Sharp LC-C3742U Service Manual Download

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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

TQ2186-S YT. DS

Summary of Contents for LC-C3742U

Page 1: ... performance of the set TopPage CONTENTS No SX6Y7LCC3742U LC C3742U MODEL LCD COLOR TELEVISION 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 OUTLINE This model is based on the LC 37D42U and is changed some parts This Service Manual covers the modificati...

Page 2: ...escription LC 37D42U LC C3742U Note PWB ASSEMBLIES MAIN Unit DUNTKD862FM04 R C LED Unit DUNTKD909FM02 KEY Unit DUNTKD910FM02 AV TERMINAL Unit DUNTKD999FM04 POWER Unit RDENCA198WJQZ CABINET AND MECHANICAL PARTS Please refer to a Parts list PACKING PARTS AND ACCESSORIES Please refer to a Parts list ...

Page 3: ...C 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 0 75 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 SAFETY N...

Page 4: ... et de compartiment les réseaux de résistancecapacité les isolateurs mécaniques etc S assurer qu il n y ait pas de danger d électrocution en vérifiant la fuite de courant de la facon suivante Brancher le cordon d alimentation directem ent à une prise de cou rant de 120V Ne pas utiliser de transformateur d isolation pour cet essai A l aide de deux fils à pinces brancher une résistance de 1 5 kΩ 10 ...

Page 5: ...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...

Page 6: ...ection management measures 1 When disposing of the component parts and PWBs destruct the IC itself in a proper way For repairing or replacing the component parts and PWBs as well as clearing those in stock 2 In storing the component parts protect and manage them against theft and disclosure For storing the service parts service units etc Applied part HDCP KEY ROM IC8451 RH IXB979WJQZY updated ROM ...

Page 7: ... 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 C3742U Note The reference numbers on the PWB are arranged in alphabetical order No SX6Y7LCC3742U LC C3742U MODEL PartsGuide 1 CABINET AND MECHANICAL PARTS 2 SUPPLIED ACCESSORIES 3 PACKING PARTS NOT REPLACEMENT ITEM 4 SERVICE JIGS USE FOR SERVICING ...

Page 8: ... 9 1 10 1 10 1 10 2 2 1 2 5 2 2 2 3 3 3 1 3 2 KEY Unit 4 5 5 1 7 36 36 7 1 9 11 12 13 14 14 47 41 41 41 41 47 48 36 36 36 36 36 49 50 50 1 50 2 31 17 18 19 20 21 23 24 25 26 39 27 28 29 R C LED Unit 30 32 33 39 42 35 40 35 46 34 34 34 34 46 34 40 36 36 36 36 POWER Unit MAIN Unit AV TERMINAL Unit 2 4 2 4 2 4 2 4 5 2 5 2 5 2 7 2 7 4 7 2 7 2 7 3 44 45 45 ...

Page 9: ... Fix Angle 13 LANGKA914WJFW AL X Stand Assist Angle 14 LX HZA003WJFN AC J Screw for SP BOX x4 15 LX NZ3047GEZZ AA J Nut 16 NSFTZ0134CEFW AD J Shaft x2 17 PCLICA004WJKZ AC J Rivet x3 18 PRDARA414WJFW AK X Heat Sink 19 PSPAZA635WJKZ AC J Cool Sheet 20 PSPAZA917WJKZ AH J Cool Sheet 21 PSPAZB030WJKZ AB J Spacer 22 QCNCWA496WJZZ AK X Connector F RCA 23 QCNW E249WJPZ AH J Connecting Cord ANT IN 24 QCNW ...

Page 10: ...J AC Cord X4 RRMCGA535WJSA AY X Remote Control Unit X5 TINS C960WJZZ AM N X Operation Manual X6 Not Available AAA Size Battery X7 TGAN A768WJZZ AD X Guarantee Card X8 TCAUHA263WJZZ AD N X Quick Set Up User Guide X9 CDAI A337WJ04 BQ N X Stand Unit X9 1 UKOGLA001WJZZ AK X Tool for Stand Operation Manual AAA Size Battery Remote Control Unit X4 Cable Clamp X2 Cable Band X1 AC Cord X3 X5 X6 X9 X9 1 Sta...

Page 11: ...LC C3742U 5 3 PACKING PARTS NOT REPLACEMENT ITEM S3 S2 S4 S7 S11 S1 S7 S7 S8 S9 S7 S5 S6 S10 ...

Page 12: ...ag S9 SSAKAA032WJZZ Polyethylene Bag S10 SSAKHA020WJZZ Polyethylene Bag for Screw S11 TLABKA009WJZZ No Label 4 SERVICE JIGS USE FOR SERVICING N QCNW D483WJQZ AX J Connecting Cord PE PA 12pin 100cm MAIN to POWER Unit N QCNW E068WJQZ AS J Connecting Cord PD MI 6pin 100cm MAIN to POWER Unit N QCNW F304WJQZ AV J Connecting Cord LA LB 4p 8p 130cm MAIN to INVERTER Unit Connecting Cord LA 10p 14p 100cm P...

Page 13: ...tored 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 COPYRIGHT XXXX BYSHARP CORPORATION ALL RIGHTS RESERVED MEMO LC C3742U ...

Page 14: ...an TQ2101 S MI KD COPYRIGHT 2007 BY SHARP CORPORATION ALL RIGHTS RESERVED 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 LC C3742U ...

Page 15: ...ange 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 SX6Y9LC3...

Page 16: ...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 g...

Page 17: ...pecified 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 ...

Page 18: ...LC 37D42U LC 37D43U LC C3742U 2 1 LCD MODULE Assembly 1 9 18 13 11 16 17 10 19 21 30 20 25 23 31 22 30 30 30 29 27 27 27 27 28 3 2 4 5 7 8 4 26 6 24 12 15 14 14 ...

Page 19: ...JKZ AF N J Lamp Holder Bottom x2 13 LHLDZA709WJKZ AC N J Sheet Holder x6 14 LHLDZA713WJKZ AC N J Sheet Clip x6 15 LHLDZA702WJKZ AC N J Lamp clip x6 16 PREFL2378TPNZ N J Reflection Mirror 17 CCHSMA280WJ01 N J Chassis 18 PZETKA174WJKZ AL N J Insulation Sheet 19 RUNTKA216WJZZ BM N J INVERTER Unit A 20 RUNTKA217WJZZ BG N J INVERTER Unit B 21 PSLDMA892WJFW N J Shield Plate for Inverter 22 CPWBX3508TPZQ...

Page 20: ...blication 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 TQ2186 S YT DS ...

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