Sharp LC-37D42U User manual

SERVICE MANUAL

How to distinguish the model labels of new and old panel modules.

As to the new panel module, the mark A is printed on the model label.

Old panel module New panel module

No A mark on the right side of the model name A mark on the right side of the model name

Example Example

No Mark

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.

TopPage

LC-37D42U/LC-37D43U/LC-C3742U

In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its orig-

inal condition and only parts identical to those specified should be used.

In this Service Manual, only parts in the LCD module are shown. For the other points, refer to the LC-37D42U/LC-

37D43U/LC-C3742U (S06X9LC32D42U/SX6Y9LC37D43U/SX6Y7LCC3742U) Service Manual.

New panel modules are incorporated in LC-37D42U/LC-37D43U/LC-C3742U with the Serial No. "****51112~".

OUTLINE

LCD COLOR TELEVISION

LC-37D42U

LC-37D43U

LC-C3742U

MODELS

No. S47G3LC37D42U

SUPPLEMENT

LC-37D42U/LC-37D43U/LC-C3742U

LC-37D42U (A) Service Manual

OUTLINE AND ADJUSTMENT

[1] Outline

In this Service Manual, only parts in the LCD module are shown. For the other points, refer to the LC-37D42U/LC-37D43U/LC-C3742U

(S06X9LC32D42U/SX6Y9LC37D43U/SX6Y7LCC3742U) Service Manual.

New panel modules are incorporated in LC-37D42U/LC-37D43U/LC-C3742U with the Serial No. "****51112~".

[2] Adjustment

When replacing the LCD control PCB, follow these steps to adjust VCOM.

1) Remove the wire from the LCD control PCB CN3.

2) Connect a wire of the VCOM adjustment jig (electronic volume adjustment BOX) to CN3 (see Fig. 1).

3) Turn on the TV set.

4) Turn on the jig (connect to the AC).

5) Enter the process mode to display the item “LCD TEST PATTERN OFF” (see Fig. 2).

6) Press the volume up key once to display a flicker pattern.

7) Press the jig's UP/DOWN switch while looking at the screen to adjust the point so that the flicker is minimized (see Fig. 3).

8) After completing adjustment, press the WRITE switch and make sure the lamp of the WRITE button goes out. (Writing is complete when the lamp

goes out.)

9) Turn off the jig (turn the AC off).

10)Turn off the TV set.

11)Remove the jig’s wire connected to CN3.

12)Reconnect the wire of the set to CN3.

How to distinguish the model labels of new and old panel modules.

As to the new panel module, the mark A is printed on the model label.

Old panel module New panel module

No A mark on the right side of the model name A mark on the right side of the model name

Example Example

No Mark

Jig connection

Fig. 1 Jig connecting location Fig. 2 Test pattern selection screen Fig. 3 VCOM adjustment jig (RUNTZA059WJZZ)

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.

This document has been published to be used

for after sales service only.

The contents are subject to change without notice.

LC-37D42U/LC-37D43U/LC-C3742U

PartsGuide

[1] LCD MODULE Assembly

CONTENTS

LCD COLOR TELEVISION

LC-37D42U

LC-37D43U

LC-C3742U

MODELS

LC-37D42U/LC-37D43U/LC-C3742U

[1] LCD MODULE Assembly

16 15

30 25

LC-37D42U/LC-37D43U/LC-C3742U

NO. PARTS CODE PRICE

RANK

NEW

MARK

PART

DELIVERY

DESCRIPTION

[1] LCD MODULE Assembly

1R1LK370T3LZ6CZ EZ N J LCD Module Ass'y

2CANGTA274WJ01 AX N J Vessel (Top)

3CANGTA277WJ01 AW N J Vessel (Bottom)

4CANGTA275WJ01 AN N J Vessel (L, R), x2

5CHLDZA701WJ01 BD N J Panel Holder Ass'y

6CHLDZA711WJ01 AD N J Spacer Ass'y, x2

7PSLDK2674TPGZ N J Reflection Sheet, x2

8PSLDK2677TPGZ N J Diffusion Panel

9CHLDZ3412TP01 N J Lamp Holder-L

10 CHLDZ3413TP01 N J Lamp Holder-R

11 CLMPCA003WJ02 N J Lamp Unit, x8

12 LHLDZ3414TPZZ N J Lamp Holder (Bottom-A)

13 LHLDZ3415TPZZ N J Lamp Holder (Bottom-B)

14 LHLDZA709WJKZ AC J Sheet Holder, x6

15 LHLDZ3410TPZZ N J Lamp clip A, x2

16 LHLDZ3411TPZZ N J Lamp clip B, x2

17 LHLDZ3614TPZZ N J Lamp clip C, x2

18 PREFL2390TPZZ N J Reflection Mirror

19 CANGK3715TP01 N J Chassis

20 PZETE3991TPZZ N J Insulation Sheet

21 RDENC2300TPZA N J INVERTER Unit

22 LANGK3716TPZZ N J Shield Plate (for Inverter)

23 CPWBX3547TPZB BR N J LCD CONTROL Unit

24 PSLDMA893WJFW AK N J Shield Plate (for LCD CONTROL Unit)

25 QPWBMD670WJGZ N J CS-FPC1, x2

26 LX-LZA101WJZZ AC J Clip, x4

27 LX-BZ2102TPZZ AB N J Screw, x8

28 XEPS930P10000 AA J Screw, x10

29 XBPSN30P14000 AA J Screw, x12

30 XBPS730P06WS0 AA J Screw, x12

31 XBPS730P06000 AA J Screw, x4

LC-37D42U/LC-37D43U/LC-C3742U

No Part of this publication may be reproduced,

stored in a retrieval system, or transmitted in

any from or by any means, electronic, mechanical,

photocopying, recording, or otherwise, without

prior written permission of the publisher.

SHARP CORPORATION

AV Systems Group

CS Promotion Center

Yaita,Tochigi 329-2193, Japan

TQ2187-S YT. DS

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