Sharp LC-C6554U Service Manual
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Sharp LC-C6554U Service Manual

Lcd color television
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This model is based on the LC-65D64U and is changed some parts. This Service Manual covers the modifications
alone. For the other points, refer to the LC-65D64U (Revised Edition) (No. SY7C3LC65D64U) Service Manual.
LIST OF CHANGED PARTS ...................................... i
CHAPTER 1. SPECIFICATIONS
[1]
SPECIFICATIONS .................................................1-1
[1]
OPERATION MANUAL ..........................................2-1
[1]
DIMENSIONS ........................................................3-1
[1]
REMOVING OF MAJOR PARTS ...........................4-1
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.

SERVICE MANUAL

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.
OUTLINE
CONTENTS
No. S38I1LCC6554U

LCD COLOR TELEVISION

LC-C6554U
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
LC-C6554U

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Summary of Contents for Sharp LC-C6554U

  • Page 1: Table Of Contents

    Parts Guide 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.

  • Page 2: Outline And Differences From Base Model Outline

    Service Manual OUTLINE This model is based on the LC-65D64U and is changed some parts. This Service Manual covers the modifications alone. For the other points, refer to the LC-65D64U (Revised Edition) (No. SY7C3LC65D64U) Service Manual. LIST OF CHANGED PARTS...

  • Page 3: Safety Precaution Important Service Safety Precaution

    All checks must be repeated with the AC cord plug connection C A U T I O N : F O R C O N T I N U E D PROTECTION reversed. (If necessary, a nonpolarized adaptor plug must be used AGAINST A RISK OF FIRE REPLACE ONLY WITH only for the purpose of completing these checks.)

  • Page 4: Precautions A Prendre Lors De La Reparation

    LC-C6554U PRECAUTIONS A PRENDRE LORS DE LA REPARATION Ne peut effectuer la réparation qu' un technicien spécialisé qui s'est parfaitement accoutumé à toute vérification de sécurité et aux conseils suivants. • A l'aide de deux fils à pinces, brancher une résistance de 1.5 kΩ...

  • Page 5: Precautions For Using Lead-Free Solder

    PWB as soon as you confirm the steady soldering condition. Lead-free solder contains more tin, and the end of the soldering bit may be easily corroded. Make sure to turn on and off the power of the bit as required.

  • Page 6: Precautions In Servicing The Hdcp-Key Rom

    HDCP-KEY ROM IC8451 RH-IXC318WJQZY (updated ROM) The HDCP-KEY ROM shall be protected and managed for its information inside. In servicing this ROM, therefore, take the following information pro- tection/management measures. 1) When disposing of the component parts and PWBs, destruct the IC itself in a proper way.

  • Page 7: Specifications

    The dimensional drawings are shown on the inside back cover. 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.

  • Page 8: Chapter 2. Operation Manual

    LC-C6554U CHAPTER 2. LC-C6554U OPERATION MANUAL Service Manual [1] OPERATION MANUAL Part Names TV (Front) Remote control sensor OPC sensor OPC indicator SLEEP indicator POWER indicator TV (Rear/Side) POWER button MENU button RS-232C terminal INPUT button INPUT 3 terminals Channel buttons...
  • Page 9 5 seconds. This button is used for performing operations in low-light situations. 18 VIEW MODE: Select the screen size. 19 ENT: Jumps to a channel after selecting with the 0 _ 9 buttons. 20 FLASHBACK: Return to the previous channel or external input mode.
  • Page 10 Detach the cable clamp on the rear of the TV when using the optional mount bracket. To use this TV mounted on a wall, remove the covers at the 4 locations on the rear of the TV, and then use the screws supplied with the wall mount bracket to secure the bracket to the rear of the TV.
  • Page 11 This is not a malfunction, and the unit will recover when the temperature returns to normal. Do not leave the unit in a hot or cold location. Also, do not leave the unit in a location exposed to direct sunlight or near a heater, as this may cause the cabinet to deform and the Liquid Crystal panel to malfunction.
  • Page 12 LC-C6554U PC Compatibility Chart It is necessary to set the PC correctly to display XGA and WXGA signal. Resolution Horizontal Frequency Vertical Frequency VESA Standard 720 x 400 31.5 kHz 70 Hz 31.5 kHz 60 Hz 640 x 480 37.9 kHz 72 Hz 37.5 kHz...
  • Page 13 Program Title Display Favorite CH Game Play Time Operation Lock Out Digital Setup Menu Digital Setup Menu Audio Setup Software Update Identification Software Update Some menu items may not be displayed depending on the selected input source. 2 – 6...

  • Page 14: Chapter 3. Dimensions Dimensions

    LC-C6554U CHAPTER 3. LC-C6554U DIMENSIONS Service Manual [1] DIMENSIONS Unit: inch (mm) (1528) (1433.5) (780) (440) (153) (98) (403) 3 – 1...

  • Page 15: Chapter 4. Removing Of Major Parts

    1. Remove the 6 black sheets. 2. Remove the 20 lock screws, 2 lock flat head screws, 2 lock screws, 2 lock screws, 4 lock clips and detach the Rear Cabinet. 3. Remove the 4 lock screws and detach the Stand.
  • Page 16 LC-C6554U 4. Remove the 4 lock screws and detach the Control Shield. 5. Remove the 8 lock screws and detach the MAIN Shield. 6. Remove the 6 lock screws and detach the AV Shield. MAIN Shield Control Shield AV Shield...
  • Page 17 9. Remove the 2 lock screws, 3 lock screws and detach the Mini AV KEY Ass'y. 10.Remove the 2 lock screws, 2 lock screws and detach the Mini AV Shield, SIDE Unit, Mini AV KEY Cover from the Mini AV KEY Angle.
  • Page 18 12.Remove the 8 lock screws, 1 lock screw and detach the SUB POWER Unit. 13.Remove the 5 lock screws, 2 lock screws and detach the Tray Chassis, Terminal Bottom Angle. 14.Remove the 2 lock screws and detach the Barrier Sheet.
  • Page 19 LC-C6554U 16.Remove the 2 lock screws, 4 lock Shafts and detach the Terminal Side Angle. 17.Remove the 6 lock screws and detach the POWER Unit. 18.Remove the 5 lock screws and detach the TERMINAL Unit. 19.Remove the 3 lock screws and detach the Radiator Angle.
  • Page 20 LC-C6554U 21.Remove the 2 lock screws and detach the LCD Panel Module. 22.Remove the R/C, LED Unit. 23.Remove the 12 lock screws and detach the Panel Fix Angle-B. 24.Remove the 10 lock screws and detach the Panel Fix Angle-C. 25.Remove the 12 lock screws and detach the Panel Fix Angle.

  • Page 21: Parts Guide

    NOTE (Temperature-proof cover) 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.
  • Page 22 MAIN Unit DUNTKE558FM01 RDENCA246WJQZ SUB POWER Unit POWER Unit RDENCA247WJQZ [2] LCD PANEL (NOTE: THE PARTS HERE SHOWN ARE SUPPLIED AS AN ASSEMBLY BUT NOT INDEPEN- DENTLY.) 65" LCD Panel Module Unit R1LK645D3LZ40V [3] DUNTKE208FM01 (TERMINAL Unit) Q501 Transistor, 2SA1162-Y(TE85L,F)/(T5L,F,T)
  • Page 23 (When using the conductive cloth tape again, keep in mind the decrease in the adhesive power of the conductive cloth tape. The purpose of using the NEW conductive cloth tape is to prevent the conductive cloth tape from peeling off.)
  • Page 24 And please use the NEW cover when you install Rear Cabinet. (When using the cover again, keep in mind the decrease in the adhesive power of the cover. The purpose of using the NEW cover is to prevent the cover from peeling off.)
  • Page 25 LC-C6554U [8] CABINET AND MECHANICAL PARTS 1-17 1-15 1-11 1-13 1-16 1-12 1-14 1-12 R/C, LED Unit 1-12 1-11 1-10 SUB POWER Unit SIDE Unit 24 23 POWER Unit KEY Unit MAIN Unit TERMINAL Unit 13 40 79-1 79-3 79-2...
  • Page 26 LC-C6554U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [8] CABINET AND MECHANICAL PARTS Front Cabinet Ass'y CCABAB845WJ32 Front Cabinet Not Available Front Cover Not Available Badge, SHARP Not Available LED Cover Not Available Shine Trim HDECSA031WJ3A SP-Sheet HPNLSA156WJ3A Spacer, x6...
  • Page 27 Speaker (R) RSP-ZA348WJZZ Mercury Label TCAUZA306WJZZ Core, x2 RCORFA038WJZZ XBBS840P08000 Screw (for Angle), x36 Screw (for Stand Bottom Cover), x2 XBBS940P10000 Screw (for PWB), x20/(for Shield), x58 XBPS730P06WS0 Screw (for HDMI), x2 XBPS830P06000 Screw (for AC Angle), x2 XBPS930P08JS0 Screw (for HDMI Shield), x2...
  • Page 28 LC-C6554U [10] PACKING PARTS (NOT REPLACEMENT ITEM)
  • Page 29 LC-C6554U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [10] PACKING PARTS (NOT REPLACEMENT ITEM) Packing Case (Main) SPAKCE296WJZZ Packing Case (Bottom) SPAKCD620WJZZ Wrapping Paper (Monitor) SPAKPA962WJZZ Wrapping Paper (Stand) SPAKPA993WJZZ Packing Add. SPAKXB605WJZZ Polyethylene Bag SSAKA0101GJZZ Polyethylene Bag SSAKAA032WJZZ No.
  • Page 30 LC-C6554U COPYRIGHT 2008 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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