Sharp Aquos LC-37D90U Manuale utente

SERVICE MANUAL

No. S47E8LC37D90U

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-37D90U

LCD COLOR TELEVISION

MODEL

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-37D90U

(S56S8LC37D90U) Service Manual.

OUTLINE

SUPPLEMENT

LC-37D90U

LC-37D90U 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-37D90U (S56S8LC37D90U) Service Manual.

[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.

Fig. 1 Jig connecting location

Fig. 2 Test pattern selection screen

Fig. 3 VCOM adjustment jig (RUNTZA059WJZZ)

Jig connection

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-37D90U

PartsGuide

[1] LCD MODULE Assembly

CONTENTS

LC-37D90U

LCD COLOR TELEVISION

MODEL

LC-37D90U

[1] LCD MODULE Assembly

LC-37D90U

NO. PARTS CODE PRICE

RANK

NEW

MARK

PART

DELIVERY

DESCRIPTION

[1] LCD MODULE Assembly

1R1LK370D3LZ1AB EZ N J LCD Module Ass'y

2QPWBM0197TPZZ AH N J CS-FPC1,x2

3CPWBX3348TPZC BV N J LCD CONTROL Unit

4PSLDMA992WJFW AL N J Cover (LCD Control Unit (Top))

5PSLDMA804WJM1 AM N J Cover (LCD Control Unit (Bottom))

6LX-BZ2118TPZZ AA N J Screw (for Vessel), x10

7XBPS730P06WS0 AA J Screw (for INV, LCD CONTROL), x13

8CCHSMA310WJ01 BP N J Chassis Ass'y

9KLMP-A127WJZZ BA N J Lamp Unit, x11

10 LHLDZA682WJKZ AX N J Lamp Holder, x2

11 PCOVUA090WJZZ BA N J Diffusion Panel

12 PSHEPA423WJZZ AU N J Reflection Sheet

13 PSHEPA424WJZZ BM N J Prism Sheet

14 PSHEPA425WJZZ BT N J Optical Sheet

15 PSLDMA953WJFW AN N J Inverter Cover

16 RUNTKA244WJZZ BM N J INVERTER Unit A

17 RUNTKA245WJZZ BG N J INVERTER Unit B

18 PSPAZB030WJKZ AB N J Inverter Spacer, x9

19 RCORFA061WJZZ AG N J Core, x2

20 PTPEZA018WJZZ AD N J PET Tape, x2

21 PZETE3914TPZZ AD N J Tape, x2

22 PZETE3915TPZZ AB N J Tape

23 PSHEP2529TPZZ AB N J Conductive Tape, x4

24 PSHEP2583TPZZ AC N J Conductive Tape

LC-37D90U

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

TQ2192-S YT. DS

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