Sharp LC-10A3E Service Manual
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Sharp LC-10A3E Service Manual

Sharp LC-10A3E Service Manual

Lcd colour 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.
» IMPORTANT SERVICE SAFETY PRECAUTION ................................................................................. 2
» SPECIFICATIONS ................................................................................................................................ 3
» OPERATION MANUAL ......................................................................................................................... 4
» DIMENSIONS ....................................................................................................................................... 5
» DISASSEMBLY OF THE SET ............................................................................................................... 6
» ADJUSTING PROCEDURE OF EACH SECTION ............................................................................... 9
» TROUBLE SHOOTING TABLE ........................................................................................................... 12
» CHASSIS LAYOUT ............................................................................................................................. 16
» BLOCK DIAGRAM .............................................................................................................................. 18
» DESCRIPTION OF SCHEMATIC DIAGRAM ..................................................................................... 19
» SCHEMATIC DIAGRAM ..................................................................................................................... 20
» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 27
» PARTS LIST
Ë ELECTRICAL PARTS ..................................................................................................................... 31
MAIN UNIT ..................................................................................................................................... 31
TERMINAL UNIT ............................................................................................................................ 35
OPERATION UNIT ......................................................................................................................... 36
LED UNIT ....................................................................................................................................... 37
Ë ACCESSORIES PARTS ................................................................................................................. 37
Ë PACKING PARTS ........................................................................................................................... 37
Ë CABINET PARTS LOCATION ........................................................................................................ 38
Ë CABINET AND MECHANICAL PARTS .......................................................................................... 39
» PACKING OF THE SET ...................................................................................................................... 40
TENTATIVE
SERVICE MANUAL
LCD COLOUR TELEVISION
MODEL
CONTENTS
SHARP CORPORATION
1
LC-10A3E
LC-10A3E
S51T1LC-10A3H
Page

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Summary of Contents for Sharp LC-10A3E

  • Page 1: Table Of Contents

    LC-10A3E TENTATIVE SERVICE MANUAL S51T1LC-10A3H LCD COLOUR TELEVISION LC-10A3E 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: Important Service Safety Precaution

    LC-10A3E IMPORTANT SERVICE SAFETY PRECAUTION Ë Service work should be perfomed 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, or...

  • Page 3: Specifications

    LC-10A3E Specifications LCD panel ....................10.4" TFT LCD Number of dots .................. 921,600 dots VGA Video colour systems ............... PAL/NTSC/SECAM TV FUNCTION TV Standard (CCIR) ..................I/DK/BG TV Tuning System ...............Auto preset 100 ch. STEREO/BILINGUAL ................NICAM, IGR AUTO PRESET ....................YES CATV .....................

  • Page 4: Operation Manual

    LC-10A3E Operation Manual Main unit (front view) Top control panel DISPLAY Volume (+)/(–) BRIGHT TV/VIDEO BRIGHT MENU TV/VIDEO MAIN POWER MAIN POWER MENU CH (')/(") MUTE " Ë The MUTE, DISPLAY, MENU, Volume (+)/(–), CH ( ), and TV/VIDEO buttons provide the same functions as the buttons on the remote control.

  • Page 5: Dimensions

    LC-10A3E Dimensions Front View Side View 63.5 47.5 43.5 213.2 49.5 Rear View 15.5 243.8 (Units: mm)

  • Page 6: Disassembly Of The Set

    LC-10A3E DISASSEMBLY OF THE SET 1. Remove the five lock screws (1) off the cabinet B. 2. Push on the six hooks (2) of the cabinet B and open it slightly. 3. Disconnect all the connectors (3) from the terminal and operation PWBs. Detach the cabinet B.
  • Page 7 LC-10A3E 5. Remove the four lock screws (5) off the main PWB. 6. Peel off the one piece of tape (6) and detach the LC display unit. 7. Remove the two lock screws (7) off the remote control PWB. 8. Remove the four lock screws (8) off the terminal PWB.
  • Page 8 LC-10A3E 11.Undo the seven hooks (11) to release the unit frame. 12.Detach the fluorescent lamp (12). Panel holder...

  • Page 9: Adjusting Procedure Of Each Section

    4-2. Select a model number (A1, A2H, A2U, A3E). For Model LC-10A3E select A3E. 4-3. Select a size in inches (10, 12, 15, 20). For Model LC-10A3E select 10. 4-4. Get Pins (81) and (82) of the IC2001 (microprocessor) back to normal.
  • Page 10 6-2. Counter-bias adjustment Vary the “COM BIAS” setting on Page 2 of the adjustment process so that the contrast be sharpest (black looks most sinking). The adjustment guideline is around 114 for Model LC-10A3E. 6-3. TAMP adjustment 1) Receive the colour bar signal.
  • Page 11 LC-10A3E 7. OSD Menu (for pages 1 and 2) Initial Page Item Remarks Setting +B-ADJ Refer to 5-1 MODEL Refer to 4-2 INCH SIZE Refer to 4-3 TIMER SYSTEM NTSC PWM FREQ PAL PWM FREQ TV GAIN ERROR NO RESET...

  • Page 12: Trouble Shooting Table

    LC-10A3E TROUBLE SHOOTING TABLE No Power (Power LED indicator still in red) Go to the adjustment process mode. +B-ADJ MODEL INCH SIZE TIMER NTSC PWM FREQ PAL PWM FREQ TV GAIN ERROR NO RESET PMUTE Move the cursor to ERROR NO RESET and click on it (to reset to zero).
  • Page 13 LC-10A3E TROUBLE SHOOTING TABLE...
  • Page 14 LC-10A3E TROUBLE SHOOTING TABLE (Continued)
  • Page 15 LC-10A3E TROUBLE SHOOTING TABLE (Continued)

  • Page 16: Chassis Layout

    LC-10A3E CHASSIS LAYOUT MAIN Unit (Side-A) MAIN Unit (Side-B)
  • Page 17 LC-10A3E TERMINAL Unit OPERATION Unit (Side-A) OPERATION Unit (Side-B) LED Unit...

  • Page 18: Block Diagram

    LC-10A3E BLOCK DIAGRAM...

  • Page 19: Description Of Schematic Diagram

    LC-10A3E DESCRIPTION OF SCHEMATIC DIA- GRAM 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 20 LC-10A3E LC-10A3E Ë MAIN Unit -1/2 å AND SHADED COMPONENTS=SAFETY RELATED PARTS 20~21...
  • Page 21 LC-10A3E LC-10A3E Ë MAIN Unit -2/2 å AND SHADED COMPONENTS=SAFETY RELATED PARTS 22~23...
  • Page 22 LC-10A3E LC-10A3E Ë TERMINAL Unit å AND SHADED COMPONENTS=SAFETY RELATED PARTS å 24~25...
  • Page 23 LC-10A3E Ë OPERATION and LED Unit OPERATION UNIT LED UNIT...

  • Page 24: Printed Wiring Board Assemblies

    LC-10A3E PRINTED WIRING BOARD ASSEMBLIES Main Unit (Side-A)

  • Page 25: Main Unit

    LC-10A3E Main Unit (Side-B)

  • Page 26: Operation Unit

    LC-10A3E LED Unit (Side-A) Operation Unit (Side-A) Terminal Unit (Side-A)
  • Page 27 LC-10A3E LED Unit (Side-B) Operation Unit (Side-B) Terminal Unit (Side-B)

  • Page 28: Schematic Diagram

    LC-10A3E PARTS LIST Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKA077DE16 PARTS REPLACEMENT MAIN UNIT Replacement parts which have these special safety character- INTEGRATED CIRCUITS istics identified in this manual: electrical components having IC201 VHiNJM2147M-1 J NJM2147M such features are identified by “...
  • Page 29 LC-10A3E Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKA077DE16 C706 VCKYCY1HB562K J 5600p 50V Ceramic MAIN UNIT(Continued) C707 VCKYCY1CF334Z J 0.33 16V Ceramic C708 VCEAPF0JN226M J 22 6.3V Electrolytic D754 VHDiMN10///-1 J IMN10 C710 VCKYTV1CF105Z...
  • Page 30 LC-10A3E Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKA077DE16 C1201 VCCCCY1HH220J J 22p 50V Ceramic MAIN UNIT(Continued) C1202 VCKYCY1HB103K J 0.01 50V Ceramic C1203 VCKYCY1EF104Z J 0.1 25V Ceramic C878 RC-KZ1025CEZZ 10V Ceramic C1204 VCCCCY1HH220J J 22p...
  • Page 31 LC-10A3E Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKA077DE16 R811 VRS-CY1JF222J J 2.2k 1/16W Metal Oxide AA MAIN UNIT(Continued) R812 VRS-CY1JF000J 1/16W Metal Oxide AA R813 VRS-CB1JF220J J 22 1/16W Metal Oxide AC R405 VRS-CY1JF101J...
  • Page 32 LC-10A3E Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKA077DE16 R2057 VRS-CY1JF103J J 10k 1/16W Metal Oxide AA MAIN UNIT(Continued) R2058 VRS-CY1JF474J J 470k 1/16W Metal Oxide AA R2059 VRS-CY1JF223J J 22k 1/16W Metal Oxide AA...
  • Page 33 LC-10A3E Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKA645DE01 R3334 VRS-CY1JF102J J 1k 1/16W Metal Oxide AA TERMINAL UNIT(Continued) R3401 VRS-TQ2BD750J J 75 1/8W Metal Oxide AA R3402 VRS-CY1JF101J J 100 1/16W Metal Oxide AA...

  • Page 34: Packing Parts

    OPERATION UNIT(Continued) RESISTORS LANGU9053CE01 J Wall Mount Parts å R4080 VRS-CY1JF822J J 8.2k 1/16W Metal Oxide AA QACCB0016TAZZ J AC Cord(LC-10A3E(K)) R4081 VRS-CY1JF123J J 12k 1/16W Metal Oxide AA å QACCK0002TAZZ J AC Cord(LC-10A3E) R4082 VRS-CY1JF273J J 27k 1/16W Metal Oxide AA...

  • Page 35: Cabinet Parts Location

    Not Available – Front Cabinet — GCOVA2018CEKA J Cover, for R/C Receiver GCOVA1817CESA J Cover, for LED HBDGB3133CESM J Badge, ”SHARP” HDECA0200CESG J Decoration Plate LANGS0101CEFW J Speaker Punching (R), x2 AD LANGS0102CEFW J Speaker Punching (L), x2 XEBSD20P05000 J Screw, for Speaker, x4...

  • Page 36: Ë Cabinet And Mechanical Parts

    LC-10A3E CABINET AND MECHANICAL PARTS Ref. No. Part No. Description Code Ref. No. Part No. Description Code 2-14 2-11 2-12 2-13 OPERATION Unit 2-10 2-15 TERMINAL Unit MAIN Unit 1-16 1-13 1-12 LED Unit 1-10 1-17 1-14 1-11 1-17 1-14...

  • Page 37: Packing Of The Set

    LC-10A3E PACKING OF THE SET Ref. No. Part No. Description Code Ref. No. Part No. Description Code SSAKA0160CEZZ (Operation Manual Polyethylene Bag) TiNS-7449CEZZ (Operation Manual) Batteries (2 pcs.) QCNW-5685CEZZ (AV Cable for Mini-jack) å SPAKX2060CEZZ UADP-0225CEPZ (Buffer Material) (AC Adaptor)
  • Page 38 Part No. Description Code © COPYRIGHT 2001 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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