Sharp 37D6U - LC - 37" LCD TV Service Manual
Sharp 37D6U - LC - 37" LCD TV Service Manual

Sharp 37D6U - LC - 37" LCD TV Service Manual

Lcd color television
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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.
This model is based on the LC-26/32/37D4U and is equipped with a redesigned speaker. This Service Manual
covers the modifications alone. For the other points, refer to the LC-26/32/37D4U Service Manual.
» LIST OF CHANGED PARTS ...........................................................................................................................2
» IMPORTANT SERVICE SAFETY PRECAUTION ........................................................................................ 5
» SPECIFICATIONS........................................................................................................................................8
» OPERATION MANUAL ................................................................................................................................9
» DIMENSIONS ............................................................................................................................................15
» REMOVING OF MAJOR PARTS ................................................................................................................18
» OVERALL WIRING DIAGRAM ...................................................................................................................22
» DESCRIPTION OF SCHEMATIC DIAGRAM .............................................................................................24
» SCHEMATIC DIAGRAM .............................................................................................................................25
» PRINTED WIRING BOARD ASSEMBLIES................................................................................................26
» PARTS LIST ...............................................................................................................................................27
» PACKING OF THE SET .............................................................................................................................35
SHARP CORPORATION

SERVICE MANUAL

LCD COLOR TELEVISION

MODELS
OUTLINE
CONTENTS
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
S95N8LC-37D6U
LC-26D6U
LC-32D6U
LC-37D6U
LC-26D6U
LC-32D6U
LC-37D6U
Page

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Table of Contents
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Summary of Contents for Sharp 37D6U - LC - 37" LCD TV

  • Page 1: Table Of Contents

    » SCHEMATIC DIAGRAM ..........................25 » PRINTED WIRING BOARD ASSEMBLIES....................26 » PARTS LIST ...............................27 » PACKING OF THE SET ..........................35 This document has been published to be used for SHARP CORPORATION after sales service only. The contents are subject to change without notice.
  • Page 2: List Of Changed Parts

    LC-26D6U LC-32D6U LC-37D6U LIST OF CHANGED PARTS LC-26D4U LC-26D6U Ref.No. Description LC-26D4U LC-26D6U Note PWB ASSEMBLIES DIGITAL Unit DUNTKD331FE12 DUNTKD331FE08 No parts changed AV Unit DUNTKD352DE17 DUNTKD352WE04 No parts changed KEY Unit DUNTKD353DE17 DUNTKD353WE01 No parts changed R/C, LED Unit DUNTKD354DE17 DUNTKD354WE02 No parts changed...
  • Page 3 LC-26D6U LC-32D6U LC-37D6U LIST OF CHANGED PARTS LC-32D4U LC-32D6U Ref.No. Description LC-32D4U LC-32D6U Note PWB ASSEMBLIES DIGITAL Unit DUNTKD331FE13 DUNTKD331FE10 No parts changed AV Unit DUNTKD352DE18 DUNTKD352WE05 No parts changed KEY Unit DUNTKD353DE18 DUNTKD353WE01 No parts changed R/C, LED Unit DUNTKD354DE18 DUNTKD354WE02 No parts changed...
  • Page 4 LC-26D6U LC-32D6U LC-37D6U LIST OF CHANGED PARTS LC-37D4U LC-37D6U Ref.No. Description LC-37D4U LC-37D6U Note PWB ASSEMBLIES DIGITAL Unit DUNTKD331FE14 DUNTKD331FE11 No parts changed AV Unit DUNTKD352DE19 DUNTKD352WE06 No parts changed KEY Unit DUNTKD353DE19 DUNTKD353WE01 No parts changed R/C, LED Unit DUNTKD354DE19 DUNTKD354WE02 No parts changed...
  • Page 5: Important Service Safety Precaution

    LC-26D6U LC-32D6U LC-37D6U IMPORTANT SERVICE SAFETY PRECAUTION Ë Service work should be performed only by qualified service technicians who are thor- oughly familiar with all safety checks and the servicing guidelines which follow: » Use an AC voltmeter having with 5000 ohm per volt, WARNING or higher, sensitivity or measure the AC voltage drop 1.
  • Page 6 LC-26D6U LC-32D6U LC-37D6U PRECAUTIONS A PRENDRE LORS DE LA REPARATION Ë Ne peut effectuer la réparation qu' un technicien spécialisé qui s'est parfaitement accoutumé à toute vérification de sécurité et aux conseils suivants. AVERTISSEMENT de 0.15µF en série avec toutes les pièces métalliques exposées du coffret et une terre connue comme une 1.
  • Page 7 LC-26D6U LC-32D6U LC-37D6U Precautions for using lead-free solder 1 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: Indicates lead-free solder of tin, silver and copper.
  • Page 8: Specifications

    + 32 F to + 104 F (0 C to + 40 C) As 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...
  • Page 9: Operation Manual

    LC-26D6U LC-32D6U LC-37D6U OPERATION MANUAL...
  • Page 10 LC-26D6U LC-32D6U LC-37D6U...
  • Page 11 LC-26D6U LC-32D6U LC-37D6U...
  • Page 12 LC-26D6U LC-32D6U LC-37D6U...
  • Page 13 LC-26D6U LC-32D6U LC-37D6U...
  • Page 14 LC-26D6U LC-32D6U LC-37D6U...
  • Page 15: Dimensions

    LC-26D6U LC-32D6U LC-37D6U DIMENSIONS (LC-26D6U) LC-26D6U Unit: inch/(mm) 560) 155) 108) 674) (567.9) 100) 114) 268)
  • Page 16 LC-26D6U LC-32D6U LC-37D6U DIMENSIONS (LC-32D6U) LC-32D6U Unit: inch/(mm) 631) 108) 807) 700.4) 200) 114) 289)
  • Page 17 LC-26D6U LC-32D6U LC-37D6U DIMENSIONS (LC-37D6U) LC-37D6U Unit: inch/(mm) 671) 111) 108) 929) 822.6) 200) 114) 306)
  • Page 18: Removing Of Major Parts

    LC-26D6U LC-32D6U LC-37D6U REMOVING OF MAJOR PARTS 1. Remove the AC Cover and Jack Cover 1. 2. Detach the SD Card Cover and PC Card Cover 2. 3. Remove the 1 lock screw 3 and detach the Bracket Cover (LC-32/37D6U only). 4.
  • Page 19 LC-26D6U LC-32D6U LC-37D6U 7. Remove the 4 (LC-26D6U) / 7 (LC-32/37D6U) lock screws 0 and detach the Center Angle. 8. Detach the LCD Control Shield q. 9. Remove the 5 lock screws w and detach the Main Shield A. Center Angle Main Shield A LC-26D6U LC-32/37D6U...
  • Page 20 LC-26D6U LC-32D6U LC-37D6U 11. Remove the 4 lock screws e and FFC. Detach the Main Shield B and Digital PWB. 12. Remove the 4 lock screws r and detach the Digital PWB. 13. Remove the 2 lock screws t and detach the Jack Cover C. 14.
  • Page 21 LC-26D6U LC-32D6U LC-37D6U 19. Remove the 2 lock screws g and detach the SP (R) PWB. 20. Remove the 4 (LC-26D6U) / 3 (LC-32/37D6U) lock screws h and detach the Speaker Brackt (R). 21. Remove the 2 lock screws j and detach the SP (L) PWB. 22.
  • Page 22: Overall Wiring Diagram

    LC-26D6U LC-26D6U LC-32D6U LC-32D6U LC-37D6U LC-37D6U OVERALL WIRING DIAGRAM...
  • Page 23: Description Of Schematic Diagram

    LC-26D6U LC-32D6U LC-37D6U DESCRIPTION OF SCHEMATIC DIAGRAM VOLTAGE MEASUREMENT CONDITION: The voltages at test points are measured on exclusive AC adaptor and the stable supply voltage of AC 120V. Signals are fed by a color bar signal generator for servicing purpose and the above voltages are measured with a 20k ohm/V tester.
  • Page 24: Schematic Diagram

    LC-26D6U LC-32D6U LC-37D6U SCHEMATIC DIAGRAM Ë SP(L) Terminal Unit Ë SP(R) Terminal Unit...
  • Page 25: Printed Wiring Board Assemblies

    LC-26D6U LC-32D6U LC-37D6U PRINTED WIRING BOARD ASSEMBLIES LUG204 P204 SP(L) Terminal Unit SP(L) Terminal Unit (Component Parts Side-A) (Chip Parts Side-A) C211 TL212 D208 TL210 C210 FB207 TL208 FB208 TL209 TL211 C212 D207 SP(L) Terminal Unit SP(L) Terminal Unit (Component Parts Side-B) (Chip Parts Side-B) LUG203 P203...
  • Page 26: Printed Wiring Board Assemblies

    USA: Contact your nearest SHARP Parts Distributor to order. 3. NO. DE PIECE 4. DESCRIPTION For location of SHARP Parts Distributor, Please call Toll- in CANADA: Contact SHARP Electronics of Canada Limited Free; 1-800-BE-SHARP Phone (416) 890-2100 MARK: SPARE PARTS-DELIVERY SECTION Ref.
  • Page 27: Cabinet And Mechanical Parts

    X MAIN Shield A Not Availabl e – Front Cabinet — PSLDMA778WJZZ X MAIN Shield B Not Availabl e – Badge, SHARP — PSLDMA779WJFW X MAIN Shield C PSLDMA836WJFW X CON Shield PSPAHA323WJZZ X Mask Spacer, x2 PSPAZA917WJKZ X Heat Sink (For IC8101)
  • Page 28 LC-26D6U LC-32D6U LC-37D6U CABINET AND MECHANICAL PARTS (LC-26D6U) 66-1 66-2 4-2-1 4-2-2 4-2-6 4-2-7 4-2-3 4-2-5 4-2-4 4-1-1 4-1-2 4-1-3 4-1-3 4-1-4 4-1-4 4-1-3 4-1-3...
  • Page 29 X Heat Sink (For IC2502) Not Available – Front Cabinet — PSPAZA636WJKZ X Heat Sink (For IC3800) Not Available – Badge, SHARP — PSPAZA646WJKZ X Heat Sink (For IC8601) PSPAZA660WJKZ X Heat Sink (For IC9606) PSPAHA298WJZZ X Mask Spacer, x2...
  • Page 30 LC-26D6U LC-32D6U LC-37D6U CABINET AND MECHANICAL PARTS (LC-32D6U) 64-2 64-1 4-1-3 4-1-2 4-1-1 4-2-1 4-2-2 4-2-3 4-2-5 4-2-4 4-2-4 4-2-3 4-2-5...
  • Page 31 X Front Cabinet Ass'y PMLT-A256WJZZ X Gasket, x3 (10x5.5x100) Not Available – Front Cabinet — PMLT-A257WJZZ X Gasket, x2 (5x2x70) Not Available – Badge, SHARP — PMLT-A261WJZZ X Gasket (10x5.5x15) PMLT-A262WJZZ X Gasket (10x1x20) PSPAHA412WJZZ X Mask Spacer, x2 PMLT-A263WJZZ...
  • Page 32 LC-26D6U LC-32D6U LC-37D6U CABINET AND MECHANICAL PARTS (LC-37D6U) 83-2 83-1 4-1-3 4-1-2 4-1-1 4-2-1 4-2-2 4-2-3 4-2-5 4-2-4 4-2-3 4-2-4 4-2-5...
  • Page 33: Supplied Accessories

    LC-26D6U LC-32D6U LC-37D6U Ref. No. Part No. Description Code Ref. No. Part No. Description Code PACKING PARTS SUPPLIED ACCESSORIES (NOT REPLACEMENT ITEM) (LC-26D6U) å QACCDA039WJPZ X Ac Cord SPAKCC140WJZZ – Packing Case — RRMCGA415WJSA X Remote Control Unit SPAKFA634WJZZ – Accessories Case —...
  • Page 34: Packing Of The Set

    LC-26D6U LC-32D6U LC-37D6U PACKING OF THE SET Not Replacement item...
  • Page 35 LC-26D6U LC-32D6U LC-37D6U COPYRIGHT © 2005 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.

This manual is also suitable for:

Lc-26d6uLc-32d6uLc-37d6u

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