Sharp LC-32A33T, LC-37A33T Service Manual

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LC-32/37A33T

SERVICE MANUAL

No. SY8T8LC37A33T

LCD COLOUR TELEVISION

LC-32A33T

MODELS

In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its original condition and only parts identical to those specified should be used.

LC-37A33T

OUTLINE

This model is based on the LC-32A33M and is changed some parts. This Service Manual covers the modifications alone. For the other points, refer to the LC-32A33M (No. SY7B8LC32A33M) Service Manual.

CONTENTS

OUTLINE AND DIFFERENCES FROM BASE MODEL

OUTLINE.................................................................... i

DIFFERENCES FROM BASE MODEL...................... i

SAFETY PRECAUTION

IMPORTANT SERVICE SAFETY

PRECAUTION...........................................................iii

PRECAUTIONS FOR USING LEAD-FREE

SOLDER .................................................................. iv

CHAPTER 1. SPECIFICATIONS

[1] SPECIFICATIONS .................................................1-1

Parts Guide

CHAPTER 2. OPERATION MANUAL

[1] OPERATION MANUAL ..........................................2-1

CHAPTER 3. DIMENSIONS

[1] DIMENSIONS (LC-32A33T)...................................3-1

[2] DIMENSIONS (LC-37A33T)...................................3-2

CHAPTER 4. REMOVING OF MAJOR PARTS

[1] REMOVING OF MAJOR PARTS (LC-32A33T)......4-1

[2] REMOVING OF MAJOR PARTS (LC-37A33T)......4-6

CHAPTER 5. SCHEMATIC DIAGRAM

[1] DESCRIPTION OF SCHEMATIC DIAGRAM.........5-1

[2] MAIN Unit...............................................................5-2

Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the safety and performance of the set.

This document has been published to be used for after sales service only. The contents are subject to change without notice.

Page 2

LC-32/37A33T

OUTLINE AND DIFFERENCES FROM BASE MODEL

Service Manual

OUTLINE

This model is based on the LC-32A33M and is changed some parts. This Service Manual covers the modifications alone. For the other points, refer to the LC-32A33M (No. SY7B8LC32A33M) Service Manual.

DIFFERENCES FROM BASE MODEL

LIST OF CHANGED PARTS (LC-32A33T)

Ref. No. Description

PRINTED WIRING BOARD ASSEMBLIES

R/C, LED Unit DUNTKE264FM03 ← — KEY Unit DUNTKE266FM03 ← — MAIN Unit DUNTKE508FM02 DUNTKE508FM15 Some internal parts changed INVERTER/POWER Unit RUNTKA419WJQZ RUNTKA419WJN1 Change (Unit Replacement Item)

LCD PANEL

LCD Panel Module Unit R1LK315T3GW20W R1LK315T3GW30W Change

MAIN Unit C8220 Capacitor RC-KZA620WJZZY — Delete C8221 Capacitor RC-KZA620WJZZY — Delete C8447 Capacitor VCKYCY1EB104KY — Delete C8448 Capacitor VCCCCZ1HH680JY — Delete C8449 Capacitor VCCCCZ1HH680JY — Delete C8450 Capacitor VCCCCZ1HH101JY — Delete C8451 Capacitor VCCCCZ1HH101JY — Delete C8452 Capacitor VCAAPC1CJ226MY — Delete C8453 Capacitor VCAAPC1CJ226MY — Delete C8454 Capacitor VCCCCZ1HH101JY — Delete C8455 Capacitor RC-KZA213WJZZY — Delete C8456 Capacitor RC-KZA620WJZZY — Delete C8457 Capacitor VCKYCY1EB104KY — Delete C8460 Capacitor RC-KZA211WJZZY — Delete IC801 IC RH-IXB886WJZZQ RH-IXB887WJZZQ Change IC8403 IC VHITB6815FG-1Y — Delete IC8404 IC RH-IXB420WJZZY — Delete Q8412 Transistor VSTPCP8505+-1Y — Delete Q8413 Transistor VSTPCP8602+-1Y — Delete Q8414 Transistor VSTPCP8505+-1Y — Delete R1340 Resistor VRS-TW2ED000JY — Delete R1341 Resistor VRS-TW2ED000JY — Delete R1342 Resistor VRS-TW2ED000JY — Delete R8235 Resistor VRS-CZ1JF183FY — Delete R8236 Resistor VRS-CZ1JF912FY — Delete R8238 Resistor VRS-CZ1JF913FY — Delete R8239 Resistor VRS-CZ1JF183FY — Delete R8240 Resistor VRS-CZ1JF163FY — Delete R8241 Resistor VRS-CZ1JF913FY — Delete R8463 Resistor VRS-CZ1JF332FY — Delete R8464 Resistor VRS-CZ1JF332FY — Delete R8465 Resistor — VRK-SB1FF000JY Add R8467 Resistor VRS-CZ1JF330JY — Delete R8469 Resistor VRS-CZ1JF1R0JY — Delete R8470 Resistor VRS-CZ1JF330JY — Delete R8471 Resistor VRS-CZ1JF102FY — Delete R8472 Resistor VRS-CZ1JF102FY — Delete R8473 Resistor VRS-CZ1JF330JY — Delete R8474 Resistor — VRK-SB1FF000JY Add R8476 Resistor VRS-CZ1JF000JY — Delete

LC-32A33M

(No. SY7B8LC32A33M)

LC-32A33T

(No. SY8T8LC37A33T)

Note

Page 3

LC-32/37A33T

Ref. No. Description

R8479 Resistor — VRS-CZ1JF000JY Add R8480 Resistor VRS-CZ1JF000JY — Delete R8482 Resistor VRS-CZ1JF1R0JY — Delete R8483 Resistor VRS-CZ1JF1R0JY — Delete R8485 Resistor — VRS-CZ1JF000JY Add R8486 Resistor VRS-CZ1JF000JY — Delete

CABINET AND MECHANICAL PARTS Please refer to a Parts list

PACKING PARTS, ACCESSORIES AND SERVICE JIGS Please refer to a Parts list

LC-32A33M

(No. SY7B8LC32A33M)

LC-32A33T

(No. SY8T8LC37A33T)

Note

LIST OF CHANGED PARTS (LC-37A33T)

Ref. No. Description

PRINTED WIRING BOARD ASSEMBLIES

R/C, LED Unit DUNTKE264FM03 ← — KEY Unit DUNTKE266FM03 ← — MAIN Unit DUNTKE508FM02 DUNTKE508FM16 Some internal parts changed INVERTER/POWER Unit RUNTKA419WJQZ — Delete POWER Unit — RDENCA288WJQZ Add (Unit Replacement Item) INVERTER Unit — RUNTKA418WJN1 Add (Unit Replacement Item)

LC-32A33M

(No. SY7B8LC32A33M)

LC-37A33T

(No. SY8T8LC37A33T)

Note

LCD PANEL

LCD Panel Module Unit R1LK315T3GW20W R1LK370T3GW20W Change

MAIN Unit IC801 IC RH-IXB886WJZZQ RH-IXB887WJZZQ Change R1340 Resistor VRS-TW2ED000JY — Delete R1341 Resistor VRS-TW2ED000JY — Delete R1342 Resistor VRS-TW2ED000JY — Delete

CABINET AND MECHANICAL PARTS Please refer to a Parts list

PACKING PARTS, ACCESSORIES AND SERVICE JIGS Please refer to a Parts list

Page 4

LC-32/37A33T

SAFETY PRECAUTION

Service Manual

IMPORTANT SERVICE SAFETY PRECAUTION

Service work should be performed only by qualified service technicians who are thoroughly familiar with all safety checks and the servicing guidelines which follow:

WARNING

1. For continued safety, no modification of any circuit should be attempted.

2. Disconnect AC power before servicing.

All checks must be repeated with the AC cord plug connection reversed. (If necessary, a nonpolarized adaptor plug must be used only for the purpose of completing these checks.)

Any reading of 0.74 Vrms (this corresponds to 0.5 mA rms AC.) or more is excessive and indicates a potential shock hazard which must be corrected before returning the monitor to the owner.

BEFORE RETURNING THE RECEIVER (Fire & Shock Hazard)

Before returning the receiver to the user, perform the following safety checks:

3. Inspect all lead dress to make certain that leads are not pinched, and check that hardware is not lodged between the chassis and other metal parts in the receiver.

4. Inspect all protective devices such as non-metallic control knobs, insulation materials, cabinet backs, adjustment and compartment covers or shields, isolation resistor-capacitor networks, mechanical insulators, etc.

5. To be sure that no shock hazard exists, check for leakage current in the following manner.

• Plug the AC cord directly into a 110 volt AC outlet.

• Using two clip leads, connect a 1.5k ohm, 10 watt resistor paralleled by a 0.15µF capacitor in series with all exposed metal cabinet parts and a known earth ground, such as electrical conduit or electrical ground connected to an earth ground.

• Use an AC voltmeter having with 5000 ohm per volt, or higher, sensitivity or measure the AC voltage drop across the resistor.

• Connect the resistor connection to all exposed metal parts having a return to the chassis (antenna, metal cabinet, screw heads, knobs and control shafts, escutcheon, etc.) and measure the AC voltage drop across the resistor.

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

TO EXPOSED METAL PARTS

DVM

AC SCALE

1.5k ohm 10W

0.15µF

TEST PROBE

CONNECT TO KNOWN EARTH GROUND

SAFETY NOTICE

Many electrical and mechanical parts in LCD colour television have special safety-related characteristics.

These characteristics are often not evident from visual inspection, nor can protection afforded by them be necessarily increased by using replacement components rated for higher voltage, wattage, etc.

Replacement parts which have these special safety characteristics are identified in this manual; electrical components having such features

are identified by " " and shaded areas in the Replacement Parts List and Schematic Diagrams.

For continued protection, replacement parts must be identical to those used in the original circuit.

The use of a substitute replacement parts which do not have the same safety characteristics as the factory recommended replacement parts shown in this service manual, may create shock, fire or other hazards.

iii

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LC-32/37A33T

PRECAUTIONS FOR USING LEAD-FREE SOLDER

Employing lead-free solder

• “PWBs” of this model employs lead-free solder. The LF symbol indicates lead-free solder, and is attached on the PWBs and service manuals. The alphabetical character following LF shows the type of lead-free solder.

Example:

Indicates lead-free solder of tin, silver and copper. Indicates lead-free solder of tin, silver and copper.

Using lead-free wire solder

• When fixing the PWB soldered with the lead-free solder, apply lead-free wire solder. Repairing with conventional lead wire solder may cause damage or accident due to cracks.

As the melting point of lead-free solder (Sn-Ag-Cu) is higher than the lead wire solder by 40 °C, we recommend you to use a dedicated soldering bit, if you are not familiar with how to obtain lead-free wire solder or soldering bit, contact our service station or service branch in your area.

Soldering

• As the melting point of lead-free solder (Sn-Ag-Cu) is about 220 °C which is higher than the conventional lead solder by 40 °C, and as it has poor solder wettability, you may be apt to keep the soldering bit in contact with the PWB for extended period of time. However, Since the land may be peeled off or the maximum heat-resistance temperature of parts may be exceeded, remove the bit from the PWB as soon as you confirm the steady soldering condition.

Lead-free solder contains more tin, and the end of the soldering bit may be easily corroded. Make sure to turn on and off the power of the bit as required.

If a different type of solder stays on the tip of the soldering bit, it is alloyed with lead-free solder. Clean the bit after every use of it.

When the tip of the soldering bit is blackened during use, file it with steel wool or fine sandpaper.

• Be careful when replacing parts with polarity indication on the PWB silk.

Lead-free wire solder for servicing

PARTS CODE

ZHNDAi123250E BL J φ0.3mm 250g (1roll) ZHNDAi126500E BK J φ0.6mm 500g (1roll) ZHNDAi12801KE BM J φ1.0mm 1kg (1roll)

PRICE RANK

PART

DELIVERY

DESCRIPTION

Page 6

LC-32/37A33T

CHAPTER 1. SPECIFICATIONS

[1] SPECIFICATIONS

Service Manual

Model

Item

LCD panel

Resolution 1,049,088 pixels (1366 768)

Video Colour System

TV Function

Brightness

Viewing angles H : 176º V : 176º

Audio amplifier 10W 2

Speakers 10 4 cm 2pcs

Terminals Rear Antenna input

OSD language

Power Requirement

Power Consumption 133 W (0.8 W Standby)

Weight

Operating Temperature 0°C - 40°C

TV-Standard

Receiving Channel

TV-Tuning System

STEREO/BILINGUAL

VHF/UHF

CATV

INPUT 1

INPUT 2

INPUT 3

INPUT 4

INPUT 5 (PC input)

MONITOR OUT VIDEO out, AUDIO out (S-Terminal in, MONITOR OUT no out)

RS-232C 9 pin D-sub male connector

Headphone Ø 3.5 mm jack (Audio output)

without stand 10.5 kg

with stand

LC-32A33T

32" (800 mm) Advanced Super View & BLACK TFT LCD

PAL/SECAM/NTSC 3.58/NTSC 4.43/PAL 60

NTSC: M

VHF 2-13ch, UHF 14-69ch

S1 - S135ch

Auto Preset 135 ch

BTSC System

450 cd/m

UHF/VHF 75 DIN type

VIDEO in, AUDIO in, S-VIDEO in, COMPONENT in (480I,576I, 480P, 576P, 720P/50Hz, 720P/60Hz, 1080I/50Hz, 1080I/60Hz)

VIDEO in, AUDIO in, COMPONENT in (480I,576I, 480P, 576P, 720P/50Hz, 720P/60Hz, 1080I/50Hz, 1080I/60Hz)

HDMI (HDMI input) (480P, 576P, 720P/50Hz, 720P/60Hz, 1080I/50Hz, 1080I/60Hz), AUDIO in (Ø 3.5 mm jack)

HDMI (HDMI input) (480P, 576P, 720P/50Hz, 720P/60Hz, 1080I/50Hz, 1080I/60Hz)

15 pin mini D-sub, AUDIO in (Ø 3.5 mm jack)

English/Traditional Chinese

AC 110V, 60 Hz

12.5 kg

LC-37A33T

37" (940 mm) Advanced Super View & BLACK TFT LCD

15 4 cm 2pcs

168 W (0.8 W Standby)

14.0 kg

16.0 kg

As a part of policy of continuous improvement, SHARP reserves the right to make design and specification changes for product improvement without prior notice. The performance specification figures indicated are nominal values of production units. There may be some deviations from these values in individual units.

1 – 1

Page 7

LC-32/37A33T

CHAPTER 2. OPERATION MANUAL

[1] OPERATION MANUAL

Preparation

Part names

TV (Front)

LC-32/37A33T

Service Manual

TV/VIDEO button

Channel up ( )/down ( ) buttons

Volume up ( )/down ( ) buttons

MENU button

POWER (On/Off) button

Remote control sensor

The illustrations and on-screen displays in this operation manual are for explanation purposes and may vary slightly from the actual operations. The illustrations used throughout this manual are based on LC-37A33T.

OPC sensor

OPC indicator*

SLEEP timer indicator

POWER indicator

*OPC: Optical Picture Control

2 – 1

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LC-32/37A33T

Preparation

TV (Rear)

AC INPUT terminal

INPUT 3 (HDMI) terminals

RS-232C terminal

Headphone jack

MONITOR OUTPUT

terminals

Regarding the headphone jack

Use headphones with a stereo mini plug (Ø 3.5 mm). Be sure to unplug headphones from the jack when they are not in use. The speakers do not output volume when headphones are plugged in. The "Audio" menu cannot be operated when headphones are plugged in. You can set the volume to different levels for each input source.

INPUT 4 (HDMI) terminal

INPUT 5 (PC) terminals

INPUT 1 terminals

Antenna input terminal

INPUT 2 terminals

Volume display when headphones are plugged in

2 – 2

Page 9

Preparation

Remote control unit

POWER (STANDBY/ON)

To switch the power on and off.

LC-32/37A33T

0_9

Set the channel.

Press to return to the previous

(Flashback)

selected channel or external

input mode.

MPX

Select the sound

multiplex mode.

VOL /VOL

Set the volume.

(Mute)

Mute the sound.

Directly select the

INPUT 5 terminal.

/ / / (Cursor)

Select a desired item on the

setting screen.

TV/VIDEO (INPUT SOURCE)

Select an input source. (TV, INPUT 1, INPUT 2, INPUT 3, INPUT 4, INPUT 5 (PC))

DISPLAY

Display the channel or input information.

CH /CH

TV input mode: Select the channel.

SLEEP

Set the Sleep timer.

Display the menu screen.

ENTER

Execute a command.

Return to the default screen.

EXIT

WIDE

Change the wide image mode.

FREEZE

Freeze a motion picture

on the screen.

RETURN

MENU mode: Return to the previous menu screen.

OPC

To switch the Optical Picture Control on and off.

AV MODE

Select an audio and video setting : AV MODE (STANDARD, MOVIE, GAME, USER, DYNAMIC (FIXED), DYNAMIC), PC MODE (STANDARD, PC, USER).

2 – 3

Page 10

LC-32/37A33T

Preparation

Attaching the stand

Before attaching (or detaching) the stand, unplug the AC cord from the AC INPUT terminal. Before performing work spread cushioning over the base area to lay the TV on. This will prevent it from being damaged.

CAUTION

Attach the stand in the correct direction. Be sure to follow the instructions. Incorrect installation of the stand may result in the TV falling over.

Confirm the screws supplied with the TV.

Screws ( 4)

(usedinstep3)

Attach the supporting post for the stand unit

onto the base as shown below.

Screw

Screws ( 5)

(usedinstep2)

Hex key

bottom of the TV. Insert and tighten the 4 screws into the 4

holes on the rear of the TV.

Hex key

Screw

Soft cushion

Insert the stand into the openings on the

NOTE

To detach the stand, perform the steps in reverse order.

2 – 4

Page 11

LC-32/37A33T

CHAPTER 3. DIMENSIONS

[1] DIMENSIONS (LC-32A33T)

LC-32/37A33T

Service Manual

LC-32A33T

575

523

Unit: mm

402

74 95

776

701.5

395.9

333

200

110

230

200

3 – 1

Page 12

LC-32/37A33T

[2] DIMENSIONS (LC-37A33T)

LC-37A33T

640

585

402

904

Unit: mm

71 96

824.4

463.8

370

200

100

230

200

3 – 2

Page 13

LC-32/37A33T

CHAPTER 4. REMOVING OF MAJOR PARTS

Service Manual

[1] REMOVING OF MAJOR PARTS (LC-32A33T)

1. REMOVING OF STAND ASS’Y AND REAR CABINET

1. Remove the 4 screws [1] and detach the Stand Ass’y.

2. Detach the Bass Cover [2].

3. Remove the 2 screws [3], 2 screws [4], 4 shafts [5], 3 screws [6], 6 screws [7] and detach the Rear Cabinet.

LC-32/37A33T

Rear Cabinet

Bass Cover

Stand Ass'y

4 – 1

Page 14

LC-32/37A33T

2. REMOVING OF SPEAKERS, BOTTOM COVER AND STAND ANGLE

1. Remove the 1 screw [1] and detach the Bottom Cover.

2. Remove the 4 screws [2] and detach the Stand Angle.

3. Disconnect SP connector and detach the Speaker-L and Speaker-R [3].

4. Detach the Speaker Sheet [4].

䬌䎶䎳䬍

Speaker Sheet Speaker Sheet

Speaker-R

Stand Angle

Bottom Cover

Speaker-L

4 – 2

Page 15

3. REMOVING OF CONNECTING CORD

1. Remove all the connectors from all the PWBs.

LC-32/37A33T

KEY PWB Unit

MAIN PWB Unit

R/C, LED PWB Unit

䬌䎵䎤䬍

䬌䎮䎰䬍

䬌䎩䎩䎦䬍䬌䎩䎩䎦䬍

䬌䎮䎰䬍

INVERTER/POWER PWB Unit

䬌䎯䎥䬍

䬌䎳䎧䬍

䬌䎯䎥䬍

䬌䎳䎧䬍

䬌䎵䎤䬍

4 – 3

Page 16

LC-32/37A33T

4. REMOVING OF PWB UNITS

1. Remove the 1 screw [1] and detach the R/C, LED PWB Unit.

2. Detach the KEY PWB Unit [2] from Front Cabinet.

3. Remove the 4 screws [3] and detach the INVERTER/POWER PWB Unit.

4. Remove the 4 screws [4], 2 screws [5] and detach the MAIN PWB Unit.

MAIN PWB Unit

R/C, LED PWB Unit

KEY PWB Unit

INVERTER/POWER PWB Unit

4 – 4

Page 17

5. REMOVING OF CENTER ANGLE AND LCD ANGLE-A/B

1. Remove the 2 screws [1], 2 screws [2], 8 screws [3] and detach the Center Angle.

2. Remove the 2 screws [4], 4 screws [5] and detach the LCD Angle-A/B.

3. Detach the LCD Panel Module.

LC-32/37A33T

Center Angle

LCD Angle-A

Center Angle

LCD Angle-B

LCD Panel Module

LCD Angle-B

LCD Angle-A

4 – 5

Page 18

LC-32/37A33T

[2] REMOVING OF MAJOR PARTS (LC-37A33T)

1. REMOVING OF STAND ASS'Y AND REAR CABINET

1. Remove the 4 screws [1] and detach the Stand Ass'y.

2. Detach the Bass Cover [2].

3. Remove the 2 screws [3], 2 screws [4], 4 shafts [5], 4 screws [6], 6 screws [7] and detach the Rear Cabinet.

Rear Cabinet

Bass Cover

Stand Ass'y

4 – 6

Page 19

2. REMOVING OF SPEAKERS, BOTTOM COVER AND STAND ANGLE

1. Remove the 1 screw [1] and detach the Bottom Cover.

2. Remove the 4 screws [2] and detach the Stand Angle.

3. Disconnect SP connector and detach the Speaker-L and Speaker-R [3].

4. Detach the Speaker Sheet [4].

䬌䎶䎳䬍

LC-32/37A33T

Speaker Sheet Speaker Sheet

4 4

Speaker-R

Stand Angle

Speaker-L

Bottom Cover

4 – 7

Page 20

LC-32/37A33T

3. REMOVING OF CONNECTING CORD

1. Remove all the connectors from all the PWBs.

KEY PWB Unit

MAIN PWB Unit

R/C, LED PWB Unit

䬌䎮䎰䬍

䬌䎵䎤䬍

䬌䎩䎩䎦䬍䬌䎩䎩䎦䬍

䬌䎮䎰䬍

䬌䎯䎥䬍

䬌䎵䎤䬍

䬌䎯䎥䬍

䬌䎳䎧䬍

POWER PWB Unit

䬌䎦䎱䎚䎕䎓䎕䬍䬌䎦䎱䎚䎘䎓䎔䬍

INVERTER PWB Unit

4 – 8

Page 21

4. REMOVING OF PWB UNITS

1. Remove the 1 screw [1] and detach the R/C, LED PWB Unit.

2. Detach the KEY PWB Unit [2] from Front Cabinet.

3. Remove the 6 screws [3] and detach the POWER PWB Unit and INVERTER PWB Unit.

4. Remove the 4 screws [4], 2 screws [5] and detach the MAIN PWB Unit.

LC-32/37A33T

MAIN PWB Unit

R/C, LED PWB Unit

KEY PWB Unit

POWER PWB Unit

INVERTER PWB Unit

4 – 9

Page 22

LC-32/37A33T

5. REMOVING OF CENTER ANGLE AND LCD ANGLE-A/B

1. Remove the 8 screws [1] and detach the Center Angle.

2. Remove the 7 screws [2], 4 screws [3] and detach the LCD Angle-A/B.

3. Detach the LCD Panel Module.

Center Angle

LCD Angle-B

LCD Angle-A

Center Angle

LCD Panel Module

LCD Angle-B

LCD Angle-A

4 – 10

Page 23

LC-32/37A33T

5 – 1

LC-32/37A33T

Service Manual

CHAPTER 5. SCHEMATIC DIAGRAM

[1] DESCRIPTION OF SCHEMATIC DIAGRAM

1. VOLTAGE MEASUREMENT CONDITION:

1) The voltages at test points are measured on exclusive AC adaptor and the stable supply voltage of AC 120V. Signals are fed by a color bar signal generator for servicing purpose and the above voltages are measured with a 20k ohm/V tester.

2. INDICATION OF RESISTOR & CAPACITOR:

RESISTOR

1) The unit of resistance "Ω" is omitted.

(K=kΩ=1000Ω, M=MΩ).

2) All resistors are ± 5%, unless otherwise noted.

(K= ± 10%, F= ± 1%, D= ± 0.5%)

3) All resistors are 1/16W, unless otherwise noted.

CAPACITOR

1) All capacitors are µF, unless otherwise noted.

(P=pF=µµF).

2) All capacitors are 50V, unless otherwise noted.

CAUTION:

This circuit diagram is original one, therefore there may be a slight difference from yours.

SAFETY NOTES:

1) DISCONNECT THE AC PLUG FROM THE AC OUTLET BEFORE REPLACING PARTS.

2) SEMICONDUCTOR HEAT SINKS SHOULD BE REGARDED AS POTENTIAL SHOCK HAZARDS WHEN THE CHASSIS IS OPERATING.

IMPORTANT SAFETY NOTICE:

PARTS MARKED WITH " " ( ) ARE IMPORTANT FOR MAINTAINING THE SAFETY OF THE SET. BE SURE TO REPLACE THESE PARTS WITH SPECIFIED ONES FOR MAINTAINING THE SAFETY AND PERFORMANCE OF THE SET.

Page 24

LC-32/37A33T

5 – 2

[2] MAIN Unit

•MAIN Unit-6

12345678910111213141516171819

20 21 22

Page 25

LC-32/37A33T

5 – 3

•MAIN Unit-16

12345678910111213141516171819

20 21 22

Page 26

LC-32/37A33T

5 – 4

•MAIN Unit-17

12345678910111213141516171819

20 21 22

Page 27

PartsGuide

LC-32/37A33T

PARTS GUIDE

No. SY8T8LC37A33T

LCD COLOUR TELEVISION

LC-32A33T

Note:

The reference numbers on the PWB are arranged in alphabetical order.

[1] PRINTED WIRING BOARD ASSEMBLIES

[2] LCD PANEL

[3] DUNTKE508FM15 (LC-32A33T)

DUNTKE508FM16 (LC-37A33T) (MAIN Unit)

[4] CABINET AND MECHANICAL PARTS

(LC-32A33T)

[5] LCD PANEL UNIT (LC-32A33T)

[6] CABINET AND MECHANICAL PARTS

(LC-37A33T)

[7] LCD PANEL UNIT (LC-37A33T)

MODELS

CONTENTS

LC-37A33T

[8] SUPPLIED ACCESSORIES

[9] PACKING PARTS (NOT REPLACEMENT ITEM)

[10] SERVICE JIG (USE FOR SERVICING)

Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the safety and performance of the set.

This document has been published to be used for after sales service only. The contents are subject to change without notice.

Page 28

LC-32/37A33T

NO. PARTS CODE

PRICE

RANK

NEW

MARK

PAR T

DELIVERY

DESCRIPTION

[1] PRINTED WIRING BOARD ASSEMBLIES

N DUNTKE264FM03 AP N V R/C, LED Unit N DUNTKE266FM03 AG N V KEY Unit N DUNTKE508FM15 V MAIN Unit (LC-32A33T) N DUNTKE508FM16 N V MAIN Unit (LC-37A33T) N RDENCA288WJQZ BN N V POWER Unit (LC-37A33T) N RUNTKA418WJN1 BL N V INVERTER Unit (LC-37A33T) N RUNTKA419WJN1 BT N V INVERTER/POWER Unit (LC-32A33T) N RUNTK3923TPZZ AN J GND Unit (Top) (LC-32A33T) N RUNTK3924TPZZ AP J GND Unit (Bottom) (LC-32A33T) N RUNTK3925TPZZ AP J GND Unit (Top) (LC-37A33T) N RUNTK3926TPZZ AP J GND Unit (Bottom) (LC-37A33T)

[2] LCD PANEL

N R1LK315T3GW30W DA J 32"LCD Panel Module Unit (LC-32A33T) N R1LK370T3GW20W DR J 37"LCD Panel Module Unit (LC-37A33T)

[3] DUNTKE508FM15 (LC-32A33T)/DUNTKE508FM16 (LC-37A33T) (MAIN Unit)

IC801 RH-IXB887WJZZQ BF N V IC R8465 VRK-SB1FF000JY AA N J Resistor, 0 1/32W Metal Composition (LC-32A33T) R8474 VRK-SB1FF000JY AA N J Resistor, 0 1/32W Metal Composition (LC-32A33T) R8479 VRS-CZ1JF000JY AA J Resistor, 0 1/16W Metal Oxide (LC-32A33T) R8485 VRS-CZ1JF000JY AA J Resistor, 0 1/16W Metal Oxide (LC-32A33T)

Page 29

[4] CABINET AND MECHANICAL PARTS (LC-32A33T)

2-1

2-3

2-2

1-5

1-1

1-7

1-4

1-6

1-3

1-2

1-9

1-6

1-7

INVERTER/POWER Unit

MAIN Unit

2-4

2-8

2-5

2-9

2-5

2-6

2-7

1-8

R/C, LED Unit

KEY Unit

LC-32/37A33T

Page 30

LC-32/37A33T

NO. PARTS CODE

PRICE

RANK

NEW

MARK

PAR T

DELIVERY

[4] CABINET AND MECHANICAL PARTS (LC-32A33T)

1 CCABAC007WJ42 BF N J Front Cabinet Ass'y 1-1 Not Available - - Front Cabinet 1-2 Not Available - - Badge, SHARP 1-3 HDECQA884WJ4A AN J SP Center Decoration 1-4 HDECQA890WJ4A AD J LED Cover 1-5 HPNLSA215WJ4A AS N J Speaker Sheet 1-6 PSPAHB411WJ4Z AD J Spacer (T-B), x2 1-7 PSPAHB412WJ4Z AC J Spacer (Side), x2 1-8 XEBS930P08000 AA J Screw, x3 1-9 PSPAHB562WJ4Z AB J Spacer, x4

2 CCABBB404WJ41 BD N J Rear Cabinet Ass'y 2-1 Not Available - N - Rear Cabinet 2-2 HINDPD056WJ4A AK N J Terminal Label 2-3 GCOVAC518WJ4Z AE J Hole Cover, x4 2-4 PSPAHB554WJ4Z AC N J Spacer, x2 2-5 PSPAHB555WJ4Z AB N J Spacer, x5 2-6 PSPAHB074WJZZ AB J Spacer, x2 2-7 PSPAHB567WJ4Z AA N J Spacer, x3 2-8 PSPAHB568WJ4Z AB N J Spacer, x2 2-9 PSPAHB574WJ4Z AB N J Spacer

3 R1LK315T3GW30W DA J 32"LCD Panel Module Unit

4 GCOVAA984WJ4A AC J Bass Cover

5 GCOVAC612WJ4A AF J Bottom Cover

6 HINDPD173WJ4A AD N V Model Label

7 JBTN-A718WJ4A AD J Operation Button

8 LANGKB358WJ4W AT J Stand Fix Angle

9 LANGKB399WJ4W AT J Center Angle LR, x2

10 LANGKB470WJ4W AD J LCD Angle-A, x2 11 LANGKB471WJ4W AD J LCD Angle-B, x2 12 LHLDW1033PEZZ AA J Cable Tie, x2 13 LHLDWA143WJKZ AC J Wire Holder 14 PSPAHB379WJ4Z AA J Spacer, x2 15 LHLDZA934WJKZ AB J Wire Holder, x2 16 LHLDZB015WJ4Z AG J 17 NSFTZ0134CEFW AD J Shaft, x4 18 PSPAHA992WJ4Z AC J Spacer, x2 19 PSPAHB557WJ4Z AB J Spacer 20 PSPAHB562WJ4Z AB J Spacer 21 PSPAZB850WJ4Z AQ J SP Spacer, x2 22 QCNW-H025WJQZ AM N J Connecting Cord (FFC), x2 23 QCNW-G834WJQZ AM J Connecting Cord (PD/LB) 24 QCNW-G835WJQZ AF J Connecting Cord (KM) 25 QCNW-G836WJQZ AM J Connecting Cord (RA) 26 QCNW-G837WJQZ AK J Connecting Cord (SP) 27 RSP-ZA321WJZZ AT N J Speaker Box-L 28 RSP-ZA322WJZZ AT N J Speaker Box-R 29 Not Available - N - No. Label 30 XBPS830P06000 AA J Screw (for HDMI), x2 31 XEBS940P12000 AB J Screw (for CAB A_Angle), x4 32 XEBS940P16000 AB J Screw (for CAB A_B), x6 33 XHPS730P14WS0 AB J Screw (for PWB Holder), x4 34 XHPS830P06WS0 AA J Screw (for Chassis/PWB), x23 35 XHPS830P10WS0 AB J Screw (for CAB B_Panel), x3 36 XEBS930P08000 AA J Screw (for LED PWB) 37 XEBS930P10000 AA J Screw (for AV Jack), x2 38 XHPS730P08WS0 AA J Screw (for Angle_Panel), x2

PWB Holder, x2

DESCRIPTION

Page 31

[5] LCD PANEL UNIT (LC-32A33T)

LC-32/37A33T

3-17

3-18

3-19

3-1

3-3

3-18

3-2

3-18

3-3

3-18

3-4

3-6

3-7

3-14

3-16

3-15

3-11

3-10

3-8

3-14

3-15

3-20

3-12

3-13

3-9

3-5

NO. PARTS CODE

[5] LCD PANEL UNIT (LC-32A33T)

3 R1LK315T3GW30W DA J 32"LCD Panel Module Unit 3-1 CANGKB549WJ01 AS J Bezel Ass'y Top 3-2 CANGKB549WJ02 AR J Bezel Ass'y Bottom 3-3 CANGKB548WJ01 AK J Bezel Ass'y L/R, x2 3-4 CHLDZB061WJ01 AT J P Chassis Ass'y L 3-5 CHLDZB062WJ01 AT J P Chassis Ass'y R 3-6 PSHEPA667WJZZ AU J Diffusion Sheet, x2 3-7 PSLDK3003TPZZ AY J Diffusion Plate 3-8 LHLDZA919WJKZ AL J Lamp Holder L 3-9 LHLDZA918WJKZ AL J Lamp Holder R

3-10 RLMPLA029WJN1 AR J Lamp Unit, x10 3-11 QSOCFA003WJZZ AD J Lamp Socket, x10 3-12 RUNTK3923TPZZ AN J GND Unit (Top) 3-13 RUNTK3924TPZZ AP J GND Unit (Bottom) 3-14 LHLDZA924WJKZ AB J Lamp Clip A, x2 3-15 LHLDZA925WJKZ AC J Lamp Clip B, x2 3-16 PMIR-A166WJZZ AU J Mirror Sheet 3-17 LCHSMA422WJZZ BA J BL Chassis Ass'y 3-18 LX-EZA028WJF9 AB J Screw (Bezel/P Chassis Fix), x12 3-19 LX-HZA039WJF7 AB J Screw (Bezel/BL Chassis Fix), x10 3-20 XHPS730P08KS0 AB J Screw (GND Unit), x4

PRICE

RANK

NEW

MARK

PAR T

DELIVERY

DESCRIPTION

Page 32

LC-32/37A33T

[6] CABINET AND MECHANICAL PARTS (LC-37A33T)

1-5

1-1

R/C, LED Unit

2-8

2-6

2-4

2-5

2-1

2-2

2-7

2-8

2-3

KEY Unit

1-6

1-7

1-2

1-3

INVERTER Unit

1-6

1-4

POWER Unit

MAIN Unit

Page 33

LC-32/37A33T

NO. PARTS CODE

PRICE

RANK

NEW

MARK

PAR T

DELIVERY

[6] CABINET AND MECHANICAL PARTS (LC-37A33T)

1 CCABAC008WJ42 BW N J Front Cabinet Ass'y 1-1 Not Available - - Front Cabinet 1-2 Not Available - - Badge, SHARP 1-3 HDECQA885WJ4A AN J SP Center Decoration 1-4 HDECQA890WJ4A AD J LED Cover 1-5 HPNLSA216WJ4A AT N J Speaker Sheet 1-6 PSPAHB472WJ4Z AC J Spacer (T-B), x6 1-7 XEBS930P08000 AA J Screw, x3

2 CCABBB403WJ41 BP N J Rear Cabinet Ass'y 2-1 Not Available - N - Rear Cabinet 2-2 GCOVAC518WJ4Z AE J Hole Cover, x4 2-3 HINDPD056WJ4A AK J Terminal Label 2-4 PSPAHB132WJ4Z AD J Spacer (Top Long) 2-5 PSPAHB573WJ4Z AC N J Spacer (Bottom), x2 2-6 PSPAHB574WJ4Z AB N J Spacer (Top Short) 2-7 PSPAHB576WJ4Z AB N J Spacer (Top Cover), x2 2-8 PSPAHB584WJ4Z AC N J Spacer (Side), x2

3 R1LK370T3GW20W DR J 37"LCD Panel Module Unit

4 GCOVAA984WJ4A AC J Bass Cover

5 GCOVAC612WJ4A AF J Bottom Cover

6 HINDPD172WJ4A AD N V Model Label

7 JBTN-A718WJ4A AD J Operation Button

8 LANGKB358WJ4W AT J Stand Fix Angle

9 LANGKB403WJ4W AU J Center Angle LR, x2

10 LANGKB492WJ4W AD J LCD Angle-A, x2 11 LANGKB493WJ4W AD J LCD Angle-B, x2 12 LHLDW1033PEZZ AA J Cable Tie, x2 13 PSPAZB699WJ4Z AC N J Leg Cushion, x3 14 LHLDZA934WJKZ AB J Wire Holder, x6 15 LHLDZB015WJ4Z AG J PWB Holder, x2 16 NSFTZ0134CEFW AD J Shaft, x4 17 PSPAGA344WJZZ AC J Spacer, x3 18 PSPAHB380WJ4Z AB J Spacer, x5 19 PSPAHB562WJ4Z AB J 20 PSPAHB575WJ4Z AD J Spacer, x2 21 PSPAZB202WJKZ AB J PWB Spacer 22 PSPAZB851WJ4Z AE J SP Spacer, x2 23 QCNW-H026WJQZ AN N J Connecting Cord (FFC), x2 24 QCNW-H079WJQZ AG N J Connecting Cord (KM) 25 QCNW-H081WJQZ AL N J Connecting Cord (RA) 26 QCNW-H171WJQZ AN N J Connecting Cord (PD/LB) 27 QCNW-H172WJQZ AK N J Connecting Cord (SP) 28 RSP-ZA304WJZZ AW N J Speaker Box-L 29 RSP-ZA305WJZZ AW N J Speaker Box-R 30 Not Available - N - No. Label 31 XBPS830P06000 AA J Screw (for HDMI), x2 32 XBPS940P10JS0 AB J Screw (for CAB B Top), x4 33 XEBS930P08000 AA J Screw (for LED/KEY-PWB) 34 XEBS930P10000 AA J Screw (for Terminal), x2 35 XEBS940P08000 AB J Screw (for LCD Fix), x7 36 XEBS940P16000 AB J Screw (for CAB B), x6 37 XHPS730P14WS0 AB J Screw (for PWB Holder), x4 38 XHPS830P06WS0 AA J Screw, x25

Spacer

DESCRIPTION

Page 34

LC-32/37A33T

[7] LCD PANEL UNIT (LC-37A33T)

3-22

3-21

3-22

3-21

3-1

3-3

3-2

3-21

3-22

3-21

3-3

3-4

3-6

3-22

3-8

3-18

3-13

3-10

3-12

3-16

3-17

3-16

3-20

3-14

3-15

3-19

3-11

3-9

3-7

3-5

NO. PARTS CODE

PRICE

RANK

[7] LCD PANEL UNIT (LC-37A33T)

3 R1LK370T3GW20W DR J 37"LCD Panel Module Unit 3-1 CANGKB426WJ02 BA J Bezel Ass'y Top 3-2 CANGKB426WJ01 AZ J Bezel Ass'y Bottom 3-3 CANGK4052TP01 AL J Bezel Ass'y L/R, x2 3-4 CHLDZA926WJ01 AP J P Chassis Ass'y Top 3-5 CHLDZA927WJ01 AP J P Chassis Ass'y Bottom 3-6 CHLDZA980WJ01 AL J P Chassis Ass'y L 3-7 CHLDZA981WJ01 AL J P Chassis Ass'y R 3-8 PSHEPA585WJZZ AT J Diffusion Sheet, x2 3-9 PSLDK3004TPZZ AY J Diffusion Plate

3-10 LHLDZA921WJKZ AL J Lamp Holder L 3-11 LHLDZA920WJKZ AN J Lamp Holder R 3-12 RLMP-0664TPZZ AQ J Lamp Unit, x12 3-13 QSOCFA003WJZZ AD J Lamp Socket, x12 3-14 RUNTK3925TPZZ AP J GND Unit (Top) 3-15 RUNTK3926TPZZ AP J GND Unit (Bottom) 3-16 LHLDZA925WJKZ AC J Lamp Clip A, x6 3-17 LHLDZA924WJKZ AB J Lamp Clip B 3-18 PMIR-A143WJZZ AW J Mirror Sheet 3-19 CCHSMA423WJ02 BE J BL Chassis Ass'y 3-20 XHPS730P06KS0 AB J Screw (GND Unit), x4 3-21 LX-HZA039WJF7 AB J Screw (Bezel/BL Chassis Fix), x12 3-22 LX-EZA028WJF9 AB J Screw (Bezel/P Chassis Fix), x6

NEW

MARK

PAR T

DELIVERY

DESCRIPTION

Page 35

[8] SUPPLIED ACCESSORIES

LC-32/37A33T

X1 X3

Cable Clamp

Operation Manual RC Chinese Label

NO. PARTS CODE

X6 X7

PRICE

RANK

AC Cord

NEW

MARK

DELIVERY

[8] SUPPLIED ACCESSORIES

X1 LHLDWA173WJKZ AE J Cable Clamp

X2 QACCZA084WJPZ AS N J AC Cord X3 QCNCWA953WJZZ AX N V Adaptor X4 RRMCGA666WJSA AV J Remote Control Unit X5 TINS-E054WJZZ N V Operation Manual X6 TLABHA184WJZZ AL N V RC Chinese Label X7 CDAI-A441WJ02 BF N J Stand Unit

PAR T

Stand Unit

DESCRIPTION

Remote Control Unit

Page 36

LC-32/37A33T

[9] PACKING PARTS (NOT REPLACEMENT ITEM)

S11

S10

S3 S5 S6 S9 S12 S13 S15

S14

Page 37

LC-32/37A33T

NO. PARTS CODE

PRICE

RANK

NEW

MARK

PAR T

DELIVERY

[9] PACKING PARTS (NOT REPLACEMENT ITEM)

S1 SPAKCE723WJZZ - N - Packing Case (LC-32A33T) S1 SPAKCE722WJZZ - N - Packing Case (LC-37A33T) S2 SPAKFB417WJZZ - N - Stand Case S3 SPAKFB418WJZZ - N - Stand Pad S4 SPAKPA611WJZZ - - Wrapping Paper (LC-32A33T) S4 SPAKPA801WJZZ - - Wrapping Paper (LC-37A33T) S5 SPAKPB053WJZZ - N - Mirror Mat Sup S6 SPAKPB054WJZZ - N - Mirror Mat Base S7 SPAKXB828WJZZ - - Packing Add. (Top) (LC-32A33T) S7 SPAKXB971WJZZ - - Packing Add. (Top) (LC-37A33T) S8 SPAKXB829WJZZ - - Packing Add. (Bottom) (LC-32A33T) S8 SPAKXB972WJZZ - - Packing Add. (Bottom) (LC-37A33T)

S9 SPAKAA373WJZZ - N - Cover Sheet S10 SSAKA0005PEZZ - - Polyethylene Bag S11 SSAKA0128AJZZ - - Polyethylene Bag S12 SSAKHA042WJZZ - N - Polyethylene Bag for Screw S13 SSAKKA001WJZZ - N - Polyethylene Bag for Cloth S14 TLABV0182AJZZ - - No. Label S15 SPAKFB567WJ4Z - N - Stand Pad (LC-37A33T)

[10] SERVICE JIG (USE FOR SERVICING)

N QCNW-G440WJQZ AP J Connecting Cord N MAIN (P5204) - KEY (P151) N QCNW-H278WJQZ AL N V Connecting Cord N MAIN (P5203) - LED (P101) N QCNW-H279WJQZ AP N V Connecting Cord N MAIN (P2301/P2801) - POWER/INVERTER N QCNW-H280WJQZ AH N V Connecting Cord N MAIN (P1301) - SPEAKER N QCNW-H281WJQZ AN N V Connecting Cord (FFC), x2 N MAIN (SC8201/SC8202) - LCD PANEL

DESCRIPTION

Page 38

LC-32/37A33T

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, recording, or otherwise, without prior written permission of the publisher.

Dec. 2008 TQ2682-S SY. KD

SHARP CORPORATION

AV Systems Group CS Promotion Center Yaita, Tochigi 329-2193, Japan