Sharp LC-C4655U - AQUOS Liquid Crystal Television Service Manual
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Sharp LC-C4655U - AQUOS Liquid Crystal Television Service Manual

Lcd color television
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TopPage
This model is based on the LC-42D65U and is changed some parts. This Service Manual covers the modifications
alone. For the other points, refer to the LC-42D65U (No. S78N2LC42D65U) Service Manual.
DIFFERENCES FROM BASE MODEL...................... i
[1]
SPECIFICATIONS .................................................1-1
[1]
OPERATION MANUAL ..........................................2-1
[1]
DIMENSIONS ........................................................3-1
[1]
REMOVING OF MAJOR PARTS ...........................4-1
[1]
ADJUSTMENT PROCEDURE ...............................5-1
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. S08S2LCC4655U
LCD COLOR TELEVISION
LC-C4655U
[1]
OVERALL WIRING DIAGRAM ..............................6-1
CHAPTER 7. PRINTED WIRING BOARD ASSEMBLIES
[1]
R/C, LED Unit.........................................................7-1
[1]
[2]
R/C, LED Unit.........................................................8-2
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
LC-C4655U

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Summary of Contents for Sharp LC-C4655U - AQUOS Liquid Crystal Television

  • Page 1: Table Of Contents

    TopPage LC-C4655U SERVICE MANUAL No. S08S2LCC4655U LCD COLOR TELEVISION LC-C4655U 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 This model is based on the LC-42D65U and is changed some parts.

  • Page 2: Outline And Differences From Base Model Outline

    LC-C4655U LC-C4655U OUTLINE AND DIFFERENCES FROM BASE MODEL Service Manual OUTLINE This model is based on the LC-42D65U and is changed some parts. This Service Manual covers the modifications alone. For the other points, refer to the LC-42D65U (No. S78N2LC42D65U) Service Manual. DIFFERENCES FROM BASE MODEL LIST OF CHANGED PARTS LC-42D65U...

  • Page 3: Safety Precaution Important Service Safety Precaution

    LC-C4655U LC-C4655U SAFETY PRECAUTION Service Manual IMPORTANT SERVICE SAFETY PRECAUTION Service work should be performed only by qualified service technicians who are thoroughly familiar with all safety checks and the servicing guidelines which follow: WARNING • Using two clip leads, connect a 1.5k ohm, 10 watt resistor paral- leled by a 0.15µF capacitor in series with all exposed metal cabinet 1.

  • Page 4: Precautions A Prendre Lors De La Reparation

    LC-C4655U 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. AVERTISSEMENT • A l'aide de deux fils à pinces, brancher une résistance de 1.5 kΩ 10 watts en parallèle avec un condensateur de 0.15µF en série N'entreprendre aucune modification de tout circuit.

  • Page 5: Precautions For Using Lead-Free Solder

    LC-C4655U PRECAUTIONS FOR USING LEAD-FREE SOLDER 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 6: Precautions In Servicing The Hdcp-Key Rom

    LC-C4655U PRECAUTIONS IN SERVICING THE HDCP-KEY ROM Applied part: 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. (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.

  • Page 7: Chapter 1. Specifications

    Emergency alert messages via Cable are unreceivable. 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-C4655U CHAPTER 2. LC-C4655U OPERATION MANUAL Service Manual [1] OPERATION MANUAL Part Names TV (Front) Remote control sensor OPC sensor * OPC indicator SLEEP indicator POWER indicator * OPC: Optical Picture Control TV (Rear/Side) POWER button MENU button AC INPUT terminal INPUT button...
  • Page 9 LC-C4655U Part Names Remote Control Unit 1 POWER: Switch the TV power on or enters standby. 2 CC: Display captions from a closed-caption source. 3 AUDIO: Selects the MTS/SAP or the audio mode during multi-channel audio broadcasts. 4 0–9: Set the channel. (DOT): 6 FLASHBACK: Return to the previous channel or external input mode.

  • Page 10: Quick Reference

    This TV should be mounted on the wall only with the Before performing work spread cushioning over the base AN-52AG4 (SHARP) wall mount bracket. The use of area to lay the TV on. This will prevent it from being other wall mount brackets may result in an unstable damaged.
  • Page 11 LC-C4655U Appendix Troubleshooting Problem Possible Solution No power Check if you pressed POWER on the remote control unit. If the indicator on the TV does not light up, press POWER on the TV. Is the AC cord disconnected? Has the power been turned on? Unit cannot be operated.
  • Page 12 LC-C4655U On-Screen Display Menu Menu Items For TV/INPUT 1/2/3 Mode For HDMI/PC-IN Mode Picture Menu Picture Menu Backlight Backlight Contrast Contrast Brightness Brightness Color Color Tint Tint Sharpness Sharpness Advanced Advanced C.M.S.-Hue C.M.S.-Hue C.M.S.-Saturation C.M.S.-Saturation Color Temp. Color Temp. Active Contrast Active Contrast I/P Setting I/P Setting...

  • Page 13: Chapter 3. Dimensions Dimensions

    LC-C4655U CHAPTER 3. LC-C4655U DIMENSIONS Service Manual [1] DIMENSIONS Unit: inch (mm) (1113) (1023.4) (550) (124) (99) (400) (343) 3 – 1...

  • Page 14: Chapter 4. Removing Of Major Parts

    LC-C4655U CHAPTER 4. LC-C4655U REMOVING OF MAJOR PARTS Service Manual [1] REMOVING OF MAJOR PARTS 1. Remove the 4 lock screws and detach the Stand. 2. Remove the 4 VESA Hole Covers. 3. Remove the 1 lock screw. 4. Remove the 4 lock screws, 9 lock screws and detach the Rear Cabinet. Rear Cabinet Front Cabinet Stand...
  • Page 15 LC-C4655U 5. Remove the 1 lock screw and detach the Bottom Cover. 6. Disconnect SP-Wire and detach the Speaker-LR. 7. Detach the R/C, LED Unit, and disconnect RA-Wire. 8. Detach the KEY Unit Ass'y. 9. Detach the KEY Unit from the KEY Button Cover, and disconnect KM-Wire. KEY Unit KEY Button Cover...
  • Page 16 LC-C4655U 10.Remove the 2 lock screws and detach the Side AV Cover. 11.Remove the 11 lock screws, 4 lock shafts, 3 lock screws, 2 lock screws and detach the Main Shield. Main Shield Side AV Cover 4 – 3...
  • Page 17 LC-C4655U 12.Disconnect all the connectors from all the PWBs. LW PL 4 – 4...
  • Page 18 LC-C4655U 13.Remove the 7 lock screws and detach the MAIN Unit, Heat Sink Ass'y. 14.Remove the 6 lock screws and detach the POWER Unit Ass'y. MAIN Unit Power PWB Holder Heat Sink Ass'y POWER Unit 4 – 5...
  • Page 19 LC-C4655U 15.Remove the 16 lock screws and detach the Panel Support Angle. 16.Remove the 10 lock screws and detach the LCD Panel Module. Panel Support Angle LCD Panel Module 4 – 6...

  • Page 20: Chapter 5. Adjustment

    LC-C4655U CHAPTER 5. LC-C4655U ADJUSTMENT Service Manual [1] ADJUSTMENT PROCEDURE The adjustment values are set to the optimum conditions at the factory before shipping. If a value should become improper or an adjustment is required due to part replacement, make an adjustment according to the following procedure. 1.
  • Page 21 LC-C4655U 5. Even a single failure in the process will trigger the upgrade failure screen. SB55 UPGRADE FAILURE NOTE: In the event of a failure, repeat the upgrade process. If the process repeatedly fails, it is likely that the hardware need fixing. 6.
  • Page 22 LC-C4655U 2.3. Monitor microprocessor software version upgrade Create the USB memory for monitor microprocessor software version upgrade in the same manner as explained in the “Main software version upgrade”. Copy the file LAKEVAxx.USB and LAKEMxxx.BIN (named temporarily) for monitor microprocessor software version upgrade to the USB memory. 2.3.1 How to upgrade the software 1.
  • Page 23 LC-C4655U 2.4. Upgrading LCD controller software Create the USB memory for LCD controller software version upgrade in the same manner as explained in the “Main software version upgrade”. Copy the file LAKELAxx.USB and LAKELDxx.LCD to USB memory. 2.4.1 How to upgrade the software 1.
  • Page 24 LC-C4655U 3. Entering and exiting the adjustment process mode 1) Before entering the adjustment process mode, the AV position RESET in the video adjustment menu. 2) While holding down the “VOL (–)” and “INPUT” keys at a time, plug in the AC cord of the main unit to turn on the power. The letter “<K>”...
  • Page 25 LC-C4655U 5. List of adjustment process mode menu The character string in brackets [ ] will appear as a page title in the adjustment process menu header. Page Line Item Description Remarks (adjustment detail, etc.) MAIN Version Main software version BOOT Version Monitor / Monitor BOOT Version Monitor and monitor boot software version...
  • Page 26 LC-C4655U Page Line Item Description Remarks (adjustment detail, etc.) ANALOG RGB ADJ Analog RGB picture level adjustment R A_GAIN G A_GAIN B A_GAIN R D_GAIN G D_GAIN B D_GAIN R OFFSET G OFFSET B OFFSET VCOM ADJ VCOM adjustment value LEV1 Standard value 1 Adjustment gradation setting.
  • Page 27 LC-C4655U Page Line Item Description Remarks (adjustment detail, etc.) Audio Switch Flat Mode ADC Volume 1 ADC Volume 2 ADC Volume 3 ADC Volume 4 ADC Volume 5 ADC Volume 6 Lip Sync LR Lip Sync Monitor Lip Sync SW LR Func Vol AIN(2ch) LR Func Vol HDMI(2ch) LR Func Vol ATV(2ch)
  • Page 28 LC-C4655U Page Line Item Description Remarks (adjustment detail, etc.) BE ATT BE G Limit Bass Center ATT Bass Vol0 MIN Bass Vol60 MIN Bass Vol60 Center Bass Vol0 MAX Bass Vol60 MAX Treble Center ATT Treble Vol0 MIN Treble Vol60 MIN Treble Vol60 Center Treble Vol0 MAX Treble Vol60 MAX...
  • Page 29 LC-C4655U Page Line Item Description Remarks (adjustment detail, etc.) BRIGHTNESS DA23 BRIGHTNESS DA24 BRIGHTNESS DA25 BRIGHTNESS DA26 BRIGHTNESS DA27 BRIGHTNESS DA28 BRIGHTNESS DA29 BRIGHTNESS DA30 BRIGHTNESS DA31 BRIGHTNESS DA32 OPC33 ADLEVEL 0 OPC33 ADLEVEL 1 OPC33 ADLEVEL 2 OPC33 ADLEVEL 3 OPC33 ADLEVEL 4 OPC33 ADLEVEL 5 OPC33 ADLEVEL 6...
  • Page 30 LC-C4655U Page Line Item Description Remarks (adjustment detail, etc.) LCD TEST PATTERN TV TEST PATTERN 1 TV TEST PATTERN 2 KEY LOCK(1217) KOUTEI AREA ALL CLEAR A MODE AREA CLEAR BACKUP AREA CLEAR B MODE AREA CLEAR EXECUTION EEP SAVE Writing setting values to EEPROM EEP RECOVER Reading setting values from EEPROM...

  • Page 31: Special Features

    LC-C4655U 6. Special features * STANDBY CAUSE (Page 1/38) Display of a cause (code) of the last standby The cause of the last standby is recorded in EEPROM whenever possible. Checking this code will be useful in finding a problem when you repair the troubled set. * EEP SAVE (Page 38/38) Storage of EEP adjustment value * EEP RECOVER (Page 38/38)
  • Page 32 LC-C4655U 7.5. Component 33K signal adjustment Adjustment item Adjustment conditions Adjustment procedure Adjustment 1080i signal Feed the 100% color bar signal to INPUT 1 component input. 100% white Auto adjustment Page 6/38 Bring the cursor on [•COMP 33K ADJ (INPUT1)] and press [ENTER]. performance [•COMP 33K ADJ (INPUT1) OK] appears when finished.
  • Page 33 LC-C4655U 8. Adjustment of white balance 8.1. White balance adjustment Adjustment item Adjustment conditions Adjustment procedure Setting For detailed adjustment procedure, refer to “Kameyama Model Integral Monitor WB Adjustment Specifications V1.6”. 1) Make the following settings for the set. AV MODE: [DYNAMIC] Backlight: +16 Active Backlight: OFF Aging time: Min.
  • Page 34 LC-C4655U 8.2. Adjusting procedure by use of [RS-232C] 1. Get ready the PC with COM port (RS-232C) running on Windows 95/98/ME/2000/XP operating system, as well as the RS-232C cross cable. 2. Start the unit with the RS-232C cable connected. 3. Start the terminal software. (The freeware readily available on the Internet will do.) 4.
  • Page 35 LC-C4655U 10. Model number ID plug Model numbers are identified by inserting the destination ID plug (QCNCMA275WJQZ) in its specified slot of the destination ID connector SC9201/ SC9202 (QCNCWA715WJQZY). Output Optical output S terminal 5 – 16...
  • Page 36 LC-C4655U MEMO 5 – 17...

  • Page 37: Chapter 6. Overall Wiring Diagram

    LC-C4655U LC-C4655U CHAPTER 6. OVERALL WIRING DIAGRAM Service Manual [1] OVERALL WIRING DIAGRAM Optical out S terminal RS-232C 6 – 1...

  • Page 38: R/C, Led Unit

    LC-C4655U LC-C4655U CHAPTER 7. PRINTED WIRING BOARD ASSEMBLIES Service Manual [1] R/C, LED Unit R/C, LED Unit (Side-A) R/C, LED Unit (Side-A Chip) C104 R120 R126 R107 C108 Q102 C107 P102 R119 P101 R121 R104 R124 RMC102 IC102 RMC101 IC101 D103 D114 D115...

  • Page 39: Chapter 8. Schematic Diagram

    LC-C4655U LC-C4655U CHAPTER 8. SCHEMATIC DIAGRAM Service Manual [1] DESCRIPTION OF SCHEMATIC DIAGRAM 1. VOLTAGE MEASUREMENT CONDITION: 1) 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 gener- ator for servicing purpose and the above voltages are measured with a 20k ohm/V tester.

  • Page 40: R/C, Led Unit

    LC-C4655U [2] R/C, LED Unit 8 – 2...

  • Page 41: Parts Guide

    LC-C4655U PartsGuide PARTS GUIDE No. S08S2LCC4655U Note: The reference numbers on the PWB LC-C4655U are arranged in alphabetical order. MODEL CONTENTS CABINET AND MECHANICAL PARTS PRINTED WIRING BOARD ASSEMBLIES SUPPLIED ACCESSORIES LCD PANEL (NOTE: THE PARTS HERE SHOWN ARE SUPPLIED AS AN ASSEMBLY PACKING PARTS (NOT REPLACEMENT ITEM) BUT NOT INDEPENDENTLY.) SERVICE JIG (USE FOR SERVICING)
  • Page 42 LC-C4655U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [1] PRINTED WIRING BOARD ASSEMBLIES R/C, LED Unit DUNTKE264FM02 KEY Unit DUNTKE266FM02 MAIN Unit DUNTKE716FM01 POWER Unit RDENCA295WJQZ [2] LCD PANEL (NOTE: THE PARTS HERE SHOWN ARE SUPPLIED AS AN ASSEMBLY BUT NOT INDEPEN- DENTLY.) 46"...
  • Page 43 LC-C4655U [5] CABINET AND MECHANICAL PARTS R/C, LED Unit KEY Unit 5-1 5-2 29 30 POWER Unit MAIN Unit...
  • Page 44 PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] CABINET AND MECHANICAL PARTS Front Cabinet Ass'y CCABAC176WJ31 Front Cabinet Not Available Badge, SHARP Not Available LED Decoration HDECQA777WJ3A SP Sheet HPNLSA217WJ3A Rear Cabinet Ass'y CCABBB367WJ33 Rear Cabinet Not Available Terminal Label (Back)
  • Page 45 LC-C4655U [6] SUPPLIED ACCESSORIES Cable Band Cable Clamp AC Cord Remote Control Unit "AAA" Size Battery Stand Unit X12-1 PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [6] SUPPLIED ACCESSORIES Cable Band LHLDWA083WJ00 Cable Clamp LHLDWA173WJKZ AC Cord QACCDA039WJPZ Remote Control Unit RRMCGA667WJSA Enquete Card TCADEA243WJZZ...
  • Page 46 LC-C4655U [7] PACKING PARTS (NOT REPLACEMENT ITEM)
  • Page 47 LC-C4655U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [7] PACKING PARTS (NOT REPLACEMENT ITEM) Packing Case (Bottom) SPAKCE471WJZZ Packing Case (Main) SPAKCE525WJZZ Stand Case SPAKFB628WJZZ Wrapping Paper SPAKPA999WJZZ Wrapping Paper SPAKPB231WJZZ Packing Add. SPAKXC170WJZZ Polyethylene Bag SSAKA0101GJZZ Polyethylene Bag SSAKAA032WJZZ Polyethylene Bag (for Screw) SSAKHA035WJZZ...
  • Page 48 LC-C4655U 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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