V

10µF

C1422

16V

10µF

C1403

10V

220µF

C1400

50V

3.3µF

Q1401

E

B

C

KSA733C-Y

0TR733009AA

Q1400

E

B

C

KSA733C-Y

0TR733009AA

R2800 PROV

R2801 PROV

R1401

100

R1402

100

R2812

2.2K

R2802

2.2K

R2803

2.2K

Q1402

E

B

C

KSC945C-Y

0TR945009AA

C1426

16V

47µF

R1408 10K

C1419

50V

0.47

C1418

50V

0.47

JM2801

P/L

CX3813

16V

220µF

FRX3813

1/2W

5.6

CM1406

50V

2200pF

CM1407

50V

2200pF

CM1401

25V

0.01

CM1402

25V

0.01

CM1404

50V

1000pF

CM1405

50V

470pF

CM1410

50V

2pF

CM1409

50V

2pF

CM1411

50V

56pF

CM1412

50V

56pF

CM1413

50V

1000pF

CM1414

50V

470pF

RM1400

10K

RM1403

3.9K

RM1404

3.9K

RM1405

220

RM1406

220

RM1407 10K

RM1409

1K

DX3813

RGP15J

0DR150009EA

OMIT

ADD

OMIT OMIT

OMIT

W2804

MTS

FRONT JACKS

NOMONO MONO

FRONT JACKS

ADD OMITJM2801

W2800

W2803

OMIT

ADD

A2RA2R

A2LA2L

A3LA3L

SIFSIF

A1RA1R

A1LA1L

A3RA3R

1 2 3 4 5 6 7 8 9 10

G

D

C

B

E

F

A

Audio Processor Circuit

CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X” IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

ALL SYMBOLS WITH “M” ON THE DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT.

6-5

SR25-3828VD0171B

A2R

A2L

A3R

A3L

SIF

Sound IF

Aux2-L

Aux2-R

Aux3-L

Aux3-R

Audio In L

Audio In R

A1R

A1L

Aux1-R

Aux1-L

This schematic refers to

CL Chassis models

H19F34DT H20F34DT H25F34DT H25F39DT H27F34DT H27F39DT H25F36DT H27F36DT H32F36DT

SR25-3828VD0171B

Y/C-SENSE

CAMPORT-SENSE

TV

AUX-LEFT-Y/C

AUX-RIGHT-VID

AUX-LEFT-VID

C-MAIN

Y-MAIN

CTRL-Y/C

CTRL-TV/AUX

CTRL-F/R

AUX-RIGHT-Y/C

MATRIX/SPEAKER-OUT

CV-COMB

LUMA-COMB

CHROMA-COMB

AUD-LEFT-FRONT

AUD-RIGHT-FRONT

SWF

+9V

+9VSWF

+9V SWF

SWF

+9V

SWF

+9V

SWF

+9V

SW

+9V

SW

+9V

L2471

P/L

L2900

10µH

C2802

50V

1µF

C2804

50V

1µF

CH-1

CH-2

12

11

10

9

8

7

6

5

4

3

2

1

IC2901

LA7222

0ISA722200A

CH-1

CH-2

12

11

10

9

8

7

6

5

4

3

2

1

IC2902

LA7222

0ISA722200A

C2805

50V

1µF

C2901

50V

10µF

C2903

50V

10µF

C2803

50V

1µF

C2474

50V

10µF

C2904

50V

10µF

C2900

16V

100µF

C2905

50V

10µF

Q2902

E

B

C

KSC945C-Y

0TR945009AA

Q2901

E

B

C

KSC945C-Y

0TR945009AA

C2902

50V

10µF

C2908

50V

PROV

C2909

50V

PROV

C2910

50V

PROV

ZD2903

MTZJ9.1B

1/2W

9.1V

0DZ910009AJ

ZD2901

MTZJ9.1B

1/2W

9.1V

0DZ910009AJ

ZD2902

MTZJ9.1B

1/2W

9.1V

0DZ910009AJ

CM2907 PROV 50V

CM2911

PROV

50V

R2808 PROV

R2810 PROV

R2804 PROV

R2806 PROV

R2912

22K

R2807

2.2K

R2805

2.2K

R2906 75

R2905

47

R2902 75

R2904 75

R2903

47

R2901

47

R2910

22K

R2909

22K

R2911

22K

RM2482 PROV

R2917 1K

R2916

1K

L2481 P/L

R2930

2.2K

R2926

1K

1

2

3

4

5

8

7

6

CN4B8

366-921G

R2907

100

R2908 75

ZD2904

MTZJ9.1B

1/2W

9.1V

0DZ910009AJ

7,

6

MATRIX OUT

2

Y/C IN

14

LEFT IN

RIGHT IN

24

10

8

4

12

11

5

16

13

C

9

19

Y

15

3

1

21

18

17

23

RIGHT IN

VIDEO IN

22

20

JP1

P/L

JM2471

P/L

JM2901

P/L

JM2902

P/L

JM2903

P/L

JM2904

P/L

ZD2800

PROV

R2811

6.8K

R2809

6.8K

CM2471

50V

100pF

CM2906

16V

0.1

RM2471

P/L

RM2472

0

RM2481

100

RM2918

100

RM2919

10K

RM2920 0

RM2921 1K

RM2922 1K

RM2923 0

RM2924

100

RM2925

10K

CM2482

50V

P/L

CM2483

25V

P/L

CM2472

50V

PROV

CM2473

P/L 50V

RM2473

4.7K

CM2481

50V

P/L

NO COMB

CM2472

WITH COMB

4.7K

33

4.7µH

180pF

RM2473

RM2471

Y/C MODELS ONLY

L2471

CM2473

270pF

OUT

JM2903

Y/C INPUT

JM2901

C2474

JM2471

INOUT

JM2902

OUT

NO Y/C INPUT

INOUT

IN

INOUT

IN

OUT

JM2904

A1RA1R

A1LA1L

M-OUTM-OUT

A3RA3R

A3LA3L

1 2 3 4 5 6 7 8 9 10

G

D

C

B

E

F

A

A/V Switch Circuit

Composite Video Switch

Chroma-Comb (C-IN)

Luma-Comb (Y-IN)

A1R

A1L

M-OUT

Aux1-R

Aux1-L

Matrix-Speaker Out

A3R

A3L

Aux3-L

Aux3-R

Composite Video IF

Luma Rear (Y-IN)

Chroma Rear (C-IN)

Luma (Y-IN)

Chroma (C-IN)

Composite Video “Comb-Filter”

Composite Video “Rear”

Composite Video “Camport”

This schematic refers to

CL Chassis models

H19F34DT H20F34DT H25F34DT H25F39DT H27F34DT H27F39DT H25F36DT H27F36DT H32F36DT

CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X” IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

ALL SYMBOLS WITH “M” ON THE DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT.

6-6

PROV

5

6

1

2

3

4

E

B

C

E

B

C

11

10

9

8

5

6

7

1

2

3

4

E

B

C

11

10

9

8

5

6

7

1

2

3

4

E

B

C

MPI_DATA_IN

IR_DATA

MPI_DATA_OUT

CLONESENSE_PTY_SELECT

RJ11_PIN4

GND

BUFFER_IR_DATA

MPI_DATA_IN_BUFFERED

+11V

MPI_DATA_OUT_BUFFERED

470K

+11V

220

1K

3.3K

22K

470

+11V

078-3481-01

SBF

+5V

SBF

+5V

16V

100uF

1M

SBF

+5V

121-1310A

4.7K

121-1310A

58-661

220

10K

50V

220pF

50V

220pF

121-1311A

50V

220pF

22K

SBF

+5V

58-661

10K

121-1310A

R4982

R4989M

R4984

R4987

W12VRJ11

R4994M

R4985M

R4996

MPI

C4946

R4983

Q4905

R4991

R4990

Q4904

6E2

R4992

R4995M

R4993

C4967

C4966

Q4903

C4965

R4986M

11E1

R4997

Q4906

1 2 3 4 5 6 7 8 9 10

G

D

C

B

E

F

A

CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X” IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

ALL SYMBOLS WITH “M” ON THE DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT.

MPI Card Circuit

6-7

This schematic refers to

CL Chassis models

H19F34DT H20F34DT H25F34DT H25F39DT H27F34DT H27F39DT H25F36DT H27F36DT H32F36DT

SR25-3828VD0171B

E

B

C

E

B

C

E

B

C

9

8

5

6

7

1

2

3

4

E

B

C

12

11

10

9

8

7

6

5

4

1

G2

3

9

8

7

6

5

4

1

G2

0

-0.4

0

3.69

4.0

126.7

3.65

4.0

128.5

128.2

4.0

3.6

AMP

RED

AMP

GREEN

AMP

BLUE

WIRE TO SWEEP

RED

FILAMENTOS

BLUE

G1

G2

GREEN

RED

GREEN

BLUE

2

150

1/2W

0.01

2KV

2

220PF

50V

1.2M

1/2W

0TR322900AA

2

220PF

50V

470pF

50V

215

VDC

8.2K

50V

0.1

1uH

2

500V

470pF

VDC

215

VDC

215

470

P/L

0TR322900AA

47

1

150K

1/2W

50V

470pF

WF

45

150K

1/2W

1K

1/2W

1K

1/2W

2

WF

44

2W

12K

2W

12K

2W

12K

SW

+9V

470pF

50V

150K

1/2W

P/L

WF

43

103-279-04A

3.0V

220K

1/2W

47

470

PROV

1K

2

0TR322900AA

2

1

150

1/2W

1

47

P/L

1K

220PF

50V

120uH

16V

220uF

150

1/2W

2

1K

1/2W

1uF

350V

1

P/L

1/2W

1K

1

P/L

R5112

C5104

2

C5105M

R5129

Q5104

Q5102

C5118M

C5103M

R5124M

C5110

L5102

D5102

C5111

DAG

R5114

W5102

Q5101

R5118M

R5110

C5106M

R5103

DAG1

R5115

R5123

RX5104

RX5111

RX5122

C5109M

R5119

5C2

D5105

R5126

R5109M

R5106M

R5113M

R5121M

R5105M

R5112M

R5120M

R5125

R5108M

R5117M

Q5103

R5120

R5102M

W5100

R5101M

C5102M

L5100

C5107

R5105

R5127

C5101

CRT1

W5104

R5107

CRT2

W5103

121-1140A

125-022K

103-344-06

20-03907-25A

6620VBC003A

6620VBA003A

SR25-3828VD0171B

This schematic refers to

CL Chassis models

H19F34DT H20F34DT H25F34DT H25F39DT H27F34DT H27F39DT H25F36DT H27F36DT H32F36DT

1 2 3 4 5 6 7 8 9 10

G

D

C

B

E

F

A

Video Output Circuit

CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X” IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

ALL SYMBOLS WITH “M” ON THE DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT.

6-8

1.73V

4.60V

20 uS

WF45

20 uS

WF44

WF43

20 US

8

9

10

6

7

5

1

2

3

4

11

10

9

8

7

5

6

1

2

3

4

8

9

10

6

7

5

1

2

3

4

11

10

9

8

7

5

6

1

2

3

4

11

10

9

8

7

5

6

1

2

3

4

11

10

9

8

7

5

6

1

2

3

4

MPI_DATA_IN

+5VBA

PS_GND

MPI_DOUT

Y/C_GND

C-IN

BUFFERED_MPI_DIN

Y-IN

VERTICAL_SYNC

HORIZONTAL_SYNC

VIDEO_GND

GREEN_VIDEO_IN

BLUE_VIDEO_IN

IR_DATA_OUT

DATA_GND

DATA_GNDDATA_GND

BUFFERED_MPI_DATA_OUT

SPI_DATA_OUT

RED_VIDEO_IN

SPI_DATA_IN

SPI_CLOCK

BUFFERED_IR_DATA_OUT

CLONESENSE/PTY_SELECT

+11V

SYNC_GND

58-542-10

P078-3571

58-593-10

P078-3571

1VGA10

CON2

2VGA8

2E6

1E11

CON1

1 2 3 4 5 6 7 8 9 10

G

D

C

B

E

F

A

Edge Card Circuit

CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X” IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

ALL SYMBOLS WITH “M” ON THE DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT.

6-9

This schematic refers to

CL Chassis models

H19F34DT H20F34DT H25F34DT H25F39DT H27F34DT H27F39DT H25F36DT H27F36DT H32F36DT

SR25-3828VD0171B

AUDIO-AMP-RIGHT

AUDIO-AMP-LEFT

MATRIX/SPEAKER-OUT

MUTE

COMP-AUD

GND

GNDGND

GND

AUD

+14V

GND

GND GND

AUD

+13V

GND GND

GND

Q800

E

B

C

KSC945C-Y

0TR945009AA

1

2

3

CN9M4

366-921B

1

2

3

4

CN9S4

366-921C

C824

50V

0.1

C814

0.1

50V

C825

25V

470µF

C800

25V

100µF

C802

25V

1000µF

C811

50V

10µF

C813

16V

100µF

C815

25V

470µF

C821

50V

10µF

C823

16V

100µF

C826

50V

10µF

C829

25V

470µF

CM812

50V

2200pF

CM822

2200pF

50V

R824

3.3

R800

330

R814

3.3

R801

2.2K

C828

50V

0.1

1

2

3

4

5

678

IC801

TDA7267

0ICTMSG002A

2W

R830

1/2W

15

R831

1/2W

15

1

2

3

4

5

6

78

9 10

IC800

4920V00010

0ISA426100A

LA4261

4921V00N11Q

CM827

5600pF

50V

RM825

3K

RM826

4.7K

CM801

25V

0.01

CM830

25V

0.01

RM811

3.9K

RM821

3.9K

RM812

1.8K

RM822

1.8K

RM813

150

RM823

150

TP800

TP801 TP802

TP804

TP1404

TP805

TP803

STEREO AUDIO AMPLIFIER

MONO AUDIO AMPLIFIER

M-OUTM-OUT

((((((

((

1 2 3 4 5 6 7 8 9 10

G

D

C

B

E

F

A

Audio Amplifier Circuit

Composite Audio

Audio Out L

Audio In L

Audio Out R

Audio In R

((((((

((

M-OUTM-OUT

M-Out

This schematic refers to

CL Chassis models

H19F34DT H20F34DT H25F34DT H25F39DT H27F34DT H27F39DT H25F36DT H27F36DT H32F36DT

CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X” IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

ALL SYMBOLS WITH “M” ON THE DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT.

6-10

SR25-3828VD0171B

CV-COMB

LUMA-COMB

CHROMA-COMB

FSC

SW

+8V

SW

+8V

SW

+8V

SW

+9V

+5VCMB

+5V CMB

CMB

+5V

CMB

+5V

CM2400 PROV 50V

L2401

100µH

L2403

100µH

L2405

10µH

W2450

P/L

Q2400

E

B

C

0TR945009AA KSC945C-Y

C2409

16V

47µF

C2412

16V

47µF

C2414

16V

47µF

C2410

16V

47µF

Q2403

E

B

C

0TR945009AA KSC945C-Y

CM2424 PROV 50V

Q2404

E

B

C

0TR945009AA KSC945C-Y

C2413

16V

47µF

L2402

10µH

RM2416 P/L

L2404

10µH

CM2421

50V

PROV

L2406

JUMPER

R2400

1K

RM2415

100

RM2419

6.8K

R2418

4.7K

L2400

22µH

RM2411 PROV

CM2419

50V

PROV

CM2420 PROV 50V

ICX3820

KIA78L05BP(AT)

IN OUT

GND

5V

150mA

0IKE780500P

CMX3820

16V

0.1

CX3821

10V

220µF

C2406

50V

1µF

FRX3820

1/2W

5.6

AVSS

VRB

VRT

ADIN

BIAS1

7

6

5

4

12

10

3

11

BIAS2

YOUT

AVDD

14

152

8

161

COUT

BIAS3

VFIL

CVIN

DVSS

9

DVDD

UIHER

TEST

13

IC2400

TC90A45P

0ICTMTO004A

JM2451 P/L

JM2452

0

JM2453

0

L2407

971-16

Q2401

E

B

C

PROV

RM2407

P/L

RM2413 PROV

RM2417 P/L

Q2402EB

C

PROV

CM2422

50V

PROV

CM2423

50V

PROV

RM2414

0

CM2408

50V

PROV

CM2401

50V

12pF

CM2403

50V

27pF

CM2402

50V

27pF

CM2404

25V

0.01

CM2405

25V

0.01

CM2407

25V

0.01

CM2411

25V

0.01

CM2415

50V

120pF

CM2416

50V

180pF

CM2417

25V

0.01

CM2418

25V

0.01

CM2426

25V

0.01

RM2401

22K

RM2402

2.7K

RM2403

100

RM2404 1K

RM2405

820

RM2406

100

RM2408 820

RM2409

100

RM2410

0

RM2412

100

RM2407 180

750

IN

INJM2450

JM2451

JM2452

W2450, RM2412, JM2453, RM2414, L2407, JM2451, JM2452, RM2410, L2406

JUMPER

RM2416

RM2417

OMIT

JMP

820

COMB FILTER MODELS ONLY

NO COMB

OUT

NOTE: FOR NO-COMB MODELS

RM2413, CM2422, CM2423, RM2411, CM2419, CM2420, Q2401, Q2402

390

220

NO COMB

WITH COMB

OUT

OUT IN

IN

WITH COMB

OUT

JM2453

FSCFSC

WFFSC

1 2 3 4 5 6 7 8 9 10

G

D

C

B

E

F

A

Comb Filter Circuit

Composite Video “Comb Filter”

Chroma Comb(C-IN)

Luma Comb (Y-IN)

Subcarrier Signal

FSC

This schematic refers to

CL Chassis models

H19F34DT H20F34DT H25F34DT H25F39DT H27F34DT H27F39DT H25F36DT H27F36DT H32F36DT

CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X” IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

ALL SYMBOLS WITH “M” ON THE DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT.

6-11

WFFSC

3.584 Mhz

50.0 nS

SR25-3828VD0171B

AFT OUT

SAW

VIF IN

IF IN

63

64

2

45

46

RF AGC

OUT

DELAY ADJ

RF AGC

59

IF AGC

VIF

AMP

VCO

VIDEO

DET

APC DET

VIF VCO ADJ

DEFEAT

AFT OUT

AFT

GAMMA

BLACK STRETCH

GAMMA

BLACK

STRETCH

CLAMP

SHARPNESS

VIDEO TONE

DELAY

Y SW

LPF

F. TRAP

CHROMA

TRAP

VCO ADJ

ACL/ABCL

Y-SW OUT

31

33

X2

41

VIDEO

MUTE

VIDEO

MUTE

DET ADJ

TAKE OFF

CHROMA

BPF

REF

FILTER

LOCK

DET

DEMODULATOR

TINT ANGLE

COLOR

WHITE BLUE BACK

RGB

MATRIX

CONTRAST

BRIGHT

SYNC

DEP

SYNC SLICE

DRIVE

AMP

R

B

EQ

ELIMINATE

VIDEO OUT

1.2Vp-p

RESET to MCU

MCU VDD 5V

8.7V

11V

5.7Vreg

RESET

POWER ON CONTROL

8.7V

5.7V

P-ON-ON

Vcc 8V

Vcc 5V

from MCU

INTER CARRIER OUT

LIMITER IN

LIMITER

HPF

FM

DET

AF

AMP

R EXT INPUT

G EXT INPUT

B EXT INPUT

5V

DIRECT OUT

EXT AUDIO IN

ATT

MUTE

FM

AUDIO SW

BUS

I/F

VIF Vcc

VIF GND

V SYNC

TRIG

CLAMP

HV

BLK

GRB

CUT OFF

VERTICAL

COUNT DOWN

SERVICE SW

V. RAMP

BGP

GEN

NORIZONTAL

COUNT DOWN

V. COINB

V. SHIFT

V. SIZE

AFC 2

Intelligent

Monitoring

Intelligent Monitoring

I I VCO

AFC I

AFC GAIN

I I

COINCI.

Hi Vcc

H COINB

I I-pHASE

NC

H STOP

DEF

Vcc

8V

V. PULSE

OUT

VERTICAL

V. OUT

DY

AUDIO

OUT

SDA

SCL

FAST BLK

R IN

G IN

B IN

R

G

B

OUT PUT

H. OUT PUT

DEF

GND

CLK CONT

VCXO

VIDEO/CHROMA

GND

VCO

ADJ

HVCO ADJ

INV

FBP INV

OUT

FBP

IN

fsc

OUT 1

5V

3.58 MHz

5V

VIDEO/CHROMA

Vcc

CLOCK

CONTROL

CHROMA

APC DET

ACC DET

ACC

HPF

EXT IN/C IN

1Vp-p

DL

TIME

DL

TIME

SW

TV IN/Y IN

1Vp-p

KILLER

DET

KILLERB

US/JPN

NC

62 61

60

55

58

42

32

30

47

49 28

50

48435756 52

54 53

43

51

26

27

24

23

22

21

14

15

16

5

6

20

1

18

13

12

11

98

44

7

10

19

17

36

35

29

34

403937

2538

This schematic refers to

CH Chassis models

H19F34DT H20F34DT H25F34DT H25F39DT H27F34DT H27F39DT H25F36DT H27F36DT H32F36DT

1 2 3 4 5 6 7 8 9 10

G

D

C

B

E

F

A

CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER ìXî IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

ALL SYMBOLS WITH ìMî ON TH E DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT.

6-12

SR25-3828VD0171B

Block Diagram

_A_V

CN4R8

THX3901

CX3405

CN4T8

G56

G57

G54

G55

BRX3400A

+

~

-

BRX3400

+

~ ~

-

CX3404

THX3902

1

DX3600

G44

G43G42

W1

KX3900

RX3500

QX3500

E

B

C

G10

C3204

TU1240

FB3601

FB3601A

FB3600A

FB3600

W2

RX3605

DX3602

DX3601

RX3603

RX3604

RX3601

CX3215

W5

CX3205

W3203

CX2114

W13

CN9M4

1

C825

R2800

L2481

C823

L2471

W49

C2805

C2803

C2802C2804

R2805

R2807

R824

C800

E21

E29

E32

E33

W21

Q1401

E

B C

C1403

IC1401

GND

OUT

VCC

C1400

L1400

C1408

C2218

C829

R814

C814

C815

W14

C824

DX3801

R2801

C2219

D2203

L2202

Q1400

E

B C

R2901

R2811

R2809

R800

Q800

E

B C

C826

R2810

R2806

R2808

R2804

ZD2903

R2802

C2800

C2801

R2803

W26

CN9S4

1

R1401 R1402

C1415

IC800

W28

R2905

R2906

ZD2901

L2900

R2902

C2905

IC2901

R2908

R2907

ZD2904

W37

R2916

C2904 C2901

C2902

W111

R2903

ZD2902

R2904

W39

W40

C2910

W41

C2474

C2908

W43

W44

W46

C2413

Q2403

E

B

C

Q2404

E

B

C

Q2401

E

B

C

Q2402

E

B

C

C2410

IC2400

C2409

R2400

W2450

C2412

Q2400

E

B

C

L2400

C2414

W48

W45

W42

L2404

L2401

L2405

W47

W51

R1226

W70

W61

W69

L1201

W68

C2208

L2201

R2207

W54

C1222

R2203

L1207

U1201

C2201

R1225

R2214

R2210

R2218

Q2201

EB

C

Q2202

E

B

C

Q2203

EB

C

W53

L2205

R2221

W62

W66

Q1201

E

B C

W72

R1215

U1203

L2203

U1204

SHIELD

C6006

R6015

R6027

R6026

R6016

W60

W59

C6020

CRY6002

W86

W87

W6002

L6003

IC6002

GND

OUT

VCC

W91

Q2603

E

B

C

C2610

C2608

Q2601

E

B

C

Q2604

E

B

C

D2601

D2602

Q2602 E

B

C

C2604

C2601

L2601

R2620

W95

R6007

W101

W102

W96

R6039

W99

R6011

W103

W104

W85

W82

W84

R6013

DX3611A

5CX341

CX

4

0

03

CX3611

E34

E22

E23

E35

E36

W108

W107

CN2K6

1

04 L60

ZD6002

D6002

C6035

L6005

QX3001

E

B

C

W127

L6001

W131 W128

CX3855

LX3851

W141

RX3501

E38

LX3262

W17

LX3201

CX3251

CX3402

R801

W31

W29

W30

ZD1240

CRY1400

W2804

SPGND

C1240

W71

W74

L1202

W73

W78

Q1402

EB

C

W77 W76

R1408

L1402

W75

E37

E39 E40

G26

E31

E30

E28

E27

E26

G48

CRY6001

CX3216

C2609

D6001

C6016

CN3Y3

L6002

L1240

C1241

L2406

L2602

LX3400

R6041

R6043

RX2105

RX2124

RX3215

RX3214

TX3205

W3202 LX3202

C1422

RX3216

RX3714

Q3250

EB C

CX3254

R3205

R3204

C3255

R3252

R3253

DX3252

DX3204

W8

CX2108

CX3207

RX2117

D2205

CN2C5A

W4

CX3253

RX3008

RX3212

W10

W9

RX3206

RX3207

C3203

Q3202

E

B

C

Q3201

E

B

C

DX3203

CX3218

W56

W97

R2930

IC2902

R2926

Q2902

E

B

C

Q2901

E

B

C

R2418

W100

W63

CN4G9

R2232

R2231

CRY2201

W88

W2800

IC2800

C1419

C1207

R1220

D2201

C2204

W55 L6007

C6098

Q6005

EB

C

CX3605

RX3410

G47

G46

THX3410

C2224

W89

W90

C2230

R2222

W65

C2233

C2231

C2227

C2241

W67

L2204

W92

W93

L1208

W98

L2206

L2207

C1205

C1218

Q1203

E

B

C

C2900

W38

R2917

R2912

R2911

C2909

W83

W94

RX3831

ICX3835

IN

OUT

GND

W121

W32

W122

W124

CX3610

W115

W19

W117

W116

W120

RX3511

QX3510

E

B

C

CX3620

W105

W112

W125

RX3610

RX3512

ICX3815

GND

OUT

IN

CTL

CX3816

CX3813

RX3505

W11

DX3813

RX3816

RX3815

W130

FRX3815

W118

W12

CX3811

QX3505

E

B

C

W113

W110

W80

CX3831

CX3841

ICX3840

IN

OUT

GND

LX3840

RX3820ZDX3826

ZDX3821

ICX3830

GNDOUT

IN

CTL

W135

RX3810

ICX3810

GNDOUTINCTL

CX3613

W119

W25

C1416C1418C1420

L1403

C1425

W136

W36 W34

W132

W35

R2910

C2903

R2909

R2812

W27

L2402

W134

ICX3820

IN

OUT

GND

CX3821

W133

CN4B8

W58 W57

RX3713

W137

W106

CN2P6

1

CX3604

CX3602

CX3601

CX3603

L1204

U1202

C1212

L1205

Q1202

E

B

C

IC1400

IC6000

TX3601

1

RX3705

RX3710

RX3711

RX3716

RX3701

ICX3710

A

RK

RX3717

ZDX3710 QX3711

E

B

C

CX3702

CX3701

ICX3701

A

R

K

W138

G33

RX3702

RX3706

RX3700

C2237

C6013

CX2105

CN10VGA1

PH1

FB3610

CX3623

CX3622

RX3830

RX3209

ICX3816

IN

OUT

GND

L2403

C828

W50

W52

ZD2800

W123

W64

ICX3500

1

ICX3700

1

CX3621 FB3611A

W139

C813

DX3800

C821 C811

W140

W23

W22

W142

Q2204

E

B

C

C1246

W2803

W33

C2807

W143

W145

W79

C1426

R1213

W81

C1216

W146

C2228

L1206

C1215

QX3002

EB

C

ICX2100

1

QX3251

E

B

C

CX3003

RX3013

RX3022

RX3015

RX3016

C2220

W144

RX3600

C2215

W6

CX2109

G1

R3258

RX2106

RX2107

R2242

R2118

R3261

R3260

R2123

C2104

CX2102

R2119

W7

C2106

R3262

RX2108

C2103

C2221

CX2110

X2114R

C2112

RX2115

RX3210A

RX2125

DX2101

RX3211

RX3900

W18

LX3611

W114

W24

W20

LX3833

CX3004

R3203

C3202

W15

W16

W147

CX3007

DX3006

DX3251

CX3256

CX3252

DX3900

QX3900

E B

C

C2406

C3250

W129

R2226

R3251

CX3822

RX3811

W126

RX3832

W109

CX3836

CX3854

RX3852

RX3851

RX3850

RX3611

CX3853

W149

W148

W3

DX3201

DX3250

C3206

CX3208

C3209

CX3211

RX3208

CX3212

RX3853

CX3856

DX3610

A

K

DX3613

A K

DX3612

A

K

RX3400

FH3400A

FH3400B

FX3400

5A

250V

R

3

4

0

0V

X

G60

G61

FB3611

DX3611

A

K

C802

CX3612

LX3852

LX3612

LX3820

CX3801

CX3850

ICX3612

OCP/FB

GND

VIN

D

S

QX3203

E

B

C

R830

R831

W150

FX3610

3A

125V

FX36133A125V

FX3612

3A

125V

E25

E24

G25

G27

G28

G31

G32

RX2113

RX2110

JP1

1

CX2115

C3260

CX3213

CX3217

CX3703

CX3851

CX3852

GND

L2407

TX3204

RX2111

RX2112

RX3210B

RX3256

ZDX3004

C1248

W1250

ZDX3810

RX3812

FRX3813

FRX3840

RX3712

RX3715

RX3704

RX3703

RX3606

FRX3820

W1201

W2201

CX3840

R3255

CX3210

R2243

FB3613

FB3612

CX3600

CX3401

CN2C5B

G58 G59

1

AK

DX2104

IC801

ICX3870

IC6001

Q2206

EB

C

E1

E2

E3E4

E5

E6 E7

E8

E9

E10 E11

E12

E13

E14 E15

E16E17

E18

E19

E20

G4

G5

G6

G7

G8

G9

G11

G12

G13

G14

G15

G16

G17

G18

G19

G20

G2

G3

G21

G22

G23

G24

G29

G30

G35

G34

G36

G37

G38

G39

G40

G41

G45

G53

G49

G50

G51

G52

1

COLD

HOT

(1)

26-JUNE-2003

HOT

COLD

HOT

COLD

HOT

AGC CHECK

6870VM7786F

(19/20V)

4A

250V

(25/27/32V)

SETUP

TO VIDEO OUTPUT

TO A.C. INPUT

TO VIDEO OUTPUT

TO LED BOARD

TO DEGAUSSER

TO

TO DEFLECTION YOKE

JACK

FRONT

TO SPEAKERS

TO KEYBOARD

TO EDGE CARD

PCB Layout Top

CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X” IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

ALL SYMBOLS WITH “M” ON THE DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT.

6-13

SR25-3828VD0171B

PCB Bottom Layout

CN4R8

1

THX3901

CX3405

CN4T8

1

BRX3400A

+

~

BRX3400

+

~

CX3404

1

THX3902

DX3600

»

W1

KX3900

RX3500

QX3500

E

B

C

C3204

1

TU1240

FB3601

FB3601A

FB3600A

FB3600

W2

605RX3

DX3602

»

DX3601

»

RX3603

RX3604

RX3601

CX3215

W5

CX3205

+

W3203

CX2114

+

W13

CN9M4

1

C825

+

R2800

L2481

C823

+

L2471

W49

C2805+C2803

+

C2802

+

C

2804

+

R2805

R2807

R824

C800

+

W21

E

B

C

1401Q

C1403

+

IC1401

GND

VCC

OUT

C1400

+

L1400

C1408

+

C2218

+

C829

+

R814

C814

C815

+

W14

C824

DX3801

»

R2801

C2219

+

D2203

»

L2202

E

B

C

Q1400

R2901

R2811

R2809

R800

E

B C

Q800

C826

+

R2810

R2806

R2808

R2804

ZD2903

»

R2802

C2800

+

C2801

+

R2803

W26

CN9S4

1

R1401

R1402

1415C

+

IC800

1

W28

R2905

R2906

ZD2901

»

L2900

R2902

C2905

+

IC2901

1

R2908

R2907

ZD2904

»

W37

R2916

C2904

+

C2901

+

C2902

+

W111

R2903

ZD2902

»

R2904

W39

W40

C2910

+

W41

C2474

+

C2908

+

W43

W44

W46

C2413

+

E

B

C

Q2403

E

B C

Q2404

E

B C

E

B

C

Q2402

C2410

+

1

8

9

16

IC2400

C2409

+

R2400

W2450

C2412

+

E

B

C

Q2400

L2400

C2414

+

W48

W45

W42

L2404

L2401

L2405

W47

W51

R1226

W70

W61

W69

W68

C2208

+

L2201

W54

C1222

+

L1207

U1201

C2201

+

R1225

R2214

R2210

R2218

E

B

C

Q2201

E

BC

Q2202

EBC

Q2203

W53

L2205

R2221

W62

W66

Q1201

E

B

C

W72

R1215

U1203

L2203

U1204

SHIELD

+

C6006

R6026

W60

W59

+

C6020

RY6002C

W86

W87

W6002

L6003

GND

VCC

OUT

IC6002

W91

E

B

C

Q2603

C2610

+

C2608

+

E

B

C

Q2601

EB

C

Q2604

D2601

»

D2602

»

EBC

Q2602

C2604

+

C2601

+

L2601

R2620

W95

R6007

W101

W102

W96

R6039

W99

R6011

W103

W104

W85

W82

W84

R6013

DX3611A

»

+

CX3415

C4

0X3

0

CX3611

+

W108

W107

CN2K6

1

L6004

»

ZD6002

»

+

C6035

L6005

E

B

C

QX3001

W127

L6001

W131

W128

CX3855

+

LX3851

W141

RX3501

LX3262

W17

LX3201

CX3251

CX3402

R801

W31

W29

W30

»

ZD1240

CRY1400

W2804

SPGND

+

C1240

W71

W74

L1202

W73

W78

E

B

C

Q1402

W77

W76

R1408

L1402

W75

CRY6001

CX3216

C2609

+

»

D6001

+

C6016

CN3Y3

1

L6002

L1240

+

C1241

L2602

1

LX3400

RX2105

RX2124

RX3215

RX3214

TX3205

W3202

LX3202

C1422

+

RX3216

RX3714

EB C

Q3250

CX3254

R3205

R3204

C3255

+

R3252

R3253

»

DX3252

»

DX3204

W8

CX2108

CX3207

RX2117

D2205

»

CN2C5A

1

W4

CX3253

+

RX3008

RX3212

W10

W9

RX3206

RX3207

C3203

E

B

C

Q3202

E

B

C

Q3201

»

DX3203

CX3218

W56

W97

R2930

IC2902

1

R2926

E

B

C

Q2902

E

B

C

Q2901

R2418

W100

W63

CN4G9

1

R2232

R2231

CRY2201

W88

W2800

IC2800

1

C1419

+

R1220

D2201

»

+

W55

L6007

+

C6098

E

B

C

Q6005

CX3605

RX3410

THX3410

C2224

+

W89

W90

C2230

+

R2222

W65

C2233

+

C2227

+

C2241

+

W67

L2204

W92

W93

L1208

W98

L2206

L2207

+

Q1203

E B

C

C2900

+

W38

R2917

R2912

R2911

C2909

+

W83

W94

RX3831

IN

OUT

GND

ICX3835

W121

W32

W122

W124

CX3610

+

W115

W19

W117

W116

W120

RX3511

QX3510

E B

C

CX3620

W105

W112

W125

RX3610

RX3512

ICX3815

GND

OUT

IN

CTL

CX3816

+

CX3813

+

RX3505

W11

DX3813

»

RX

3816

RX3815

W130

FRX3815

W118

W12

CX3811

+

QX3505

E

B

C

W113

W110

W80

CX3831

+

CX3841

+

IN

OUT

GND

ICX3840

LX3840

RX3820

ZDX3826

»

ZDX3821

»

ICX3830

GND

OUT

IN

CTL

W135

RX3810

ICX3810

GND

OUT

IN

CTL

CX3613

+

W119

W25

6C141

+

C1418

+

C1420

+

L1403

C1425

+

W136

W36

W34

W132

W35

R2910

C2903

+

R2909

R2812

W27

L2402

W134

IN

OUT

GND

ICX3820

CX3821

+

W133

CN4B8

1

W58

W57

R

X3713

W137

W106

CN2P6

1

CX3604

CX3602

CX3601

CX3603

+

L1204

U1202

C1212

+

L1205

E

B C

Q1202

IC1400

1

13

26

27 40

52

1

13

26

27

40

52

IC6000

TX3601

1

9

18

10

RX3705

RX3710

RX3711

RX3716

RX3701

ICX3710

A

R

K

RX3717

ZDX3710

»

QX3711

E

B

C

CX3702

CX3701

A

R

K

ICX3701

W138

RX3702

RX3706

RX3700

C2237

+

C6013

CX2105

CN10VGA1

1

PH

FB3610

CX3623

CX3622

RX3830

RX3209

IN

OUT

GND

ICX3816

L2403

C828

W50

W52

ZD2800

»

W123

W64

1

ICX3500

1

ICX3700

CX3621

FB3611A

W139

C813

+

DX3800

»

C821

+

C811

+

W140

W23

W22

W142

E

B

C

Q2204

+

C1246

W2803

W33

C2807

+

W143

W145

W79

C1426

+

R1213 W81

+

W146

C2228

+

L1206

C1215

+

E B

C

QX3002

ICX2100

1

QX3251

E

B C

CX3003

+

RX3013

RX3022

RX3015

RX3016

C2220

+

W144

RX3600

C2215

W6

CX2109

+

R3258

RX2106

RX2107

R2242

R2118

R3261

R3260

R2123

C2104

CX2102

+

R2119

W7

C2106

R3262

RX2108

C2103

+

C2221

CX2110

RX2114

C2112

RX2115

RX3210A

RX2125

»

DX2101

RX3211

RX3900

W18

LX3611

W114

W24

W20

LX3833

CX3004

+

R3203

C3202

W15

W16

W147

CX3007

»

DX3006

»

DX3251

CX3256

CX3252

DX3900

»

E

B

C

QX3900

C2406

+

C3250

+

W129

R2226 R3251

CX3822

+

RX3811

W126

RX3832

W109

CX3836

+

CX3854

RX3852

RX3851

RX3850

RX3611

CX3853

W149

W148

W3

»

DX3201

»

DX3250

C3206

CX3208

+

C3209

CX3211

RX3208

CX3212

RX3853

CX3856

+

DX3610

A

K

»

X3613D

A

K

»

DX3612

A

K

»

RX3400

FH3400A

400BFH3

FX3400

V

R

X

34

0

FB3611

DX3611

A

K

»

C802

+

CX3612

+

LX3852

LX3612

LX3820

CX3801

+

CX3850

+

ICX3612

OCP/FB

GND

VIN

D

S

QX3203

E

B

C

R830

R831

W150

FX3610

FX3613

FX3612

RX2113

RX2110

JP1

1

1224 13

CX2115

C3260

CX3213

CX3217

CX3703

CX3851

CX3852

GND

L2407

TX3204

RX2111

RX2112

RX3210B

RX3256

ZDX3004

»

C1248

W1250

ZDX3810

»

RX3812

FRX3813

FRX3840

RX3712

RX3715

RX3704

RX3703

RX3606

FRX3820

W1201

W2201

CX3840

+

R3255

CX3210

R2243

FB3613

FB3612

CX3600

CX3401

CN2C5B

1

DMX3851

RM3250

CM2424

CM1409

CM1407

CM1

417

CM1414

CM1413

CM1411

CM1401

CM1410

CM1406

CM1404

CM1405

RM1403

RM1404

RM1400

CM1402

CM830

RM825

RM2238

RM2239

CM2216

CM1421

CM1423

424CM1

RM1405

1406RM

CM1244

CM1245

CM1243

CM1242

RM2473

JM2902

RM2923

RM2922

RM2416

CM2423

CM2907

RM2920

CM2473

CM2472

RM2921

JM2901

RM2919

RM2472

CM2471

RM2471

RM2411

RM2410

JM2452

CM2483

CM2482

RM2482

CM2481

CM2421

RM2407

CM2420

CM2419

RM2413

JM2471

CM2422

JM2453

RM2414

CM2404

CM2405

CM2426

CM2408

CM2416

CM2418

CM2407

CM2411

JM2451

CM2402

RM2401

CM2401

RM2408

CM2415

CM2417

RM2405

RM2925

CM2400

CM1220

CM1223

RM1217

CM1210

RM1218

CM2209

CM2207

CM2203

CM2238

CM1211

RM2204

CM2202

RM2201

RM2202

RM1227

CM1221

RM1203

RM2209

RM2213

RM2217

RM2212

RM2216

RM2211

RM2215

RM2219

RM2220

CM2210

CM2211

CM2212

CM2213

RM1223

CM1225

CM1224

RM1209

2CM120

RM1206

RM1205

CM1206

CM1208

RM1224

RM1221

CM1203

CM1204

RM1222

JM1200

CM6047

CM6048

CM6049

CM6050

CM6041

CM6094

C

M6051

CM6014

CM6012

CM6056

CM6099

CM6018

CM6045

CM6046

CM6019

RM6069

CM6025

CM6024

CM6023

CM6038

CM6095

CM6055

CM6054

CM6053

CM6052

RM6031

CM6009

CM6001

CM6002

CM6058

CM6059

CM6060

CM6079

CM6043

CM6042

CM6093

CM6090

CM6091

092CM6

RM6070

RM

6061

7RM601

CM6040

CM6097

CM6005

RM6032

CM6007

CM6008

CM6010

CM6011

RM6020

RM6059

CM6017

RM6037

CM6021

RM2233

RM2619

RM2615

RM2616

RM2617 RM2618 RM2609 RM2608 RM2607

RM2614

RM2611

CM2602

RM2613

CM2612

CM6015

RM6035

RM6060

RM6042

RM6044

RM6047

RM6045

RM6046

RM6048

RM6014

RM2227

RM2228

RM6038

RM6036

RM2223

RM2225

RM2224

RM2229

RM2230

RM6009

RM6058

CM6003

RMX3021

RM6090

RM6006

CM2214

CM6033

CM6

036

RMX3017

RM6002

RM1202

CM1201

RM1407

CM1425

CM1412

RM1409

RM6050

RM6049

RM3202

RM3257

RM2244

RM2245

RM2235

RM2236

RMX3009

RM3213

RM3201

RM2621

JM2904

JM2903

CM2906

RM2419

RM1240

RM1241

17CM22

JM2801

RM2251

RM2206

RM2208

RM6053

RM6080

JM6033

CM6061

RM6075

RM6076

RM6034

RM2612

RM2610

CM2225

CM2235

CM2234

CM2240

CM2232

CM2226

RM6072

CM2911

CMX3815

CMX3835

CMX3810

CMX3830

CMX3820

RM2402

03CM24

RM2404

CM2236

CM6037

CM6080

CM827

CM1247

RM826

JM1202

CM2223

RM2249

CM2222

RM2417

RM812

RM811

CM812

RM813

RM822

CM822

CM801

RM823

RM821

RM2237

CM1217

RM1212

RM1211

CM1214

RM1210

CM1226

CM1209

CM1213

RM1230

M2205C

RM2250

RM1219

JM2

CM3201

RM2622

JM1

RM2409

RM2415

RM2918

RM2481

RM2406

RM2403

RM2924

RM1204

RM1207

RM1208

RM6040

RM6051

RM6052

RM1201

RM2412

RM2234

RM1216

»

DX2104

1

8

5

4

IC801

ICX3870

1

5

4

8

1

845

IC6001

E

B

C

Q2206

RM2240

RM2241

IC

M

220

0

1

GND-VID

HOT

COLD

HOT

COLD

HOT

COLD

HOT

COLD

YC-SENSE

LUMA-IN

6870VM7786F

GND-YC

GND-VID

GND-MATRIX

MATRIX-OUT

LEFT-IN-YC

LEFT-IN-VID

GND-AUD

RIGHT-IN-VID

RIGHT-IN-YC

GND-AUDNCVIDEO-IN

GND-VID

NC

CHROMA-IN

NC

GND-VID

-VIDGND

VID-IN

GND

SENSE

GND

LEFT

GND

RIGHT

GND

AGC

NC

CS

SCL

SDA

IF

5V

NC

33V

8V

GND

R-OUT

G-OUT

B-OUT

LEFT

RIGHT

COL

+215V

+25V

HEATER

GND

ABL

+36V

GND

B+

NC

FOCUS GND

H-DY

V-DY

DEGAUSSER

215V

GND

HEATER

AC-INPUT

CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X” IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

ALL SYMBOLS WITH “M” ON THE DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT.

6-14

SR25-3828VD0171B

1 1

1

C

B E

C

B E

B

C

E

B

C

E

B

C

E

1

1VGA10

1

C

B E

1

BCE

1

EDGE TARGET

CRT1

R5129

W0165

CRT2

W0160

W0166

C4965

C4966

C4967

C4946

6E2

11E1

MPI

R4997

R4993

R4992

R4990

R4991

R4996

C5107

R4987

C5104

C5110

R4983

W3

L5100

R5114

Q5102

Q5103

C5101

L5102

D5102

D5105

DAG

RX5104

RX5111

Q5104

W2

Q4905

W5102

R5103

R5115

W201

R5123

DAG1

R5119

R5110

R5127

Q4904

C5111

W5103

DAG2

R5112

R5126

W200

R5105

R5120

R4984

W12VRJ11

R4982

CON2

Q4903

W0162

W0161

2E6

CON1

1E11

2VGA8

W0163

R5125

R5107

W5100

W5104

Q4906

5C2

W1

6870VS1500C

PCB Top Layout

CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X” IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

ALL SYMBOLS WITH “M” ON THE DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT.

6-15

SR25-3828VD0171B

R4989M

R4986M

R4995M

R4985M

R4994M

C5105M

C5118M

C5103M

C5106M

C5109M

C5102M

R5124M

R5118M

R5109M

R5106M

R5113M

R5121M

R5105M

R5112M

R5120M

R5108M

R5117M

R5102M

R5101M

PCB Bottom Layout

CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X” IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

ALL SYMBOLS WITH “M” ON THE DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT.

6-16

SR25-3828VD0171B

zenith

Zenith H25F39DT Series, H20F34DT Series, H25F36DT Series, H27F36DT Series, H27F39DT Series Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual