Sharp LC-32WD1E/S/RU, LC-42WT1E, LC-37WD1E/S/RU, LC-42WD1E/S/RU, LC-32WT1E Service Manual

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LC-32WD1E/S/RU, LC-37WD1E/S/RU, LC-42WD1E/S/RU, and LC-32/37/42WT1E

SERVICE MANUAL

No. S57J1LC32WD1E

LCD COLOUR TELEVISION

LC-32WD1E/S/RU LC-37WD1E/S/RU LC-42WD1E/S/RU

LC-32WT1E LC-37WT1E

MODELS LC-42WT1E

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.

CONTENTS

PREFACE AND SAFETY INFORMATION

[1] PRINTING FROM THIS BOOK. . . . . . . . . . . . . . . . . . .i

[2] SAFETY AND EMI PRECAUTIONS . . . . . . . . . . . . . . ii

[3] PRECAUTIONS FOR LEAD-FREE SOLDER. . . . . . .iii

[4] SAFETY WARNINGS . . . . . . . . . . . . . . . . . . . . . . . . .iii

CHAPTER 1 SPECIFICATIONS

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

CHAPTER 2 OPERATION MANUAL

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

CHAPTER 3 DIMENSIONS

[1] DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

CHAPTER 4 REMOVING OF MAJOR PARTS

[1] REMOVE MAJOR PARTS

LC-32WD1E/S/RU AND LC-32WT1E . . . . . . . . . . . 4-1

[2] REMOVE MAJOR PARTS

LC-37WD1E/S/RU AND LC-37WT1E . . . . . . . . . . . 4-4

[3] REMOVE MAJOR PARTS

LC-42WD1E/S/RU AND LC-42WT1E . . . . . . . . . . . 4-7

CHAPTER 5 ADJUSTMENT PROCEDURES

[1] UPGRADING SOFTWARE . . . . . . . . . . . . . . . . . . . 5-1

[2] TROUBLESHOOTING SOFTWARE UPGRADE . . 5-7

[3] ENTERING THE PUBLIC MODE MENUS . . . . . . . 5-8

[4] REMOTE CONTROL KEY OPERATION

IN PUBLIC MODE. . . . . . . . . . . . . . . . . . . . . . . . . . 5-8

[5] PUBLIC MODE SETTINGS. . . . . . . . . . . . . . . . . . . 5-8

[6] ENTERING THE SERVICE MENUS. . . . . . . . . . . . 5-8

[7] SERVICE MODE REMOTE CONTROL KEY

AND DESCRIPTION OF DISPLAY. . . . . . . . . . . . . 5-9

[8] SERVICE MENU SETTINGS . . . . . . . . . . . . . . . . . 5-9

CHAPTER 6 TROUBLESHOOTING TABLE CHAPTER 7 MAJOR IC INFORMATION

[1] MAJOR IC INFORMATION . . . . . . . . . . . . . . . . . . .7-1

CHAPTER 8 OVERALL WIRING DIAGRAM

[1] OVERALL WIRING DIAGRAM

(LC-32WD1E/S/RU, LC-32WT1E) . . . . . . . . . . . . . . 8-1

[2] OVERALL WIRING DIAGRAM

(LC-37WD1E/S/RU, LC-37WT1E) . . . . . . . . . . . . . . 8-2

[3] OVERALL WIRING DIAGRAM

(LC-42WD1E/S/RU, LC-42WT1E) . . . . . . . . . . . . . . 8-3

[4] BLOCK DIAGRAMS. . . . . . . . . . . . . . . . . . . . . . . . .8-4

CHAPTER 9 PRINTED WIRING BOARD

[1] LED/IR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1

[2] SIDE I/O. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2

[3] KEYPAD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9-3

[4] POWER UNIT PRINTED WIRING BOARD

(LC-32WD1E/S/RU, LC-37WD1E/S/RU,

LC-42WD1E/S/RU, LC-32/37/42WT1E). . . . . . . . . .9-4

[5] MAINBOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5

CHAPTER 10 SCHEMATIC DIAGRAM

[1] DESCRIPTION OF SCHEMATIC DIAGRAM. . . . . 10-1

[1] LED/IR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2

[2] SIDE I/O. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3

[3] KEYBOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4

[4] MAINBOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-5

[5] POWER SUPPLY UNIT (LC-32WD1E/S/RU,

LC-37WD1E/S/RU, AND LC-32/37WT1E). . . . . . 10-19

[6] POWER SUPPLY UNIT (LC-42WD1E/S/RU,

LC-42WT1E) . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-20

PARTS GUIDE

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.

SHPRN000222C-GLDN

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

LC-32WD1E/S/RU, LC-37WD1E/S/RU, LC-42WD1E/S/RU, and LC-32/37/42WT1E

Preface and Safety Information

This manual contains service instructions for the Sharp AQUOS LCD colour television, model numbers

• LC-32WD1E, LC-32WT1E, LC-32WD1S, LC-32WD1RU

• LC-37WD1E, LC-37WT1E, LC-37WD1S, LC-37WD1RU

• LC-42WD1E, LC-42WT1E, LC-42WD1S, LC-42WD1RU

This manual contains information and procedures to (1) isolate defective parts and repair them and (2) return the television to a safe, normal operating condition.

No attempt should be made to service or disassemble the product beyond the procedures provided in this document. The manufacturer will not be liable for (1) any injury to person or product that results from attempting to service the product beyond

the instructions provided in this manual or (2) the incorrect or mis-use of the information in this manual. This manual is copyrighted and all rights are reserved. This product may not, in whole or in part, be copied, photocopied, translated,

or reduced to any electronic or machine-readable form without prior written consent, except for copies retained by the purchaser for backup purposes.

The information in this manual is subject to change without notice. Any changes will be made and published in future releases of this manual.

Product and company names mentioned herein may be the trademarks of their respective owners and may be trademarked in one or more countries.

NO WARRANTY OR REPRESENTATION, EITHER EXPRESSED OR IMPLIED, IS MADE WITH RESPECT TO THIS DOCUMENTATION, ITS QUALITY, PERFORMANCE, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.

[1] PRINTING FROM THIS BOOK

[1.1] Automatically Print Oversized Pages

When you print this manual from Adobe® Acrobat®, the book will automatically print to the (default) page size. If you want the oversized sized pages to automatically print to a larger page size, do the following:

1. In Adobe Acrobat, select File > Print.

2. In the Print dialog box, in the Page Handling section, select Chose Paper Source by PDF page size.

3. Select OK to print.

[1.2] Printing Complicated Graphics

This book contains a large number of complicated graphics. Depending on your printer, you may have difficulties printing some of these graphics. To correct this problem, do the following:

1. In Adobe Acrobat, select File > Print.

2. In the Print dialog box, select Advanced.

3. In the Advanced Print Setup dialog box, select Print as Image.

4. Select OK to print.

1. These instructions may differ slightly depending on what version and type of Adobe Acrobat yo u are using.

LC-32WD1E/S/RU, LC-37WD1E/S/RU, LC-42WD1E/S/RU, and LC-32/37/42WT1E

[2] SAFETY AND EMI PRECAUTIONS

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.

CAUTION:

FOR CONTINUED PROTECTION AGAINST A RISK OF FIRE REPLACE ONLY WITH SAME TYPE FUSE.

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 220~240 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. 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 1.05 V peak (this corresponds to 0.7 mA peak AC.) or more is excessive and indicates a potential shock hazard which must be corrected before returning the monitor to the owner.

DVM

AC SCALE

1.5k ohm 10W

0.15µF

TEST PROBE

TO EXPOSED METAL PARTS

CONNECT TO KNOWN EARTH GROUND

BEFORE RETURNING THE RECEIVER

(EMI, Electro Magnetic Interference)

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

6. To be sure that EMI regularity is secured after repair, check if all parts have been positioned at exactly the same locations as before repair. Parts like cables, EMC ferrites, and metal parts are EMI sensitive parts and must be replaced or repositioned exactly as before repairs.

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

SAFETY NOTICE

Many electrical and mechanical parts in LCD color 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.

LC-32WD1E/S/RU, LC-37WD1E/S/RU, LC-42WD1E/S/RU, and LC-32/37/42WT1E

[3] PRECAUTIONS FOR 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:

L Fa

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 poo 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

edoCnoitpircseD.oN traP

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

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

L F a/a

[4] SAFETY WARNINGS

[4.1] Service by Qualified Personnel Only

WARNING! THIS MANUAL IS FOR USE BY QUALIFIED SERVICE PERSONNEL ONLY. ALL SERVICING SHOULD BE

REFERRED TO QUALIFIED SERVICE PERSONNEL. TO PREVENT INJURY, UNDER NO CIRCUMSTANCES

SHOULD ANYONE OTHER THAN QUALIFIED SERVICE PERSONNEL ATTEMPT TO REMOVE THE COVER OF ANY TELEVISION OR SERVICE IT.

[4.2] Power Safety

WARNING! BEFORE PERFORMING ANY TYPE OF SERVICE OR REPAIR ON ANY TELEVISION, TURN THE UNIT OFF

AND DISCONNECT ITS AC POWER CORD FROM THE POWER SOURCE.

iii

LC-32WD1E/S/RU, LC-37WD1E/S/RU, LC-42WD1E/S/RU, and LC-32/37/42WT1E

CHAPTER 1. SPECIFICATIONS

[1] SPECIFICATIONS

Specifications

32” LCD Colour TV

LCD screen size 32” diagonal 37” diagonal 42” diagonal Number of pixels 1366 x 768 Video colour system PAL, PAL 60, NTSC 3.58, NTSC 4.43, SECAM Sound standard B/G, L/L’, I, D/K TV

Function

Brightness Backlight life 60,000 hours

Viewing Angles H: 176° V: 176° Audio amplifier Class D audio amplifier, 2x 10Watt Speaker 126 mm x 58 mm Terminals Rear Antenna UHF/VHF 75 ohm Din type (Analogue & Digital)

OSD Languages English, German, French, Spanish, Dutch, Portuguese, Turkish, Greek, Russian,

Power Requirement AC 220-240 V, 50 Hz Power Consumption 141 W

Weight 19 kg (display with stand)

Operating Temperature 0°C – 35°C

a. Model numbers: LC-32WD1E, LC-32WT1E, LC-32WD1S, LC-32WD1RU b. Model numbers: LC-37WD1E, LC-37WT1E, LC-37WD1S, LC-37WD1RU c. Model numbers: LC-42WD1E, LC-42WT1E, LC-42WD1S, LC-42WD1RU

TV-Standard Analogue CCIR (B/G, I, D/K, L, L’)

Digital DVB-T (2K/8K OFDM)

Receiving Channels

TV Tuning System Auto Preset channels, Auto Label, Auto Sort Stereo/Bilingual NICAM/A2

Side EXT 3 S-Video (Y/C input), CVBS input, left/right RCA pin audio input

VHF/UHF E2-E69ch, F2-F10ch, I21-I69ch, IR A-IR Jch, (Digital: E5-E69ch) CATV Hyper-band, S1-S41ch

450 cd/m

EXT 1 SCART (S-Video input, analogue RGB input, CVBS input, tuner CVBS output) EXT 2 SCART (S-Video input, analogue RGB input, CVBS input/output) EXT 4 Component Video input (Y,P EXT 5

EXT 6 EXT 7 HDMI input

CI-Slot (Common Interface)

Output Left/right RCA pin audio output Service D-Sub 9 Service port (for qualified service personnel only)

Headphones

VGA input, 3.5 mm stereo input HDMI input, 3.5 mm stereo input

EN50221, R206001

∅

Italian, Polish, Swedish, Finnish

(<9 W Active standby) (<1 W Passive standby)

17 kg (display only)

3.5 mm jack (audio output)

∅

37” LCD Colour TV

B,PR input), left/right RCA pin audio input

177 W (<9 W Active standby) (<1 W Passive standby)

23.5 kg (display with stand) 20 kg (display only)

42” LCD Colour TV

190 W (<9 W Active standby) (<1 W Passive standby)

32 kg (display with stand)

28.5 kg (display only)

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

LC-32WD1E/S/RU, LC-37WD1E/S/RU, LC-42WD1E/S/RU, and LC-32/37/42WT1E

CHAPTER 2. OPERATION MANUAL

[1] OPERATION MANUAL

Television rear and side view

P (

)

(Programme [channel] buttons)

(- / + ) (Volume buttons)

EXT 3 Connections

S-Video input (Y/C)

Composite input (CVBS)

Audio input - Left

Audio input - Right

Headphones (audio out)

The S-Video (Y/C) and composite (CVBS) connection cannot be used at the same time.

AC Input

Common Interface slot

Antenna input (DVB-T 5V=/80 mA)

EXT 2 (SCART input/output)

(Input button)

(Standby/On button)

EXT 4 (Component input)

Audio output

EXT 6 (HDMI input, Stereo input for DVI-HDMI connections)

Service (D-Sub 9)

TV front view

Remote control sensor

OPC sensor

EXT 1* (SCART input/output)

2 - 1

EXT 5 (VGA / Stereo input)

*EXT 1 provides tuner output. Use EXT 1 to connect a decoder or audiovisual equipment used for recording purposes (ex. VCR).

OPC LED indicator SLEEP LED indicator

Standby/On LED indicator Remote Control indicator

EXT 7 (HDMI input)

LC-32WD1E/S/RU, LC-37WD1E/S/RU, LC-42WD1E/S/RU, and LC-32/37/42WT1E

Remote control function

(Standby/On)

Switches the TV between on and standby mode.

2AV MODE

Selects a preset audio/video setting (AV Mode).

3OPC

Turns the Optical Picture Control (OPC) “On” and “Off”.

4 0–9

TV/DTV: Directly selects the channel. Teletext: Selects the page.

(Flashback)

Returns to the previous channel or AV input.

(WIDE MODE)

Selects wide mode.

8EPG

9ESG

11 S/T/W/X (Cursor)

12 END

15 TruSurround

16 RADIO

(Sound mode)

See “Using Multiplex” on page 2.

DTV: Displays the EPG (Electronic Programme Guide) screen.

DTV: Displays the ESG (Electronic Service Guide) screen.

(Teletext)

TV: Selects the teletext mode. DTV: Selects the teletext mode or MHEG service (if available). To specify which service displays, refer to “Language”.

Selects an item on the screen.

Press to exit the on-screen display menu screen.

(Reveal hidden teletext)

Reveals/hides hidden teletext information.

(Freeze/Hold)

TV/DTV/External: Freezes the onscreen image. Teletext: Stop updating teletext pages automatically or release the hold mode.

Turns SRS TruSurround® “On” and “Off”.

DTV: Switches between RADIO and DTV Mode.

(Mute)

Turns the sound “On” and “Off”.

18 DTV

Switches between analogue TV mode and DTV mode.

22 SLEEP

(+ / -) (Volume)

Increases or decreases the volume. P ()

TV/DTV: Selects the channel. External: Switches to TV or DTV input mode. Teletext: Move to the next or previous page.

(Input source)

Selects an input source.

Sets the amount of time the TV will stay on before automatically turning off. (In units of 30 minutes to a maximum of 2 hours 30 minutes.)

(Display information) TV: Displays channel information. DTV: Displays the service banner.

24 DTV MENU

DTV: Displays the DTV on-screen display menus.

25 MENU

Displays the Main TV on-screen display menus.

26 OK

Selects an option in the on-screen display menu. Displays the programme list (except for external input).

27 RETURN

Returns to the previous menu.

(Subpage) Displays current time. Teletext: Displays or hides subpages.

(Subtitle for Teletext)

TV/External: Turns the teletext subtitles “On” and “Off. DTV: Displays the subtitle selection screen.

30 Colour (Red/Green/Yellow/Blue)

TeleText: Selects a group or block of pages displayed in the coloured brackets at the bottom of the screen by pressing the corresponding colour button on the remote control. DTV: When using the on-screen display, assigned tasks as indicated at the bottom of the screen.

Using Multiplex

DTV mode— Press to change

languages. Analogue TV mode—Each time you

press , the mode switches as illustrated in the following table.

Signal Selectable Item

Mono Mono Mono

A2 TV broadcasts selection

Mono Mono Stereo Stereo, Mono Dual Channel A (I), Channel B (II),

Channel AB (I+II)

NICAM TV broadcasts selection

Mono NICAM Mono Stereo NICAM Stereo, FM/AM* Mono Dual NICAM Channel A (I), NICAM

Channel B (II), NICAM Channel AB (I+II), FM/AM Mono*

* Depending on the country, the option is either AM or FM mono.

LC-32WD1E/S/RU, LC-37WD1E/S/RU, LC-42WD1E/S/RU, and LC-32/37/42WT1E

CHAPTER 3. DIMENSIONS

[1] DIMENSIONS

LC-32WD1E / LC-37WD1E / LC-42WD1E LC-32WT1E / LC-37WT1E / LC-42WT1E LC-32WD1S / LC-37WD1S / LC-42WD1S LC-32WD1RU / LC-37WD1RU / LC-42WD1RU

(499.3) / [547.1] / ((547.1)) (499,3) / [547,1] / ((547,1))

(796.0) / [913.0] / ((1027.0)) (796,0) / [913,0] / ((1027,0))

(700.0) / [822.6] / ((933.0)) (700,0) / [822,6] / ((933,0))

( ) : LC-32WD1E

LC-32WT1E LC-32WD1S LC-32WD1RU

[ ] : LC-37WD1E

LC-37WT1E LC-37WD1S LC-37WD1RU

(( )) : LC-42WD1E

LC-42WT1E LC-42WD1S LC-42ED1RU

LC-32WD1E LC-32WT1E LC-32WD1S LC-32WD1RU LC-37WD1E LC-37WT1E LC-37WD1S LC-37WD1RU LC-42WD1E LC-42WT1E LC-42WD1S LC-42WD1RU

(530.5) / [598.2] / ((673.0))

(530,5) / [598,2] / ((673,0))

(587.6) / [655.3] / ((730.0))

(587,6) / [655,3] / ((730,0))

((57.1))

((57,1))

(57.1) / [57.1]

(57,1) / [57,1]

((45.6))

((45,6))

(114.2) / [87.2]

(114,2) / [87,2]

200.0

200,0

200.0 200,0

(394.6) / [463.8] / ((526.0))

(394,6) / [463,8] / ((526,0))

3 - 1

(341.8) / [376.0] / ((418.0))

(341,8) / [376,0] / ((418,0))

(82.1) / [116.1] (82,1) / [116,1]

((115.3)) ((115,3))

(243.0) / [293.0] (243,0) / [293,0]

((293.0)) ((293,0))

(110.0) / [110.0] (110,0) / [110,0]

((111.0)) ((111,0))

LC-32WD1E/S/RU, LC-37WD1E/S/RU, LC-42WD1E/S/RU, and LC-32/37/42WT1E

CHAPTER 4. REMOVING OF MAJOR PARTS

[1] REMOVE MAJOR PARTS LC-32WD1E/S/RU AND LC-32WT1E

1. Remove the 4 lock screws (1). Detach the Stand.

2. Remove the 7 lock screws (2). Remove the 10 lock screws (3). Detach the Rear Cover.

3. Remove 4 lock screws (4). Detach Wall Mount Bracket (Top).

4. Remove 4 lock screws (5). Detach Wall Mount Bracket (Bottom).

5. Disconnect cable (X012). Remove 2 lock screws (6) and detach Key Unit Plate.

6. Remove 2 lock screws (7) and detach Key Unit.

7. Disconnect cable (X0208). Remove 1 lock screw (8). Detach Side I/O.

8. Remove 2 lock screw (9). Detach Side I/O PBA.

9. Disconnect cable (X021). Remove 1 lock screw and washer (10). Detach Speaker R.

10. Remove 4 lock screws (11). Detach Speaker from Speaker Box.

11. Disconnect cable (X022). Remove 1 lock screw and washer (12). Detach Speaker L.

12. Remove 4 lock screws (13). Detach Speaker from Speaker Box.

4 - 1

LC-32WD1E/S/RU, LC-37WD1E/S/RU, LC-42WD1E/S/RU, and LC-32/37/42WT1E

13. Remove all the connections from PWBs.

14. Remove 6 lock screws (14). Dismount power cable. Remove Shield.

15. Remove 3 lock screws (15). Remove 2 lock screws (16). Detach Bottom Bracket.

16. Remove 9 lock screws (17). Deta ch Power Unit.

17. Remove 2 lock screws (18). Detach IR/LED PBA, IR Window, and Seals. —OR—

Detach IR/LED PBA, IR Window, and IR Tube.

18. Remove 4 lock screws (19). Remove 4 lock screws (20). Remove 2 lock screws (21).

19. Remove 2 lock screws (22). Deta ch Mainbo ard Unit.

1. Depending on the manufacture date, the unit may have either configuration. Preferred configuration is with IR Tube.

4 - 2

LC-32WD1E/S/RU, LC-37WD1E/S/RU, LC-42WD1E/S/RU, and LC-32/37/42WT1E

20. Remove 4 lock screws (23). Remove Panel Plate.

21. Remove 4 lock screws (24). Remove 2 lock screws (25). Remove Panel Bracket Left.

22. Remove 4 lock screws (26). Remove 2 lock screws (27). Remove Panel Bracket Right.

23. Remove the LCD panel from the Front Cover.

4 - 3

LC-32WD1E/S/RU, LC-37WD1E/S/RU, LC-42WD1E/S/RU, and LC-32/37/42WT1E

[2] REMOVE MAJOR PARTS LC-37WD1E/S/RU AND LC-37WT1E

1. Remove the 4 lock screws (1). Detach the Stand.

2. Remove the 7 lock screws (2). Remove the 10 lock screws (3). Detach the Rear Cover.

3. Remove 4 lock screws (4). Detach Wall Mount Bracket (Top).

4. Remove 4 lock screws (5). Detach Wall Mount Bracket (Bottom).

5. Disconnect cable (X012). Remove 2 lock screws (6) and detach Key Unit Plate.

6. Remove 2 lock screws (7) and detach Key Unit.

7. Disconnect cable (X0208). Remove 1 lock screw (8). Detach Side I/O.

8. Remove 2 lock screw (9). Detach Side I/O PBA.

9. Disconnect cable (X021). Remove 2 lock screws and washers (10). Detach Speaker R.

10. Remove 4 lock screws (11). Detach Speaker from Speaker Box.

11. Disconnect cable (X022). Remove 2 lock screws and washer (12). Detach Speaker L.

12. Remove 4 lock screws (13). Detach Speaker from Speaker Box.

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13. Remove all the connections from PWBs.

14. Remove 6 lock screws (14). Dismount power cable. Remove Shield.

15. Remove 4 lock screws (15). Detach Bottom Bracket.

16. Remove 9 lock screws (16). Deta ch Power Unit.

17. Remove 2 lock screws (17). Detach IR/LED PBA, IR Window, and Seals. —OR—

Detach IR/LED PBA, IR Window, and IR Tube.

18. Remove 4 lock screws (18). Remove 4 lock screws (19). Remove 2 lock screws (20).

19. Remove 2 lock screws (21). Deta ch Mainbo ard Unit.

2. Depending on the manufacture date, the unit may have either configuration. Preferred configuration is with IR Tube.

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20. Remove 4 lock screws (22). Remove Panel Plate.

21. Remove 4 lock screws (23). Remove 2 lock screws (24). Remove Panel Bracket Left.

22. Remove 4 lock screws (25). Remove 2 lock screws (26). Remove Panel Bracket Right.

23. Remove the LCD panel from the Front Cover.

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[3] REMOVE MAJOR PART S LC-42W D1E/S/RU AND LC-42WT1E

1. Remove the 4 lock screws (1). Detach the Stand.

2. Remove the 6 lock screws (2). Remove the 11 lock screws (3). Detach the Rear Cover.

3. Remove 4 lock screws (4). Detach Wall Mount Bracket (Top).

4. Remove 4 lock screws (5). Detach Wall Mount Bracket (Bottom).

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5. Disconnect cable (X012). Remove 2 lock screws (6) and detach Key Unit Plate.

6. Remove 2 lock screws (7) and detach Key Unit.

7. Disconnect cable (X0208). Remove 1 lock screw (8). Detach Side I/O.

8. Remove 2 lock screw (9). Detach Side I/O PBA.

9. Disconnect cable (X021). Remove 2 lock screws and washers (10). Detach Speaker R.

10. Remove 4 lock screws (11). Detach Speaker from Speaker Box.

11. Disconnect cable (X022). Remove 2 lock screws and washer (12). Detach Speaker L.

12. Remove 4 lock screws (13). Detach Speaker from Speaker Box.

13. Remove all the connections from PWBs.

14. Remove 6 lock screws (14). Dismount power cable. Remove Shield.

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15. Remove 4 lock screws (15). Remove 2 lock screws (16). Detach Bottom Bracket.

16. Remove 9 lock screws (17). Deta ch Power Unit.

17. Remove 4 lock screws (18). Remove 4 lock screws (19). Remove 2 lock screws (20).

18. Remove 2 lock screws (21). Deta ch Mainbo ard Unit.

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19. Remove 4 lock screws (22). Remove Panel Plate.

20. Remove 2 lock screws (23). Remove Screen Bracket Left.

21. Remove 4 lock screws (24). Remove Screen Bracket Right.

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22. Remove 4 lock screws (25). Remove Panel Bracket Left.

23. Remove 4 lock screws (26). Remove Panel Bracket Right.

24. Remove 2 lock screws (27). Detach IR/LED PBA, IR Tube, and IR Window.

25. Remove 2 lock screws (28). Remove 2 lock screws (29). Remove Panel Clamp 1.

26. Remove 2 lock screws (30). Remove 2 lock screws (31). Remove Panel Clamp 2.

27. Remove 2 lock screws (32). Remove 2 lock screws (33). Remove Panel Clamp 3.

28. Remove 2 lock screws (34). Remove 2 lock screws (35). Remove Panel Clamp 4.

29. Remove the LCD panel from the Front Cover.

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CHAPTER 5. ADJUSTMENT PROCEDURES

[1] UPGRADING SOFTWARE

[1.1] File types and Hardware/Software Requirements

File Type Hardware Software

All Upgrades • Controlling PC

(running Microsoft® Windows®)

• Television

• Power cable

• Remot e co ntrol

Analogue • UOC/GTV application

(.hex)

• PNX application(s) (.mi)

• PNX config files (.cfg)

• PNX EEPROM (.eeprom)

Digital • ST/Futarque DTV (.bin) • PCMCIA Compact Flash (CF)

UOC eeprom • This software should never be upgraded. This device is written (initialized) automatically during the installa-

tion procedure at first power-on.

• Service PCB

• Jumper

• Aardvark tool

• USB cable

adapter

• CF memory card

• Latest software package and release notes

• ServUpdtArdV_vx_x.exe Application for controlling the

update

• FTD2XX.*

Drivers for Aardvark tool

[1.2] Time Requireme nts

Image Time required

Analogue +/- 8 minutes

/gtv_flash.hex +/- 40 seconds /bffs0/app.mi +/- 440 seconds /bffs0/dsw.mi +/- 150 seconds /bffs0/gamma.cfg +/- 4 seconds /bffs0/hdcp.cfg +/- 4 seconds /bffs0/profile.cfg +/- 4 seconds /PNX Eeprom +/- 10 seconds

Digital +/- 120 seconds

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[1.3] Analogue Upgrade

[1.3.1] Analogue Upgrade Software Setup

Refer to “File types and Hardware/Software Requirements” on page 5-1.

1. Copy all files from the CD-ROM to your hard drive. Do not re-organize the file directories.

2. Open ServUpdtArdV_vx_x.exe. The application should open with no errors. Close the application.

3. During the hardware setup (if necessary), you will be prompted to install FTD2XX.*.

[1.3.2] Analogue Upgrade Hardware Setup

1. On the Service PCB, install the jumper to shortcut the X2 jumper position.

Jumper

2. Connect the Service PCB to the TV by the DB9 connector. (Refer to “T elevision rear and side view” on page 2-1.)

3. Connect the Aardvark tool to the Service PCB.

4. Connect the USB cable to the Aardvark tool. Connect the other end of the USB cable to the controlling PC.

Note:

The first time the Aardvark tool is connected to the controlling PC, Windows may prompt for missing drivers. Browse to the “\driver” directory on the service jigs CDROM and select the requested drivers (FTD2XX.*).

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[1.4] Analogue Upgrade Process

1. Disconnect the TV from AC power. Wait 10 seconds. Do NOT go to standby first. Just unplug the power cord.

2. Connect the TV with the set up as described in “Analogue Upgrade Hardware Setup” on page 5-2.

3. Connect the TV to AC power.

4. Press to turn the TV on. (The Standby/On LED on the front of the TV is GREEN.)

5. Open ServUpdtArdV_vx_x.exe.

6. In ServUpdtArdV_vx_x.exe, be sure that the checkbox by Enter ISP is highlighted automatically.

Note:

If Enter ISP is not automatically checked, try to select the Enter ISP button. If this does not highlight the checkbox, close the application and re-check your setup as described in “Analogue Upgrade Hardware Setup”, power the TV on and off, and then start over at step1.

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7. Select the image file(s) you want to upgrade.

a. For each image file that you want to upgrade, press Select to open a browse window. b. Browse to the location of the new image files and select the file.

Note:

• The image files must be on the hard drive of the controlling PC. They cannot be on a network connection.

• The image file names may vary. Use the release notes to identify the correct image file.

• The image files may be located in the subdirectories of the software package.

• To make sure the tool is working properly, you can first try to download only the *.cfg files. They are small so you will see rather quickly if something is going wrong.

c. Select Program All to start the upgrade. DO NOT INTERRUPT THIS SEQUENCE!

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8. When finished, a message similar to this will be displayed:

Note:

If the upgrade fails, please power off the set and close the program. Then restart the procedure.

9. Close your PC application.

10. If you updated the GTV image (.hex file), it is possible the LEDs on the front of the TV will blink and illuminate for approximately 30 seconds. This is the virgin TV Init process. Wait until the LEDs are off, and then the TV will start up automatically.

Step 1: Visual notification for the start of the EEPROM TV initialization (3 sequences)

Step 2: Visual notification for the TV initialization / data writing (1 sequence):

Step 3: Visual notification for the end of the eeprom TV initialization (3 sequences)

1 1 . Disconnect the Service PCB from the TV.

12. Disconnect the TV from AC power. Wait 10 seconds.

13. Connect the TV to AC power. The TV will turn on automatically. (Standby/On LED is GREEN.)

14. Complete the steps in the automatic setup.

15. Verify the TV was upgraded correctly. (See “Service Menu Settings” on page 9.)

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[1.5] Digital Upgrade Process

1. Place the latest digital software on the CF card. (Refer to the release notes to identify the correct file.)

2. If the TV is not already on, connect the TV to AC power and press to turn the TV on.

3. Press DTV on the remote control to put the television into DTV mode.

4. Disconnect the TV from AC power. Wait 10 seconds. Do NOT go to standby first. Just unplug the power cord.

5. Insert the CF card into the PCMCIA CF adapter.

Note:

6. Insert the PCMCIA CF adapter into the CI-slot on the rear panel of the TV. (Refer to “Television rear and side view” on page 2-1.)

7. Connect the TV to AC power. The upgrade process will start. The message “Digital TV, Starting” will display on the screen.

8. When the “Digital TV, Starting” message is no longer on the TV, the upgrade process is complete.

9. If the TV is not on already, press to turn on the TV.

10. Complete the steps in the automatic setup.

11. Using the remote control, verify that the TV was upgraded correctly by going to the following screen: Press DTV and then press DTV MENU. Go to Installation > About.

Note:

A CF memory card is included in the software upgrade kit. Please use this CF card when upgrading. Most other 32 MB and 64 MB cards will work, but they are not fully tested.

Downgrade Instructions: The easiest way to perform a downgrade is to rename the file (with the old version you

want to downgrade to) to a version higher than the one that is currently in the set. So if version 1.03 is currently in the set and you want to downgrade to v1.01, you should rename the file “8400-14001_01.bin” on the Compact Flash to “8400-14001_04.bin”.

Note:

Forced Download Instructions:

The “Downgrade Instruction” procedure can also be used when software is partly written to the flash (for example, in the case of a power failure).

Before upgrading, the software versions (on the CF card and TV) are compared. If the versions are the same, the upgrade is automatically cancelled. A partly written flash can never be upgraded unless the system is fooled by renaming the file as described in “Downgrade Instructions”.

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[2] TROUBLESHOOTING SOFTWARE UPGRADE

Start ServUpdtArdV_vx_x.exe

Yes

Is checkbox behind “Enter ISP”

checked?

Yes

Are files found when pressing

“select”

Yes

Is Flashing interrupted due to:

- error message

- power loss

Is the right file on the CF?

Yes

- Is Aardvark.dll still in same directory?

- Copy complete directory “ServUpdt” to HDD.

- Is your OS Microsoft Windows?

Check if all connections are according the dervice manual and the TV set is powered on.

Check if correct tool is selected in “Select Port”

Request latest set-software. Copy the files to your HDD.

Browse to the destination you copied the files to.

Please restart SW upgrading procedure.

Flashing of Analogue TV

Request latest set-software. Copy the files to your HDD.

Copy *.bin file to CF (check release notes)

Is the display still black after

flashing time expired?

Is flashing interrupted due to:

- power loss

DVBt doesn’t start after reboot?

Power off set and remove FC card Power on set and check SW version

If version is not updated, retry flash procedure

Please restart SW upgrading procedure.

Is the CF card removed? Rename the *.bin file to a higher number and retry.

Flashing of Digital TV

if the file is called: “8400-14001_02.bin” then rename it to “8400-14001_03.bin” Attention: this procedure can be use when SW is partly written to the flash due to e.g. power failure. Before upgrading, the version is checked. When it’s the same the upgrade will be cancelled. So the partly written flash can never be upgraded unless the SW is fooled by this higher version (renamed file). So in fact this is a forced download...

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[3] ENTERING THE PUBLIC MODE MENUS

1. On the remote control, press MENU.

•The TV Menu screen displays.

2. Enter the PIN code “3001”.

• Using the number keypad, press 3, then 0, then 0, and then 1. (Each button in the sequence must be pressed immediately after the button before it or the television will not recognize the entry code.)

Note:

Depending on the Public Mode settings, the TV Menu screen may not be visible when Public Mode is activated. To open the Public Mode me nu, the user still needs to open the TV Menu (which remains hid den) and enter “3001”.

[4] REMOTE CONTROL KEY OPERATION IN PUBLIC MODE

[4.1] Remote Control Key Operation

Remote Control Key Function / Remark

S/T W/X

END Press to exit the service menus.

Press to move up and down and select the desired item. Press to change the setting of the selected item.

[5] PUBLIC MODE SETTINGS

Item Available Settings and Description

Power On Fixed

Maximum Volume [Range] — The volume level specified here is the maximum volume level for the TV. Volume Fixed Variable — The sound volume is not fixed.

Volume Fixed Level [Range] — The volume level specified here is the fixed volume level for the TV. RC Button Respond — The TV will respond when buttons are pressed on the remote control.

Panel Button Respond — The TV will respond when buttons are pressed on the panel / keypad.

Menu Button Respond — The TV will respond when Menu and DTV Menu are pressed.

On Screen Display On — The on screen display menus will behave normally.

Input Mode Start [Variable] — When the TV is turned on, the TV will start-up in this input mode. Input Mode Fixed On — The input mode is fixed to the mode set in “Input Mode Start”.

Reset Resets the Public Mode setting s to the factory defaults. Public Mode On — The TV will follow the settings specified in the Public Mode menu.

Variable — The TV will go into standby mode when is pressed. Fixed — The TV will not go into standby mode when is pressed.

Fixed — The sound volume is fixed to the level set in “Volume Fixed Level”.

No Respond — The TV will not respond when buttons are pressed on the remote control.

No Respond — The TV will not respond when buttons are pressed on the panel / keypad.

No Respond — The TV will not respond when Menu and DTV Menu are pressed.

Off — The on screen display menus will not display.

Off — The input mode is not fixed.

Off — The TV will ignore the settings specified in the Public Mode menu.

[6] ENTERING THE SERVICE MENUS

1. On the remote control, press MENU.

•The TV Menu screen displays.

2. Enter the PIN code “1147”.

• Using the number keypad, press 1, then 1, then 4, and then 7. (Each button in the sequence must be pressed immediately after the button before it or the television will not recognize the entry code.)

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[7] SERVICE MODE REMOTE CONTROL KEY AND DESCRIPTION OF DISPLAY

[7.1] Remote Control Key Operation

Remote Control Key Function / Remark

1 - 9 Enter the item number (3-digit format) to go to the specified item.

S/T W/X

END Press to exit the service menus.

[7.2] Description of Display

Press to scroll one-by-one through the service item screens. Press to change the setting of the selected service item.

Item Category* Setting

INTROADRUNNERXX

Item #

001 00000000

01000000 11000010 00000000

Init TV 0 00000000

00111100

*Where “X” indicates the version of the software package.

[8] SERVICE MENU SETTINGS

CAUTION:

Item # Item

000 GTV

001 Init TV 0 = Off

276 Gam-20IRE-R 0 - 255 White Point Calibration. See “Using White Point Calibration Items” on page 5-

277 Gam-80IRE-R 0 - 255 White Point Calibration. See “Using White Point Calibration Items” on page 5-

278 Gam-20IRE-G 0 - 255 White Point Calibration. See “Using White Point Calibration Items” on page 5-

279 Gam-80IRE-G 0 - 255 White Point Calibration. See “Using White Point Calibration Items” on page 5-

280 Gam-20IRE-B 0 - 255 White Point Calibration. See “Using White Point Calibration Items” on page 5-

281 Gam-80IRE-B 0 - 255 White Point Calibration. See “Using White Point Calibration Items” on page 5-

858 Virgin bit 0 = Off

Only the items described in this section should be modified. Do not modify any other se tti ngs available in the service menus.

Available Settings Remarks (adjustment details, etc.)

Not Applicable 1st line describes the overall SW package version name (See [7.2].)

Application

X = Activate

1 = On

2nd line describes the UOC/GTV SW version 3rd line on the right describes the PNX SW version

Initialization to factory settings. When the factory settings have been made, all user setting data, including the channel settings, are initialized. (The adjustments done in the adjustment process mode are not initialized.)

See “Using Init TV” on page 5-10.

11.

11. Puts the TV into virgin mode. When the TV is restarted, the TV will start in virgin

mode. The Auto Install menu (wizard) will start when the TV is restarted, but the EEPROM settings are not erased. See “Using Virgin Bit” on page 5-11.

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925 Last Error

Code

926 Error Count Not Applicable Number of times the set went into reset due to an error. 927 LCD Size 1 = LC-32WD1E

Not Applicable The last error code recorded.

0x00 = DTV HANGUP 0x01 = POWER_ON_RESET 0x02 = SUPPL Y_V OLTAGE_INDICATION_ERROR 0x04 = OUTPUT_VERTICAL_GUARD_ERROR 0x08 = XRAY_PROTECTION_ERROR 0x10 = PROTECTION_1_8V_SUPPLY_VOLTAGE_ERROR

Sets the panel size of the TV . Set this setting after replacing the mainboard. This 1 = LC-32WT1E 2 = LC-32WD1S 3 = LC-32WD1RU 4 = LC-37WD1E 4 = LC-37WT1E 5 = LC-37WD1S 6 = LC-37WD1RU 7 = LC-42WD1E 7 = LC-42WT1E 8 = LC-42WD1S 9 = LC-42WD1RU

setting must be set to make sure the right settings are loaded for this TV

(gamma table, etc.).

[8.1] Using Init TV

CAUTION:

Item # Item Adjustment Conditions Adjustment Procedure

001 Init TV See caution above. 1. Enter the adjustment process mode.

When factory settings have been made, all user setting data, including the channel settin gs, are initialized. (The adjustments done in the adjustment process mode are not initialized.) Keep this in mind when initializing these settings.)

2. Go to this item. Press The screen will go dark and the LEDs on the front of the TV

will alternate between cycling and all illuminated. When finished, the On/Standby LED will illuminate GREEN

and the TV will be on.

CAUTION: Never turn the power off during initialization.

The following settings have been reset to the factory settings:

• User settings.

• Channel data (e.g., broadcast frequencies)

• Password data

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[8.2] Using White Point Calibration Items

Item # Item Adjustment Conditions Adjustment Procedure

276 277 278 279 280 281

Gam-20IRE-R Gam-80IRE-R Gam-20IRE-G Gam-80IRE-G Gam-20IRE-B Gam-80IRE-B

• White point adjustment can only be done after a preheating (burn-in) of the TV set or LCD panel for at least 15 minutes.

• The White point adjustment can only be done with an I2c tool and the SW to control the W/B settings.

Adjustment Reference Device:

• Minolta CA-210

Target Values:

80% WHITE WINDOW

x: 0.2764 ± 0.0050 y: 0.2814 ± 0.0050 Lv: 243.1 ± 50.0

20% WHITE WINDOW

x: 0.2764 ±0.0075 y: 0.2814 ±0.0075 Lv: 11.5 ±10.0

1. Position the colorimeter Minolta CA-210 against the panel exactly in front-mid of the panel (in a dark room)

2. Send the I2c command to generate the internal 80% white test-picture from PNX.

3. Measure the Lv with the CA-210 and adjust the 80% green value via I2c commands.

* Lv = G

4. Measure the y parameter with the CA-210 and adjust the 80% Blue value via I2c commands.

* y = -B

5. Measure the x parameter with the CA-210 and adjust the 80% Red value via I2c commands.

* x = R Repeat the Blue and Red adjustment twice to get a better

end result.

6. Send the I2c command to generate the internal 20% white test-picture from PNX.

7. Measure the Lv with the CA-210 and adjust the 20% Green value via I2c commands.

* Lv = G

8. Measure the y parameter with the CA-210 and adjust the 20% Blue value via I2c commands.

* y = -B

9. Measure the x parameter with the CA-210 and adjust the 20% Red value via I2c commands.

* x = R

10. Repeat the Blue and Red adjustment twice to get a better end result.

[8.3] Using Virgin Bit

Item # Item Adjustment Conditions Adjustment Procedure

858 Virgin bit None. 1. Enter the adjustment process mode.

2. Go to this item. Press

3. Press to put the TV into standby mode.

4. Press to turn the TV on. The TV is in virgin mode. The setup wizard should be

displayed on the screen.

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X to set the item to 1.

+ 172 hidden pages

Sharp LC-32WD1E/S/RU, LC-42WT1E, LC-37WD1E/S/RU, LC-42WD1E/S/RU, LC-32WT1E Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual