Sharp lc 42d62u schematic

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TopPage
LC-42D62U
SERVICE MANUAL
No. S57K2LC42D62U
SUPPLEMENT
LCD COLOR TELEVISION
MODEL
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-42D62U
OUTLINE
In this Service Manual, only parts in the LCD module are shown. For the other points, refer to the LC-42D62U (S86V9LC42D62U) Service Manual. New panel modules are incorporated in LC-42D62U with the Serial No.****51112~
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
LC-42D62U LC-42D62U
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.
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LC-42D62U
LC-42D62U
OUTLINE AND ADJUSTMENT
Service Manual
[1] Outline
In this Service Manual, only parts in the LCD module are shown. For the other points, refer to the LC-42D62U (S86V9LC42D62U) Service Manual.
New panel modules are incorporated in LC-42D62U with the Serial No.****51112~
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
LC-42D62U LC-42D62U
No Mark
A
[2] Adjustment
When replacing the LCD control PCB, follow these steps to adjust VCOM.
1) Enter the adjustment process mode.
2) Select the item [VCOM ADJ] on the page 3/26 using the CH ( )/( ) keys on the remote controller.
3) Press the Enter key to check that the adjustment pattern is displayed.
4) Adjust the flicker in the middle of the screen to minimum using the VOL (+)/(-) keys on the remote controller.
5) Press the Enter key to turn off the pattern.
6) To exit the adjustment process mode after the adjustment is done, unplug the AC cord from the outlet to make a forced shutdown. (When the power was turned off with the remote controller, once unplug the AC cord and plug it again. In this case, wait 10 seconds or so before plugging.)
CAUTION: Use due care in handling the information described here lest your users should know how to enter the adjustment process mode.
Description of display
If the settings are tampered in this mode, unrecoverable system damage may result.
(3) Current selected input
(1) Current page/ (5) Destination
Total pages
(2) Current page title
1/26 [INFO] INPUT5 AUTO USA 42_UNDER
MAIN Version 0.90 ( U 2006/11/21 1A)
(4) Current color system
(6) LCD Panel size/Speaker type
(7) Adjustment
process menu header
BOOT Version SACRB 1.01
Monitor Version 0.9
EQ DATA CHECKSUM ROM (8) Parameters
TEMPAERATURE 7B
LAMP ERROR 0
NORMAL STANDBY CAUSE
ERROR STANDBY CAUSE 1) 0 2) 0 3) 0
0
0H 0M 0H 0M 0H 0M
4) 0 5) 0 0H 0M 0H 0M
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PartsGuide
LC-42D62U
PARTS GUIDE
LCD COLOR TELEVISION
[1] LCD MODULE Assembly
MODEL
CONTENTS
LC-42D62U
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.
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LC-42D62U
[1] LCD MODULE Assembly
1
12
21
14
23-13
23-14
23-15
23-20
23-19
6
23-13
23-20
23-17
8
15
23-16
16
23-20
13
23-18
22
23-20
23-12
23-11
23-2
23-1
23-5
23-12
23-3
23-6
23-3
23-6
23-4
23-5
23-2
23-2
23-3
23-3
23-6
23-7
10
11
20
11
11
11
17
9
8
18
19
7
2
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LC-42D62U
NO. PARTS CODE
PRICE
RANK
NEW
MARK
PAR T
DELIVERY
[1] LCD MODULE Assembly
1 R1LK420D3LZ10W FG N J LCD Module Ass'y 6 CHLDZ3423TPX1 N J Frame Ass'y 7 CHLDZ3424TPX1 N J Frame Ass'y 8 LHLDZ3350TPXZ N J Clip, x6
9 LHLDZ3363TPXZ N J Clip 10 LX-HZ2076TPZZ N J Screw, x10 11 LX-BZ2146TPZZ N J Screw, x8 12 QPWBM0327TPZZ AG N J CS-FPC, x2 13 CPWBX3520TPXD N J LCD CONTROL Unit 14 LANGTA395WJTW N J Cover (LCD Control Unit) 15 LANGTA396WJT1 N J Cover Ass'y (LCD Control Unit) 16 PSPAZA751WJKZ AC N J Radiation sheet 17 PCOVUA098WJN1 BB N J Diffusion Panel 18 PSHEPA480WJN1 AX N J Reflection Sheet, x2 19 PSHEPA479WJN1 BT N J Optical Sheet 20 LX-BZ2301TPZZ N J Screw, x10 21 XBPS730P06WS0 AA J Screw, x5 22 RCORFA061WJZZ AG N J Core, x2
23-1 CANGK3719TP02 N J Back Light Angle Ass'y 23-2 LHLDZA786WJKZ N J Lamp clip, x4 23-3 LHLDZA800WJKZ N J Lamp clip, x4 23-4 LHLDZ3425TPZZ N J Lamp clip, x6 23-5 LHLDZ3426TPZZ N J Lamp clip, x4 23-6 LHLDZ3427TPZZ N J Lamp clip, x4
23-7 PMiR-A119WJZZ N J Reflection Sheet 23-11 CLMP-A130WJ01 N J Lamp Unit Ass'y, x11 23-12 LHLDZ3422TPZZ AN N J Lamp Holder, x2 23-13 PSPAZB030WJKZ AB N J Inverter Spacer, x13 23-14 RUNTKA271WJTZ BK N J INVERTER Unit A 23-15 RUNTKA272WJTZ BD N J INVERTER Unit B 23-16 RUNTKA273WJTZ AR N J INVERTER Unit C 23-17 RUNTKA274WJTZ AP N J INVERTER Unit D 23-18 LANGK3720TPZZ AN N J Inverter Cover A 23-19 LANGK3721TPZZ AQ N J 23-20 XBPS730P06WS0 AA J Screw, x15
Inverter Cover B
DESCRIPTION
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LC-42D62U
COPYRIGHT © 2007 BY SHARP CORPORATION
2007
ALL RIGHTS RESERVED.
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.
TQ2197-S YT. DS
SHARP CORPORATION AV Systems Group CS Promotion Center Yaita,Tochigi 329-2193, Japan
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