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Sharp LC-26D5U Service Manual

Lcd color television
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See also: Operating Manual
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-26/32/37D7U and is equipped with a redesigned speaker. This Service Manual
covers the modifications alone. For the other points, refer to the LC-26/32/37D7U Service Manual.
» LIST OF CHANGED PARTS ...........................................................................................................................2
» IMPORTANT SERVICE SAFETY PRECAUTION ........................................................................................ 5
» SPECIFICATIONS........................................................................................................................................8
» OPERATION MANUAL ................................................................................................................................9
» DIMENSIONS ............................................................................................................................................16
» REMOVING OF MAJOR PARTS ................................................................................................................18
» PARTS LIST ...............................................................................................................................................30
» PACKING OF THE SET .............................................................................................................................41
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.
S35H3LC-37D5U
LC-26D5U
LC-32D5U
LC-37D5U
LC-26D5U
LC-32D5U
LC-37D5U
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Summary of Contents for Sharp LC-26D5U

  • Page 1: Table Of Contents

    LC-26D5U LC-32D5U LC-37D5U SERVICE MANUAL S35H3LC-37D5U LCD COLOR TELEVISION LC-26D5U LC-32D5U LC-37D5U MODELS 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.

  • Page 2: List Of Changed Parts

    LC-26D5U LC-32D5U LC-37D5U LIST OF CHANGED PARTS LC-26D7U → LC-26D5U Ref.No. Description LC-26D7U LC-26D5U Note PWB ASSEMBLIES AV Unit DUNTKC971WE01 DUNTKC971WE02 No parts changed AV Unit DUNTKD115WE01 DUNTKD115WE02 No parts changed KEY Unit DUNTKC972WE01 DUNTKC972WE02 No parts changed KEY Unit...
  • Page 3 LC-26D5U LC-32D5U LC-37D5U LIST OF CHANGED PARTS LC-32D7U → LC-32D5U Ref.No. Description LC-32D7U LC-32D5U Note PWB ASSEMBLIES AV Unit DUNTKC971WE01 DUNTKC971WE02 No parts changed AV Unit DUNTKD115WE01 DUNTKD115WE02 No parts changed KEY Unit DUNTKC972WE01 DUNTKC972WE02 No parts changed KEY Unit...
  • Page 4 LC-26D5U LC-32D5U LC-37D5U LIST OF CHANGED PARTS LC-37D7U → LC-37D5U Ref.No. Description LC-37D7U LC-37D5U Note PWB ASSEMBLIES AV Unit DUNTKC971WE01 DUNTKC971WE02 No parts changed AV Unit DUNTKD115WE01 DUNTKD115WE02 No parts changed KEY Unit DUNTKC972WE01 DUNTKC972WE02 No parts changed KEY Unit...

  • Page 5: Important Service Safety Precaution

    SAME TYPE FUSE. All checks must be repeated with the AC cord plug connection reversed. (If necessary, a nonpolarized LC-26D5U:F701, F702 (3.15A, 250V) adaptor plug must be used only for the purpose of LC-32D5U:F701, F702 (4A, 250V) completing these checks.) LC-37D5U:F701, F702 (5A, 250V) Any reading of 0.75 Vrms (this corresponds to 0.5...
  • Page 6 REMPLACER LE FUSIBLE (antenne, coffret métallique, tête des vis, arbres de LC-26D5U:F701, F702 (3.15A, 250V) commande et des boutons, écusson, etc.) et mesurer LC-32D5U:F701, F702 (4A, 250V) la chute de tension CA en-travers de la résistance.
  • Page 7 LC-26D5U LC-32D5U LC-37D5U 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.

  • Page 8: Specifications

    ( 2), Cable clamp ( 1), G-LINK cable ( 1), Cable tie ( 1) • 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-26D5U LC-32D5U LC-37D5U OPERATION MANUAL...
  • Page 10 LC-26D5U LC-32D5U LC-37D5U...
  • Page 11 LC-26D5U LC-32D5U LC-37D5U...
  • Page 12 LC-26D5U LC-32D5U LC-37D5U...
  • Page 13 LC-26D5U LC-32D5U LC-37D5U...
  • Page 14 LC-26D5U LC-32D5U LC-37D5U...
  • Page 15 LC-26D5U LC-32D5U LC-37D5U...

  • Page 16: Dimensions

    LC-26D5U LC-32D5U LC-37D5U DIMENSIONS (LC-26D5U) LC-26D5U Unit: inch/(mm) 560) 848) 54)4 114) 567.9) 268) 100)
  • Page 17 LC-26D5U LC-32D5U LC-37D5U DIMENSIONS (LC-32/37D5U) LC-37D5U Unit: inch/(mm) 671) 1105) 105) 4 114) 822.6) 306) 200) LC-32D5U 632) 980) 90) 4 114) 700.4) 289) 200)

  • Page 18: Removing Of Major Parts

    3. Detach the SD Card Cover and PC Card Cover.3 4. Remove the 17 lock screws 4 from the Rear Cabinet, and detach the Rear Cabinet. (only for LC-26D5U) 4. Remove the 25 lock screws 4 from the Rear Cabinet, and detach the Rear Cabinet. (only for LC-32D5U)
  • Page 19 LC-26D5U LC-32D5U LC-37D5U 5. Remove the 4 (LC-26D5U) / 7 (LC-32D5U) lock screws 5 and detach the Center Angle. 6. Remove the KEY PWB. 6-1. Remove the 2 lock screws 6 from the Top Control Cover. 6-2. Remove the 3 lock screws 7 from the KEY PWB.
  • Page 20 LC-26D5U LC-32D5U LC-37D5U 9. Disconnect all the connectors from all the PWBs. CN7601 SC4651 P7705 SC4652 P7704 CN7602 P2004 P2006 P2003 SC4601 CN7503 P7707 P1802 SC3200 CN7603 CN7504 CN703 CN706 CN7501 P1105 P5703 P3804 CN704 CN7604 CN7505 P8301 SC2101 P2501...
  • Page 21 14. Remove the 6 lock screws r. Detach the Main PWB and Main Shield C. 15. Remove the AV PWB. 15-1. Remove the 3 lock screws t, 2 screws y, 2 screws u(LC-26D5U only) and detach the AV PWB. 15-2. Remove the 1 lock screw i and detach the Jack Cover B.
  • Page 22 20. Remove the 2 lock screws 24 and detach the R/C LED PWB. 21. Remove the 4 (LC-26D5U) / 5 (LC-32D5U) lock screws 25 and detach the Fixing Angle. 22. Remove the 2 lock screws 26 (LC-32D5U only) and detach the LCD Panel Ass'y.
  • Page 23 Detach the sheet spacer-S and sheet spacer-L (LC-32D5U). 25. Detach the Diffusion and Reflection/Deflection Sheets and Diffusion Panel. 26. Remove the 2 (LC-26D5U) / 6 (LC-32D5U) lock screws 28 from the Lamp Holder Ass'y (top), and detach the Lamp Holer (top).
  • Page 24 LC-26D5U LC-32D5U LC-37D5U REMOVING OF LCD PANEL UNIT (LC-37D5U) 1. Remove the four lock screws 1 from the stand, and detach the stand. 2. Detach the Terminal Cover.2 3. Detach the SD Card Cover and PC Card Cover.3 4. Remove the 31 lock screws 4 from the Rear Cabinet, and detach the Rear Cabinet.
  • Page 25 LC-26D5U LC-32D5U LC-37D5U 5. Remove the 7 lock screws 5 and detach the Center Angle. 6. Remove the KEY PWB. 6-1. Remove the 2 lock screws 6 from the Top Control Cover. 6-2. Remove the 3 lock screws 7 from the KEY PWB.
  • Page 26 LC-26D5U LC-32D5U LC-37D5U 9. Disconnect all the connectors from all the PWBs. (SC4651) (CN7404) (CN7542) (SC4652) (P7705) (P7704) (SC4601) (P7707) (P2004) (CN7405) (CN7543) (CN7501) (CN704) (CN7541) (P3804) (P2006) (P2003) (P1105) (CN7406) (CN7544) (P1802) (P5703) (SC3200) (CN703) (CN706) (P2501) (P3805) (CN7407)
  • Page 27 LC-26D5U LC-32D5U LC-37D5U 14. Remove the 6 lock screws r. Detach the Main PWB and Main Shield C. 15. Remove the AV PWB. 15-1. Remove the 3 lock screws t, 2 screws y, and detach the AV PWB. 15-2. Remove the 1 lock screw i and detach the Jack Cover B.
  • Page 28 LC-26D5U LC-32D5U LC-37D5U 17. Remove the 6 lock screws a and detach the Power PWB. 18. Remove the 6 lock screws s. Detach the INVERTER-GND A and INVERTER-GND B PWB. 19. Remove the 8 lock screws d. Detach the INVERTER A and INVERTER B PWB.
  • Page 29 LC-26D5U LC-32D5U LC-37D5U 22. Remove the 4 lock screws 26 from the 37" LCD Panel Unit, and detach the 37" LCD Panel Unit. 23. Detach the sheet spacer 1 and sheet spacer 2. 24. Detach the Diffusion and Reflection/Deflection Sheets and Diffusion Panel.

  • Page 30: Parts List

    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 31: Cabinet And Mechanical Parts

    X Front Cabinet Ass’y LHLDWA058WJKZ X Wire Holder, x2 Not Available – Front Cabinet — LHLDWA080WJKZ X Wire Holder HBDGBA015WJSA X Badge, SHARP LHLDWA096WJKZ X Edge Saddle LX-BZ3442CEF9 X Screw, x4 HDECQA346WJSA J R/C, LED Decoration Cover AE PCLiCA001WJKZ X Rivet...
  • Page 32 LC-26D5U LC-32D5U LC-37D5U Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET AND MECHANICAL PARTS (LC-26D5U)(Continued) QEARPA171WJFW X Earth Spring B QEARPA172WJFW X Earth Spring C QPWBMC494WJPZ X FPC (80P)PNL-LCD, x2 XBBS930P06000 X Screw, x11 (AC-ANG_HDMI) AA...
  • Page 33 LC-26D5U LC-32D5U LC-37D5U CABINET AND MECHANICAL PARTS (LC-26D5U) 6-3-10 6-3-9 6-3-1 6-3-5 6-3-2 6-3-6 6-3-3 6-3-8 6-2-1 6-3-7 6-3-4 6-2-2 6-12 6-2-3 6-10 6-3-3 6-2-2 6-2-1 6-11 6-12 6-2-3 6-10...
  • Page 34 HiNDPB231WJSA X Model Label Not Available – Front Cabinet — LANGTA197WJZZ X Center Angle HBDGBA015WJSA X Badge, SHARP LHLDW1009CEZZ X Wire Holder LHLDWA043WJKZ X Wire Holder (MAIN Shield Side), x2 AB HDECQA346WJSA J R/C, LED Decoration Cover AE LHLDWA058WJKZ X Wire Holder (MAIN Shield Top), x2 AC...
  • Page 35 LC-26D5U LC-32D5U LC-37D5U Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET AND MECHANICAL PARTS (LC-32D5U)(Continued) XBPS730P04WS0 X Screw, x8 (Inv_6 SP_4 Cov_2) AA XBPS730P08WS0 X Screw, x42 (PWB/SP BRKT/SLD) AA XEBS930P08000 X Screw, x7 (For Terminal)
  • Page 36 LC-26D5U LC-32D5U LC-37D5U CABINET AND MECHANICAL PARTS (LC-32D5U) 6-3-2 6-3-10 6-3-7 6-3-5 6-3-12 6-3-14 6-3-1 6-3-8 6-3-13 6-3-11 6-3-3 6-3-6 6-3-9 6-3-4 6-2-1 6-3-14 6-11 6-3-6 6-2-3 6-10 6-2-2 6-2-1 6-11 6-2-3 6-2-2 6-10 29 30...
  • Page 37 PCOVUA056WJZZ X LED Shading Cover Not Available – Front Cabinet — PMLT-A141WJZZ X Gasket, x2 HBDGB3142CESB X Badge, SHARP PMLT-A191WJZZ X Gasket (Main Shield), x2 PMLT-A196WJZZ X Gasket (DIGI TOP) HDECQA346WJSA J R/C LED Cover PMLT-A197WJZZ X Gasket (on DVI)
  • Page 38 LC-26D5U LC-32D5U LC-37D5U Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET AND MECHANICAL PARTS (LC-37D5U)(Continued) XBPS730P04WS0 X Screw for EAR-PWB/FRM, x8 AA XBPS730P08WS0 X Screw for PWB/SP BRKT, x42 AA XEBS930P08000 X Screw for Terminal, x7...

  • Page 39: W W Z M Nx

    LC-26D5U LC-32D5U LC-37D5U CABINET AND MECHANICAL PARTS (LC-37D5U) 6-2-3 6-2-8 6-2-1 6-2-9 6-2-4 6-2-2 6-2-6 6-2-8 6-2-10 6-2-5 6-2-6 6-2-7 6-10 6-11 6-2-4 6-11 6-10...

  • Page 40: Packing Parts

    LC-26D5U LC-32D5U LC-37D5U Ref. No. Part No. Description Code Ref. No. Part No. Description Code PACKING PARTS SUPPLIED ACCESSORIES (NOT REPLACEMENT ITEM) (LC-26D5U) å QACCDA039WJPZ X Ac Cord SPAKCB790WJZZ – Packing Case — RRMCGA362WJSA X Remote Control Unit SPAKFA806WJZZ – Stand Pad —...

  • Page 41: Packing Of The Set

    LC-26D5U LC-32D5U LC-37D5U PACKING OF THE SET (LC-26D5U)
  • Page 42 LC-26D5U LC-32D5U LC-37D5U PACKING OF THE SET (LC-32/37D5U)
  • Page 43 LC-26D5U LC-32D5U LC-37D5U...
  • Page 44 LC-26D5U LC-32D5U LC-37D5U 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.

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