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Sharp LC-26GD6U 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-26GD4U and is equipped with a redesigned speaker. This Service Manual
covers the modifications alone. For the other points, refer to the LC-26GD4U Service Manual.
» LIST OF CHANGED PARTS ...........................................................................................................................2
» IMPORTANT SERVICE SAFETY PRECAUTION ........................................................................................ 3
» SPECIFICATIONS........................................................................................................................................6
» OPERATION MANUAL ................................................................................................................................7
» DIMENSIONS ............................................................................................................................................13
» REMOVING OF MAJOR PARTS ................................................................................................................14
» DESCRIPTION OF SCHEMATIC DIAGRAM .............................................................................................18
» SCHEMATIC DIAGRAM .............................................................................................................................19
» PARTS LIST ...............................................................................................................................................21
» PACKING OF THE SET .............................................................................................................................25
SHARP CORPORATION

SERVICE MANUAL

LCD COLOR TELEVISION

LC-26GD6U
MODEL
OUTLINE
CONTENTS
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
LC-26GD6U
S84Y8LC26GD6U
Page

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Summary of Contents for Sharp LC-26GD6U

  • Page 1: Table Of Contents

    LC-26GD6U SERVICE MANUAL S84Y8LC26GD6U LCD COLOR TELEVISION LC-26GD6U 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.

  • Page 2: List Of Changed Parts

    LC-26GD6U LIST OF CHANGED PARTS Ref.No. Description LC-26GD4U LC-26GD6U Note PWB ASSEMBLIES DVI Unit DUNTKC267VJ25 DUNTKC267VJ25 No parts changed LCD CONTROL Unit DUNTKC268VJ29 DUNTKC268VJ27 Two Parts changed DIGITAL Unit DKEYDC307VJ18 DKEYDC307VJ17 No parts changed PC CARD Unit DUNTKC544VJ03 No parts changed...

  • Page 3: Important Service Safety Precaution

    LC-26GD6U 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,...
  • Page 4 LC-26GD6U 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. conduite électrique ou une prise de terre branchée à...
  • Page 5 LC-26GD6U 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 6: Specifications

    ( × 2), RF cable ( × 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 deviations from these values in individual units.

  • Page 7: Operation Manual

    LC-26GD6U OPERATION MANUAL...
  • Page 8 LC-26GD6U...
  • Page 9 LC-26GD6U...
  • Page 10 LC-26GD6U...
  • Page 11 LC-26GD6U...
  • Page 12 LC-26GD6U...

  • Page 13: Dimensions

    LC-26GD6U DIMENSIONS Unit: inch/(mm) (519) (69) (663) (568) (279) (100)

  • Page 14: Removing Of Major Parts

    LC-26GD6U REMOVING OF MAJOR PARTS Ë Ë Ë Ë Ë Display Remove the 4 lock screws from the stand. Detach the left, right and bottom terminal covers. Remove the 2 lock screws each from the bracket covers. Remove the 4 lock screws from the speaker.
  • Page 15 LC-26GD6U 11. Take out the main PWB, digital PWB and PC card PWB. 11-1.Remove the lock screw from the flap door and the 4 lock screws from the PWB shield. Then take out the PC card PWB. 11-2.Remove the 15 lock screws from the main PWB shield.
  • Page 16 LC-26GD6U 15. Remove the 7 lock screws from the AV PWB. 16. Remove the lock screw from the speaker connection terminal. 17. Remove the 6 lock screws from the LCD control PWB. 18. Remove the 5 lock screws from the power PWB.
  • Page 17 LC-26GD6U 28. Remove the 4 lock screws from the LCD panel unit. 29. Take out the sheet spacer, reflection/deflection sheet, prism sheet, diffusion sheet and diffusion plate. 30. Remove the 2 lock screws from the lamp holder (top). 31. Take the lamp unit out of the lamp clip.

  • Page 18: Description Of Schematic Diagram

    LC-26GD6U DESCRIPTION OF SCHEMATIC DIAGRAM VOLTAGE MEASUREMENT CONDITION: 1. When the exclusive-use AC adapter is used, the colour bar signal of colour bar generator for service is input to get the normal screen. When the audio is minimized, the voltage value is measured with the 20 kΩ/V tester.

  • Page 19: Schematic Diagram

    LC-26GD6U SCHEMATIC DIAGRAM Ë EXT, SP, TERMINAL Unit...
  • Page 20 LC-26GD6U - M E M O -...

  • Page 21: 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 22: Cabinet And Mechanical Parts

    LC-26GD6U CABINET AND MECHANICAL PARTS 11-4 11-1 11-3 10-4 11-4 10-1 10-2 10-5 11-3 10-3 10-4 6-3-14 6-3-9 6-3-10 6-3-10 6-3-13 6-3-9 6-3-9 6-3-8 6-3-12 6-3-7 6-3-11 6-3-12 6-3-4 6-3-10 6-2-1 6-2-2 6-3-3 6-3-12 6-3-5 6-12 6-10 6-2-1 6-2-2 6-13...
  • Page 23 – Cabinet A — 6-3-14 TCAUZA031WJZZ J Caution Card GCOVAA709WJSA J R/C LED Cover KLMP-A042WJZZ J Lamp Unit, x7 HBDGBA037WJSA J Badge, "SHARP" LX-BZA051WJFN J Screw, x4 PCOVUA043WJZZ J Light Shielding Cover PCOVUA026WJZZ J Diffusion Panel PSPAHA323WJZZ J Mask Spacer, x2...

  • Page 24: Packing Parts

    LC-26GD6U Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET AND MECHANICAL PARTS PACKING PARTS (NOT REPLACEMENT ITEM) (Continued) DKEYDC307VJ17 J DIGITAL Unit SPAKCB611WJZZ – Packing Case — DUNTKC670UJ01 – AV Unit — SPAKCB616WJZZ – Packing Case(Bottom) —...

  • Page 25: Packing Of The Set

    LC-26GD6U PACKING OF THE SET Buffer Material(Top) (SPAKXA549WJZZ) Packing Case (SPAKCB611WJZZ) AC Cord (QACCDA019WJPZ) RF Cable (QCNW-A342WJZZ) Wrapping Paper Remote Control Unit (SPAKPA396WJZZ) (RRMCGA242WJSA) Questionnaire Card (TCADEA028WJN1) Wrapping Paper Operation Manual ( Stand Side) (TiNS-B240WJZZ) (SPAKPA391WJZZ) Packing Case (for Accessory)
  • Page 26 LC-26GD6U COPYRIGHT © 2004 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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