Philips A02U AA Service Manual

Colour Television Chassis

A02U

E_13950_000.eps

030304

Contents Page Contents Page

1. Technical Specifications, Connections, and Chassis Overview 2

2. Safety Instructions, Warnings, and Notes 4

3. Directions for Use 6

4. Mechanical Instructions 8

5. Service Modes, Error Codes, and Faultfinding 11

6. Block Diagrams, Testpoint Overviews,

and Waveforms

Wiring Diagram 21 Block Diagram LSP Supply and Deflection 22 Testpoint Overview LSP and CRT 23 Block Diagram 1 Audio & Video 24 Block Diagram 2 Audio & Video 25 Testpoint Overview SSB 26 I2C Overview 27 Supply Lines Overview 28

7. Circuit Diagrams and PWB Layouts Diagram PWB LSP: Main Supply (Diagr. A1A) 29 39-44 LSP: Main Supply (Diagr. A1B) 30 39-44 LSP: Standby Supply (Diagr. A2) 31 39-44 LSP: Line Deflection (Diagr. A3) 32 39-44 LSP: Frame Defl. & E/W Drive (Diagr. A4) 33 39-44 LSP: Rotation Circuitry (Diagr. A5) 34 39-44 LSP: Headphone Amplifier (Diagr. A7) 34 39-44 LSP: Audio Amplifier (Diagr. A6) 35 39-44 LSP: Tuner SIMM Conn. (Fem.) (Diagr. A8) 36 39-44 LSP: Front (Diagr. A10) 37 39-44 LSP: Inputs/Outputs (Diagr. A11) 38 39-44 SSB: If & SAW Filter (Diagr. B1) 45 62-63 SSB: Video Source Sel. & Data Link(Diagr. B2) 46 62-63 SSB: Audio Source Select (Diagr. B3) 47 62-63 SSB: MPIF-Supply, E.W, & Control (Diagr. B4) 48 62-63 SSB: Video Decoder (Diagr. B5) 49 62-63 SSB: Feature Box (Diagr. B6) 50 62-63

Copyright 2004 Philips Consumer Electronics B.V. Eindhoven, The Netherlands. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips.

SSB: RGB Processing (Diagr. B7) 51 62-63 SSB: Sync & Deflection Proc. (Diagr. B8) 52 62-63 SSB: Protection (Diagr. B9) 53 62-63 SSB: Audio Processing (Diagr. B10) 54 62-63 SSB: Control (Diagr. B11) 55 62-63 SSB: Contr.-Mem.y Interf. (EBIU) (Diagr. B12) 56 62-63 SSB: Contr.-Mem. Interf. (SDRAM) (Diagr. B13) 57 62-63 SSB: ADOC Supply (Diagr. B14) 58 62-63 SSB: Low Voltage Supply ADOC (Diagr. B15) 59 62-63 SSB: 3D COMB Filter (Diagr. B17) 60 62-63 SSB: Connector Interface (Diagr. B18) 61 62-63 Side I/O Panel (Diagr. D) 64 65 CRT Amplifier (Diagr. F1) 66 68-69 Auto SCAVEM (Diagr. F2) 67 68-69 DC Shift Panel (Diagr. G) 70 70 VDAF Panel + 2nd Orders (Diagr. I) 71 72 Front Interface Panel (FL13) (Diagr. J) 73 74 Front Interface Panel (PV2) (Diagr. J) 75 76 HDMI: Panellink Receiver (Diagr. M1) 77 80-81 HDMI: Input Selection (Diagr. M2) 78 80-81 HDMI: Sync Selection & I/O Exp. (Diagr. M3) 79 80-81 Side I/O Panel (Diagr. O) 82 83 Top Control Panel (FL13) (Diagr. P) 84 85 Top Control Panel (PV2) (Diagr. P) 86 87

8. Alignments 89

9. Circuit Descriptions 98 Abbreviation List 112 IC Data Sheets 115

10 Spare Parts List (not applicable) 117 11 Revision List 118

Published by BB 0463 Service PaCE Printed in the Netherlands Subject to modification EN 3122 785 13980

EN 2 A02U AA1.

Technical Specifications, Connections, and Chassis Overview

1. Technical Specifications, Connections, and Chassis Overview

Index of this chapter:

1. Technical Specifications

2. Connections

3. Chassis Overview

Note: Figures below can deviate slightly from the actual situation, due to the different set executions.

1.1 Technical Specifications

1.1.1 Vision

Display type : DV-CRT-RF Screen size(s) : 26 inch - 16:9

: 27 inch - 4:3 : 30 inch - 16:9 : 32 inch - 4:3 : 34 inch - 16:9

Tuning system : PLL IF frequency : 45.75 MHz Color systems : NTSC M (3.58-4.5) Channel selections : 181 presets

: Full cable, UHF

Video playback : ATSC

: 480p : 1080i

Aerial input : 75 ohm, F-type

1.1.2 Sound

1.2 Connections

Note: The following connector color abbreviations are used (acc. to DIN/IEC 757): Bk= Black, Bu= Blue, Gn= Green, Gy= Grey, Rd= Red, Wh= White, Ye= Yellow.

1.2.1 Top Control and Front / Side Connections

TOP CONTROL (for PV2 styling)

VOLUME-+-+CHANNELMENU

TOP CONTROL (for FL13 styling)

VOLUME-+ -+CHANNELMENU

FRONT I/O

RED

IR LIGHT SENSOR

LED

(OPTIONAL)

Sound systems : BTSC DBX Maximum power : 2 x 10 W_rms (int.)

1.1.3 Miscellaneous

Mains voltage : 110 V_ac Mains frequency : 50 / 60 Hz Ambient temperature : +5 to +45 deg. C Maximum humidity : 90 % R.H.

Power consumption

- Normal operation : ≈ 159 W

- Standby : < 1 W

SIDE I/O

S-VIDEO

VIDEO

L AUDIO R

E_13950_006.eps

110304

Figure 1-1 Top control and Front / Side connections

Hosiden: SVHS - In

1 - Y Ground H 2 - C Ground H 3 - Y 1 V_pp / 75 ohm j 4 - C 0.3 V_pp / 75 ohm j

Audio / Video In

Ye -Video (CVBS) 1 V_pp / 75 ohm H Wh - Audio - L 0.2 V_rms / 10 kohm jq Rd - Audio - R 0.2 V_rms / 10 kohm jq

Mini Jack: Headphone - Out

- Headphone 32 - 600 ohm / 10 mW ot

Technical Specifications, Connections, and Chassis Overview

s 4

EN 3A02U AA 1.

1.2.2 Rear Connections

75 Ohm

CONNECTOR

AV5

VIDEO AUDIO HDMI

VIDEO

L/Mono

AUDIO

MONITOR

OUT

COMPONENT VIDEO INPUTSERVICE

AV4

AV1

AV2

Figure 1-2 Rear connections

Aerial In

- F-type Coax, 75 ohm D

Monitor Out

Ye -Video (CVBS) 1 V_pp / 75 ohm kq Wh - Audio - L 0.5 V_rms / 1 kohm kq Rd - Audio - R 0.5 V_rms / 1 kohm kq

AV1 In

Gn - Y 0.7 V_pp / 75 ohm jq Bu -Pb 0.7 V_pp / 75 ohm jq Rd - Pr 0.7 V_pp / 75 ohm jq Ye -Video (CVBS) 1 V_pp / 75 ohm jq Wh - Audio - L 0.5 V_rms / 10 kohm jq Rd - Audio - R 0.5 V_rms / 10 kohm jq

AV2 In

Ye -Video (CVBS) 1 V_pp / 75 ohm jq Wh - Audio - L 0.5 V_rms / 10 kohm jq Rd - Audio - R 0.5 V_rms / 10 kohm jq

S-VIDE

E_13950_001.ep

03030

AV2 In (SVHS)

1 - Ground GND H 2 - Ground GND H 3 - Y 1 V_pp / 75 ohm jq 4 - C 0.3 V_pp / 75 ohm jq

AV4 In (not used for 27/32MS series)

Wh - Audio - L 0.5 V_rms / 10 kohm jq Rd - Audio - R 0.5 V_rms / 10 kohm jq

HDMI (not used for 27/32MS series)

1 - RX2+ Data channel j 2 - GND Ground H 3 - RX2- Data channel j 4 - RX1+ Data channel j 5 - GND Ground H 6 - RX1- Data channel j 7 - RX0+ Data channel j 8 - GND Ground H 9 - RX0- Data channel j 10 - RXC+ Data channel j 11 - GND Ground H 12 - RXC- Data channel j 13 - n.c. 14 - n.c. 15 - DDC SCL DDC clock j 16 - DDC SDA DDC data jk 17 - GND Ground H 18 - +5V j 19 - HPD j 20 - GND Ground H 21 - GND Ground H 22 - GND Ground H 23 - GND Ground H 24 - GND Ground H

AV5 In

Gn - Y 0.7 V_pp / 75 ohm jq Bu -Pb 0.7 V_pp / 75 ohm jq Rd - Pr 0.7 V_pp / 75 ohm jq Wh - Audio - L 0.5 V_rms / 10 kohm jq Rd - Audio - R 0.5 V_rms / 10 kohm jq

1.3 Chassis Overview

CRT PANEL

SIDE I/O PANEL

SMALL SIGNAL BOARD

HDMI PANEL

Figure 1-3 PWB location

TOP CONTROL PANEL

LARGE SIGNAL PANEL

FRONT INTERFACE PANEL

DC SHIFT PANEL

(OPTIONAL)

VDAF + 2ND ORDERS

PANEL

E_13950_002.eps

270204

EN 4 A02U AA2.

Safety Instructions, Warnings, and Notes

2. Safety Instructions, Warnings, and Notes

2.1 Safety Instructions

Safety regulations require that during a repair:

• Due to the chassis concept, a very large part of the circuitry (incl. deflection) is 'hot'. Therefore, connect the set to the mains via an isolation transformer.

• Replace safety components, indicated by the symbol h, only by components identical to the original ones. Any other component substitution (other than original type) may increase risk of fire or electrical shock hazard.

• Wear safety goggles when you replace the CRT.

Safety regulations require that after a repair, you must return the set in its original condition. Pay, in particular, attention to the following points:

• General repair instruction: as a strict precaution, we advise you to re-solder the solder connections through which the horizontal deflection current is flowing. In particular this is valid for the:

1. Pins of the line output transformer (LOT).

2. Fly-back capacitor(s).

3. S-correction capacitor(s).

4. Line output transistor.

5. Pins of the connector with wires to the deflection coil.

6. Other components through which the deflection current

flows.

Note: This re-soldering is advised to prevent bad connections due to metal fatigue in solder connections, and is therefore only necessary for television sets more than two years old.

• Check the insulation of the mains cord for external damage.

• Check the strain relief of the mains cord for proper function, to prevent the cord from touching the CRT, hot components, or heat sinks.

• Check the electrical DC resistance between the mains plug and the secondary side (only for sets that have an isolated power supply). Do this as follows:

1. Unplug the mains cord and connect a wire between the

two pins of the mains plug.

2. Turn on the main power switch (keep the mains cord

unplugged!).

3. Measure the resistance value between the pins of the

mains plug and the metal shielding of the tuner or the aerial connection of the set. The reading should be between 4.5 MΩ and 12 MΩ.

4. Switch the TV 'off' and remove the wire between the

two pins of the mains plug.

• Check the cabinet for defects, to prevent the possibility of the customer touching any internal parts.

2.3 Warnings

• In order to prevent damage to ICs and transistors, avoid all high voltage flashovers. In order to prevent damage to the picture tube, use the method shown in Fig. 2-1, to discharge the picture tube. Use a high voltage probe and a multi-meter (position V_dc). Discharge until the meter reading is 0 V (after approx. 30 s).

Figure 2-1 Discharge picture tube

• All ICs and many other semiconductors are susceptible to electrostatic discharges (ESD, w). Careless handling during repair can reduce life drastically. Make sure that, during repair, you are connected with the same potential as the mass of the set by a wristband with resistance. Keep components and tools also at this potential. Available ESD protection equipment: – Complete kit ESD3 (small tablemat, wristband,

connection box, extension cable and ground cable) 4822 310 10671.

– Wristband tester 4822 344 13999.

• Together with the deflection unit and any multi-pole unit,

flat square picture tubes form an integrated unit. The deflection and the multi-pole units are set optimally at the factory. We do not recommend adjusting this unit during repair.

• Be careful during measurements in the high voltage section and on the picture tube.

• Never replace modules or other components while the unit is 'on’.

• When you align the set, use plastic rather than metal tools. This will prevent any short circuits and the danger of a circuit becoming unstable.

2.4 Notes

E_06532_007.eps

110204

2.2 Maintenance Instructions

We recommend a maintenance inspection carried out by qualified service personnel. The interval depends on the usage conditions:

• When a customer uses the set under normal circumstances, for example in a living room, the recommended interval is three to five years.

• When a customer uses the set in an environment with higher dust, grease, or moisture levels, for example in a kitchen, the recommended interval is one year.

• The maintenance inspection includes the following actions:

1. Perform the 'general repair instruction' noted above.

2. Clean the power supply and deflection circuitry on the

chassis.

3. Clean the picture tube panel and the neck of the picture

tube.

2.4.1 General

• Measure the voltages and waveforms with regard to the

chassis (= tuner) ground (H), or hot ground (I), depending on the tested area of circuitry.

• The voltages and waveforms shown in the diagrams are indicative. Measure them in the Service Default Mode (see chapter 5) with a color bar signal and stereo sound (L: 3 kHz, R: 1 kHz unless stated otherwise) and picture carrier at 475.25 MHz (PAL) or 61.25 MHz (NTSC, channel 3).

• Where necessary, measure the waveforms and voltages with (D) and without (E) aerial signal. Measure the voltages in the power supply section both in normal operation (G) and in standby (F). These values are indicated by means of the appropriate symbols.

• The picture tube panel has printed spark gaps. Each spark gap is connected between an electrode of the picture tube and the Aquadag coating.

Safety Instructions, Warnings, and Notes

EN 5A02U AA 2.

• The semiconductors indicated in the circuit diagram and in the parts lists, are interchangeable per position with the semiconductors in the unit, irrespective of the type indication on these semiconductors.

• Manufactured under license from Dolby Laboratories. ‘Dolby’, ‘Pro Logic’ and the ‘double-D symbol’, are trademarks of Dolby Laboratories.

Figure 2-2 Dolby Prologic

2.4.2 Schematic Notes

• All resistor values are in ohms and the value multiplier is often used to indicate the decimal point location (e.g. 2K2 indicates 2.2 kohm).

• Resistor values with no multiplier may be indicated with either an "E" or an "R" (e.g. 220E or 220R indicates 220 ohm).

• All capacitor values are expressed in micro-farads (µ= x 10^-6), nano-farads (n= x 10^-9), or pico-farads (p= x 10^-

12).

• Capacitor values may also use the value multiplier as the decimal point indication (e.g. 2p2 indicates 2.2 pF).

• An "asterisk" (*) indicates component usage varies. Refer to the diversity tables for the correct values.

• The correct component values are listed in the Electrical Replacement Parts List. Therefore, always check this list when there is any doubt.

To reflow the solder, apply a temperature profile according to the IC data sheet. So as not to damage neighboring components, it may be necessary to reduce some temperatures and times.

2.4.4 Practical Service Precautions

• It makes sense to avoid exposure to electrical shock.

While some sources are expected to have a possible dangerous impact, others of quite high potential are of limited current and are sometimes held in less regard.

• Always respect voltages. While some may not be

dangerous in themselves, they can cause unexpected reactions - reactions that are best avoided. Before reaching into a powered TV set, it is best to test the high voltage insulation. It is easy to do, and is a good service precaution.

• Before powering up the TV set with the back cover off

(or on a test fixture), attach a clip lead to the CRT DAG ground and to a screwdriver blade that has a well insulated handle. After the TV is powered "on" and high voltage has developed, probe the anode lead with the blade, starting at the case of the High Voltage Transformer (flyback - IFT). Move the blade to within two inches of the connector of the CRT. If there is an arc, you found it the easy way, without getting a shock! If there is an arc to the screwdriver blade, replace the part that is causing the problem; the High Voltage Transformer or the lead (if it is removable)

2.4.3 Rework on BGA (Ball Grid Array) ICs

General

Although (LF)BGA assembly yields are very high, there may still be a requirement for component rework. By rework, we mean the process of removing the component from the PWB and replacing it with a new component. If an (LF)BGA is removed from a PWB, the solder balls of the component are deformed drastically so the removed (LF)BGA has to be discarded.

Device removal

As is the case with any component that, it is essential when removing an (LF)BGA, the board, tracks, solder lands, or surrounding components are not damaged. To remove an (LF)BGA, the board must be uniformly heated to a temperature close to the reflow soldering temperature. A uniform temperature reduces the chance of warping the PWB. To do this, we recommend that the board is heated until it is certain that all the joints are molten. Then carefully pull the component off the board with a vacuum nozzle. For the appropriate temperature profiles, see the IC data sheet.

Area preparation

When the component has been removed, the vacant IC area must be cleaned before replacing the (LF)BGA. Removing an IC often leaves varying amounts of solder on the mounting lands. This excessive solder can be removed with either a solder sucker or solder wick. The remaining flux can be removed with a brush and cleaning agent. After the board is properly cleaned and inspected, apply flux on the solder lands and on the connection balls of the (LF)BGA. Note: Do not apply solder paste, as this has shown to result in problems during re-soldering.

Device replacement

The last step in the repair process is to solder the new component on the board. Ideally, the (LF)BGA should be aligned under a microscope or magnifying glass. If this is not possible, try to align the (LF)BGA with any board markers.

EN 6 A02U AA3.

OOKING

P THE

ELEVISION

combination antenna receives normal broadcast chan-

nels (VHF 2–13 and UHF 14–69). Your connection is

easy because there is only one 751 (ohm) antenna plug on

the back of your TV, and that’s where the antenna goes.

If your antenna has a round cable (75 ohm) on the end,

then you're ready to connect it to the TV.

If your antenna has flat, twin-lead wire (300 ohm), you

first need to attach the antenna wires to the screws on a

300- to 75-ohm adapter.

Push the round end of the adapter (or antenna) onto the

751 (ohm) plug on the back of the TV. If the round end of

the antenna wire is threaded, screw it down finger tight.

Plug the television in to the wall outlet and turn the TV

on.

Refer to the TUNER and AUTOPROGRAM features

within the Directions for Use. TUNER should be set to the

ANTENNA option. AUTOPROGRAM can be set to program

all the available channels on your antenna signal into the tele-

vision’s memory.

NTENNA

Antenna Connection:

Jack Panel

Back of TV

Power Plug

from back of TV

AC Power

Wall Outlet

Round 751

Coaxial Cable

from Antenna

Twin

Lead Wire

300 to 75-ohm

Adapter

Outdoor or Indoor Antenna

(Combination VHF/UHF)

The combination antenna receives normal

broadcast channels 2-13 (VHF) and 14-69 (UHF).

our Cable TV input into your home may be a single (75 ohm)

cable or use a cable box decoder. In either case the connec-

tion is very simple. Follow the steps below to connect your cable

signal to your new television.

Direct Cable Connections:

This connection will supply Stereo sound to the TV.

Connect the open end of the round Cable Company sup-

plied cable to the 751 inputon the TV. Screw it down finger

tight.

Cable Box (w/RF In/Outputs):

This connection will NOT supply Stereo sound to the TV. The sound

from the cable box will be mono.

Connect the open end of the round Cable Company sup-

plied cable to

the cable signal IN(put) plug on the back of

the Cable Box.

Using a separate round coaxial cable, connect one end to the

OUT(put) (TO TV) plug on the back of the Cable Box.

Connect the other end of the round coaxial cable to the

751 input on the back of the television. Screw it down finger

tight.

NOTE: Be sure to set the OUTPUT CHANNEL SWITCH on the

back of the cable box to CH 3 or 4, then tune the cable box on the

TV to the corresponding channel. Once tuned, change channels at

the cable box, not the television.

Cable Box (w/Audio/Video Outputs):

This connection will supply Stereo sound to the TV.

Connect the open end of the round Cable Company sup-

plied cable to

the cable signal IN(put) plug on the back of

the Cable Box.

Using a RCA type Video Cable, connect one end of the

cable to the Video (or ANT, your cable box may be labeled

differently) Out jack on the cable box and the other end to the

AV1 Video Input on the TV.

Using a RCA type Audio Left and Right Cable,connect one

end to the left and right Audio Out L& R jacks on the

cable box. Connect the other end to the AV1 Audio L & R

Input jacks on the TV.

NOTE: Use the AV button on the TV remote control to tune to the

AV1 channel for the cable box signal. Once tuned, change channels at

the cable box, not the television. Pressing the AV button repeatedly

will scroll all the AV Input channels, including the presently tuned

channel.

ABLE

Direct Cable Connection:

Cable Box with RF Inputs and Outputs Connection:

Cable signal

coming from

Cable Company

(Round 751

coaxial cable)

Jack Panel Back of TV

Jack Panel Back

of Cable Box

Cable Signal

IN from the

Cable

Company

Round 751

Coaxial Cable

Jack Panel Back of TV

Cable Box with Audio/Video Outputs Connection:

Cable Signal IN

from the Cable

Company

Jack Panel Back

of Cable Box with A/VOutputs

Jack Panel Back of TV

Audio Cables

L & R (Red, White)

Video Cable (Yellow)

Output Channel Switch

Model 26PW8402/37 will not have HDMI Inputs, it is

only available in the 30PW8402/37, 34PW8402/37,

30PW8502/37, and the 34PW8502/37.

3121 233 45861

Quick Use and Hookup Guide

Important Notice/Warning . . . . . . . . . . . . . . . . . . . . .1

Basic TV Operation . . . . . . . . . . . . . . . . . . . . . . . . . .1

Remote Battery Installation . . . . . . . . . . . . . . . . . . .1

Remote Control Button Descriptions . . . . . . . . . . . .1

Hooking up the Television

Basic Cable/Cable Box TV Connections . . . . . . . . .2

Basic Antenna TV Connections . . . . . . . . . . . . . . . .2

AV1 Input Connections . . . . . . . . . . . . . . . . . . . . . .3

AV2 Input Connections . . . . . . . . . . . . . . . . . . . . . .3

S-Video Input Connection . . . . . . . . . . . . . . . . . . . .3

Component Video Input Connections . . . . . . . . . . .3

AV4 Input Connection . . . . . . . . . . . . . . . . . . . . . . .4

Monitor Output Connections . . . . . . . . . . . . . . . . . .4

Side (AV3) Audio/Video Input Connection . . . . . . .4

IMPORTANT

NOTE: This owner's manual is used with several

different television models. Not all features (and

drawings) discussed in this manual will necessarily

match those found with your television set. This is

normal and does not require that you contact your

dealer or request service.

WARNING: TO PREVENTFIRE OR SHOCK

HAZARD DO NOT EXPOSE THIS UNIT TO

RAIN OR EXCESSIVE MOISTURE.

Color TV

ONTENTS

ASIC

AND

EMOTE

PERATION

our television has a set of controls located on the top and front

of the cabinet for use when the remote control is not needed.

Press the POWER button on the front of the TV cabinet to turn

the TV ON.

Note: With AutoChron ON, the TV will search for a PBS chan-

nel to set the clock before powering itself on. This can take sev-

eral seconds.

Press the VOLUME + button to increase the sound level orthe

VOLUME - button to lower the sound level.

Pressing both buttons at the same time will display the

onscreen menu for models 26PW8402/37, 30PW8402/37, and

34PW8402/37. Press the menu button on top of the set for mod-

els 30PW8502/37 and 34PW8502/37. After you are in the menu,

use the Volume + or - buttons to make adjustments or selections.

Press the CHANNEL+ (Up) or- (DOWN) button to select

TV channels. Use these buttons to make adjustments or selec-

tions in the onscreen menu.

There is also a set of Audio and Video Input jacks located on the side of

the television cabinet. Refer to the Side AV3 Input section on page 4 of

this Quick Use and Hookup Guide.

ELEVISION

Remote Sensor

Window

Audio, Video, S-Video

and Headphone Jacks

located on the side of

the television.

Volume and Channel buttons are located

on the top of the television cabinet.

o load the supplied batteries into the remote:

Remove the battery compartment door on the back of

the remote.

Place the batteries (2-AA) in the remote. Make sure the (+)

and (–) ends of the batteries line up correctly (the inside of

the case is marked).

Reattach the battery compartment door.

Be sure to point the remote at the Remote Sensor window on the

front of the television when using it to operate the television.

EMOTE

ONTROL

ATTERIES

EMOTE

ONTROL

UTTONS

Select (VCR DVD SATAMP ACC) -

Press to set the TV

this button to cycle

across the accessory mode dial. Stop pressing when the mode you desire is lighted. The

light will stay on for 2 seconds and then begin blinking to indicate the remote is in your

desired mode. Once the mode is selected, you must press a button within 60 seconds

for the remote to remain in the selected mode or it will default back to the TV mode.

SLEEP Button -

Press to set the TV to automatically turn itself OFF at a given amount

of time.

(

)

Button -

Press repeatedly to select the different signal sources connected to the

A/V inputs on the TV.

SOUND Button -

Press to select an AutoSound™ control. Choose from four factory-set

controls (Speech, Music, Movie, and Multimedia) and a PERSONAL to tailor the TV

sound to enhance the particular type of program you are watching.

ACTIVE CONTROL

(

)

Button -

Press repeatedly to toggle the Active Control to

ON , Display Logo, Display On, and Off. When ON, the sharpness and noise reduction

will be continuously monitored.

Cursor Buttons (Left, Right, Up, Down) -

Press these buttons to highlight, select,

and adjust items on the TV's onscreen menu. Also, press the left or right cursor buttons to

adjust the picture format.

Menu (Select) Button -

Press for the onscreen menu to appear. Pressing the menu but-

ton after menu selections are made will eliminate the menu from the display.

Volume (+) or(–) Buttons -

Press to adjust the TV sound level.

Number Buttons -

Press the number buttons to select TV channels. When selecting sin-

gle-digit channels, press the number of the desired channel. The TV will pause for a few

seconds and then tune to the selected channel. (Note: You can press 0, then the number

also.) For channels 100 and above, first press 1then the next two numbers of the desired

channel.

SMILEY Button -

Press to add channels in the “QuadraSurf” lists. Works with all col-

ored buttons.

Rec(ord)/SAP Button -

Press to start the recording of a videotape. Also, this button

activates or deactivates the SAP feature (if available).

(Virtual Dolby) Button -

Press to set various factory Surround Sound listening

modes.

PIC(TURE) SIZE Button -

Press to adjust the picture format.

NOTE:

These buttons are dedicated to the PIP feature within certain models. This TV

does not contain these PIP features, therefore these buttons will have no functionality when

pressed.

Power Button -

Press to turn the TV ON and OFF.

CC/

Button -

Press to select Closed Captioning options within the menu. Also, press

this button to being playback of a prerecorded video.

(Pause) Button -

Press to pause the viewing of a prerecorded video. The picture

will freeze on the screen until the Play or Pause buttons are pressed again.

Clock/

Button -

Press the CLOCK button to access the onscreen Clock menu.

Also, press this button to Fast Forward a prerecorded tape.

Picture Button -

Press to select an AutoPicture™ control. Choose from four factory-

set controls (MOVIES, SPORTS, WEAK SIGNAL, and MULTI MEDIA) and a PER-

SONAL control that you set according to your own preferences through the onscreen

PICTURE menu. The four factory-set controls will tailor the TV picture so as to

enhance the particular type of program you are watching, or to improve the picture of a

program that has a weak signal.

OK Button -

Press to activate selection when programming remote control.

Status/Exit Button -

Press to see the current channel number on the TV screen. Also

press to clear the TV screen after control adjustments.

Mute Button -

Press to turn the TV sound OFF. Press again to return the sound to its

previous level.

Channel (+) or (–) Buttons -

Press to change the tuned channel.

FROWNIE Button -

Press to delete channels in the “QuadraSurf” lists. Works with all

colored buttons.

QuadraSurf™ Buttons -

(Red, Green, Yellow, Blue) Allows you to store and surf

up to 10 channels you choose for each colored button.

Program List Button -

Press to display a list of channel numbers and their names

(See pages 26 for proper setup). Each channel will appear as a selectable menu item.

The current channel will be highlighted by default. Only five channels will be shown

onscreen at one time; press the CURSOR UPor CURSOR DOWN button to scroll the

list and highlight a channel. Press the CURSOR RIGHT button to tune to the highlight-

ed channel. Channels marked “Skipped” in the “Channel Edit” control will not appear in

the list. Each channel that is being blocked by AutoLock™ will appear with a padlock

icon to indicate that the channel is not viewable.

TV/VCR (A/CH) Button -

TV/VCR – Press while in the VCR mode (the VCR

indicator on the front of the VCR will light) to view the playback of a tape. Press again

to place in the TV position (the VCR indicator light will go off) to view one program

while recording another program. A/CH – Press to toggle between the currently viewed

channel and the previously viewed channel.

FREEZE Button -

Press to freeze the picture on the TV screen. Press a second time to

resume normal viewing. The signal being received during the time the picture is frozen will

be lost. When the picture is unfrozen, the video will return to real time broadcast.

Remote Control

(shown from the bottom)

CHANNEL

–

VOLUME

–

POWER

ACTIVE CONTROL

Audio, Video, S-Video

and Headphone Jacks

located on the side of

the television.

Example Models:

26PW8402/37

30PW8402/37

34PW8402/37

Example Models:

30PW8502/37

34PW8502/37

Note: Some models may show the

remote control with the PIP feature

buttons labeled, there is no need to

call the call center or to return the

product to the store.

3. Direction for Use

Direction for Use

–

CHANNEL

–

VOLUME

POWER

CLOCK

PICTURE

SATVCR AMP ACCDVD

POWER

Select

ACTIVE

CONTROL

SLEEP

SOUND

STATUS

EXIT

MUTE

VOL CH

SELECT

A/CH

MAIN

TV/VCR

FREEZE

LIST

PROGRAM

QuadraSurf

REC

SAP

PIC SIZE

Direction for Use

OOKING

THE

ELEVISION

he Monitor (Audio/Video) out jacks are great for recording

with a VCR or used to connect an external audio system for

better sound reproduction.

For Audio System Connection:

Connect one end of the R(ight) and L(eft) AUDIO

(Monitor Out)jacks on the TVto the R and L audio input

jacks on your amplifier or sound system. Set the audio sys-

tem’s volume to a normal listening level.

Turn the TVand audio system ON. You can now adjust

the sound level coming from the audio system with the

VOLUME (+) or (–) button on the TV or remote control.

For Second VCR Connection/Recorder:

NOTE: Refer to the previous page for the proper hookup of the

first VCR. Follow the instructions on how to tune to the AV 1

channel to view a pre-recorded tape.

The following steps allow you to connect a second VCR to

record the program while your watching it.

Connect one end of the yellow Video Cable to the

Monitor outVIDEO plug. Connect the other end to the

VIDEO IN plug on the second VCR.4Connect one end of the red and white Audio cable from

the MonitoroutAUDIO L and R plugs on the TV to the

AUDIO IN plugs on the VCR.5Turn the Second VCR ON,insert a black VHS tape and

it’s ready to record what’s being viewed on the TVscreen.

ONITOR

UTPUTS

JACKPANEL

Located on the back of the TV

AUDIOCABLES

(Red & White)

AUDIOSYSTEM

with AUDIO INPUTS

AVOUT

AUDIOL(eft) and R(ight)

JACKPANEL

Located on the back of the TV

AUDIOCABLES

(Red & White)

FIRSTVCR

(accessory device)

(Hookup from AV1 on previous page.)

MonitorOUT

VIDEO&AUDIO

L(eft) and R(ight)

SECOND VCR

VIDEOCABLE

(Yellow)

Audio System Connection

Second VCR Connection/Recorder

IDE

(AV3) A

UDIO

IDEO

NPUTS

udio and Video Side Inputs are available for a quick connec-

tion of a VCR, to playback video from an accessory device.

Connect the video (yellow) cable from the Video output

on the accessory device to the Video (yellow) Input located

on the SIDE of the TV.2Connect the audio cable (red and white) from the Audio

Left and Right Outputs on the accessory device to the

Audio Left and right Inputs on the SIDE of the television.

Turn the TV and the accessory device ON.

Press the AV button on the remote control to tune the TV

to the side input jacks. “AV3” will appear on the TV

screen.

Press the PLAY

䊳

button on the accessory device to

view playback, or to access the accessory device (camera,

gaming unit, etc.).

STATUS

SELECT

Jack Panel located

on the Side of TV

Jack Panel

of Accessory Device

Video Cable

(yellow)

Audio Cables

(red & white)

Optional

Headphones

When headphones re used the sound coming

from the TV speakers will be mute.

he AV4 Input Jacks provide HDMI Inputs at 1080i, for accessories

like HD Receivers.

Connect an HD Reviver to the HDMI Input:

Please refer to your Receiver’s Owner’s Manual for more detailed

hookup options.

If using a Satellite Dish, Cable signal or Antenna signal, con-

nect the 751 round cable from a Satellite Dish to the SATEL-

LITE IN and/or the Cable and Antenna signals to the ANTEN-

NA “A” or “B” IN on the back of the HD Receiver.

Connect another 751round cable from the OUT TO TV

jack on the HD Receiver to the 751 IN on the back of the TV.

Connect a HDMI cable from the HDMI OUT on the HD

Receiver to the AV4 HDMI Input jack on the back of the TV.4Connect the Audio L(eft) and R(ight) cables from the

AUDIO Outputs on the HD Receiver to the AV4 AUDIO

Inputs on the back of the TV.5With both the HD Receiver and the television ON, Press the

AVbutton on the remote to tune to the AV4 Channel and view

the video input from the HDMI supplied signal.

he AV5 Input Jacks provide Component Video Inputs for acces-

sories like Digital Video Players.

Connecting a Digital device using the COMPONENT VIDEO

Inputs:

Connect the Component (Y, Pb, Pr) Video OUTjacks from

the DVD player (or similar device) to the (Y, Pb, Pr) AV5

in(put) jacks on the TV.2Connect the red and white AUDIO CABLES to the Audio

(left and right) output jacks on the rear of the accessory device

to the Audio (Land R) AV5 in(put) jacks on the TV.3Turn the TVand the DVD (or digital accessory device) ON.

Press the AV button on the remote to tune to the AV5 channel.5Press the PLAYbutton on the DVD (or digital accessory

device) to view the program on the television.

AV 4 I

NPUTS

QuadraSurf

AV5 Component Video Connection

AV4 HDMI Connection

Coaxial Cable

Lead-in from

Satellite Dish

Coaxial Cable Lead-in

from Alternate RF

Signal Source

Coaxial Cable Lead-in

from Cable Outlet,

Converter Box, or

VHF/UHF Antenna

AV 5 I

NPUTS

Model

26PW8402/37 will

not have HDMI

Inputs, it is only

available in the

30PW8402/37,

34PW8402/37,

30PW8502/37, and

the 34PW8502/37.

This TV’s side jack also has an S-Video input. This

can be used instead of the Video cable.

OOKING

P THE

ELEVISION

QuadraSurf

omponent Video inputs provide for the highest possible color

and picture resolution in the playback of digital signal source

material, such as with DVD players. The color difference signals

(Pb, Pr) and the luminance (Y) signal are connected and received

separately, which allows for improved color bandwidth informa-

tion (not possible when using composite video or S-Video connec-

tions).

Connect the Component (Y, Pb, Pr) Video OUTjacks

from the DVD player (or similar device) to the (Y, Pb, Pr)

in(put) jacks on the TV. When using the Component Video

Inputs, it is best not to connect a signal to the AV1 in Video

Jack.2Connect the red and white AUDIO CABLES to the

Audio (left and right) output jacks on the rear of the acces-

sory device to the Audio (L and R) AV1 in Input Jacks on

the TV.3Turn the TVand the DVD (or digital accessory device)

ON.4Press the AV button to scroll the available channels until

CVI appears in the upper left corner of the TV screen.5Insert a DVD disc into the DVD player and press the

PLAY

䊳

button on the DVD Player.

OMPONENT

IDEO

NPUTS

The description for the component video connectors may differ depending on the DVD player or accessory

digital source equipment used (for example, Y, Pb, Pr; Y, B-Y, R-Y; Y, Cr, Cb). Refer to your DVD or dig-

ital accessory owner’s manual for definitions and connection details.

ELPFUL

INT

he TV’s audio/video input jacks are for direct picture and

sound connections between the TV and a VCR (or similar

device) that has audio/video output jacks. Both the AV1 and AV2

Input Jack connections are shown to the right, but either one can be

connected alone. Follow the easy steps below to connect your acces-

sory device to the AV1 and AV2 in Jacks located on the back of the

TV.

Connect the VIDEO (yellow) cable to the VIDEO AV1 in

(or AV2 in) jack on the back of the TV.2Connect the AUDIO (red and white) cables to the

AUDIO (left and right) AV1 in(or AV2 in) jacks on the

rear of the TV.

Connect the VIDEO (yellow) cable to the VIDEO OUT

jack on the back of the VCR (either one or two) or acces-

sory device being used.

Connect the AUDIO (red and white) cables to the

AUDIO (left and right) OUT jacks on the rear of the VCR

(either one or two) or accessory device being used.

Turn the VCR (eitherone or two) or accessory device

and the TV ON.6Press the AV button on the remote control to select the

AV1 channel for accessory device number one, or the AV2

channel for accessory device number two. AV1 or AV2 will

appear in the upper left corner on the TV screen depending

on the channel chosen.

With either of the VCRs (or accessory devices) ON and a

prerecorded tape (CD, DVD, etc.) inserted, press the

PLAYbutton to view the tape on the television.

AV1 & AV2 I

NPUTS

Note: The Audio/Video cables needed for this connection are not supplied with your TV. Please contact

your dealer or Philips at 800-531-0039 for information about purchasing the needed cables.

HECK

AUDIO IN

(RED/WHITE)

VCR TWO (or accessory device)

(EQUIPPED WITH VIDEO AND

AUDIO OUTPUT JACKS)

VIDEO IN

(YELLOW)

BACK OF VCR 1

BACK

OF TV

AV1

Connection

AV2

Connection

VCR ONE (or accessory device)

(EQUIPPED WITH VIDEO AND

AUDIO OUTPUT JACKS)

AUDIO CABLES

(RED/WHITE)

COMPONENT

VIDEO CABLES

(Green, Blue, Red)

BACK OF TV

ACCESSORYDEVICE

EQUIPPED WITH COMPO-

NENTVIDEO OUTPUTS.

The CVI connection will be dom-

inate over the AV1 in Video

Input. When a Component Video

Device is connected as described,

it is best not to have a video sig-

nal connected to the AV1 in

Video Input jack.

BACK OF VCR 2

AUDIO IN

(RED/WHITE)

VIDEO IN (YELLOW)

he S(uper)-Video connection on the rear of the TVcan provide

you with better picture detail and clarity for the playback of

accessory sources than the normal antenna picture connections.

NOTE: The accessory device must have an S-VIDEO OUT(put)

jack in order for you to complete the connection on this page.

Connect one end of the S-VIDEO CABLE to the S-

VIDEO jack on the back of the TV. Then connect one end

the AUDIO (red and white) CABLES to the AV2 in

AUDIO L and R(left and right) jacks on the rear of the TV.2Connect other end of the S-VIDEO CABLE to the S-

VIDEO OUT jack on the back of the VCR. Then connect

the other ends of the AUDIO (red and white) CABLES to

the AUDIO (left and right) OUT jacks on the rear of the

VCR.

Turn the VCR and the TV ON.4Press the AV button on the remote to scroll the channels

until AV2 appears in the upper left corner of the TV screen.

Press the SELECT Button on the remote control to select

the VCR accessory.

Now your ready to place a prerecorded video tape in the

VCR and press the PLAY

䊳

button

S-V

IDEO

NPUTS

The S-VIDEO and VIDEO AV2

in(puts) are in parallel. The S-

VIDEO input is dominant when

in use. If separate video signals

are connected to the S-VIDEO

and VIDEO AV2 in(puts), the

signal from the VIDEO AV2

in(put) will not be usable.

Note: The S-Video and Audio

cables needed for this connection

are not supplied with your TV.

Please contact your dealer or

Philips at 800-531-0039 for

information about purchasing the

needed cables.

ELPFUL

INT

AUDIO CABLE

(RED/WHITE)

VCR

(EQUIPPED WITH

S-VIDEO JACKS)

S-VIDEO

CABLE

BACK OF VCR

OUT

ANTENNA

OUTOUT

Coaxial Cable

Converter Box,

or VHF/UHF Antenna

Lead-in from Cable Outlet,

ANTENNA A

ANTENNA B

S-VIDEO

VIDEOAUDIO

OUT TO TV

VCR

CONTROL

PHONE JACK

OUTPUT

DIGITAL AUDIO

ACCESS CARD

CLOCK

CCAV

SATVCR AMP ACCDVD

POWER

Select

ACTIVE

SLEEP

SATELLITE

STATUS

EXIT

PICTURE

MUTE

CONTROL

VOL CH

SOUND

SELECT

Signal Source

from Alternate RF

Coaxial Cable Lead-in

Lead-in from

Satellite Dish

Coaxial Cable

AV5

OUT

AUDIO

OUT

VIDEO

OUT

S-VIDEO

COMP VIDEO

STATUS

EXIT

CLOCK

PICTURE

CCAV

SATVCR AMP ACCDVD

Select

ACTIVE

SLEEP

MUTE

CONTROL

VOL CH

SOUND

SELECT

AUX/TV INPUT

PHONO INPUT

VIDEO

IN UDIO A

AUDIO

OUT OUT

VIDEO

OUT

ANTENNA

VIDEO

AUDIO

S-VIDEO

AV3

POWER

EN 7A02U AA 3.

S-VIDEO

VIDEOAUDIO

LEFT RIGHT

CLOCK

PICTURE

SATVCR AMPACCDVD

Select

ACTIVE

CONTROL

SLEEP

SOUND

STATUS

CLOCK

PICTURE

SATVCR AMPACCDVD

POWER

Select

ACTIVE

CONTROL

SLEEP

SOUND

EXIT

MUTE

VOL CH

SELECT

A/CH

MAIN

TV/VCR

FREEZE

LIST

PROGRAM

QuadraSurf

REC

SAP

PIC SIZE

AV2

STATUS STATUS

EXIT EXIT

H H

MUTE MUTE

VOL CH VOL CH

MENU MENU

SELECT SELECT

POWER

CLOCK CLOCK

CCAV CC

SATVCR AMP ACCDVD SATVCR AMP ACCDVD

Select Select

ACTIVE ACTIVE

SLEEP SLEEP

4 4

PICTURE PICTURE

CONTROL CONTROL

SOUND SOUND

A/CH A/CH

TM TM

PROGRAM PROGRAM

QuadraSurf QuadraSurf

REC REC

MAIN MAIN

TV/VCR TV/VCR

FREEZE FREEZE

LIST LIST

SOURCE

PIP

ON/OFF

SAP SAP

PIC SIZE PIC SIZE

STATUS

CLOCK

PICTURE

SATVCR AMP ACCDVD

POWER

Select

ACTIVE

CONTROL

SLEEP

SOUND

EXIT

SELECT

MUTE

VOL CH

EN 8 A02U AA4.

Mechanical Instructions

4. Mechanical Instructions

Index of this chapter:

1. Service connector

2. Set Disassembly

3. Service Positions

4. Assies / Panels Removal

5. Set Reassembly

Note: figures below can deviate slightly from the actual situation, due to the different set executions.

4.1 Service Connector (for ComPair)

For service diagnostics with ComPair, it is not necessary to disassemble the set. You only have to connect the ComPair interface box via the appropriate cable, to the service connector on the rear of the set (see figure "Rear connections" in chapter "Technical specifications, ..."), and start the program

(see also chapter "Service Modes .... ").

E_13950_011 .eps

030304

4.2 Set Disassembly

Follow the disassemble instructions in described order.

4.2.1 Rear Cover Removal

Warning: disconnect the mains power cord before you remove

the rear cover.

For PV2 styling (for 8402 and 8302 sets)

1. Manually unlock and remove the two plastic cover cups (1) (if present) on the top of TV.

2. Remove all the fixation screws of the rear cover.

3. Remove the rear cover.

Figure 4-2 Rear cover (for FL13 styling)

Figure 4-3 Opening

E_13950_012 .eps

100304

E_13950_010.eps

030304

Figure 4-1 Rear cover (for PV2 styling)

For FL13 styling (for 8502 sets)

1. Remove all screws. If you do not remove them, you cannot access the clips.

2. Tilt the set a little forward, so that you can release the two clickfit clamps that are located at the bottomplate of the set.

3. Four openings (1) can be found at the top. The openings are very small (2). Note: Some sets only have the two inner openings.

4. Underneath every opening there is a clip. Push this clip down with a very thin piece of metal (3), until you hear a click. Caution: do not use a screwdriver, this will damage the cabinet.

5. When all four clips are pushed down, the back cover can be removed.

Figure 4-4 Pushing clips down

E_13950_013.eps

030304

Mechanical Instructions

EN 9A02U AA 4.

4.3 Service Positions

This chassis has several predefined service positions, for better accessibility. They are explained below in more detail.

4.3.1 Large Signal Panel (LSP)

Service position 1 - Component Side of the LSP

For better accessibility of the LSP, do the following (see Figure "Service position 1"):

1. Remove the LSP-bracket from the bottom tray by pulling it backwards.

2. Hook the bracket in the first row of fixation holes of the bottom tray. In other words, reposition the bracket from (1) to (2).

4.4 Assies/Panels Removal

Sometimes, it can be necessary to swap a complete assy or Printed Wiring Board (PWB). How that can be done is explained below.

4.4.1 Top Control Assy/Panel

1. Remove the two fixation screws: – PV2 styling: assy is mounted into the front cabinet; – FL13 styling: assy is mounted into the rear cover.

2. Push the assy a little bit upwards, and then pull it

backwards to release it from the front hinge.

3. Lift the panel from its bracket, while releasing the four fixation clamps.

4.4.2 Side I/O Assy and Panel

E_13950_007.eps

100304

Figure 4-5 Service position 1

Service position 2 - Solder Side of the LSP

To get access to the bottom side (solder side) of the LSP, do the following (see figure above):

1. Remove the DC-Shift assy (1) (see paragraph "DC-Shift Assy/Panel" below).

2. Release the Front interface assy from the bottom plate (2) (see paragraph "Top Control Assy/Panel" below).

3. Disconnect the degaussing coil from the LSP. Therefore remove the cable from the connector 1502 .

4. Release some wiring from their fixation clamps, in order to get room for repositioning the LSP.

5. Flip the LSP 90 degrees clockwise (3), and place it vertically on the bottom plate and a table.

E_14480_050.eps

Figure 4-7 Side-I/O assy/panel

1. Remove the two fixation screws, and remove the complete Side I/O assembly.

2. Release the two fixation clamps, and lift the panel from the bracket.

4.4.3 HDMI Assy/Panel Removal

170204

E_13950_009.eps

040304

Figure 4-8 HDMI assy/panel

E_13950_004.eps

030304

Figure 4-6 Service position 2

EN 10 A02U AA4.

Mechanical Instructions

1. Remove the fixation screw (1) (if present).

2. Release the two pegs (2), by pushing them towards CRT.

3. At the same time, pull the complete module away from the

LSP bracket (3). It hinges in the LSP bracket.

4. Remove the four fixing screws (4), and remove the panel.

4.4.4 Front Interface Assy/Panel

122

Figure 4-9 Front Interface assy/panel

1. Remove the two fixation screws (1).

2. Remove the complete module from the bottom plate, by

pulling the two fixation clamps upward (2), while sliding the module away from the CRT (3).

3. Release the two clamps (4) at the sides of the bracket and lift panel out (it hinges at one side).

4.4.5 VDAF Assy/Panel

E_13950_005.eps

270204

To get access to the SSB test points, do the following:

1. Put the LSP in service position 1 (as described above).

2. Remove the fixation screws, which hold the SSB-bracket

(1).

3. Release the clamping jaw at the top of the SSB bracket (2) and (3).

4. Push the two clamping lugs outwards, and pull the top of the bracket at the same time upwards (4) and (5).

5. Now you can remove the complete bracket. Push it, at the height of the LSP-bracket, towards the CRT (6) and lift it out of the LSP-bracket (7).

6. Take the SSB out, disconnecting it from the LSP.

Figure 4-11 Small signal board

Notes:

• For better access to the SSB, it is possible to order an "extension tool" with cables. You can use this service extension tool to connect a Small Signal Board (SSB) of an Axx or EMx chassis, via two "IDE" cables to the SIMM connector in the set. In this way, you can service the SSB more easily outside the TV set. You can order this tool under 12nc: 9965 000 14526.

• If necessary for the measurement, you can put the LSP in the "service position 2" (as described above).

E_13950_003.eps

030304

Figure 4-10 VDAF assy/panel

1. Remove the fixation screw (1) (if present).

2. Push down the fixation clamp (2), and pull the complete

bracket at the same time away from the CRT (3). The module is now free from the LSP-bracket.

3. Release the two clamps (4) at the sides of the bracket and lift panel out.

4.4.6 Small Signal Board (SSB)

In fact, there is no predefined service position for the SSB. Most test points are located on the A-side (side that is facing the tuner). If you have to replace ICs, you must take the complete SSB module out of the SIMM-connector.

E_13950_014.eps

040304

4.4.7 Large Signal Panel (LSP)

1. Remove the HDMI assy (see paragraph "HDMI assy/panel above).

2. Remove the SSB (see paragraph "Small Signal Board (SSB)" above).

3. Disconnect the necessary cables.

4. Remove the fixation screw, which is located nearby the

SIMM-connector.

5. Release the fixation clamps on the left of the LSP-bracket (the panel hinges at the right side).

6. Remove the panel from the bracket.

4.5 Set Re-assembly

To re-assemble the whole set, do all processes in reverse order.

Note: be sure that, before the rear cover is mounted:

• The mains cord is mounted correctly in its guiding brackets.

• All wires/cables are returned in their original positions. This

is very important due to the large "hot" area of the set

Service Modes, Error Codes, and Fault Finding

5. Service Modes, Error Codes, and Fault Finding

EN 11A02U AA 5.

Index of this chapter:

1. Test points

2. Service Modes

3. Problems and solving tips (related to CSM)

4. ComPair

5. Error Codes

6. The blinking LED procedure

7. Protections

8. Repair tips

9. Software downloading

5.1 Test Points

See chapter 6 " Block Diagrams, Test point Overview, and Waveforms".

Perform measurements under the following conditions:

• Service Default Mode.

• Video: color bar signal.

• Audio: 3 kHz left, 1 kHz right.

5.2 Service Modes

Service Default Mode (SDM) and Service Alignment Mode (SAM) offer several features for the service technician, while the Customer Service Mode (CSM) is used for communication between a Philips Customer Care Center (P3C) and a customer.

There is also the option of using ComPair, a hardware interface between a computer (see requirements below) and the TV chassis. It offers the ability of structured troubleshooting, test pattern generation, error code reading, software version readout, and software upgrading. Minimum requirements: a Pentium processor, Windows 95/ 98, and a CD-ROM drive (see also paragraph "ComPair").

5.2.1 Service Default Mode (SDM)

Purpose

• To create a pre-defined setting, to get the same measurement results as given in this manual.

• To override SW protections (only when SDM is entered via shorting the SDM pins on the SSB).

• To start the blinking LED procedure.

• Inspection of error buffer, life timer, and software version.

Specifications

• Tuning frequency: 61.25 MHz (channel 3).

• Color system: NTSC M.

• All picture settings at 50 % (brightness, color, contrast).

• All sound settings at 50 %, except volume at 25 %.

• All service-unfriendly modes (if present) are disabled, like: – (Sleep) timer. – Child/parental lock. – Blue mute. – Automatic volume limiter (AVL). – Auto switch-off (when no video signal was received for

10 minutes).

– Skip/blank of non-favorite pre-sets. – Hotel or hospital mode. – Local keyboard block. – Smart modes. – Auto store of personal presets. – Auto user menu time-out.

How to enter SDM

Use one of the following methods:

• Use the standard RC-transmitter and key in the code "062596", directly followed by the "MENU" button. Note: It is possible that, together with the SDM, the main menu will appear. To switch it "off", push the "MENU" button again.

• Short circuit, during switch "on" of the set, the two solder pads on the SSB with the indication "FOR SERVICE". These solder pads are located at the "tuner" side of the SSB (just above the large BGA IC). Caution: If the SDM is entered via these pins, all the software-controlled protections are de-activated for 15 s. When these 15 s are expired, the set will shutdown to protection mode.

• Use the DST-emulation feature of ComPair.

• Use the "DEFAULT" button on the Dealer Service Tool

(RC7150).

After entering this mode:

• "SDM" will appear in the upper right corner of the screen.

• Also, the error buffer, operating hours, and software

version are displayed (can be toggled "on/off" with the "STATUS / OSD / [i+]" button).

• Blinking LED procedure will be started.

• All software-controlled protections are overridden for 15 s.

When these 15 s are expired, the set will shutdown to protection mode.

Contents of SDM:

• HRS. Displays the accumulated total of operation hours (not the standby hours) in a hexadecimal value.

• SW ID. Displays the date of the software and the software version of the ROM Example: A02EB1_1.00 = AAABBC-X.YY.

– AAA= chassis name. – BB= region and/or function name: E= Europe, A= Asia

Pacific, U= NAFTA, L= LATAM, B= Basic, T= Top, P= PAL, N= NTSC, S= Stereo, M= Mono.

– C= the language cluster number. – X.Y= the software version, where X is the main version

number (different numbers are not compatible with one another) and Y is the sub version number (a higher number is always compatible with a lower number).

• ERR (followed by maximal 8 errors). The most recent error is displayed at the upper left (for an error explanation see paragraph "Error Codes").

How to navigate

• When you press the "MENU" button on the RC transmitter, the set will toggle between the SDM and the normal user menu (with the SDM mode still active in the background).

• When you press the "STATUS" button on the RC transmitter, the set will toggle only display "SDM". This mode is useful when performing measurements, then the OSD info will not generate interference.

How to exit SDM

Use one of the following methods:

• Switch the set to STANDBY via a standard customer RCtransmitter (the error buffer is erased).

• Via a standard customer RC-transmitter: key in "00"sequence (the error buffer is not erased).

5.2.2 Service Alignment Mode (SAM)

Purpose

• To perform alignments.

• To change option settings.

• To easily identify the used software version.

EN 12 A02U AA5.

Service Modes, Error Codes, and Fault Finding

• To view operation hours.

• To display / clear the error code buffer.

Specifications

• Operating hours counter.

• Software version.

• Option settings.

• Error buffer reading and erasing.

• Software alignments.

• Disable service unfriendly modes.

How to enter SAM

Use one of the following methods:

• Via a standard RC transmitter: key in the code "062596" directly followed by the "STATUS" button.

• Use the DST-emulation feature of ComPair.

• Press the "ALIGN" button on the DST while the set is in the

normal operation

After entering this mode, "SAM" will appear in the upper right corner of the screen.

Contents of SAM:

• HRS. Displays the accumulated total of operation hours (not the standby hours) in a hexadecimal value Note: every time the set is switched "on" by the AC power switch or the RC, the timer is increased by 0.5.

• SW ID. Displays the date of the software and the software version of the ROM (example: A02UB1-1.00 = AAABBCX.YY).

– AAA= chassis name. – BB= region and/or function name: E= Europe, A= Asia

Pacific, U= NAFTA, L= LATAM, B= Basic, T= Top, P= PAL, N= NTSC, S= Stereo, M= Mono.

– C= the language cluster number. – X.Y= the software version, where X is the main version

number (different numbers are not compatible with one another) and Y is the sub version number (a higher number is always compatible with a lower number).

• ERR (followed by maximal 8 errors). The most recent error is displayed at the upper left (for an error explanation see paragraph "Error Codes").

• OPTIONS. Extra feature for Service to set the Option Codes.

• CLEAR ERRORS. When you press the "OK" button, the error buffer is reset.

• AKB. Disable (off) or enable (on) the "black current loop" (AKB= Auto Kine Bias). For Vg2 alignment.

• TUNER. This will activate the "TUNER" alignments submenu.

• WHITE TONE. This will activate the "WHITE TONE" alignments sub-menu.

• GEOMETRY. This will activate the "GEOMETRY" alignments sub-menu.

• SOUND. This will activate the "SOUND" alignments sub- menu.

• SMART SETTINGS. This will activate the "SMART SETTINGS" alignments sub-menu.

• STORE. This will save the new settings/alignments.

• EEPROM TEST. This will report if the SW checksum is OK.

Convenient after SW upgrading.

• VID RAM TEST. This will check the continuity of the address bus and data bus of the Video RAM.

• VG2. This feature is not implemented yet. Do not use.

Note: Alignments are described in chapter 8 "Alignments".

How to navigate

• In SAM, you can select the menu items with the "CURSOR UP/DOWN" key on the RC-transmitter. The selected item will be highlighted. When not all menu items fit on the screen, move the "CURSOR UP/DOWN" key to display the next/previous menu items.

• With the "CURSOR LEFT/RIGHT" keys, it is possible to:

– (De) activate the selected menu item. – Change the value of the selected menu item. – Activate the selected submenu.

• When you press the "MENU" button on the RC transmitter,

the set will toggle between the SAM and the normal user menu (with the SAM mode still active in the background).

How to exit SAM

Use one of the following methods:

• Switch the set to STANDBY via the RC-transmitter (the error buffer is erased).

• Via a standard customer RC-transmitter: key in "00"sequence (the error buffer is not erased).

5.2.3 Customer Service Mode (CSM)

Purpose

When a customer is having problems with his TV-set, he can call his dealer or the Philips helpdesk (P3C). The service technician can than ask the customer to activate the CSM, in order to identify the status of the set. Now, the service technician can judge the severity of the complaint. In many cases, he can advise the customer how to solve the problem, or he can decide if it is necessary to visit the customer. The CSM is a read only mode; therefore, modifications in this mode are not possible.

How to enter CSM

Key in the code "123654" via the standard RC transmitter. Note: set must be in "Widescreen" mode (via button "PIC SIZE" on the remote control)

Notes:

• Activation of the CSM is only possible if there is no (user) menu on the screen!

• During CSM, sound volume is set to 25% of the scale, "Smart Sound" is set to "Theatre" mode, and "Smart Picture" is set to "Rich/Movies" mode temporarily to ensure a good picture and sound of the working set. After leaving CSM, the original settings are restored.

How to navigate

By means of the "CURSOR-DOWN/UP" knob on the RCtransmitter, you can navigate through the menus.

Contents of CSM

The following information is displayed on screen:

• Text "CSM" on the first line.

• Line number for every line (to make CSM language

independent).

• Option code information.

• Configuration information.

• Service-unfriendly modes.

CSM 1

1. SET TYPE (if displayed). Type/model number according to the Philips standard.

2. SOFTWARE. Software version AAABBC-X.YY.

3. HOURS ON. Operating hours (in hexadecimal).

4. CODE 1. Shows the contents of the error buffer (the word

"error" may not be used on this screen, instead "codes" is used).

5. CODE 2. Shows the contents of the error buffer (the word "error" may not be used on this screen, instead "codes" is used).

6. OPTION 1. Option code information (for more details see chapter 8 "Alignments").

7. OPTION 2. Option code information (for more details see chapter 8 "Alignments").

8. OPTION 3. Option code information (for more details see chapter 8 "Alignments").

9. OPTION 4. Option code information (for more details see chapter 8 "Alignments").

Service Modes, Error Codes, and Fault Finding

EN 13A02U AA 5.

10. SIGNAL. State of the "ident" signal.

11. TIMER (if present). State of the timer (in "FEATURE"

menu).

CSM 2

1. CHANNEL (if present). State of the Child Lock.

2. PRESET (if present). State of the Current channel.

3. HOTELMODE (if present). Shows if the HOTEL mode is

activated.

4. SOURCE. Selected source before entry of CSM.

5. SOUND. Selected SOUND mode prior entry to CSM.

6. VOLUME. Volume level before entry of CSM.

7. BALANCE. Balance level before entry of CSM.

8. BRIGHTNESS. Brightness level before entry of CSM.

9. COLOR. Color level before entry of CSM.

10. CONTRAST. Contrast level before entry of CSM.

11. HUE (if present). Hue level before entry of CSM.

How to exit CSM

Use one of the following methods:

• After you press a key on the RC-transmitter (with exception of the "CHANNEL", "VOLUME" and digit (0-9) keys), or

• After you switch the TV-set "off" with the AC power switch.

• After 15 min. no RC or local keyboard actions.

5.3 Problems and Solving Tips (related to CSM)

Note: Below described problems are all related to the TV

settings. The procedures to change the value (or status) of the different settings are described above. New value(s) are automatically stored.

5.3.1 Picture Problems

Picture too dark

1. Press SMART PICTURE several times on the RC. In case the picture improves, increase the "Brightness" or the "Contrast" value.

2. Check in CSM lines BRIGHTNESS and/or CONTRAST. If the value of line BRIGHTNESS is low (< 10) or the value of line CONTRAST is low (< 10), increase them. The new value(s) are automatically stored (in "personal" pre-set) for all TV channels.

Picture too bright

1. Press SMART PICTURE several times on the RC. In case the picture improves, decrease the "Brightness" or the "Contrast" value.

2. Check in CSM lines BRIGHTNESS and/or CONTRAST. If the value of line BRIGHTNESS is high (> 40) or the value of line CONTRAST is high (> 50), decrease the "Brightness" or the "Contrast" value. The new value(s) are automatically stored (in "personal" pre-set) for all TV channels.

White line around picture elements and text

1. Press SMART PICTURE several times on the RC. In case the picture improves, decrease the "Sharpness" value.

2. Check in CSM line SHARPNESS. Decrease the "Sharpness" value. The new value is automatically stored for all TV channels. The new value is automatically stored (in "personal" pre-set) for all TV channels.

No picture

Check in CSM line 7. In case this line shows NO SIGNAL, check the aerial cable/aerial system.

Blue picture

No proper signal is received. Check the aerial cable/aerial system.

Blue picture and/or unstable picture

A scrambled or decoded signal is received.

Black and white picture

Check in CSM line COLOR. In case the value is low (< 10), increase the "Color" value. The new value is automatically stored for all TV channels.

No colors/color lines around picture elements or colors not correct or unstable picture

1. Check in CSM line SYSTEM. If a "strange" system pops up, something has gone wrong during installation. Reinstall the channel.

Menu text not sharp enough

1. Press "SMART PICTURE". In case picture improves, decrease the "Contrast" value. The new value(s) are automatically stored for all TV channels.

2. Check in CSM line CONTRAST. If the value of this line is high (> 50), decrease the "Contrast" value.

5.3.2 Sound Problems

No sound from left and right speaker

Check in CSM line VOLUME. If the value is low, increase the value of "Volume". The new value(s) are automatically stored (in "personal" pre-set) for all TV channels.

Sound too loud for left and right speaker

Check in CSM line VOLUME. If the value is low, decrease the value of "Volume". The new value(s) are automatically stored (in "personal" pre-set) for all TV channels.

5.4 ComPair

5.4.1 Introduction

ComPair (Computer Aided Repair) is a service tool for Philips Consumer Electronics products. ComPair is a further development on the European DST (service remote control), which allows faster and more accurate diagnostics. ComPair has three big advantages: ComPair helps you to quickly get an understanding on how to repair the chassis in a short time by guiding you systematically through the repair procedures. ComPair allows very detailed diagnostics (on I2C level) and is therefore capable of accurately indicating problem areas. You do not have to know anything about I2C commands yourself because ComPair takes care of this. ComPair speeds up the repair time since it can automatically communicate with the chassis (when the microprocessor is working) and all repair information is directly available. When ComPair is installed together with the SearchMan electronic manual of the defective chassis, schematics and PWBs are only a mouse click away.

5.4.2 Specifications

ComPair consists of a Windows based faultfinding program and an interface box between PC and the (defective) product. The ComPair interface box is connected to the PC via a serial (or RS232) cable. For this chassis, the ComPair interface box and the TV communicate via a bi-directional service cable via the service connector.

The ComPair faultfinding program is able to determine the problem of the defective television. ComPair can gather diagnostic information in two ways:

• Automatic (by communication with the television): ComPair can automatically read out the contents of the entire error buffer. Diagnosis is done on I2C level. ComPair

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Service Modes, Error Codes, and Fault Finding

can access the I2C bus of the television. ComPair can send and receive I2C commands to the micro controller of the television. In this way, it is possible for ComPair to communicate (read and write) to devices on the I2C busses of the TV-set.

• Manually (by asking questions to you): Automatic

diagnosis is only possible if the micro controller of the television is working correctly and only to a certain extends. When this is not the case, ComPair will guide you through the faultfinding tree by asking you questions (e.g. Does the screen give a picture? Click on the correct answer: YES / NO) and showing you examples (e.g. Measure test-point I7 and click on the correct oscillogram you see on the oscilloscope). You can answer by clicking on a link (e.g. text or a waveform picture) that will bring you to the next

step in the faultfinding process. By a combination of automatic diagnostics and an interactive question / answer procedure, ComPair will enable you to find most problems in a fast and effective way.

Beside fault finding, ComPair provides some additional features like:

• Up- or downloading of pre-sets.

• Managing of pre-set lists.

• Emulation of the Dealer Service Tool (DST).

• If both ComPair and SearchMan (Electronic Service

Manual) are installed, all the schematics and the PWBs of

the set are available by clicking on the appropriate

hyperlink.

Example: Measure the DC-voltage on capacitor C2568

(Schematic/Panel) at the Mono-carrier.

– Click on the "Panel" hyperlink to automatically show

the PWB with a highlighted capacitor C2568.

– Click on the "Schematic" hyperlink to automatically

show the position of the highlighted capacitor.

5.4.3 Stepwise Start-up

This is realized via ComPair and is very helpful when a protection is activated (see also chapter "Protections"). Under normal circumstances, a fault in the power supply, or an error during start-up, will switch the television to protection mode. ComPair can take over the initialization of the television. In this way, it is possible to distinguish which part of the startup routine (hence which circuitry) is causing the problem. Take notice that the transition between two steps can take some time, so give the set some time to reach a stable state. During the transition time, the LED can blink strangely.

On entering Service mode, protections and other errors can be trapped by powering the TV in stepwise fashion as explained below. The "stepwise start-up" mode is done in the specified sequence. Before entering this mode, all the protections are disabled and are only enabled step-by-step, to trap the errors more appropriately.

The following steps are involved.

Step 0: Standby.

• Pre-condition: The set is in protection mode.

• Post-condition: The set is switched to the stepwise start-up

mode. Only the necessary Standby Supply is present, all

other supplies are switched "off".

Step 1: Power "on".

• Pre-condition: All protections are disabled, sound

amplifiers are muted, and general initialization is done.

• Post-condition: 8V and 5V supplies are "on". Degaussing

is "on" and switched "off" after 3 s. The supply fault

protections are enabled.

Step 2: Initialized.

• Pre-condition: Step 1 is done. No supply protection faults

are detected.

• Post-condition: ADOC, MPIF, and Tuner components are

initialized.

Step 3: Deflection "on".

• Pre-condition: Step 2 is done. No protection faults detected.

• Post-condition: Deflection is switched "on". The horizontal deflection fault protections are enabled.

Step 4: TV "on".

• Pre-condition: Step 3 is done. No protection faults detected.

• Post-condition: Picture tube is switched "on". Sound amplifiers are demuted. The X-ray/beam current fault protections are enabled.

Note: When the set is in stepwise mode and, due to steppingup, a protection is activated, the set will really go into protection (blinking LED). The set will not leave the stepwise-mode however. If state X is the state where the set went to protection, stepwise start-up will return to state X-1. At state (X-1) diagnostic measurements can be performed. Also, in the short time, the set is in state X but not in protection, you can also do some measurements.

5.4.4 How To Connect

1. First, install the ComPair Browser software (see the Quick Reference Card for installation instructions).

2. Connect the RS232 interface cable between a free serial (COM) port of your PC and the PC connector (marked with "PC") of the ComPair interface.

3. Connect the AC power adapter to the supply connector (marked with "POWER 9V DC") of the ComPair interface.

4. Switch the ComPair interface "off".

5. Switch the television set "off" with the AC power switch.

6. Connect the ComPair interface cable between the

connector on the rear side of the ComPair interface (marked with "I2C") and the ComPair connector at the rear side of the TV (for its location see figure "Top view LSP" in chapter "Alignments").

7. Plug the AC power adapter in a AC power outlet, and switch the interface "on". The green and red LEDs light up together. The red LED extinguishes after approx. 1 second while the green LED remains lit.

8. Start the ComPair program and read the "Introduction" chapter.

TO SERVICE CONNECTOR

PC VCR I2CPower

Figure 5-1 ComPair Interface connection

9V DC

E_06532_008.eps

190204

Service Modes, Error Codes, and Fault Finding

EN 15A02U AA 5.

5.4.5 How To Order

ComPair order codes:

• ComPair Software: ST4191.

• ComPair Interface Box: 4822 727 21631.

• AC Adapter: T405-ND.

• ComPair Quick Start Guide: ST4190.

Note: If you encounter any problems, contact your local support desk.

5.5 Error Codes

5.5.1 Introduction

The error code buffer contains all detected errors since the last time the buffer was erased. The buffer is written from left to right, new errors are logged at the left side, and all other errors shift one position to the right. When an error has occurred, the error is added to the list of errors, provided the list is not full or the error is a protection error. When an error occurs and the error buffer is full, then the new error is not added, and the error buffer stays intact (history is maintained), except when the error is a protection error. To prevent that an occasional error stays in the list forever, the error is removed from the list after 50+ operation hours. When multiple errors occur (errors occurred within a short time span), there is a high probability that there is some relation between them.

5.5.2 How to read the Error Buffer

Use one of the following methods:

• On screen via the SAM (only if you have a picture). Examples:

– 0 0 0 0: No errors detected – 6 0 0 0: Error code 6 is the last and only detected error – 9 6 0 0: Error code 6 was first detected and error code

9 is the last detected error

• Via the blinking LED procedure (when you have no picture). See next paragraph.

• Via ComPair.

5.5.3 How to clear the Error Buffer

Use one of the following methods:

• By activation of the "CLEAR ERRORS" command in the SAM menu.

• With a normal RC, key in sequence "MUTE" followed by "062599" and "OK".

• When you transmit the commands "DIAGNOSE" - "99" "OK" with ComPair (or with a DST).

• If the content of the error buffer has not changed for 50+ hours, it resets automatically.

5.5.4 Error Codes

Error codes are required to indicate failures in the TV set. In principle a unique error is available for every:

• I2C device error.

• I2C bus error (for every bus containing two or more I2C

devices).

• Protection error (e.g. +8V protection or Horizontal protection).

• Error not related to an I2C device, but of importance (e.g. BC-loop, RAM error).

Table 5-1 Error Code Table

Error Description

0 No error 1 Horizontal Protection (via NOHFB bit in ADOC) 3 +8V error (missing/protection active by checking

MPIF ASUP bit))

4 X-ray/High beam current protection signal (via

XPROT bit in ADOC) 5 Hardware Protection is active 7 Under-voltage protection 11 MPIF I2C communication failure / MPIF test failed 12 BC-loop not stabilised within the time limit (i.e. after

timer is expired) 13 NVM I2C communication failure 14 Main tuner I2C failure UV13xx 15 HDMI Panel Link Receiver 17 3D Combfilter I2C communication failure 18 PIP Tuner I2C failure 21 PIP IF demodulator IC TDA988x communication

failed (only for PIP/DW sets) 22 Flash over protection error (to register CRT flash-

overs, via FPR bit in ADOC)

Service tips:

• In case of non-intermittent faults, clear the error buffer before you begin the repair. This to ensure that old error codes are no longer present. Before clearing the buffer, write down the content, as this history can give you significant information.

• If possible, check the entire contents of the error buffer. In some situations, an error code is only the result of another error code and not the actual cause (e.g., a fault in the protection detection circuitry can also lead to a protection).

5.6 The Blinking LED Procedure

5.6.1 Introduction

Via this procedure, you can make the contents of the error buffer visible via the front LED. This is especially useful for fault finding, when there is no picture.

When the SDM is entered, the front LED will show (blink) the contents of the error-buffer. Error-codes > 10 are shown as follows:

1. A long blink of 750 ms (which is an indication of the decimal digit),

2. A pause of 1500 ms,

3. "n" short blinks (where "n" = 1 - 9),

4. When all the error-codes are displayed, the sequence

finishes with a LED blink of 3000 ms,

5. The sequence starts again.

Example: Error 12 9 6 0 0. After activation of the SDM, the front LED will show:

1. 1 long blink of 750 ms (which is an indication of the decimal digit) followed by a pause of 1500 ms,

2. 2 short blinks of 250 ms, followed by a pause of 3000 ms,

3. 9 short blinks of 250 ms, followed by a pause of 3000 ms,

4. 6 short blinks of 250 ms, followed by a pause of 3000 ms,

5. 1 long blink of 3000 ms to finish the sequence,

6. The sequence starts again.

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Service Modes, Error Codes, and Fault Finding

5.6.2 How to Enter

Use one of the following methods:

• Enter the SDM (only via soldering pads marked "FOR SERVICE" on the SSB). The blinking front LED will show the entire contents of the error buffer (this works in "normal operation" mode and in "protection" mode). In order to avoid confusion with RC5 signal reception blinking, this LED blinking procedure is terminated when an RC5 command is received.

• Transmit the commands "MUTE", "06250x", and "OK" with a normal RC (where "x" is the position in the error buffer that has to be displayed). With x= 1, the last detected error

is shown, x= 2 the second last error, etc.... When x= 0, all

errors are shown.

• "DIAGNOSE X" with the DST (where "x" is the position in the error buffer that has to be displayed). With x= 1, the last

detected error is shown, x= 2 the second last error, etc....

When x= 0, all errors are shown.

Note: It can take some seconds before the blinking LED starts.

5.7 Protections

5.7.1 Introduction

Fault protections are introduced to avoid unacceptable temperature rising and burning hazards. If a fault situation is detected, an error code will be generated and if necessary, the set is put in protection mode. The protection mode is indicated by the blinking of the front LED at a frequency of 3 Hz (or by a coded blinking in special cases). For the customer, it is made impossible to switch "on" the set during a protection. It is possible to determine the type of fault by interpreting the blinking pattern of the LED indicator. It is also possible to read out the error codes from the NVM via ComPair. It is possible to de-activate the protection states in Service Default Mode.

The following protections are implemented:

Table 5-2 Protections overview

Protection Detection

method

Under Voltage Via ADC (KB) ADC (KB) ADC input +8V Supply Via MPIF_IRQ ASUP MPIF internal

Horizontal

Via interrupts NOHFB ADOC internal

fly-back X-ray Via interrupts XPROT ADOC internal

Beam Current Via interrupts BCF ADOC internal

Flash Hardware ctrl - Hardware Arc Hardware ctrl - Hardware Vertical Hardware ctrl - Hardware East/West Hardware ctrl - Hardware Bridge coil Hardware ctrl - Hardware

The protections are split up in the following order:

• I2C related protections.

• ADOC related protections (via polling on I/O pins or via

algorithms).

• DOP related protections (mainly for deflection items).

• Hardware errors that are not sensed by the OTC (e.g.

vertical flyback protection, bridge coil protection, E/W protection, arcing protection).

All faults detected are re-checked five times before the protection mode is triggered. It should be noted that supply

Bit name Detection

fault detection/protection must be enabled only after the chassis power supply has been established. Likewise, after the line drive starts, the deflection detection/protection must be enabled. To prevent false activation of protection mode during power mode transitions, interrupts related to supply fault and deflection fault are disabled.

5.7.2 I2C Related Protections

In normal operation, some registers of the I2C controlled ICs are refreshed every 200 ms. During this sequence, the I2C busses and the I2C ICs are checked. An I2C protection will take place if the SDA and SCL lines are short-circuited to ground, or to each other. An I2C error will also occur, if the power supply of the IC is missing.

5.7.3 ADOC Related Protections

If a protection is detected at an ADOC input, the uP will start to scan all protection inputs every 200 ms for five times. If the protection on one of the inputs is still active after 1 s, the microprocessor will put the set in the protection mode. Before the scanning is started, a so-called "ESD refresh" is carried out. This is done, because the interrupt on one of the inputs is possibly caused either by a flash or by ESD. As a flash or ESD can influence IC settings, the key ICs are initialized again, to ensure the normal picture and sound conditions of the set.

Under Voltage Protection

The under voltage protection is needed due to the non-isolated chassis architecture used in A02. Whenever there is a short circuit in the Deflection yoke coil or in the Audio power supply, the averaged Horizontal Flyback Voltage (HFB_XRAY_PROT) will fall. After signal conditioning, this voltage is fed to the "KEYBOARD_ADC" input. When this input of the MIPS controller is less than a certain level, the under voltage protection is activated. This is done by the normal keyboard polling mechanism. The protection mode is activated after five consecutive occurrences. Response time required is 2 s. This is to avoid set going to under voltage protection mode during start up, since the HFB will only be stable w.r.t. mains on for about 1.6 s.

-Ve Switch

+Ve

Switch

MPIF

FLASH

When hor. Defl. coil or sound amp

BCL

s/c, HFB will drop at <16Vpp level.

The switch will put ADC keybd to low.

NOHFB

XPROT

ADC KEYBOARD

MPIF IRQ

HFB_X-RAY-

<16Vp-p

EHT-INFO

Signal

conditioning

-Ve

Threshold

+8V

Threshold

Signal

conditioning

Inverter

Voltage

divider

Figure 5-2 Under Voltage Protection

+8V Protection

Hardware is employed for the detection of +8V supply fault. A hardware interrupt (MPIF-IRQ) is generated by the MPIF when the +8V supply falls below the IC specification. To avoid false detection, the corresponding interrupt sub routine checks the status of "ASUP" bit in the MPIF status register for five times consecutively with an interval of 200 ms before triggering the protection mode. Response time required is 1.2 s.

MIPS CORE

ADOC

DOP

E_13950_016.eps

040304

Service Modes, Error Codes, and Fault Finding

-Ve

Threshold

+Ve

+8V

Threshold

Signal

conditioning

Inverter

Voltage devider

ASUP

HFB_X-RAY-

EHT-INFO

Signal

conditioning

-Ve

Threshold

Figure 5-3 +8V Protection

5.7.4 DOP Related Protections

The uP reads every 200 ms the status register of the DOP (via the I2C bus). If a protection signal is detected on one of the inputs of the DOP, the relevant error bit in the register is set to "high". If this error bit is still "high" after 1 s, the OTC will store the error code in the error buffer of the NVM and, depending on the relevancy of the error bit, the set will either go into the protection mode or not.

Horizontal Fly Back Protection

Hardware is employed for the detection of a horizontal deflection fault. The DOP core generates a hardware interrupt when consecutive three horizontal flyback pulses are not received at the HFB input of the DOP block of the ADOC IC. To avoid false detection, the corresponding interrupt sub routine checks the status of "NOHFB" status bit in the DOP core for five times consecutively with an interval of 50 ms before triggering the protection mode. The response time for this protection needed is 300 ms.

-Ve

Threshold

+Ve

Threshold

Signal

conditioning

Inverter

Voltage divider

+8V

MPIF

HFB_X-RAY-

EHT-INFO

Signal

conditioning

-Ve

Threshold

Figure 5-4 Horizontal Fly Back Protection

X-Ray Protection (Over Voltage, USA only)

Hardware is employed for the detection of X-ray fault. A hardware interrupt is generated by the DOP core when the "XPROT" input of ADOC IC is pulled "HIGH" (flyback pulses are > 27 V_pp). To avoid false detection, the corresponding interrupt sub routine checks the status of "XPROT" bit in DOP core for five times consecutively with an interval of 50 ms before triggering the protection mode. It should be noted that the "XPROT" status is not reset on reading. It should be cleared by the software explicitly.

Switch

Detection by MPIF. ASUP status bit will set to High if +8V falls below threshold level.

Switch

MPIF

Switch

Consecutively check for 5 cycles

FLASH

for the presence of flyback pulses

BCL

NOHFB

Switch

XPROT

ADC KEYBOARD

MPIF IRQ

FLASH

BCL

NOHFB

XPROT

MIPS CORE

ADC KEYBOARD

MPIF_IRQ

E_13950_017.eps

ADOC

DOP

MIPS CORE

E_13950_015.eps

ADOC

DOP

040304

Once the XRAY protection status is confirmed, the "PRD" bit has to be set to "1" by software. This enables an automatic stop of the H-out via Slow Stop initiated by auto-clearing the DFL bit. Now, the protection mode is activated.

-Ve

+Ve

MPIF

Switch

FLASH

If EHT is too high at defined level,

BCL

the switch will set XPROT to High

NOHFB

XPROT

Switch

ADC KEYBOARD

MPIF IRQ

(over voltage).

MIPS CORE

HFB_X-RAY-

>27Vp-p

EHT-INFO

Signal

conditioning

-Ve

Threshold

+8V

Threshold

Signal

conditioning

Inverter

Voltage

divider

Figure 5-5 X-Ray Protection

Beam Current Protection

A hardware interrupt is generated by the DOP core when the current at the BCL input of the ADOC IC exceeds the limit. To avoid false detection, the corresponding interrupt sub routine checks the status of "BCF" bit in DOP core for five times consecutively with an interval of 50 ms before triggering the protection mode. Once the BCL protection status is confirmed, the "PRD" bit has to be set to "1" by software. This enables an automatic stop of the H-out via Slow Stop initiated by autoclearing the "DFL" bit. Now, the protection mode is activated.

When beam current is too high, at defined level and will set BCL input to=<1.2V, e7365. This bit is checked for 5 consecutive cycles to ensure not caused by other defect

FLASH

(i.e flash-over).

BCL

NOHFB

XPROT

Switch

ADC KEYBOARD

MPIF IRQ

MIPS CORE

HFB_X-RAY-

EHT-INFO

Signal

conditioning

-Ve

Threshold

+8V

-Ve

Threshold

+Ve

Threshold

Signal

conditioning

Inverter

Voltage

divider

MPIF

Switch

Figure 5-6 Beam Current Protection

Flash Protection

Flash detection is used to shutdown the set only if the Flash occurs more than five times and is persistent. Therefore, this is a method to protect the set from undue electrical stress because of picture tube flashes. The flash detector circuitry uses the "EHT_INFO" signal as input. Its output is connected to the "FLASH" input of the DOP block of the ADOC. When the "FLASH" input is pulled "HIGH", the ADOCs horizontal drive output stops immediately and the "FPR" status bit of the DOP core is set to "1". The status is latched until readout. With the absence of any other disturbances, the horizontal drive output will restart after the "FLASH" input is "LOW" again. No software interaction is required in this case. The "FPR" bit has to be readout by polling at an interval of 500 ms. If the "FPR" status bit has been set to "1" for more than five times consecutively, then the protection mode is triggered. Setting the "FPR" bit for less than five times by the "FLASH" input does not trigger the protection mode (shutting down of the H-drive is enough).

ADOC

DOP

ADOC

DOP

EN 17A02U AA 5.

E_13950_018.eps

040304

E_13950_019.eps

040304

EN 18 A02U AA5.

Service Modes, Error Codes, and Fault Finding

HFB_X-RAY-

EHT-INFO

Signal

conditioning

-Ve

Threshold

+8V

-Ve

Threshold

+Ve

Threshold

Signal

conditioning

Inverter

Voltage divider

MPIF

Switch

Figure 5-7 Flash Protection

5.7.5 Hardware Related Protections

Due to the architecture (read: "hot" deflection), some protections cannot be sensed by the microprocessor. These protections will lead to a protection on set level (Standby mode and blinking LED).

Arc Protection

If there are "open" connections (e.g. bad solder joints) in the high-energy deflection circuitry, this can lead to damaging effects (read: fire). For that reason, the E/W current is sensed (via 3479//3480). If this current becomes too high, the "thyristor" circuit (TS7653 and TS7654) is triggered. TS7442 is switched "on" and TS7443 is forced into conduction. The "SUPENABLE" signal is shorted now to ground level, which will force the Main Power Supply to Standby mode. This prevents further arcing.

FLASH

BCL

NOHFB

XPROT

MIPS CORE

ADC KEYBOARD

MPIF_IRQ

E_13950_020.eps

ADOC

DOP

040304

5.8 Repair tips

5.8.1 Miscellaneous

The relay you hear when you switch the set "on" (from Standby or via the AC power switch), is from the degaussing circuitry. It is not used for switching the Power Supply (as done in the MGchassis).

• Where the circuitry was too "crowded" for service printing, you can find the correct location on the "test point overviews" in this manual.

• A very large part of the LSP is "hot", such as: – The primary part of the Standby Supply. – The whole Main supply (except for the secondary

Audio supply).

– And the complete deflection circuitry (so notice that the

deflection coil is hot!).

5.8.2 Start-up/Shut-down Sequence

For a detailed description, see chapter 9 " Circuit Descriptions, Abbreviation List, and IC Data Sheets".

5.8.3 ComPair

This chassis does not have an IR transmitting LED (as in MGsets). Therefore, a "Service" (ComPair) connector is implemented at the rear side of the set, which is directly accessible. In addition to this, there is also a blinking LED procedure to show the contents of the error buffer.

When you use ComPair, you have the possibility to activate a "stepwise start-up" mode. With this mode, you can initiate the start-up sequence step by step. This also means that in certain steps, some protections are not activated. This is sometimes very convenient during repair.

5.8.4 Protections

Vertical Protection

If the frame stage generates no pulses, TS7641 will block. TS7443 is now switched "on", which will lead to Standby mode. Therefore, in normal operation condition, TS7641 and TS7652 are conducting, while TS7443 is blocked.

EW protection

Several faults in the defection circuit can cause excessive currents through MOSFET 7480. The temperature of this device can become too high, causing an unsafe situation. The power supply is shut down in the above-mentioned way. Caution: All hardware deflection protections can be disabled by interrupting R3403 on the LSP. However, be careful: unsafe situations (heat) can occur or the picture tube can be destroyed.

Bridge coil protection

According safety regulations, every coil may be short-circuited. By doing this in the secondary winding of coil L5422, high currents will flow in the winding. With no safety circuit, the coil will begin to burn soon. This is sensed via the "EW" signal going to the base of TS7652 (via R3495 and D6499). In a normal situation, the voltage on C2498 (diagram A4) is high and TS7652 is conducting. When bridge coil 5422 (diagram A3) is short circuited, the voltage on C2498 changes to low, which will block TS7652. In this case, also TS7641 will block and the voltage on 2642 will rise until TS7443 is forced in conduction. The "SUP-ENABLE" signal (in normal operating condition -20 V) is shorted now to ground level, which will force the Main Power Supply to Standby mode. Note: Maximum EW width settings can also cause a protection.

Activating SDM via the "service pads" will overrule the processor-controlled protections, but not the hardware protections. Caution: When doing this, the service technician must know what he is doing, as it could lead to damaging the set.

The "ARC"- and/or "BRIDGECOIL" protection are hardly ever triggered, however:

• When you suspect the "ARC" protection, look for bad solder joints and smell. By interrupting resistor 3497, this protection is disabled (special attention needed!).

• When you suspect the "BRIDGECOIL" protection, which can also be due to a too wide picture amplitude, shorten G and S of the E/W MOSFET 7480. This will disable the protection. You will now have minimal horizontal amplitude. Re-align the horizontal amplitude in the SAM menu and remove the G/S short of TS7480.

Service Modes, Error Codes, and Fault Finding

EN 19A02U AA 5.

5.8.5 Main Supply

1. Replace FET 7504 and zener 6505.

2. Disconnect the SSP panel.

3. Short B and E of TS7529, in order to put the Main Supply

in "on"-mode (TS7529 is blocking then). Caution: To prevent that R3403 and TS7443 will be damaged, first disable the HW-protection of the deflection circuit. Therefore, short-circuit C2642 on the LSP (diagram A4).

4. Attach a load of 500 ohm to the V_BAT capacitor C2515 (the supply can not work without a minimum load).

5. Use a variac, and slowly increase the V_MAINS. Measure over sensing resistors R3514//15, if a nice sawtooth voltage becomes available.

6. Also, measure the V_BAT. This may never exceed +141 V. If it does, there is something wrong in the feedback circuitry (e.g. regulator 7506).

Note: Be careful when measuring on the gate of FET TS7504. This circuitry is very high ohmic and can easily be damaged

Table 5-3 Repair tips

Phenomenon Possible Cause Repair tip

No picture, no LED. Standby Supply defective. Measure circuitry (see diagram A2). Start at test-point A19.When the Mains switch is "on", this voltage

No picture, LED blinking at 3 Hz. Set is in protection due to various

No picture, LED blinking with code 8-8-8etc or 9-9-9-etc.

No picture, LED blinking with code 13-1313-etc.

No picture, no sound. Set is making audible squeaking sound

No picture, no sound. Front LED works fine Supply does not work correctly. If e.g. V_BAT is only about 90 V, it is possible that the regulator IC (7506) is defective. No RC-reception. Front LED does not

echo RC-commands. Relay (degaussing) is not audible, when

set is switched from "off" or "standby" to "on".

Picture is rotated. Rotation circuitry (if present) on

Picture is continuously switching "off" and "on", showing heavy "switch" spots (set does not go into protection).

Picture is not sharp. Focus is possibly mis-aligned or

Picture is distorted. Check video-path in Service Default

No menu, no OSD. Probably a defective uP (ADOC). No Teletext. IC7730 defective or not powered. Check circuitry around IC7730 on diagram B13. Strange switch "off" behaviour TS7445 possibly defective. Check, with a multi-meter, whether transistor TS7445 is well functioning. (diagram A3). Various symptoms, due to missing local

supply voltage.

causes. For error codes see errorcode list.

No communication on slow I2C- or fast I2C-bus.

No communication on NVM-I2C bus to the uP.

Supply is possibly in hiccup-mode, which is audible via a squeaking supply transformer.

uP circuitry or RC-receiver is defective.

uP is not working correctly. When line "DEGAUS" is low, the degaussing must be activated.

diagram A5, or related supply to it, malfunctions.

200 V is missing on CRT panel. Probably a bad connection from LSP connector 1424 to CRT connector 1424 (diagram F), or an

SCAVEM-circuitry does not work correctly.

Mode.

An interrupted fuse, NFR-resistor or connection.

(first connect ground to measuring equipment, than measure the gate).

5.8.6 Frame Deflection

Caution: When the Frame Deflection circuitry is suspected,

one must be careful. Because there is a DC-voltage on the frame deflection, the beam current could damage the CRT neck, leading to a defective CRT.

To prevent this from happening, you must:

1. Interrupt the resistors 3403 and 3404 on the CRT panel (diagram F), in order to remove the "filament" voltage from the tube (no beam current, so no chance of destroying the CRT).

2. Interrupt resistor 3403 on the LSP (diagram A4) to disable the "SUP-ENABLE" line.

3. Measure with a multi-meter, or better with an oscilloscope, the functionality of the Frame stage.

4. After you have found the cause, exchange the defective component (e.g. TDA8177), and re-solder the interrupted resistors.

must always be available. You have no picture, so: read the error buffer via ComPair (error buffer is accessible when set is in

protection, ComPair-file will guide you to this). Read the blinking LED information via standard remote command mute-06250x-ok. Or you read the error code sequence via standard remote command mute062500-ok. When you have found the error, check the circuitry related to the supply voltage and I2Ccommunication or the circuitry that triggers the protection.

As processor cannot communicate with one of the 2 busses it the standby-LED spontaneously starts blinking 8-8-8-etc or 9-9-9-etc... If in the error buffer somewhere is an error 8 or 9, these will have the highest priority starting the mentioned blinking. Measure dependent of the error on the I2C-bus which device is loading the bus (use the I2C-overview)

As the uP cannot communicate with the NVM I2C bus, it spontaneously starts blinking 13-13-13-etc. Note: when there is no access to the NVM, a lot of picture setting can go wrong.

Possible causes: V_BAT is shorted (caused by short circuited line transistor 7421), the sound winding is shorted (amplifier is shorting the power supply lines), or D6514 is shorted (due to a too high V_BAT). Remove excessive load, to see what causes the failure, or check feedback circuit. See repair tip "Main Power Supply" (supply needs a minimal load).

In case the set does react on a local keyboard operation, you must check the RC-receiver circuitry (diagram J).

Check RESET-circuitry (IC7581 on diagram B11). Check the level on line "DEGAUS" when you switch the set "on". Signal must be low initially and go to high after approx. 12 s.

Measure test points on diagram A5.

interruption of the 200 V supplies line (e.g. R3341 on circuit F1 is interrupted).

Re-align the "FOCUS" potmeter on the Line Output Transformer, or check the SCAVEM circuitry on the CRT-panel (diagram F). It is also possible that the DAF circuitry is defective (see diagram I). Check the V_dc values.

Investigate whether there is an error code present in the error buffer. In case there is one, check the I2Cbus and/or supply lines (see overview supply lines). Measure and check signal path Tuner-MPIF-ADOCRGB amplifier. In case it is a geometry issue, check on diagram A4 opto-coupler 7482, OpAmps 7440/ 7450 and the Frame circuitry alignments or a possible corrupted NVM (IC7525 on diagram B11).

When no symptom or error c ode leads you to a specific circuitry, use the supply lines overview (see supply lines overview), for a quick scan of all supply lines.

EN 20 A02U AA5.

5.9 Software Downloading

In this chassis, you can upgrade the software via ComPair. You can find more information on how this procedure works in the ComPair file. It is possible that not all sets are equipped with the hardware, needed to make software upgrading possible. To speed up the programming process the firmware of the ComPair interface can be upgraded. See paragraph "How To Order" for the order number

Service Modes, Error Codes, and Fault Finding

Block Diagrams, Testpoint Overview, and Waveforms

6. Block Diagrams, Testpoint Overview, and Waveforms

Wiring Diagram

21A02U AA 6.

TOP CONTROL PANEL

CVBS (YELLOW)

LEFT (WHITE)

RIGHT (RED)

SVHS

0215

SPEAKER R

SIDE I/O PANEL

0240

11p

CRT PANEL

(COMPONENT VIEW)

11p

1940

CRT

SOCKET

1434

1435

RED

BLACK

1424

LSP(LARGE SIGNAL PANEL)

1620

1947

1483

1502

DEGAUSSING COIL

AQUADAG

1505

CRT

ROTATING

COIL

1010

1009

CRT PANEL

SCAVEM COIL

EHT

SPEAKER L

FRONT

INTERFACE PANEL

0203

0202

1951

MAINS

SWITCH

0201

2p2p

MAINS CORD

HEADPHONE

HDMI PANEL

1116 1117

SSB

SMALL SIGNAL BOARD

1116

11p7p

1117

1951

1945

1201

1735

1951

1940

80p

11p

CINCH

TUNER

1943

Compair

connector

1936

1510

1491

1417

1625

LOT

1498

1424

1499

I/O

3642

VDAF +

2ND ORDERS PANEL

1497

1491

1418

1419

1417

2p 2p

SHIFT

(OPTIONAL)

E_13950_065.eps

0317

120304

Block Diagrams, Testpoint Overview, and Waveforms

Block Diagram LSP Supply and Deflection

22A02U AA 6.

7505, 7506, 7503

QUICK

SWITCH

OFF

MAIN SUPPLY

+VBATT

A1B

MAINS SUPPLY

HOT GROUND

FRONT INTERFACE

0201

MAINS SWITCH

1501

T5AH

3509

SUP-ENABLE

+375V

5517

-20V 7504

0.4

3531

-20V ACTIVATING

CIRCUIT

SUP-ENABLE

(not for USA)

5511 5516

0202

V-START

1951

5502 5503 5504

MAINS FILTER

STAND-BY SUPPLY

STARTUP

7100 7101 7105 7120

CONTROL

CIRCUIT

7529

TCET1103

31205106

7502 7530

7506 TL431CZP

-20V

324

7507

-20V

CONTROL

CIRCUIT

3506

SUP-ENABLE

6525 GBU4J

GND-STB

V-START

6109

7102 STP3NB60

A11

3108 3118

A13

GND-STB

3530

3510

3526

GND-SUPGND-FB

1505

51095101

A12

5113

GND-STB

6103

5102

2102

3514

3520

VBATT ADJUSTMENT

3507

6514

3527

2516

A10

5104

GND-FB

F2.5AH

GND-STB

A15

7103 OR

A16

5506 OR

HOT

2523 2515

1503

5100

7104

5512

+375V

COLD

5103

3114

5507

N.C.

MAIN SUPPLY

3550

1550 4

7501 7528

ACTIVATING

CIRCUIT

A17

6110

6113

5112

3161

5111

6107

6111

3124

6535

6539

6130

3113

6122

6148

5130

STP16NE06

2512

+VBATT

+5.2V_MP

DEGAUSSING

3115

3116

6117

6118

1148

1A25

+8V6-SWITCH

7131

CONTROL

1147

1A6

+5V-SWITCH

7141

CONTROL

7132

5514

2546

A1A

7133 7130

3173

VTUN

6119

A20

2542

7140

1502

HOT

COLD

B11

ADOC

+11V_STBY

+11V_ROT

+11V

A18

+5.2V_MP

A21

STANDBY

+11V_STBY

+28V

GND-AUD

2126

A19

B11

ADOC

+8V6

+5.2V

+5V

+8V6

COLD

HOT

DEG. COIL

DEFLECTION

LINE DEFLECTION

+VBATT

HOT COLD

+11D

+5.2V

LINEDRIVE 1

ADOC

FRAME DEFLECTION

E/W DRIVE

EW-DRIVE 1

MPIF

+8Vb

3455

3456

HFB_X-RAY-PROT

FRAMEDRIVE +

ADOC

ADOC FRAMEDRIVE-

COLD HOT

3660

7611

CURRENT SOURCE

5 6

2404

3459

A33

A34

3658

+8V-S

3640

2403

7440-B

3419

3 2

3631

7612

3657

6408

6407

341434062492

3654

6456

5 6

A37

+8Vb

3457

7441

7455

7440-A

A35

6627 6626 6625

3642

3632

A39

A22

7450-B

7450-A

3415

3416

A24

7409

A23

3404

COLD HOT

E/W - DRIVE

TO 1693

1693

DAF

A38

A36

3643

3634

FRAME DEFLECTION

2457

+8V6

3641

7614

3638

7620

TDA8177

3630

A40

DC-SHIFT

DC-

SHIFT

CIRCUIT

5400

A25

5410

94 61

7408

7482

7487

5621

1 5

+13V-LOT

6620

OP. AMP

-15V-LOT

3623

(OPTIONAL)

1430

400 mA

+141V

5401

A26

7421 BU2520DX

SUP-ENABLE

+8V-S +141V

3492

3484

A45

7442, 7654 7653

PROTECTION

CIRCUIT

7641 7443 7652

PROTECTION

CIRCUIT

2622

FLYBACK

GENERATOR

THERMAL

PROTECTION

3493

7486

ARC-PROT

3488

3481

3483

0317

1 2

LINE OUTPUT CIRCUIT

CORR.

STP3NB60

A46

3479

7480

1419

1417

5430

LOT

2430

5421

6480

5467

A47

A48

3480

3431

2431

EHT

VG2

FOCUS A

FOCUS B

3450 3451

3400

DYNAMIC FOCUS

CRT

+11D

6400

3437

2442

FILAMENT

3460

3461

EHT-INFO

E/W

DRIVE

A28

2443

5461

1492

A30

7445

1417

1497

1693

+11D

6460

FILAMENT

5800

HOR. DAF

CIRCUIT

+11D

312

HFB_X-RAY-PROT.

A29

(OPTIONAL)

FILA-

MENT

EHT-INFO

+11D

PORPOR

DAF

VER. DAF

CIRCUIT

1491

PULSES

200V

B8 B9

ADOC

B11

ADOC

1418

HOT

COLD

1424

LINE DEFLECTION COIL

1424

CRT

HOT COLD

6491

SUP-ENABLE

-15V_LOT

A42

3647

A43

5620

A44

3620

3627

6619

1625

5463

+13V-LOT

A50

7613

TL431

+11D +8Vb

ROTATING CIRCUITRY

VERT. DEFL. COIL

ADOC

TILT

3635

+11V_ROT

SWITCH OFF

IN STAND-BY

5465

3636

3637

3449

3686

7681 7682

CIRCUIT

3463

3462

3465

3464

A49

1601

125mA

3685

3684

6080

+8V-S

7680

TDA7052

2 3

6463

6462

6465

6464

+Vp

A31

2462

A32

2464

34993498

1620

AUDIO

+13V - LOT

-15V - LOT

+13V LOT

-12V8

ROTATION

DEFLECTION

COIL

E_13950_066.eps

COLD HOT

1495

HOT COLD

120304

TO PANEL ON CRT NECK (optional)

Block Diagrams, Testpoint Overview, and Waveforms

Testpoint Overview LSP and CRT

LSP COPPER TRACK SIDE

A18

7680

ROTATION

A17

A15 A16

A14

A71

1 2 3 4 5 6 7 8 9 10

3139 123 5523.1

A13

2 3 4 5 6 7 8 9 10

A20

STANDBY

SUPPLY

TRAFO

5100

A10

A11

7131

+8V6

106

7102

STANDBY

SUPPLY

A19

A21

7141

+5V

A12

SUPPLY

ATTENTION:

LIVE PARTS

MAINS

SUPPLY

TRAFO

5506

7504

MAIN

23A02U AA 6.

A58

D4 A4 A5 A6 A7 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A28 A29 A30 A31 A32 A33 A34 A35 A36 A37 A38 A39 A40 A41 A42 A43 A44 A45 A46 A47 A48 A49 A50 A56 A57

G10

D10

E10

F10

E10

A69

A70

A59

A56

610

7701

AUDIO

A58

SSB

TUNER

A68

AMPL

A46

A33

A49

A57

A23

7480

E/W

A45

A48

A47

A22

A26A25

7421 LINE

49 3

2 1

LOT 5430

A35

A34

A24

A50

ECB

10 11 12

A31

A32

7620

FRAME

A38

A39

A41

A37

A36

1 7

A42

A40

A44

A43

A29

A28

A30

COLDHOTCOLD HOT

A59 A68 A69 A70

C6 B5 A9 A10 A10

CRT PANEL (COPPER TRACK SIDE)

1424

F15

7307

11 1

3139 123 5746.2

1 V / div DC

20µs / div

20 V / div DC

20µs / div

F13

1 V / div DC

20µs / div

1435

1 V / div DC

20µs / div

20 V / div DC

20µs / div

SC3

20 V / div AC

20µs / div

Measured across 6, 10, 5300

1 V / div DC

20µs / div

20 V / div DC

20µs / div

F13

F10

20 V / div DC

20µs / div

F10

50mV / div DC

20µs / div

F12

F11

F14

SC3

20 V / div DC

20µs / div

F10

F11

F12

F13

A15

A16

A17

A18

A19

A20

A21

A22

A23

A24

20 V / div DC

20µs / div

F12

1 V / div DC

20µs / div

PM3394B

50V / div DC

2us / div

A21: 5V1 DC

A40

PM3394B

2 V / div AC

5ms / div

50V / div DC

5us / div

A22

1V / div DC

10us / div

A41

2 V / div AC

5ms / div

PM3394B

50V / div DC

5us / div

A23

PM3394B

200mV / div DC

10us / div

A42

PM3394B

10 V / div AC

5ms / div

PM3394B

50V / div DC

5us / div

A24

PM3394B PM3394B

5V / div DC

10us / div

A43

PM3394B

10V / div DC

2ms / div

PM3394B

5V / div DC

10us / div

A25

200 V / div DC

10µs / div

A44

PM3394B

200mV / div DC

2ms / div

A6 A7: 33V DC

PM3394B

20V / div DC

10us / div

A28: 206 V DCA26: A29: 11V4 DC

A45

1V / div DC

10µs / div

PM3394B

A46

500mV / div DC

10µs / div

PM3394B

A10

50V / div DC

5us / div

A47

50V / div DC

10µs / div

PM3394B

A11

PM3394B

5V / div DC

5us / div

A30

PM3394B

50 V / div DC

10µs / div

A48

PM3394B

500mV / div DC

10µs / div

A12

PM3394B

2V / div DC

5us / div

A31: 13V DC A32: 15V DC

A49: *V3 DC

A13

5V / div DC

10us / div

A50: *V DC

PM3394B

A14

PM3394B PM3394B PM3394B

200mV / div DC

10us / div

A33

PM3394B

500mV / div DC

2ms / div

A56

PM3394B

20mV / div AC

1ms / div

A15

500mV / div DC

5ms / div

A34

PM3394B

500mV / div DC

2ms / div

A57

PM3394B PM3394B PM3394B PM3394B

500mV / div AC

1ms / div

A16

5V / div DC

5ms / div

A35

PM3394B

500mV / div DC

2ms / div

A58

20mV / div AC

200µs / div

A17

PM3394B

20V / div DC

5us / div

A36

PM3394B

200mV / div DC

10us / div

A59

500mV / div AC

1ms / div

A18

PM3394B

5V / div DC

5us / div

A37

PM3394B

500mV / div DC

2ms / div

A68

500mV / div AC

20µs / div

A19

PM3394B

1V / div DC

5us / div

A38

PM3394B

200mV / div DC

10us / div

A69

PM3394B

2 V / div DC 100ms / div

A20: 8V DC

A39

PM3394B

2V / div DC

10us / div

A70

PM3394B

2 V / div DC 100ms / div

CL 36532058_007.eps

071003

Block Diagrams, Testpoint Overview, and Waveforms

Block Diagram 1 Audio & Video (A02 NAFTA IF_video_source_ select)

TUNER

+5V

VTUN

0230

154849

6200

0230

11 13

AGC

2101

IF-TER

3132

4101

4104

SDA

SCL

B18

SIMM

CONN

1200

451

SCL0

7,3 9

SDA0

B11

HDMI

AV4

16 2

7003

AV5

YPbPr-IN

AV4

Audio

AV5

Audio

A11 B18 O A8

SVHS 1

MON. OUT

7002

RECEIVER

7415

HDMI PANELLINK

NVM

7003

Audio

I2S

DAC

REAR IO

3242

3241

+5V

CVBS

AV1AV2

CVBS

4094

SCL

SEL

SDA

7071

12 10

4096

4095

4122

4121

Note: 27/32MS series does not contain HDMI components, i.e. only have AV5 (YPbPr) inputs

4087

4091

4085

4089

0230

C-SC2_SVHS-IN

SEL-SVHS-RR_STATUS2

Y-CVBS-SC2_AV2-IN

CVBS

CVBS-SC1_AV1-IN

L-SC1_AV1-IN

R-SC1_AV1-IN

L-SC2_AV2-IN

R-SC2_AV2-IN

G-SC1-IN_Y-IN

B-SC1-IN_U-IN

R-SC1-IN_V-IN

CVBS-SC2_MON-OUT

L-CL_VL-OUT

R-CL_VL-OUT

+8V

+5V

SCL

SDA

SEL

AUD-L2

AUD-R2

AUD-L1

AUD-R1

SIMM CONN

1951

1116

1117

B11

IF & SAW FILTER

1113

TO/FROM 1116 SSB

TO/FROM 1117 SSB

SVHS 2

AV3

7101

Tuner

7202

SVHS 2

VIFINP

VIFINN

TUNER_AGC

DW/PIP PANEL (Optional)

AGC

SEL_P-N

7201

De-modulator

TDA9887

7203

SIDE IO PANEL

(PV0 & PV2)

CVBS

SIDE IO PANEL

(FL13B)

SAW

Filter

SIF

314

1,2

23,24

8131217

9202

CVBS2_PIP_TUN2

3242

7100-C

107

108

105

100

+33V

VIF

+8V

+5V

SCL

SDA

PIP-AUDIO 1

SIF_MAIN

SIF_PIP

3242

AV3

1936

0240

113

2ndSIFEXT

CVBS

QSS Mixer

AM Demod.

2115

1937

1115

1951

1937

MPIF IF

AM Int

122 125 118

+5Va +5Vd

Sound Traps

SIMM

CONN

VTUN

+8V

+5V

SCL-S

SDA-S

1936

3835

+5Vb

110

SIF A/D

LPF

HEADPH-L

HEADPH-R

3850

TO/FROM HDMI PANEL

SIMM

CONN

24A02U AA 6.

VIDEO SOURCE SELECT & DATA LINK

B2B1A4

7060

2062

CVBS-SC1_AV1-IN

CVBS2_PIP_TUN2

Y-CVBS-SC2_AV2-IN

C-SC2_SVHS-IN

Y-CVBS-FRONT-IN

C-FRONT-IN

YOUT-COMB

COUT-COMB

CVBS-SC3

R-SC1_V-IN

G-SC1-IN_Y-IN

B-SC1-IN_U-IN

-2FH

R-P

G-Y-2FH

-2FH

B-P

+5V

B3 B4

+5V

+8V

PIP-AUDIO

L-SC1_AV1-IN

R-SC1_AV1-IN

AUD-L1

AUD-R1

L-SC2_AV2-IN

R-SC2_AV2-IN

L-FRONT-IN

R-FRONT-IN

AUD_L2

AUD_R2

DSNDL1

DSNDR1

DSNDL2

DSNDR2

120

7131

116

SIF_MAIN

(PIP/DW)

B17

SIF_PIP

R-P

-2FH

G-Y-2FH

B-PB-2FH

FBL

1117

N.C.

1115 1116

CVBS2_PIP_TUN2

B18

0230

4153 4062

AUD-R1

AUD-L1

CVBS-SC3

AUD_L2

AUD_R2

PIP-AUDIO

SIF_MAIN

SIF_PIP

SIMM CONN

C-FRONT-IN

FRONT-DETECT

B11

Y-CVBS-FRONT-IN

L-FRONT-IN

R-FRONT-IN

H-2FH

V-2FH

7100-B

123

CVBS-IF

126

CVBS-1

CVBS-2

CVBS/Y-3

CVBS/Y-4

Y-COMB

C-COMB

4152 CVBS-DTV

CVBS-outB

R/Pr/V1

G/Y/Y-1

B/Pb/U1

R/Pr/V2

G/Y/Y-2

B/Pb/U2

VCC-DIG

VCC-I2D

AUDIO SOURCE SELECT

7100-A

91,77

98,88

AM EXT

127

128

DSNDL1

DSNDR1

DSNDL2

DSNDR2

B10

Ident

YUV

RGB

Source

Switch

CVBS/Y prim

CVBS sec

CLAMP LPF

CLP Yyuv

MPIF VIDEO SWITCH

CLAMP

LPF

CLP prim

LPF

Yyuv

54MHz

SIFA/D

LPFCLAMP

C prim

CLP sec

27/54 MHz

Yyuv

2Fh

54MHz

CLP prim CLP sec

CLP Yyuv

Mono Sec.

Dig.

LR prim

Dig

Yyuv

2Fh

U,V

MPIF AUDIO SWITCH

Int

Mono

sec

A/D

LineLRScart

prim A/D

AUDIO

AMPs

L prim

R prim

Mono sec

LPF

LR prim

Mono sec

CVBS-outA

STROBE1N

STROBE1P

Data Link

STROBE3N

STROBE3P

Data Link

STROBE2N

STROBE2P

Data Link

Timing

Circuit

Dig

I2C

DATA1N

DATA1P

DATA3N

DATA3P

DATA2N

DATA2P

HV-PRIM

HV-SEC

7100-D

Supply

Ref.

XREF 40

EWVIN

EWIOUT

SCART2L

SCART1R

SCART1L

LINER

LINEL

MPIF-SUPPLY

EW & CONTROL

14,28,35

IRQ

SDA

SCL

65SCART2R

STROBE1N

STROBE1P

DATA1N

DATA1P

STROBE3N

STROBE3P

DATA3N

DATA3P

STROBE2N

STROBE2P

DATA2N

DATA2P

HV_PRIM

HV_SEC

3150

3151

3152

3153

7063

+5V

7150-A

+5V

7150-B

VREF_DEFL

+5V

EW_MPIF

EW-DRIVE

R-SC2-OUT

L-SC2-OUT

R-SC1_AV-OUT

L-SC1_AV-OUT

R-CL_VL-OUT

L-CL_VL-OUT

Rev 0.5 26-Dec-2003

CVBS_SC2_MON_OUT

B17

(NAFTA 87xx

series ONLY)

7860 -

7862

+3V3SW

+2V5D

SCL1

SDA1

1883

RESET

7875

+3V3SW

VREF_AUD_POS

3D COMB

FILTER

+3V3SW

+2V5D

+8Vd

YOUT-COMB

COUT-COMB

MPIF-IRQ

EUROPE ONLY

SCART

& 3RD SCART

AUDIO-OUT OR MONITOR-OUT

CSI

SCL

SDA

RSTB

7800 -

7803

F_REF

7823

AYO AC O

84 83

B10

SDA1

SCL1

B18

7808 -

7812

+8Vd

AYI

7816 -

7818, 7807

+8Vd

B11

E_13950_021.eps

110304

Block Diagrams, Testpoint Overview, and Waveforms

Block Diagram 2 Audio & Video (A02 NAFTA Video Audio class-B Output)

25A02U AA 6.

B11

B18

STATUS1_PIP-AFT-50-60HZ

SEL-SHVS-RR_STATUS2

DTV_EXPENSION

FRONT-DETECT

(FROM 0223)

SEL-2FH-SRC_STATUS3

MPIF-IRQ

CONTROL

VDDCO

VDDE

2581

2582

KEYBOARD

LIGHT-SENSOR

RC5

(SCART)

SDM

FOR 2FH I/P or SCART-3

5583

5570

7300-A,C,E & K

ADOC-uP & CONTROL

XVDD

ADCVDDA

FAST

PI_BUS

XIN

1581

XOUT

P0-2

ADC0

ADC4

P2-6

ADC2

ADC3

P0-3

ADC1

ADC5

P0-7

SLOW

PI_BUS

BRIDGE

PI-PI

MIPS

TIMER

I2C

GPIO

SRAM 128KB

GFX

GEN

A/DADC

EBIU

GFX

RGB PROCESSING

MEMORY INTERFACE

B12

EBIU BUS

MPIFCLK

7790

FLASH

A1..A21 D0..D15

F_REF

VDD

VDDQ

VPP

FLASH_RST

VDDE

9,37

RB53

P1-2

P1-3

RES

4565

4564

P1-5

SDA1

SCL1

VDDE

7525

NVM

SDA

SCL

WC_

P1-0

P1-1

P0-5

P2-2

P2-4

P0-4

P0-6

P3-0

P3-2

SDA0

SCL0

SEL-IF-LL

COMM_LINE (SCART)

SEL-2FH-SRC_STATUS3

SOUND-ENABLE

DEGAUSS

STANDBY

B18

LIGHT-SENSOR

KEYBOARD

RC5

ON-OFF-LED

B 7 A 8 F

VDDE

7304

Y-SCAVEM

R-CRT

G-CRT

B-CRT

CUTOFF

TILT

EHT-INFO

HFB_X-RAY-PROT

0203

FROM

7300-H

SCAVEM

ADOC RGB

DRIVE

ADJUST

RGB

GAIN

COMPASATOR

LEAKAGE

RGB

CUTOFF

VDDA

CDAC2-

BLENDER

CONTROL

CDAC1-

BLENDER

FIXED

BEAM

CURRENT

SWITCH

OFF

BLANKING

GFX

B11

CDAC

ADC

SVMP

IBCRANGE

ROUTP

GOUTP

BOUTP

7310

7320

7330

7346

IBC

7356

SIMM

CONN

N.C.

+5V2

A10

FRONT

1945

1947

0345

TOP CONTROL

(FOR FL13B)

1701~5

(5-BUTTON)

0215

TOP CONTROL

(FOR PV2 & PV0)

1091~4

(4-BUTTON)

SIMM CONN

0230023002300230

+8V

FRONT INTERFACE

(FOR FL13B STYLING)

6050

+5V-STANDBY

OF LSP

TO/FROM 1424

1051

1940

1004

3080

CRT PANEL

Y-SCAVEM-IN

1940

+8V_12V

7340

3,103,10

CUT_OFF

EHT-INFO

HFB_X-RAY-PROT

1424

X-RAY-PROT_HFB

EHT-INFO

FILAMENT PULSES

200V

0203

SCAVEM

PROC.

200V

7330

+5V_RC

7350

3402

3403

3404

FRONT INTERFACE

(FOR PV0 & PV2 STYLING)

1008

3001

1000

1002

5300

SCAVEM

1483

1435

VG2

VG1

3349

3334

+8V

3347

1434

TO/FROM LINE

DEFLECTION

FOCUSA

FOCUSB

COIL

CRT

EHT

FROM LOT

POR_FLASH

LOW VOLTAGE SUPPLY - ADOC

B15

+3V3

VDDE

3582

7651

7650

Vgate

Gnd

Vfb

Vcc

7581

3590

SYSTEM

RESET (50ms)

+5V2

6651

P0-1

0230 0230

SSIF

B10

Down

RESET_

FLASH_RST

3583

3586

POR_FLASH

7300-x

ADOC SOUND & AUDIO PROCESSING

EXT. STEREO

EXT. MONO

5600

3651

3652

2651

VDDCO

+1V8+5V2

VREF_AUD_POS

2447

VREF_AUD_NEGB4

7300-B

Level

Adj.

SDI

SOUND-ENABLE

DEGAUSSING

STANDBY

POR

AUDIO PROCESSING

Demodulation and Decoding DSP

DDEP

Preprocessing SRC

Mix

Decimation

Filter

I/P

WSI

Audio Processing DSP

SD02

X-Bar

I2SIN

SCKI

N.C. N.C.

WS PLL

I2SOUT

SCK02

Dematrix

and Select

WS02

AUDIO AMPLIFIER (CLASS-B)

POR

VDDCO VDDE

SOUND ENABLE

7433

AUDIO-R

AUDIO-L

AUDIO-C

B18

HEADPHONE AMP

4703

4704

HEADPH-R

HEADPH-L

SDAC1-3V3

SDAC1-VDDA

7432

7434

AUD_SPK_R

AUD_SPK_L

AUD_SPK_SW

AUD_SPK_C

DAC

AUD_SPK_SL

AUD_HP_R

AUD_HP_L

DSNDR2

DSNDL2

DSNDR1

DSNDL1

O/P

X-

Bar

Noise Shaper

7431*

7480

4433*

7430*

4434*

AUDIO-SW

* = Reserved

for DPL

AUDIO-SURR

HEADPHONE-R

+5V

HEADPHONE-L

7701

+16V+19V

1739

Ext. ACTIVE SUBWOOFER (via 3rd SCART

Int. ACTIVE

SUBWOOFER

1740

RIGHT

1735

LEFT

1738

Ext/Int. PASSIVE

SUBWOOFER

Panel)

Rev 0.4 26-Dec-2003

E_13950_022.eps

090304

Block Diagrams, Testpoint Overview, and Waveforms

Testpoint Overview SSB

1009 B2 1009 B2 F014 B2 F014 B2 F015 B2 F015 B2 F016 B4 F016 B4 F017 B4 F017 B4 F020 C1 F020 C1

F021 A2 F021 B2 F041 A1 F041 A1 F042 B1 F042 B1 F045 A1 F045 A1 F046 C1 F046 C1 F047 C1 F047 C1

F060 C1 F060 C1 F064 B1 F064 B1 F074 B2 F074 B2 F075 B2 F075 B2 F076 B1 F076 B1 F077 B1 F077 B1

F078 B1 F078 B1 F080 C1 F080 C1 F088 B2 F088 B2 F089 B2 F089 B2 F114 C1 F114 C1 F115 D2 F115 D2

F116 D1 F116 D1 F132 C1 F132 C1 F134 C2 F134 C2 F135 C2 F135 C2 F137 C2 F137 C2 F138 C2 F138 C2

F139 C2 F139 C2 F150 B1 F150 B1 F152 D1 F152 D1 F159 B1 F159 B1 F281 B3 F281 B3 F282 B4 F282 B4

F341 C3 F341 C3 F346 C3 F346 C3 F348 B1 F348 B1 F351 C4 F351 C4 F354 C3 F354 C3 F355 C4 F355 C4

2582

F357 D4 F357 D4 F358 D4 F358 D4 F381 C3 F381 C3 F382 C3 F382 C4 F383 C3 F383 C3 F384 D3 F384 D3

2583

F385 C3 F385 C3 F386 D3 F386 D3 F387 C2 F387 C2 F389 C3 F389 C3 F390 C3 F390 C3 F391 C3 F391 C3

F437 B3 F437 B3 F438 B3 F438 B3 F439 B3 F439 B3 F448 B3 F448 B3 F449 B4 F449 B4 F480 B4 F480 B4

F481 B4 F481 B4 F508 C3 F508 C3 F509 C3 F509 C3 F510 B3 F510 B3 F511 B3 F511 B3 F512 B3 F512 B3

F513 B3 F513 B3 F514 B3 F514 B3 F515 B5 F515 B5 F516 B3 F516 B3 F517 B3 F517 B3 F518 B3 F518 B3

26A02U AA 6.

F519 B3 F519 B3 F520 C3 F520 C3 F521 C3 F521 C3 F522 B3 F522 B3 F523 B3 F523 B3 F524 C3 F524 C3

F527 C2 F527 C2 F532 C3 F532 C3 F533 B3 F533 B3 F534 C3 F534 C3 F537 C3 F537 C3 F538 C3 F538 C3

F539 B3 F539 B3 F540 C3 F540 C3 F541 C3 F541 C3 F542 C3 F542 C3 F543 B3 F543 C3 F544 C3 F544 C3

F550 B3 F550 B3 F551 C3 F551 C3 F570 B4 F570 B4 F582 B5 F582 B5 F584 B5 F584 B5 F601 B4 F601 B4

F650 C5 F650 C5 F651 B5 F651 B5 F652 C5 F652 C5 F730 C4 F730 C4 F790 C4 F790 C4 F791 C4 F791 C4 F792 C4 F792 C5 F793 C4 F793 C5 F794 C4 F794 C4 F795 C4 F795 C4 F797 C5 F797 C5 F798 C4 F798 C5 F799 C5 F799 C5 F800 A2 F800 A2 F814 A3 F814 A3 F815 A2 F815 A2 F816 A2 F816 A2 F829 A3 F829 A3 F831 A2 F831 A2 F834 A2 F834 A2 F835 A2 F835 A2 F850 A2 F850 A2 F852 A1 F852 A1 F855 A1 F855 A1 F867 A3 F867 A3 F870 A3 F870 A3 F872 A3 F872 A3 F890 A4 F890 A4 F899 A3 F899 A3 F901 D1 F901 D1 F902 D1 F902 D1 F903 D1 F903 D1 F904 D1 F904 D1 F905 D2 F905 D2 F906 D1 F906 D1 F907 C1 F907 D1 F909 D1 F909 D1 F910 D2 F910 D2 F911 D2 F911 D2 F913 D2 F913 D2 F915 D2 F915 D2 F918 D2 F918 D2 F919 D2 F919 D2

F920 D2 F920 D2 F921 D2 F921 D2 F923 D2 F923 D2 F924 D2 F924 D2 F925 D2 F925 D2 F926 D2 F926 D3 F928 D3 F928 D3 F929 D3 F929 D3 F931 D2 F931 D2 F932 D2 F932 D2 F933 D3 F933 D3 F935 D2 F935 D2 F936 D2 F936 D2 F937 D2 F937 D2 F938 D3 F938 D3 F939 D2 F939 D2 F940 D3 F940 D3 F941 D3 F941 D3 F943 D4 F943 D4 F944 D4 F944 D4 F947 C4 F947 D4 F948 D4 F948 D4 F949 D4 F949 D4 F950 D4 F950 D4 F951 D4 F951 D4 F952 D4 F952 D4 F953 D4 F953 D4 F955 D4 F955 D4 F956 D4 F956 D4 F958 D4 F958 D4 F959 D4 F959 D4 F960 D4 F960 D4 F961 D4 F961 D4 F962 D4 F962 D5 F963 D5 F963 D5 F964 D5 F964 D5 F965 D5 F965 D5 F966 D5 F966 D5 F967 D5 F967 D5 F968 D5 F968 D5 F969 D5 F969 D5 F970 D5 F970 D5 F972 D5 F972 D5

F973 D5 F973 D5 F974 D5 F974 D5 F975 D5 F975 D5 F976 D5 F976 D5 F977 D5 F977 D5 F978 D5 F978 D5 F979 D5 F979 D5 F980 D5 F980 D5 I001 C1 I001 C1 I002 B2 I002 B2 I003 B1 I003 B1 I004 C1 I004 C1 I005 C1 I005 C1 I006 B2 I006 B2 I007 B2 I007 B2 I008 B2 I008 B2 I009 B2 I009 B2 I010 B2 I010 B2 I061 C1 I061 C1 I062 C1 I062 C1 I063 C1 I063 C1 I064 B1 I064 B1 I101 C1 I101 C1 I102 C2 I102 C2 I103 C2 I103 C2 I104 C2 I104 C2 I105 C1 I105 C1 I106 C2 I106 C2 I107 C2 I107 C2 I108 C2 I108 C2 I151 B1 I151 B1 I152 B1 I152 B1 I153 B1 I153 B1 I154 B1 I154 B1 I281 D1 I281 D1 I301 C4 I301 D4 I302 D4 I302 D4 I303 C3 I303 C3 I304 C3 I304 C3 I305 C4 I305 C4 I306 D4 I306 D4 I307 D3 I307 D3 I308 D3 I308 D3

I309 D3 I309 D3 I310 D3 I310 D3 I341 C4 I341 C4 I342 C4 I342 C4 I343 C4 I343 C4 I344 C4 I344 C4 I345 D4 I345 D5 I346 C4 I346 C4 I347 D4 I347 D4 I348 D4 I348 D4 I349 D4 I349 D4 I350 C4 I350 D4 I381 D3 I381 D3 I382 C3 I382 C3 I431 A3 I431 A3 I432 B3 I432 B3 I433 A3 I433 A3 I434 A3 I434 A3 I435 B4 I435 B4 I436 B3 I436 B3 I437 B3 I437 B3 I438 B3 I438 B3 I439 B3 I439 B3 I440 B3 I440 B3 I441 B4 I441 B4 I442 B3 I442 B4 I443 B4 I443 B4 I444 B4 I444 B4 I445 B4 I445 B4 I446 B4 I446 B4 I447 A5 I447 B5 I448 B5 I448 B5 I501 C3 I501 C3 I502 D5 I502 D5 I601 C4 I601 C4 I651 C5 I651 C5 I801 A1 I801 A1 I802 A2 I802 A2 I803 A3 I803 A3 I804 A4 I804 A4 I805 A3 I805 A3 I807 A2 I807 A2

100mV / div DC

20µs / div

63 62 61 60 S4

S3 S2 S1

100mV / div DC

20µs / div

100mV / div DC

20µs / div

SIDE B

100mV / div DC

20µs / div

500mV / div DC

50ns / div

F014

1 V / div DC

1ms / div

F923

1 V / div DC

10µs / div

F015

1 V / div DC

1ms / div

F924

1 V / div DC

10µs / div

F016

500mV / div DC

1ms / div

F925

1 V / div DC

10µs / div

F017

500mV / div DC

1ms / div

F926

1 V / div DC

10µs / div

F060

500mV / div DC

20µs / div

F928

500mV / div DC

5ms / div

F080

500mV / div DC

20µs / div

F929

500mV / div DC

5ms / div

F064

500mV / div DC

20µs / div

F931

1 V / div DC

5ms / div

F088

1 V / div DC

20µs / div

F941

2 V / div DC

20µs / div

F089

1 V / div DC

20µs / div

F967

200mV / div AC

1ms / div

F150: 3V2 DC F152: 3V2 DC F281: 3V2 DC F381: 0V DC F382: 0V DC F383: 0V DC

F968

200mV / div AC

1ms / div

F480

100mV / div AC

1ms / div

F969

500mV / div AC

1ms / div

F481

100mV / div AC

1ms / div

F970

500mV / div AC

1ms / div

F508

1 V / div DC

500µs / div

I306

200mV / div DC

10µs / div

F509

1 V / div DC

200µs / div

I308

200mV / div DC

10µs / div

F601: 1V8 DC F650: 3V2 DC F651: 1V8 DC

I310

200mV / div DC

10µs / div

F652

500mV / div DC

500ns / div

I436

20mV / div AC

500µs / div

F911

500mV / div DC

20µs / div

I437

20mV / div AC

200µs / div

F913

500mV / div AC

10µs / div

I438

100mV / div AC

1ms / div

E_13950_070.eps

120304

Block Diagrams, Testpoint Overview, and Waveforms

I2C Overview

27A02U AA 6.

I2C Overview

CONTROL

B11

ADOC

7300-C

7300-k

AF6

AE6

AF7

AD6

AF8

A26

AF2

B12

+5V2 +5V2

3509 3510

VDDE

3513

VDEE

3523

3581

VDDE

M24C64

(NVM)

EEPROM

3515

7025

F508

576

ERR

F509

3511

3512

SDA0

SCL0

SDA1

SCL1

F-REF

IRQ-MPIF

SSB. CONN.

MPIF

0230

7100-D

MPIF

DIGITAL

BLOCK

1205

ERR

TUNER

SDA-S

SCL-S

3201

A69

3200 3261 3262

A70

1200 TUNER TEDE9

ERR

1943

1 2 3

COMPAIR CONNECTOR FOR SERVICE (REACHABLE VIA HOLE IN REAR COVER)

INPUT SELECTION

19511951

HDMI

CONNECTOR

HDMI PANELLINK RECEIVER

M1B18

3016

3019

1021

3027

3026

+5VHDMI

+3V3

7009

BSN20

7010

BSN20

7006

BSN20

7007

BSN20

+3V3

3032

3031

3032

3031

3017

3015

SII9993CT400

7002

HDMI

RECEIVER

ERR

7003

M24C02

EEPROM

7300-E

DATA

ADDRESS

7790

M58LW032A

RAM

FLASH CONN.

DATA

FLASH CONN.

ADDRESS

0291

0290

Error Description

0 No error 1 Horizontal Protection (via NOHFB bit in ADOC) 3 +8V error (missing/protection active by checking MPIF ASUP bit)) 4 X-ray/High beam current protection signal (via XPROT bit in ADOC) 5 Hardware Protection is active

7 Und er - voltage protection 11 MPIF I2C communication failure / MPIF test failed 12 BC - loop not stabilised within the time limit (i.e. after timer is expired) 13 NVM I2C communication failure 14 Main tuner I2C failure UV13xx 15 HDMI Panel Link Receiver 17 3D Combfilter I2C communication failure 18 PIP Tuner I2C failure 21 PIP IF demodulator IC TDA988x communication failed (only for PIP/DW sets) 22 Flash over protection error (to register CRT flash- overs, via FPR bit in ADOC)

E_13950_067.eps

120304

Block Diagrams, Testpoint Overview, and Waveforms

Supply Lines Overview

28A02U AA 6.

7505, 7506, 7503

MAIN SUPPLY

+VBATT

A1B

MAINS SUPPLY

HOT GROUND

QUICK

SWITCH

OFF

FRONT INTERFACE

0201

MAINS SWITCH (not for USA)

5502

5511

5503

5516

3509

5517

7504 STP5NB60FP

3531

ACTIVATING

CIRCUIT

+11V_ROT

7529

ROTATING CIRCUITRY

5504

MAINS FILTER

STAND-BY SUPPLY

STARTUP

31205106

-20V

7502 7530

7507

TCET1103

7506 TL431CZP

+11V_ROT

1601

125mA

1501

T5AH

+375V

SUP-ENABLE

-20V

SUP-ENABLE

1951

V-START

7100 7101 7105 7120

CONTROL

CIRCUIT

-20V

CONTROL

CIRCUIT

324

SUP-ENABLE

6525

GBU4J

GND-STB

V-START

6109

7102 STP3NB60

A11

A12

5113

3108 3118

GND-STB

A13

5102

2102

GND-STB

MAIN SUPPLY

3514

7680

3510

3526

3530

GND-SUPGND-FB

3520

VBATT ADJUSTMENT

3507

3527

3506

TDA7052

6103

6514

0202

++-

51095101

2516

A10

5104

GND-STB

GND-FB

A15

A16

2523 2515

+11D

1505

1503

F2.5AH

+375V

5100

7103 OR

7104

5506 OR

5512

HOT

COLD

FRAME DEFLECTION E/W DRIVE

3449

MAINS SUPPLY

3550

1550 4

7501 7528

ACTIVATING

CIRCUIT

A17

6110

6113

5112

3161

6148

6130

5111

5130

STP16NE06

6107

5103

6111

3113

6122

STP16NE06

3124

3114

5507

6535

6539

2512

N.C.

+VBATT

+13V-LOT

TDA8177

+8Vb

-15V-LOT

COLD HOT

+5.2V_MP

DEGAUSSING

3115

3116

1148

1A25

+8V6-SWITCH

7131

CONTROL

+5V-SWITCH

7141

5514

2546

7620

6117

1147

1A6

CONTROL

7132

+13V-LOT

-15V-LOT

A1A

6118

A20

7133 7130

3173

+141V

+8V-S

VTUN

6119

7140

2542

1502

HOT

COLD

B11

ADOC

+11V

A18

A21

STANDBY

+11V_STBY

+28V

DEG. COIL

+11V_STBY

+11V_ROT

+8V6

2126

A19

+5.2V

+5.2V_MP

+5V

+8V6

GND-AUD

COLD

HOT

7813

3635

FRONT

A10

VTUN 9

6200

-C33

5902

+11V

+5V2

+5V

+28V

+VBATT

SUP-ENABLE

HOT COLD

+5V2

LINE DRIVE

+11D

COLD HOT

-15V-LOT

+13V-LOT

1947

9970

9972

TUNER SIM CONN.

3907

MC78M05

+8V

5903

HEADPHONE AMPL.

+5V

AUDIO AMPLIFIER

3720

3721

3722

LINE DEFLECTION

5400 5401

+141V

5410

3464

6464

3465 3462

6465

6462

3463

6463

+13V-LOT

3498

-15V-LOT

7911

L78L05

7912

9909

9980

LINE

OUTPUT

STAGE

0203

3910

OUTIN

3941

3904

STANDBY

13-7701 (AUDIO AMPL.)

7421

5465

5463

3499

5901

FRONT

+5V2

+5VT

7910

HOT COLD

5430

LOT

HOT

1485

131

1200

TEDE9

TUNER

7.3

+8V

+8VS

+8VS2

+11V5

+11V

+3V3OUTIN

9410

3460

3461

+11D +11D

FILAMENT PULSES

1498

COLD

PANEL ON CRT NECK

(IF APPLICABLE)

EHT FOCUS 1 FOCUS 2

3400

FILAMENT

5461

9203

9904

5904

+11V5

+8V

1424 1424

6400

6460

1499

+11D TO

3450 3451 5441

1492

+11D

1940

1492

+5V

+8V

+5V2

+8V

+5VA

+3V3

DAF

3807 3808

1951

1205

11VDC

1000

SBB

B18

CONNECTOR

CRT

1940

N.C.

+8V

3809

INPUT SELECTION

1951

+5V2

+8V

+5V

+3V3

B11

STANDBY

3300

3404

3403

3098

3099

+8V

SCAVEM

200V

FILAMENT CRT

5095

5096

5098

HDMI RECEIVER

+5VS

+8VAUDIO

+8VVIDEO

LOW VOLTAGE SUPPLY-ADOC

B15

5654 5651

+5V2 +1V8

F650

5659

+3V3

B14 ADOC SUPPLY

B14

+1V8

+3V3

VDDCO

4x 8x

VDDE

IF & SAW FILTER

+5V

+8V

VIDEO SOURCE

SELECTION

+5V

AUDIO SOURCE

SELECTION

+5V

+8V

MPIF - SUPPLY

+5V

VIDEO DECODER

VDDCO

VDDE

3018

3019

5600

5601

5135

5134

5112

5102

3134

5060

5061

5150

5151

5152

5281

5282

5285

5283

CONTROL

F601

3010

3011

7001

7651 STS5PF30L

7650 CS51033YDR8

VDDCO

VDDE

+5V

+5Va

+5Vb

+5Vd

+8Va

(For PIP D/W Only)

+8Vc

+5V

To 49 7100-B (MPIF)

To 64 7100-B (MPIF)

+5V

To 77 7100-A (MPIF)

To 98 7100-A (MPIF)

To 88 7100-A (MPIF)

+5V

To 14 7100-D (MPIF)

To 28 7100-D (MPIF)

To 35 7100-D (MPIF)

To F23 7300-J (ADOC)

To P23 7300-J (ADOC)

To AF3 7300-J (ADOC)

To N23 7300-J (ADOC)

F651

+3V3

+5VS

SYNC

RGB PROCESSING

+3V3

+5v

+8v

VDDE

+3V3

+5v

+8v

VDDCO

VDDE

+3V3

+8v

VDDE

B10

+5V

+8v

VDDCO

VDDE

B11

+5V

+5V2

VDDCO

VDDE

B12

VDDE

B13

VDDE

5300

SYNC & DEFLECTION

3358

5342

3340

5345

5344

5343

5342

To L1 - 7300-F (ADOC)

PROTECTION

3388

AUDIO PROCESSING

5480

5452

5450

CONTROL

CONTROL MEMORY (RAM)

VDDE

CONTROL MEMORY (SDRAM)

5730

5731

+5VS

+8VVIDEO

+3V3

+5V

+8V

To W4-7300-H (ADOC)

+3V3

+8V

To M1-7300-F (ADOC)

To AA4 - 7300-F (ADOC)

To R3 - 7300-F (ADOC)

To N4 - 7300-F (ADOC)

To L2 - 7300-F (ADOC)

To M1 - 7300-F (ADOC)

3V3

+8V

To W1-7300-G (ADOC)

To 8 - 7480 (HP AMPL.)

+8V

To AD22-7300-B (ADOC)

To AC22-7300-B (ADOC)

+5V

+5V2

VDDCO

VDEE

To 9, 37, 43, - 7790 (RAM)

To 1, 14, 27, 7730

To 3, 9 43, 49, 7730

E_13950_068.eps

120304

Circuit Diagrams and PWB Layouts

7. Circuit Diagrams and PWB Layouts

Large Signal Panel: Main Supply

29A02U AA 7.

FROM

0202 OF

MAINS SWITCH

PANEL

DEGAUSSING

GND-SUP

3139 123 5752.2

123456789

5516

MAIN SUPPLY

1505

1502

COIL

0043

9501

1500

SDDF

RES

9502

9516

5515

33u

3537

2520 100n

2547

100n

T5AH- 250V FOR AP

1501

T6,3AH-250V

for US

3521 4M7

3509

1590

DSP

2507

470n

3501

100R

5503

5504

54A-0018

3500

3550

232266296

A2-42

5511

9503

5502

9504

3562

100R 9507

2537

22n

GND-STB

2509

22n

6525

GBU4J

2508

22n

GND-STB

2516

GND-STB

F2,5AH-250V

for AP-PAL

1503

F4AH-250V for US AP NTSC

143V FOR 120V SETS 277V FOR 230V SETS

10n

2517

A1-8

+375V

A2-8

DSP

1591

9513

9519

9518

3516

HOT

COLD

A2-43

HEATSINK

COLD

1550

7528 BC337-25

3528 10K

GND-SUP

6511

6512

BAS216

7501

3541

3529

4K7

BC847B

GND-SSP

22R

3534

47K

3532 47K

2528 1u

2533

4n7

3524 33K

GND-SUP

E_13950_023.eps

A8-30

240304

3503

4M7

GND-STB

123

2505

3502

4M7

1510

0301 OF

FOR LATAM - AP SETS

COLD

HOT

ABOUT DC VOLTAGE MEASUREMENT

Normal

standby ( )

TUNERGND

2521 470p

GND-SSP

COLD

HOT

3554 6M8

3555 680K

3560 1M2

VBATT

3556 47K

3557

220K

GND-FB

2539 10u

2545 1n

3561

6522

MCL4148

7505 BC857B

3558 47K

7508 BF423

3559

10K

2529 100n

VBATT

6507

BZX384-C47

6508

BZX384-C56

6513

BZX384-C56

3548 1K

3551 330R

7503

BT151

A1-8

HOT

GND-FB

A3-A4-23

123456789

0043 C1 1500 A2 1501 A3 1502 B1 1503 A9 1505 A1 1510 F2 1550 D8 1590 A4 1591 A6 2505 E1 2507 A4 2508 A8 2509 A8 2516 B8 2517 B9 2520 C2 2521 E2 2528 E9 2529 F6 2533 F9 2537 A7 2539 E4 2545 D4 2547 C2 3500 B6 3501 A5 3502 E2 3503 E1 3509 A3 3516 C6 3521 A3 3524 E9 3528 E8 3529 D9 3532 D9 3534 E9 3537 C2 3541 F8 3548 F6 3550 B6 3551 F6 3554 D3 3555 E3 3556 E4 3557 F4 3558 E5 3559 E5 3560 E3 3561 E4 3562 A7 5502 A6 5503 A4 5504 B4 5511 A7 5515 B2 5516 A5 6507 D6 6508 E6 6511 D8 6512 D8 6513 E6 6522 D4 6525 A8 7501 E8 7503 F7

7505 E5 7508 D5 7528 D8 9501 A2 9502 B2 9503 A6 9504 B6 9507 A7 9513 B6 9516 B2 9518 C6 9519 B6

Circuit Diagrams and PWB Layouts

Large Signal Panel: Main Supply

30A02U AA 7.

2535

4n7

3535

47R

3139 123 5752.2

1234567891011

MAIN SUPPLY

1506

2526

2n2

GND-FB

6515

BZV85-C6V8

5518

3515

A1-8

GND-STB

277V

5517 83R

3514

2544

7504

6505

BZX79-C15

3552

3553

2504

22n

5519

30R

7530

BC847B

6530

3518

143V

A2-12

3513 330K

BYV95C

3547

220R

2501

3546

6520

3545

15K

3504

2K2

1N4148

144V

BZX79-C33

6518

BZX284-C27

6506

BAT254

TCET1103(G)

7507

6510

BYD33D

2525

1n5

2538 10n

6519

7506 TL431

3505 *

BAS316

3525 47R

6509

16V6

GND-FB

3508 15R

7502

BC547B

6538

BAS216

2V5

2513 470p

2514 2n2

3512

5K63506

3523 1M

3520

33K

3522

6K8

3540

2531

2502 10n

* 3530

2506

3507 160K

2524 10n

GND-SUP

3527

3542

0R15

3510 820R

9571

3539 39K

3538 33K

3544 39K

BC546B

Vbe=0V7 (Vbe=0V)

3549

220K

3526 0R1

25182541

330p

GND-STB

3531

7529

BAS216

2K23511

9511

5520 83R

6534

BY359X-1500

2V2

6523

9505

3543

2510 220p

GND-FB

HOT

COLD

2503

5512 S419C4-01

132

5507

83R

BYV28

6539 6535

STPS8H100

2519

2n2

32V

2546

2m2

9572

33u5514

2512 1m

2542 470u

+28V

GND-AUD

5506

2527 470p

5505 83R

GND-STB

9510

BZT03-C

GND-AUD

6514

GND-FB

2515 47u

2523 47u

GND-SUP

COLD

HOT

VBATT

GND-SUP

3517 47K

6533

6537

GND-FB

BAS316

GND-FB

BAS216

3519

2530

3536

1K5

6517

BAT254

6516

2532

BAS216

2540

GND-FB

3533

15R

A3-A4-23

A2-44

E_13950_024.eps

240304

1506 A2 2501 D3 2502 F6 2503 B8 2504 D2 2506 F6 2510 D8 2512 B11 2513 E5 2514 F5 2515 D9 2518 A7 2519 B10 2523 D10 2524 F6 2525 C4 2526 A1 2527 D8 2530 F9 2531 F6 2532 F10 2535 C1 2538 E4 2540 F10 2541 A7 2542 B11 2544 C2 2546 B10 3504 C3 3505 C4 3506 E5 3507 E6 3508 B5 3510 F7 3511 B7 3512 C5 3513 A3 3514 C2 3515 C1 3517 E8 3518 B3 3519 F8 3520 D5 3522 F5 3523 F5 3525 E5 3526 G7 3527 F7 3530 F6 3531 E7 3533 F10 3535 C1 3536 E9 3538 B7 3539 B7 3540 E6 3542 G7 3543 A8 3544 B7 3545 C3 3546 C3 3547 C3 3549 F7 3552 C2 3553 C2 5505 E8 5506 C8 5507 B9 5512 B9 5514 B10 5517 A2 5518 C1 5519 B2 5520 D7 6505 B2 6506 C4 6509 E4 6510 A4 6514 D9 6515 C1 6516 F9 6517 E9 6518 B4 6519 B4 6520 C3 6523 G7 6530 D3 6533 G8 6534 D7 6535 B10 6537 F8 6538 D4 6539 B10 7502 C5 7504 B2 7506 F4 7507 D4

7529 F7 7530 C2 9505 G7 9510 E9 9511 C7 9571 G7 9572 B10

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+ 88 hidden pages