Hitachi pa0141 schematic

SAFETY PRECAUTIONS......................................................................................................2

PRODUCT SAFETY NOTICE................................................................................................3

POWER SOURCE ................................................................................................................3

SERVICING PRECAUTIONS ................................................................................................4

TECHNICAL SPECIFICATIONS............................................................................................8

TECHNICAL CAUTIONS ......................................................................................................9

CONTENTS OF ADJUSTMENTS ......................................................................................10

FRONT PANEL AND REMOTE CONTROL OPERATION ..................................................13

ADJUSTMENTS ..................................................................................................................21

TROUBLESHOOTING FLOWCHARTS ..............................................................................48

WAVEFORMS ....................................................................................................................57

REPLACEMENT PARTS LIST ............................................................................................60

WIRING DRAWING ............................................................................................................73

CHASSIS BLOCK DIAGRAM..............................................................................................77

PRINTED CIRCUIT BOARDS ............................................................................................79

BASIC CIRCUIT DIAGRAM ................................................................................................83

No. 0141

NTSC

M10LXU Chassis

R/C: CLU-381UG R/C: CLU-341UG

CAUTION: Before servicing this chassis, it is important that the service technician read the

“Product Safety Notices” in this service manual.

SAFETY NOTICE

USE ISOLATION TRANSFORMER WHEN SERVICING

Components having special safety characteristics are identified by a on the parts list in this Ser vice Data and its supplements and bulletins. Before servicing the chassis, it is important that the service technician read and follow the “Safety Precautions” and “Product Safety Notices” in this Service Manual.

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

MAY 2000 HHEA-MANUFACTURING DIVISION

32GX01B 36GX01B

32UX01S 36UX01S

NOTICE: Comply with all cautions and safety-related notes located on or inside the cabinet and on the chassis or picture tube.

WARNING: Since the chassis of this receiver is connected to one side of the AC power supply during operation, whene ver the receiver is plugged in, service should not be attempted by anyone unfamiliar with the precautions necessary when working on this type of receiver.

The following precautions should be observed:

1. Do not install, remove, or handle the picture tube in any manner unless shatterproof goggles are worn. People not so equipped should be kept away from the picture tube while handling.

2. When ser vice is required, an isolation transformer should be inserted between power line and the receiver before any service is performed on a “HOT”chassis receiver.

3. When replacing a chassis in the receiver, all the protective devices must be put back in place, such as barriers, nonmetallic knobs, adjustment and compartment cover-shields, isolation resistors, capacitors, etc.

4. When service is required, observe the original lead dress in the high voltage circuitry area.

5. Always use the manufacturer’s replacement components. Critical components as indicated on the circuit diagram should not be replaced by another manufacturer’s. Furthermore, where a short circuit has occurred, replace those components that indicate evidence of overheating.

6. Before returning a ser viced receiver to the customer, the service technician must thoroughly test the unit to be certain that it is completely safe to operate without danger of electrical shock, and be sure that no protective device built into the receiver by the manufacturer has become defective, or inadvertently defeated during servicing.

Therefore, the following checks should be performed for the continued protection of the customer and service technician.

Leakage Current Cold Check

With the AC plug removed from the 120V AC 60Hz source, place a jumper across the two plug prongs. Using an insulation tester (DC500V), connect one lead to the jumpered AC plug and touch the other lead to each exposed metal part (antennas, screwheads, metal overlays, control shafts , etc.), particularly any exposed metal part having a return path to the chassis should have a minimum resistor reading of 0.24M⏲ and a maximum resistor reading of 12M⏲. Any resistance value below or above this range indicates an abnormality which requires corrective action.An exposed metal part having a return path to the chassis will indicate an open circuit.

AC LEAKAGE TEST ANY MEASUREMENTS NOT WITHIN THE LIMITS OUTLINED

ABOVE ARE INDICATIVE OF A POTENTIAL SHOCK HAZARD AND MUST BE CORRECTED BEFORE RETURNING THE RECEIVER TO THE CUSTOMER.

High V oltage

This receiver is provided with a hold down circuit for clearly indicating that voltage has increased in excess of a predetermined value. Comply with all notes described in this service manual regarding this hold down circuit when servicing, so that this hold down circuit is operated correctly.

Serviceman Warning

With minimum BRIGHTNESS and CONTRAST, the operating high voltage in this receiver is lower than 30.0±1kv(36V),

29.0±1kv(32V). In case any component having influence on the high voltage is replaced, confirm that high voltage with minimum BRIGHTNESS and CONTRAST is lower than 30.0±1kv(36V),

29.0±1kv(32V). To measure high voltage use a High Impedance High Voltage meter. Connect (-) to chassis earth and (+) to the CRT Anode button.(See the following connection diagram.)

Note: Turn power switch OFF without fail before the connection to the Anode button is made.

SAFETY PRECAUTIONS

Leakage Current Hot Check

Plug the AC line cord directly into a 120V AC 60Hz outlet (do not use an isolated transformer for this check).Turn the AC power ON. Using a Leakage Current Tester (Simpson’s Model 229 or equivalent), measure for current from all exposed metal parts of the cabinet (antennas, screwheads, overlays, control shafts, etc.) particularly any exposed metal

part having a return path to the chassis or to a known earth ground (water pipe, conduit, etc.). Any current measured must not exceed 0.5 milliamps.

(READING SHOULD NOT BE ABOVE

0.5mA)

EARTH GROUND

DEVICE UNDER TEST

TEST ALL EXPOSED METAL SURFACES

2-WIRE CORD

ALSO TEST WITH PLUG REVERSED (USING AC ADAPTER PLUG AS REQUIRED)

LEAKAGE CURRENT TESTER

Many electrical and mechanical parts in HITACHI television receivers have special safety-related characteristics. These are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. Replacement parts which have these special safety characteristics are identified in this Service Manual.

Electrical components having such features are identified with an

! mark in the schematics and parts list in this Ser vice Manual.

The use of a substitute replacement component which does not have the same saf ety char acteristics as the HITACHI-recommended replacement component, shown in the parts list in this Service Manual, may create shock, fire, X-radiation, or other hazards.

Production safety is continuously under review and new instructions are issued from time to time. For the latest information, always consult the current HITACHI Service Manual. A subscription to, or additional copies of HITACHI Service Manuals may be obtained at a nominal charge from HITACHI Sales Cor poration.

X-Radiation TUBE: The primar y source of X-Radiation in this receiver is the

picture tube. The tube utilized in this chassis is specially constructed to limit X-Radiation emissions. For continued XRadiation protection, the replacement tube must be the same type as the original HITACHI-approved type.

When troubleshooting and making test measurements in a receiver with an excessive high voltage problem, avoid being unnecessarily close to the picture tube and the high voltage component.

Do not operate the chassis longer than is necessary to locate the cause of excessive voltage.

This Service Manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual. Improperly performed repairs can adversely affect the safety and reliability of

the product and may void warranty. Consumers should not risk trying to do the necessary repairs and should refer to a qualified service technician.

WARNING

Lead in solder used in this product is listed by the California Health and Welfare agency as a known reproductive toxicant which may cause birth defects or other reproductive harm (California Health and Safety Code, Section 25249.5).

When servicing or handling circuit boards and other components which contain lead in solder, avoid unprotected skin contact with solder. Also, when soldering do not inhale any smoke or fumes produced.

SAFETY NOTICE

USE ISOLATION TRANSFORMER

WHEN SERVICING

Components having special safety characteristics identified by

on the parts list in this service manual and its supplements and bulletins. Before servicing this product, it is important that the service technician read and follow the “Safety Precautions” and the “Product Safety Notices” in this Service Manual.

For continued X-Radiation protection, replace picture tube with original type or HITACHI equivalent type.

POWER SOURCE

This television receiver is designed to operate on 120 Volts/60Hz, AC house current. Inser t the power cord into a 120 Volts/60Hz outlet.

NEVER CONNECT THE TV TO OTHER THAN THE SPECIFIED VOLTAGE OR TO DIRECT CURRENT.

CPT ANODE

CHASSIS GROUND

CPT

HIGH IMPEDANCE H.V. METER

(+)

(-)

PRODUCT SAFETY NOTICE

CAUTION: Before servicing instruments covered by this service data and its supplements and addenda, read and follow the SAFETY PRECAUTIONS on page 3 of this publication. NOTE: If unforseen circumstances create conflict between the following servicing precautions and any of the safety precautions on page 3 of this publication, always follow the safety precautions. Remember: Safety First.

General Servicing Guidelines

1. Always unplug the instrument AC power cord from the AC power source before: a. Removing or reinstalling any component, circuit board,

module, or any other instrument assembly.

b. Disconnecting or reconnecting any instrument electrical

plug or other electrical connection.

c. Connecting a test substitute in parallel with an electrolyt-

ic capacitor in the instrument. CAUTION: A wrong part substitution or incorrect

polarity installation of electrolytic capacitors may result in an explosion hazard.

d. Discharging the picture tube anode.

2. Test high voltage only by measuring it wih an appropriate high voltage meter or other voltage measuring device (DVM, FETVOM, etc.) equipped with a suitable high voltage probe. Do not test high voltage by “drawing an arc.”

3. Discharge the picture tube’s anode by (a) first connecting one end of an insulated clip lead to the degaussing or kine aquadag grounding system shield at the point where the picture tube socket ground lead is connected, and then (b) touch the other end of the insulated clip lead to the picture tube high voltage output, using an insulated handle to avoid personal contact with high voltage.

4. Do not spray chemicals on or near this instrument or any of its assemblies.

5. Unless specified otherwise in these ser vice data, clean electrical contacts by applying the following mixture to the contacts with a pipe cleaner, cotton-tipped stick or comparable nonabrasive applicator: 10% (by volume) Acetone and 90% (by volume) ispropyl alcohol (90%-99% strength). CAUTION: This is a flammable mixture. Unless specified

otherwise in these service data, lubrication of contacts is not required.

6. Do not defeat any plug/socket B+ voltage interlocks which instruments covered by this service data might be equipped.

7. Do not apply AC power to this instrument and/or any of its electrical assemblies unless all solid-state device heat-sinks are correctly installed.

8. Always connect the test instrument ground lead to the appropriate instrument chassis ground before connecting the test instrument positive lead. Always remove the test instrument ground lead last.

9. Use with this instrument only the test fixtures specified in this service data. CAUTION: Do not connect the test fixture ground strap to

any heatsink in this instrument.

Electrostatically Sensitive (ES) Devices

Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor “chip” components. The following techniques should be used to help reduce the incidence of component damage caused by static electricity.

1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any electrostatic charge on your body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging wrist strap device, which should be removed for potential shock reasons prior to applying power to the unit under test.

2. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as aluminum foil, to prevent electrostatic charge build-up or exposure of the assembly.

3. Use only a grounded-tip soldering iron to solder or desolder ES devices.

4. Use only an anti-static type solder removal device. Some solder removal devices not classified as “anti-static”can generate electrical charges sufficient to damage ES device.

5. Do not use freon-propelled chemicals. These can generate electrical charges sufficient to damage ES devices.

6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most replacement ES devices are packaged with leads electrically shorted together by conductive foam, aluminum foil or comparable conductive material.)

7. Immediately before removing the protective material from the leads of a replacement ES device, touch the protective material to the chassis or circuit assembly into which the device will be installed. CAUTION: Be sure no power is applied to the chassis or

circuit, and observe all other safety precautions.

8. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity sufficient to damage an ES device.)

SERVICING PRECAUTIONS

General Soldering Guidelines

1. Use a grounded-tip, low-wattage soldering iron and appropriate tip size and shape that will maintain tip temperature within the range 500°F to 600°F.

2. Use an appropriate gauge of resin-core solder composed of 60 parts tin/40 par ts lead.

3. Keep the soldering iron tip clean and well-tinned.

4. Thoroughly clean the surfaces to be soldered. Use a small wire-bristle (0.5 inch or 1.25 cm) brush with a metal handle. Do not use freon-propelled spray-on cleaners.

5. Use the following desoldering technique. a. Allow the soldering iron tip to reach normal temperature

(500°F to 600°F).

b. Heat the component lead until the solder melts. Quickly

draw away the melted solder with an anti-static, suctiontype solder removal device or with solder braid. CAUTION: Work quickly to avoid overheating the circuit

board printed foil.

6. Use the following soldering technique. a. Allow the sodering iron tip to reach normal temperature

(500°F to 600°F).

b. First, hold the soldering iron tip and solder strand against

the component lead until the solder melts.

c. Quickly move the soldering iron tip to the junction of the

component lead and the printed circuit foil, and hold it there only until the solder flows onto and around both the component lead and the foil. CAUTION: Work quickly to avoid overheating the circuit

board printed foil or components.

d. Closely inspect the solder area and remove any e xcess or

splashed solder with a small wire-bristle brush.

IC Removal/Replacement

Some Hitachi unitized chassis circuit boards have slotted holes (oblong) through which the IC leads are inserted and then bent flat against the circuit foil. When holes are the slotted type, the following technique should be used to remove and replace the IC. When working with boards using the familiar round hole, use the standard technique as outlined in paragraphs 5 and 6 above.

Removal

1. Desolder and straighten each IC lead in one operation by gently prying up on the lead with the soldering iron tip as the solder melts.

2. Draw away the melted solder with an anti-static suction-type solder removal device (or with solder braid) before removing the IC.

Replacement

1. Carefully insert the replacement IC in the circuit board.

2. Carefully bend each IC lead against the circuit foil pad and solder it.

3. Clean the soldered areas with a small wire-bristle brush. (It is not necessary to reapply acrylic coating to areas.)

“Small-signal” Discrete Transistor Removal/Replacement

1. Remove the defective transistor by clipping its leads as close as possible to the component body.

2. Bend into a “U” shape the end of each of three leads remaining on the circuit board.

3. Bend into a “U” shape the replacement transistor leads.

4. Connect to replacement transistor leads to the corresponding leads extending from the circuit board and crimp the “U” with long nose pliers to insure metal to metal contact, then solder each connection.

Power Output Transistor Devices Removal/Replacement

1. Heat and remove all solder from around the transistor leads.

2. Remove the heatsink mounting screw (if so equipped).

3. Carefully remove the transistor from the circuit board.

4. Insert new transistor in circuit board.

5. Solder each transistor lead, and clip off excess lead.

6. Replace heatsink.

Diode Removal/Replacement

1. Remove defective diode by clipping its leads as close as possilbe to diode body.

2. Bend the two remaining leads perpendicularly to the circuit board.

3. Observing diode polarity, wrap each lead of the new diode around the corresponding lead on the circuit board.

4. Securely crimp each connection and solder it.

5. Inspect (on the circuit board copper side) the solder joints of the two “original leads”.If they are not shiny , reheat them and, if necessary, apply additional solder.

Use Solding Iron to Pry Leads

Fuses and conventional Resistor Removal/Replacement

1. Clip each fuse or resistor lead at top of circuit board hollow stake.

2. Securely crimp leads of replacement component around stake 1/8 inch from top.

3. Solder the connections. CAUTION: Maintain original spacing between the replaced

component and adjacent components and the circuit board, to prevent excessive component temperatures.

Circuit Board Foil Repair

Excessive heat applied to the copper foil of any printed circuit board will weaken the adhesive that bonds the foil to the circuit board, causing the foil to separate from, or “lift-off” the board. The following guidelines and procedures should be followed whenever this condition is encountered.

In Critical Copper Pattern Areas

High component/copper pattern density and/or special voltage/current characteristics make the spacing and integrity of copper pattern in some circuit board areas more critical than in others. The circuit foil in these area is designated as Critical Copper Pattern. Because Cr itical Copper Pattern requires special soldering techniques to ensure the maintenance of reliability and safety standards, contact your Hitachi personnel.

At IC Connections

To repair defective copper pattern at IC connections, use the following procedure to install a jumper wire on the copper pattern side of the circuit board. (Use this technique only on IC connections.)

1. Carefully remove the damaged copper pattern with a sharp knife. (Remove only as much copper as absolutely necessary.)

2. Carefully scratch away the solder resist and acrylic coating (if used) from the end of the remaining copper pattern.

3. Bend a small “U” in one end of a small-gauge jumper wire and carefully crimp it around the IC pin. Solder the IC connection.

4. Route the jumper wire along the path of the cut-away copper pattern and let it overlap the previously scraped end of the good copper pattern. Solder the overlapped area, and clip off any excess jumper wire.

At Other Connections

Use the following technique to repair defective copper pattern at connections other than IC Pins. This technique involv es the installation of a jumper wire on the component side of the circuit board.

1. Remove the defective copper pattern with a sharp knife. Remove at least 1/4 inch of copper, to ensure hazardous condition will not exist if the jumper wire opens.

2. T race along the copper pattern from both wire sides of the pattern break and locate the nearest component directly connected to the affected copper pattern.

3. Connect insulated 20-gauge jumper wire from the nearest component on one side of the pattern break to the lead of the nearest component on the other side. Carefully crimp and solder the connections. CAUTION: Be sure the insulated jumper wire is dressed so

that it does not touch components or sharp edges.

Frequency Synthesis (FS) Tuning Systems

1. Always unplug the instrument AC power cord before disconnecting or reconnecting FS tuning system cables and before removing or inserting FS tuning system modules.

2. The FS tuner must never be disconnected from the FS tuning control module while the power is applied to the instrument.

3. When troubleshooting intermittent problems that might be caused by defective cable connection(s) to the FS tuning system, remove the instrument AC power as soon as the defective connector is found and finish confirming the bad connection with a continuity test. This procedure will reduce the probability of electrical overstress of the FS system semi-conductor components.

DEFECTIVE COPPER REMOVED

Insulated Jumper Wire

BARE JUMPER WIRE

CRIMP AND SOLDER

Install Jumper Wire and Solder

Leadless Chip Components (surface mount)

Chip components must be replaced with identical chips due to critical foil track spacing. There are no holes in the board to mount standard transistors or diodes. Some chip capacitor or resistor board solder pads may have holes through the board, however the hole diameter limits standard resistor replacement to 1/8 watt.Standard capacitors may also be limited for the same reason. It is recommended that identical chip components be used. Chip resistors have a three digit numerical resistance code -1st and 2nd significant digits and a multiplier.Example: 162 = 1600 or 1.6KΩ resistor, 0 = 0Ω (jumper). Chip capacitors generally do not have the v alue indicated on the capacitor. The color of the component indicates the general range of the capacitance. Chip transistors are identified by a two letter code. The first letter indicates the type and the second letter, the grade of transistor. Chip diodes have a two letter identification code as per the code chart and are a dual diode pack with either common anode or common cathode. Check the parts list for correct diode number.

Component Removal

1. Use solder wick to remo ve solder from component end caps or terminals.

2. Without pulling up, carefully twist the component with tweezers to break the adhesive.

3. Do not reuse removed leadless or chip components since they are subject to stress fracture during removal.

Chip Component Installation

1. Put a small amount of solder on the board soldering pads.

2. Hold the chip component against the soldering pads with tweezers or with a miniature alligator clip and apply heat to the pad area with a 30 watt iron until solder flows. Do not apply heat for more than 3 seconds.

How to Replace Flat-lC —Required T ools—

• Soldering iron • iron wire or small awl

• De-solder braids • Magnifier

1. Remove the solder from all of the pins of a Flat-lC by using a de-solder braid.

2. Put the iron wire under the pins of the Flat-lC and pull it in the direction indicated while heating the pins using a soldering iron. A small awl can be used instead of the iron wire.

3. Remove the solder from all of the pads of the Flat-lC by using a de-solder braid.

4. Position the new Flat-lC in place (apply the pins of the FlatlC to the soldering pads where the pins need to be soldered). Properly determine the positions of the soldering pads and pins by correctly aligning the polarity symbol.

6.Check with a magnifier for solder bridge between the pins or for

dry joint between pins and soldering pads. To remove a solder bridge, use a de-solder braid as shown in the figure below.

NOTE:

These components are affixed with glue. Be careful not to break or damage any foil under the component or at the pins of the ICs when removing. Usually applying heat to the component for a short time while twisting with tweezers will break the component loose.

Chip Components

TYPE

GRADE

SOLDER CAPS

TRANSISTOR

CAPACITOR

1ST DIGIT

2ND DIGIT

MULTIPLIER = 1600 = 1.6K

ANODES

MH DIODE

RESISTOR

SOLDER CAPS

COMMON CATHODE

De-Solder

Braid

Soldering

Iron

Soldering

Iron

Soldering

Iron

Soldering

Iron

Solder

Bridge Solder

De-Solder

Braid

Iron

Wire

Pull

Awl

Polarity Symbol

5. Solder all pins to the soldering pads using a fine tipped soldering iron.

Soldering

Iron

De-Solder

Braid

Flat-IC

Soldering

Iron

TECHNICAL SPECIFICATIONS

POWER RATINGS

36UX01S/CZOU . . . . . . . . . . . .168 Max. Watts

32UX01S/CYOU . . . . . . . . . . . .168 Max.Watts

36GX01B/CZOG . . . . . . . . . . . .150 Max. Watts

32GX01B/CYOG . . . . . . . . . . . .150 Max. Watts

COLOR PICTURE TUBE

36UX01S/CZOU . . . . . . . . . . . . .A90AHH50X01

32UX59B/CYOU . . . . . . . . . . . . .A80LJF30X(W)

36GX01B/CZOG . . . . . . . . . . . . .A90LPY30X01

32GX01B/CYOG . . . . . . . . . . . . .A80LJF30X(W)

CAUTION: Below is an EXAMPLE only. See Replacement Parts List for details.The following symbol near the fuse indi-

cates fast operating fuse (to be replaced).Fuse ratings appear within the symbol.

Example:

The rating of fuse F901 is 8.0A-125V. Replace with the same type fuse for continued protection against fire.

“RISK OF FIRE - REPLACE FUSE AS MARKED”

8 A 125V

125V

F901

TECHNICAL CAUTIONS

High Voltage Limiter Circuit Operation Check and Overvoltage Protection Circuit Operation Check

Adjustment Preparation

1. Connect a High Voltage Voltmeter between CPT Anode terminal (Anode capside) and Ground.

2. Set the AC input voltage to 120±3V.

3. Receive Circle Pattern or Broadcast Signal and set “BRIGHTNESS” and “CONTRAST” to maximum. Adjust the SCREEN VR so that Beam Current is IB±0.1mA.(The voltage at ABL terminal (C706) should be 12V or less.)

Adjustment Procedure

1. Check that the normal High Voltage and +B Voltage as below.

2. Connect a 10KΩ 1/8W resistor to both ends of D703 and check that power is turned off.

3. Disconnect the AC plug and remove the 10kΩ resistor.

To D704

10kΩ 1/8W Resistor

D703

R704

+56V

Resistor

CPT

CPT Anode

High Voltage Voltmeter (DC Voltage Divider)

Digital Voltmeter

CPT Ground Wire

(TP701)

30.0

Use the voltmeter impedance 10MΩ or more with indication to the first decimal place.

CHASSIS EHT앧1kV IB앧0.1mA +B CZOU,CZOG

30.0±1kV 1.7±0.1mA 140앧0.3V

CYOU, CYOG

29.0±1kV 1.5±0.1mA 140앧0.3V

C706

0.1/50

ABL

T702 FBT

Less than 12V

High Voltage Voltmeter (DC Voltage Divider)

Digital Voltmeter

CPT Anode

CPT Ground Wire

Use the voltmeter which can indicate up to the first decimal point with an impedance of 10MΩ or more.

CONTENTS Page #

Contents of Adjustments ....................................................................................................................................................................10

• Front Panel, Rear Panel and Remote Control Operation ..............................................................................................................13

1. Front Panel Controls (refer to remote control for basic operation)..............................................................................................13

2. Front Panel Jacks and Connections............................................................................................ ................................................15

3. Rear Panel Jacks ........................................................................................................................................................................18

4. Rear Panel Connections..............................................................................................................................................................19

5. The Remote To Control Your TV ..................................................................................................................................................20

• Adjustment Procedures ....................................................................................................................................................................21

I. Main Chassis Adjustment ........................................................................................................................................................21

1. Multi Master I

C Bus System..........................................................................................................................................21

2. Adjustment Procedure Star t-Up ....................................................................................................................................21

3. Adjustment Mode............................................................................................................................................................22

4. Adjustment Procedure ....................................................................................................................................................22

4.1 Initial Setting of EEPROM (I003)....................................................................................................................................22

4.3 MTS Adjustment ............................................................................................................................................................23

4.3.1 Input Level Adjustment ..........................................................................................................................................23

4..3.2 Stereo VCO Adjustment ........................................................................................................................................23

4.3.3 Filter Adjustment....................................................................................................................................................24

4.3.4 Separation Adjustment ..........................................................................................................................................24

4.3.5 SAP VCO Adjustment............................................................................................................................................24

4.3.6 Check data of MTS demodulation circuit adjustment ....................................................................................................24

II. Function Setting........................................................................................................................................................................24

1. How to Set Memory Switch Setting Mode......................................................................................................................24

2. Explanation of Memor y Switch Functions ......................................................................................................................25

III. Memory Initialize........................................................................................................................................................................25

1. Memory Initialize Operation Check ................................................................................................................................25

IV. Operation Check........................................................................................................................................................................25

1. AFC Operation Check ....................................................................................................................................................25

2. Channel Selection Circuit Operation Check ..................................................................................................................26

2.1 Channel Up/Down Selection ..........................................................................................................................................26

2.2 CH Up/Down ..................................................................................................................................................................26

2.3 Volume Up/Down.............................................................................................................. ..............................................28

2.4 Power On/Off..................................................................................................................................................................28

2.5 Input................................................................................................................................................................................28

2.6 Menu...............................................................................................................................................................................28

2.7 Menu Mode (using Remo-con) ......................................................................................................................................28

2.7.1 Set Up Mode ..................................................................................................................................................................28

2.7.2 Program Mode................................................................................................................................................................29

2.7.3 Parental Control..............................................................................................................................................................30

2.7.4 Clock Mode (clock operation check) ..............................................................................................................................30

2.7.5 Picture Mode ..................................................................................................................................................................31

2.7.6 Sound Mode ..................................................................................................................................................................31

V. Deflection Circuit Picture Adjustment Operation Check ......................................................................................................32

1. High Voltage Limiter Circuit Operation Check and Over Voltage Protection Circuit Operation Check ..........................32

2. FBT Protection Circuit Operation Check ........................................................................................................................32

3. Load Shor t Protection Circuit Operation Check ............................................................................................................33

4. Weak Electric Field Check..............................................................................................................................................33

VI. Remo-con Operation Check ....................................................................................................................................................33

1. Direct Channel Selection................................................................................................................................................33

2. Last LST-CH (Last Channel Recall) ................................................................................................................................33

3. Mute................................................................................................................................................................................33

4. Recall ..........................................................................................................................................................................33

5. PinP....... 33

6. Move...............................................................................................................................................................................34

7. Swap...............................................................................................................................................................................34

8. Freeze...34

9. PinP Ch ..........................................................................................................................................................................34

VII. Memor y Initialize (2) ..................................................................................................................................................................34

VIII. Final Assembly Adjustment/Common Service Adjustment..................................................................................................34

1. Purity Convergence Adjustment ....................................................................................................................................34

1.2 Purity Adjustment (Using Microscope) ..........................................................................................................................35

1.3 Purity Adjustment (Hand Operation) ..............................................................................................................................37

1.4 Static Convergence Adjustment ....................................................................................................................................39

1.5 Dynamic Convergence Adjustment ................................................................................................................................40

2. Focus Adjustment ..........................................................................................................................................................40

IX. Deflection circuit picture adjustment......................................................................................................................................41

1. Deflection Circuit Picture Adjustment ........................................................................................ ....................................41

1.1. Horizontal Center Adjustment................................................................................................................................41

1.2 Vertical Size and Phase Adjustment ......................................................................................................................41

1.3 Side Pin Distortion Adjustment..............................................................................................................................41

1.4 Horizontal Size Adjustment....................................................................................................................................42

1.5 E/W Trapezoid Adjustment ....................................................................................................................................42

X. White Balance ..........................................................................................................................................................................43

1. White Balance Adjustment ............................................................................................................................................43

2. Sub Black Level Adjustment ..........................................................................................................................................43

3. Sub Picture Adjustment..................................................................................................................................................43

3.1 Sub Picture White Balance Adjustment ................................................................................................................43

XI. Matching Check With Other Instrument..................................................................................................................................44

1. VIDEO:1 Input Terminal Matching Check....................................................................................... ...............................44

2. VIDEO:2 Input Terminal Matching Check ......................................................................................................................44

3. VIDEO:3 Input Terminal Matching Check ......................................................................................................................44

4. S-in:1 Input Terminal Matching Check............................................................................................................................44

5. Component Input Check ................................................................................................................................................44

6. Audio Out Level Check ..................................................................................................................................................45

XII. Safety Check.... ..........................................................................................................................................................................45

1. Polarity Check ................................................................................................................................................................45

XIII. MTS Operation Check ..............................................................................................................................................................45

1. STEREO/SA Broadcast Receiving Check......................................................................................................................45

2. MTS Mode Check ..........................................................................................................................................................45

3. STEREO Separation Check...................................................................................................... ..................................................45

XIV. Setting for Delivery....................................................................................................................................................................46

XV. Adjustment Position List ..........................................................................................................................................................47

A detailed explanation of the circled numbers is on page 14.

PUSH

POWER CH - CH + VOL - VOL + MENU INPUT

CURSOR

Power Button

Channel Buttons

Volume Buttons

햲

햳

햴

햶

POWER CH - CH + VOL - VOL + INPUT

EXIT MENU

CURSOR

햵

INPUT/

EXIT

햷

Infrared

Sensor

OPEN DOOR

VIDEO

L/MONO R

AUDIO

INPUT 3

햸 Video 3 Input

PUSH

32UX01S and 36UX01S models only.

FRONT PANEL CONTROLS

 CHANNEL Selector

Press these buttons until the desired channel appears in the top right corner of the TV screen.

 VOLUME Level

Press these buttons for your desired sound level. The volume level will be displayed on the TV screen.

 INPUT/EXIT Button

Press this button to select the current antenna or VIDEO source. Your selection is shown in the top right corner of the screen. This button also serves as the EXIT button when in MENU mode.

NOTE: Your HITACHI TV will appear to be turned OFF if there is no video input when VIDEO Source is selected. Press

the INPUT button until the normal broadcast picture appears. If the picture does not appear, the power is OFF.

 MENU Button

This button allows you to enter the MENU, making it possible to set TV features to your preference with out using the remote.

 FRONT INPUT JACKS

Use these audio/video jacks for a quick hook-up to a comcorder or VCR to instantly view your favorite show or new recording. Press the INPUT button until VIDEO:3 appears in the top right corner of the TV screen. If you have mono sound, insert the audio cable into the left channel jack.

 REMOTE CONTROL INFRARED Sensor

Point your remote control at this area when selecting channels, adjusting volume, etc.

 POWER Button

Press this button to turn the TV on or off.

FRONT PANEL CONTROLS

The front panel jacks are provided as a convenience to allow you to easily connect a camcorder or VCR as shown in the following examples:

NOTE: Completely insert connection cord plugs when connecting to front panel jacks. If you do not, the picture that is played

back may be abnormal.

VIDEO L/MONO R

AUDIO

INPUT 3

VIDEO L/MONO R

AUDIO

INPUT 3

VIDEO L/MONO R

AUDIO

INPUT 3

FRONT PANEL JACKS AND CONNECTIONS











ANT A

TO CONVERTER

ANT B

AUDIO

(MONO)

L /

VIDEO

S-VIDEO

COMPONENT VIDEO

Y P P

AUDIO

(MONO)

L /

VIDEO

INPUT 1

AUDIO TO HI-FI

INPUT 2

VHF/UHF ANTENNA TERMINALS

AUDIO TO HI-FI OUTPUT TERMINALS

Y-P

B-PR

INPUTS

INPUT TERMINALS

S-VIDEO INPUT











VHF/UHF ANTENNA TERMINAL

AUDIO TO HI-FI OUTPUT TERMINALS

Y-P

B-PR

INPUTS

INPUT TERMINALS

S-VIDEO INPUT

VHF/UHF

AUDIO

(MONO)

L /

VIDEO

S-VIDEO

COMPONENT VIDEO

Y P P

AUDIO

(MONO)

L /

VIDEO

INPUT 1

AUDIO TO HI-FI

INPUT 2

햲 Antenna Inputs

32GX01B and 36GX01B models

The VHF/UHF terminal can be used for Normal TV, Cable TV (CATV), video games, etc.

32UX01S and 36UX01S models

The remote control allows you to switch between two separate 75-Ohm RF antenna inputs, ANT A and ANT B. ANT A input can be displayed as a main picture or sub-picture. ANT B can only be displayed as a sub picture. (ANT B cannot be displayed as a main picture.) The antenna output labeled ÒTO CONVERTERÓ allows the ANT A connection to pass directly to a different source such as a cable box.

햳 Audio/Video Inputs 1, 2

The INPUT button will step through each video source and antenna source input each time it is pressed. Use the audio and video inputs to connect external devices, such as VCRs, camcorders, laserdisc players, etc. (If you have mono sound, insert the audio cable into the left channel jack.)

햴 Y-P

BPR

Input

This input provides Y-PBPRjacks for connecting equipment with this capability, such as a DVD Player. This input can receive 480i signal only.

햵 Audio to HI-FI

These jacks provide variable audio output to a separate stereo amplifier. With this connection, the audio to the stereo can be controlled by the televisionÕs main volume. Use these jacks for the SURROUND Left and Right channels.

햶 S-Video

Inputs 1 provide S-Video (Super Video) jacks for connecting equipment with S-Video output capability.

REAR PANEL OF TELEVISION

32/36UX01S

32/36GX01B

REAR PANEL JACKS

TIPS ON REAR PANEL CONNECTIONS

The S-Video connections are provided for high performance laserdisc players, VCRs etc. that have this feature. Use these connections in place of the standard video connection if your device has this feature.

COMPONENT: Y-PBPRconnections are provided for high performance components, such as DVD players. Use these connections in place of the standard video connection if your device has this feature.

When using the Y-PBPRinput jacks, connect your components audio output to the TV’s Input 2 Left and Right Audio inputs jack. If your device has only one audio output (mono sound), connect it to the left audio jack on the television. Refer to the operating guide of your other electronic equipment for additional information on connecting your hook-up cables.

REAR PANEL CONNECTIONS (32UX01S and 36UX01S)

ANT A

TO CONVERTER

ANT B

AUDIO

(MONO)

L /

VIDEO

S-VIDEO

COMPONENT VIDEO

Y P P

AUDIO

(MONO)

L /

VIDEO

INPUT 1

AUDIO TO HI-FI

INPUT 2

ANT A

TO CONVERTER

ANT B

AUDIO

(MONO)

L /

VIDEO

S-VIDEO

COMPONENT VIDEO

Y P P

AUDIO

(MONO)

L /

VIDEO

INPUT 1

AUDIO TO HI-FI

INPUT 2

ANT A

TO CONVERTER

ANT B

AUDIO

(MONO)

L /

VIDEO

S-VIDEO

COMPONENT VIDEO

Y P P

AUDIO

(MONO)

L /

VIDEO

INPUT 1

AUDIO TO HI-FI

INPUT 2

Optional, see tips on page 15

Cable TV Box

Outside antenna or cable TV coaxial cable

2-Way signal splitter

INPUT

OUTPUT

VCR #1

OUTPUT

V L R

S-VHS

ANT

OUTPUT

Y P P

L R

DVD Player, Laserdisc player, etc.

INPUT

Stereo System Amplifier

Typical full feature setup. Follow connections that pertain to your personal entertainment system.

REAR PANEL CONNECTIONS (32GX01B AND 36GX01B)

Optional, see tips on page 15

Outside antenna or cable TV coaxial cable

2-Way signal splitter

VCR #1

OUTPUT

V L R

S-VHS

ANT

OUTPUT

Y P P

L R

DVD Player, Laserdisc player, etc.

INPUT

Stereo System Amplifier

VHF/UHF

AUDIO

(MONO)

L /

VIDEO

S-VIDEO

COMPONENT VIDEO

Y P P

AUDIO

(MONO)

L /

VIDEO

INPUT 1

AUDIO TO HI-FI

INPUT 2

Typical full feature setup. Follow connections that pertain to your personal entertainment system.

USING THE REMOTE TO CONTROL YOUR TV

POWER

TV CBL/SAT DVD/VCR

SWAP MOVE

PIP

HELP

MUTE

PIP CH

EXIT

FREEZE

TV/VCR

LAST CH

VOL CH

123

456

POWER

TV CBL/SAT DVD/VCR

HELP

MUTE

EXIT

TV/VCR

LAST CH

VOL CH

123

456

789

INPUT SLEEP

REC

CLU-431UG

C.S.

RECALL

789

INPUT SLEEP

REC

CLU-381UG

C.S.

RECALL

I. MAIN CHASSIS ADJUSTMENT

1. Multi Master I

C Bus System

M10LXU Chassis uses I2C Bus control system. Fig. 1 shows this control system.

I001 (Master) controls other ICs (Slave).Adjustment data is memorized in I003 (EEPROM). I001 reads this data and controls other ICs (slave). Adjustment items applied in this chassis are shown in Table 1.

2. ADJUSTMENT PROCEDURE-START UP

2-1 How to Get to Adjustment Mode

Chassis adjustment can be done by using the front control panel buttons with CTV set turned off. Press “POWER” and “INPUT” keys at the same time, and hold for more than 3 seconds.The CTV set turns on in adjustment mode with OSD as follows.

“To Escape from Adjustment Mode” Press “POWER”button of remo-con or front panel once at anytime.Then set returns to normal state.

Hold 3 ~ 5 Sec

AUDIO Adjustment

Mode

Hold More Than 5 Sec.

PICTURE Adjustment

Mode

Adjustment Code (Refer to Table 1) Adjustment Data

P00

D000

A00

D000

A00

D000

TABLE 1

Adjustment Code

* This data is an approximate service code data. Fine

adjustment must be done using the specified test procedure and adjustment tools.

2-2 Changing Data and Adjustment Code

When the CTV set is in adjustment mode, the cursor 왖,왔,왗,왘 and MENU keys of the remote control

will be the adjustment keys.

A. Use any Hitachi remote control when making an

adjustment.

왖,왔 keys are used for changing adjustment code. 왗,왘 keys are used for changing data.

MENU key is used for changing “Cut Off Mode”/”Normal mode.” (Refer to cut off adjustment)

EXIT

Mode Function Adjustment Data Adjustment Code

MTS Stereo VCO adjustment 63~0 A01

SAP VCO adjustment 63~0 A02 FILTER adjustment 63~0 A03 Input level adjustment 63~0 A04 Low pass separation adjustment 63~0 A05 High pass separation adjustment 63~0 A06

VIDEO G DRIVE adjustment 127~0 P01

B DRIVE adjustment 127~0 P02 R Cut off adjustment 255~0 P03 G Cut off adjustment 255~0 P04 B Cut off adjustment 255~0 P05 SUB Brightness adjustment 31~0 P06 RGB Brightness adjustment 7~0 P07 H POSITION adjustment 31~0 P08 H SIZE adjustment 31~0 P09 V POSITION adjustment 63~0 P10 V SIZE adjustment 63~0 P11 E/W TARABOLA adjustment 63~0 P12 V-S CORRECTION adjustment 63~0 P13 V-LIN CORRECTION adjustment 127~0 P14 E/W TRAPEZOID adjustment 127~0 P15 E/W CORNER adjustment 63~0 P16 V CENTER adjustment 63~0 P17 SUB CONTRAST adjustment 127~0 P18 SUB COLOR adjustment 127~0 P19 SUB TINT adjustment 3~0 P20 SUB SHARPNESS adjustment P21 W/B G adjustment P22 W/B B adjustment P23 SERVICE P24

OSD OSD H POSITION M01

CCD SLICE LEVEL adjustment M02 CCD SYNC TIPSLICE LEVEL adj. M03 OSD H size adjustment M04

PIP R OFFSET adjustment 31~0 S01

G OFFSET adjustment 63~0 S02 B OFFSET adjustment 31~0 S03 PIP SUB COLOR adjustment 31~0 S04 PIP SUB TINT adjustment 63~0 S05 PIP CONTRAST adjustment 31~0 S06 PIP H POSITION 225~0 S07 PIP BRIGHTNESS adjustment 31~0 S08

(MASTER)

SCL1 SDA1

SCL2 SDA2

I001

MICRO

COMPUTER

U101

MAIN TUNER

I401 MTS

DECODER

I501

IF/VIDEO/CHROMA

/DEF

I003

EEPROM

(SLAVE)

U102

PIP TUNER

IP001

PINP

CONTROL

(SLAVE)

SCL3 SDA3

I301

SELECTOR

I401

AUDIO

CONTROL

(SLAVE)

Fig. 1

3. ADJUSTMENT MODE

1. Before turning ON the set, press and hold the POWER button and INPUT button of the front panel of TV set for about 3 seconds.

2. After 3 seconds, a small square will appear in the left center of the screen.There are two different displays, depending upon how long the POWER and INPUT buttons are pressed and held. One shows A and D for audio adjustment, and the other shows P and D for the picture adjustment.

3.To activate the picture adjustment mode, input a data value of 30 (D030), using the front panel or remote

control cursor 왗,왘 before any of the picture adjustments can be adjusted.

The same for the audio adjustment.To activate the adjustment, you need an input data value of 20 before any of the audio adjustments can be adjusted.

4.To make a selection, use the CURSOR keys on front control panel or the Remote Control.

A00

D000

P00

D000

D = Data value P = Picture A = Audio

P00

D000

5. After finishing the necessary adjustment press the ÒPOWERÓ button. Adjustment mode is released and TV set returns to normal condition.

4. ADJUSTMENT PROCEDURE 4-1 Initial setting of EEPROM (I003)

Adjustment Preparation (I2C adjustment only)

(1) Apply +12V to 쎻 point and check 쎻 point is

5V±0.3V

(2) Connect I

C adjustment jig as shown.

Adjustment procedure

(1) Apply a DIODE as follows.

(2) Check  pin of I001 changes L H L.

Mi-con outputs “H” from  pin dur ing E2PROM initial operation. Never unplug before  pin return

to L. (3) TV set will tune to Channel 3. (4) Remove DIODE.

I001

R002

DIODE

R011

APPLY

Power Button

Channel Buttons

Volume Buttons

POWER CH - CH + VOL - VOL + INPUT

EXIT MENU

CURSOR

INPUT/

EXIT

Infrared

Sensor

Front Panel

Controls

Change Selection (Up)

Increase Data Value

Change Selection (Down)

Decrease Data Value

I903

C960

I001

I003

4-3 MTS ADJUSTMENT

4-3-1 Input Level Adjustment

Adjustment Preparation (1) Apply a signal to output terminals of the Main

Tuner on the Main PWB using the circuit shown below. Connect 100Ω resistor between AGC terminal, Pin 햲 and GND.

Sound modulation condition:

Noise reduction encoder: ON Stereo signal;

햲 R=0 (L only), 300Hz, 30% modulation 햳 R=0 (L only), 3kHz, 30% modulation

Monaural signal; 햴 Monaural, 400Hz, 100% modulation

(PRE-EN Off) SAP signal; 햵 SAP, 300Hz, 30% modulation (see note) (2) Connect AC voltmeter Vo to I401 pin .

Use the AC voltmeter of Matsushita model

VP-950C or equivalent.

Adjustment Procedure

(1) Select sound input 햴 then adjust the data “A04”

to Vo= 500mVrmsw10mVrms at I401 pin .

4-3-2 Stereo VCO adjustment

Adjustment Prepar

ation (1) Same as items 4-3-1(1) and 4-3-1(2). (2) Connect a frequency counter to I401 pin . Use

1:1 Probe.

(Probe standard Ri≥1MΩ, Ci≤15pF)

(3) Should be no signal at pin 햸 (I401). (4) Connect capacitor (100µF/16v) as it is shown. (5) Select adjustment code “A01.”

Adjustment Procedure (1) Adjust the data “A01” to set 15.73±0.1KHz by 왗,왘

keys.

(2) Remove capacitor (100µF/16v)

U101

R107

100

애F/16v

R401

R402

C406

I401

Note : Video signal and Audio Signal should be synchronized.

Video signal

Generator

MTS signal

Generator

EXT

SYNC

IF modulator output signal waveform (Color bar or all white)

87.5%

VIDEO

AUDIO

IF modulator (50Ω output)

fp=45.75MHz fs=41.25MHz

25%

100%

2200PF

50Ω

Carrier 0

IF terminal

MAIN

TUNER

U101

100Ω

IF modulator output level and P/S

P=105dBu (50Ω termination) S level; -3dB to P level At this time, S/N ratio of F/E video output is 45dB or less.

4-3-3 Filter Adjustment

Adjustment Preparation

(1) Connect capacitor 100 애F/16V as it is shown. (2) Apply signal to I401 pin 햸 with the circuit as it is

shown.

(3) Connect an AC voltmeter or oscilloscope to I401

pin .

(4) Select adjustment code “A03.” Adjustment Procedure

(1) Adjust the data “A03” so that the voltage of I401

pin becomes minimum by 왗,왘 keys.

4-3-4 Separation Adjustment

(The adjustment of items 4-3-1 and 4-3-3 must be completed first)

Adjustment Preparation (1) Use the same circuit as input level adjustment

4-3-1(1).

(2) Connect a frequency counter to I401 pin or

connect an oscilloscope.

(3) Select adjustment code “A05” and set data “D032”. Adjustment Procedure

(1) Select input signal 햲 and select adjustment code

“A05”. Adjust by 왗,왘 keys so that 300Hz level becomes minimum (L separation adjustment)

(2) Select input signal

햳 and select adjustment code

“A06”. Adjust by 왗,왘 keys so that 3KHz level becomes minimum (H separation adjustment).

(3) Repeat (1) and (2). Adjustment precision:

within +1dB from minimum point.

4-3-5 SAP VCO Adjustment

Adjustment Preparation (1) Connect a frequency counter to I401 pin .

(2) Select adjustment Code “A02”. (3) Connect same circuit as in item 4-3-2(5).

(4) Apply 1MΩ resistor to I401 pin 햾 and GND.

Adjustment Procedure

(1) Adjust the data “A02” by 왗,왘 keys so that the

frequency is 78.67+0.5KHz.

(2) Remove 1MΩ resistor.

4-3-6 Check data of MTS demodulating circuit

adjustment.

(1) Unplug set after all items are adjusted. (2) Plug in the TV set. (3) Check that data are the same as adjusted.

II. FUNCTION SETTING

M10LXU Chassis has the data for setting variety functions in EEPROM (I003). Microprocessor (I001) set the functions needed for each model according to EEPROM data (memory switch data).

1. HOW TO SET MEMORY SWITCH SETTING MODE

(1) Repeat section 4-1 (initial setting of EEPROM

(I003) on Page 22).

(2) TV set will automatically send features data to

appropriate model.

(3) Table 1 below shows model name and their fea-

tures.

DATA NAME

TU V 50/60 PIP

MODEL NAME

36UX01S 32UX01S

36GX01B 32GX01B

TABLE 1 MODEL AND DATA TABLE

10 11 11 10

F/E

U101

100µF/16V

SG 600⏲

Output

Signal

Generator

SG output signal spec.

Frequency f=15.73kHz (Sine wave)

Signal Level

V=100mVrms

600⏲

R401

R402

4.7애F/25

C406

I401

APPLY

햾

1M½

2. EXPLANATION OF MEMORY SWITCH FUNCTIONS

(1) TU (2 Tuners)

Selects TU for 1 or 2 tuners. Data “1” - Two tuners. Data “0” - One tuner.

(2) (V-CHIP)

Selects (V-CHIP) Function or not. Data “1” - Apply (V-CHIP) function. Data “0” - Do not apply (V-CHIP) function.

(3) 50/60

Apply 50/60 frequency or not. Data “1” Apply 50/60 frequency. Data “0” Do not apply 50/60 frequency.

(4 ) PIP

Apply PIP function or not. Data “1” - Apply PIP function. Data “0” - Do not apply PIP function.

III. MEMORY RE-INITIALIZATION

1.MEMORY INITIALIZE OPERATION CHECK

Adjustment Procedure (1) Apply diode as follows.

(2) Check that the receiving channel goes to CH03.

Unit is set to factory settings.

(3) Remove diode.

IV. OPERATION CHECK

1. AFC OPERATION CHECK

Adjustment Preparation (1) Connect the circuit as shown below to the ANT

terminal.

Adjustment Procedure (1) Receive a standard carrier (not offset) with the

channel up/down or direct selection buttons.

(2) Receive an offset signal of +1.5MHZ.Check that it

is pulled into the standard tuning point. (Perform the channel selection operation.)

(3) Receive an offset signal of -1.5MHZ.Check that it

is pulled into the standard tuning point. (Perform the channel selection operation again.) Note: Modulation signal should be used at the circle pattern and the color bar signal.

Checking circuit

(All channel converter can be used)

CONVERTER

RF CONVERTER

TO ANT

I001

R001

DIODE

R011

APPLY

2. CHANNEL SELECTION CIRCUIT OPERATION CHECK 2-1 Channel Up/Down Selection

Adjustment Preparation (1) Set the TV set so that VHF (11, 13CH), UHF (14,

46, 63CH) and CATV (A, E, P, WCH) can be received.

(2) Set Signal Source mode to Antenna on the set up

menu. (Press the Menu key, and select Setup, then select Signal Source mode, See next page.)

Adjustment Procedure (1) Check that VHF are received correctly by pressing

CH Up (왖) or Down (왔) button.

Adjustment Preparation (3) Set Signal Source mode to CATV 1.

Adjustment Procedure (2) Perfor m the same operation as in Item (1), and

check that VHF and CATV are received correctly.

Adjustment Preparation (4) Set Signal Source mode to CATV 2.

Adjustment Procedure (3) Perfor m the same operation as in Item (1), and

check that VHF and CATV are received correctly.

Note:This check should be done to both ANT A and B.

(32UX01S and 36UX01S models)

2-2 CH Up/Down

Adjustment Preparation

(1) Set the TV set so that VHF (11, 13CH), UHF (14,

46, 63CH) and CATV (A, E, P, W CH) can be received.

Adjustment Procedure

(1) Set Signal Source mode to Antenna on the SET

UP menu.

(2) Select Auto CH set mode and press (왘) key on

the set up menu. After Auto CH set, operation is completed. By pressing the channel Up (왖) or Down (왔 ) button, check that the channels having

broadcast signal (s) can be received. (3) Set Signal Source mode to CATV 1. (4) Perform the same operation as in Item (2) and

check that CATV can be received correctly.

FAV

SET UP CUSTOM VIDEO AUDIO THEATER

MENU LANGUAGE SIGNAL SOURCE ANTENNA AUTO CHANNEL SET CATV 1 CHANNEL MEMORY CATV 2 CHANNEL LIST CLOCK SET

MENU TO MENU BAR TO QUIT EXIT

SET UP MENU

Adjustment Preparation

(2) Set the CHANNEL LIST mode (in SET UP menu).

Note: CATV channels, actual input channels numbers and indicated channel numbers shown in Table 3 below.

Adjustment Procedure

(5) Check that the item of SCAN of channels which

can be selected as above is ON.

Note 1: CATV channels, actual input channel numbers

and indicated channel numbers.

A................................14

E................................18

P................................29

W...............................36

Note 2: This check should be done to both ANT A

and B.

(32UX01Snd 36UX01S models)

TABLE 3

ABCDE FGH I J KLMNOPQRST UVW

14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36

W+1 W+2 W+3 W+4 W+5 W+6 W+7 W+8 W+9 W+10 W+11 W+12 W+13 W+14 W+15 W+16 W+17 W+18 W+19 W+20 W+21 W+22 W+23

37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59

W+24 W+25 W+26 W+27 W+28 W+29 W+30 W+31 W+32 W+33 W+34 W+35 W+36 W+37 W+38 W+39 W+40 W+41 W+42 W+43 W+44 W+45 W+46

60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82

W+47 W+48 W+49 W+50 W+51 W+52 W+53 W+54 W+55 W+56 W+57 W+58 A-5 A-4 A-3 A-2 A-1 W+59 W+60 W+61 W+62 W+63 W+64

83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105

W+65 W+66 W+67 W+68 W+69 W+70 W+71 W+72 W+73 W+74 W+75 W+76 W+77 W+78 W+79 W+80 W+81 W+82 W+83 W+84

106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125

HYPER BAND ULTRA BAND

ULTRA BAND

ULTRA BAND MID BAND ULTRA BAND

MID BAND SUPER BAND

HYPER BAND

W+1 W+2 W+3 W+4 W+5 W+6 W+7 W+8 W+9

W+10 W+11 W+13 W+14W+12

W+15 W+17 W+18W+16

W+21

W+22 W+23W+20W+19

W+24

W+26

W+27

W+25

W+28

W+30

W+31W+29

W+34

W+35

W+33W+32

W+36

W+37

W+40

W+41

W+39W+38

W+42

W+43

W+46

W+53

W+45W+44

W+47

W+48

W+51

W+52

W+50W+49

A-4

W+54

W+55

W+58

A-5

W+57W+56

W+62

W+63

W+64

A-3

A-2

W+60

W+61

W+59A-1

W+84

W+83

W+81

W+80

W+78

W+79

W+77

W+76

W+74

W+75

W+73

W+72

W+70

W+71

W+69

W+68

W+66

W+67

W+65

2-3 VOLUME UP/DOWN

Adjustment Procedure (1) Check that the volume level and volume indication

is going up or down simultaneously by pressing volume Up (왖) or Down (왔) button.

2-4 POWER ON/OFF

Adjustment Procedure (1) Check that the power alternates between On and

Off with each press of the Power button.

2-5 INPUT

Adjustment Procedure

(1) Check that the O.S.D.changes with every press

of the Input button, as below.

2-6 MENU

(1) Check that the Menu O.S.D.displays by pressing

Menu button. Note: Menu O.S.D. is displayed as below.

OSD MENU

ANT A 10

Video: 1

Video: 2 Video: 3

ANT B 13

32UX01S and 36UX01S

Volume 10

왘왗

2-7 MENU MODE (using Remo-con)

2-7-1 Set Up Mode

Adjustment Preparation (1) Set to CHANNEL MEMORY mode (SET UP Menu).

Adjustment Procedure (1) Check the selection of ADD, ERASE by pressing

the 왖(왔) button.

SET UP MENU

(2) After Menu O.S.D. is displayed, check that front

panel buttons function change as follows:

Menu 씮 MENU CH Up 씮 왖 key CH Down 씮 왔 key Volume Up 씮 왘 key Volume Down 씮 왗 key

Adjustment Prepar

ation

(2) a. Set the mode to CLOSED CAPTION

(CUSTOM Menu)

b.Receive signal having Closed Caption signal.

CUSTOM MENU

Adjustment Procedure

(1) Set DISPLAY setting to ON with CURSOR 왘 .

At this time, set the other settings as follows.

1. DISPLAY : ON

2. MODE : C.C.

3. CHANNEL : 1

(2) Check that the Caption corresponding to the

above setting is displayed on the screen. (3) Set CHANNEL to 2. (4) Check that the Caption of Channel 2 is displayed

on the screen. (5) Set CHANNEL to 1. (6) Check that the Caption of Channel 1 (Field 2) is

displayed on the screen. (7) Set the mode to TEXT.

MENU TO MENU BAR TO QUIT EXIT

SET UP CUSTOM VIDEO AUDIO THEATER

FAV

MENU LANGUAGE SIGNAL SOURCE AUTO CHANNEL SET CHANNEL MEMORY CHANNEL LIST CLOCK SET

FAV

SET UP CUSTOM VIDEO AUDIO THEATER

MENU LANGUAGE SIGNAL SOURCE CHANNEL 03 AUTO CHANNEL SET ADD CHANNEL MEMORY ERASE CHANNEL LIST NEXT CH CLOCK SET CH 왖 CH 왔

MENU TO MENU BAR TO QUIT EXIT

FAV

SET UP CUSTOM VIDEO AUDIO THEATER

CLOSED CAPTION

DISPLAY OFF ON MODE C.C. TEXT CHANNEL 1 2

MENU TO MENU BAR TO QUIT EXIT

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