Sharp LC-13B2UA Service Manual
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Sharp LC-13B2UA Service Manual

Sharp LC-13B2UA Service Manual

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Download this manual See also: Operating Manual
» IMPORTANT SERVICE SAFETY PRECAUTION ................................................................................. 2
» SPECIFICATIONS ................................................................................................................................ 5
» OPERATION MANUAL ......................................................................................................................... 6
» DIMENSIONS ....................................................................................................................................... 7
» REMOVING OF MAJOR PARTS .......................................................................................................... 8
» ADJUSTING PROCEDURE OF EACH SECTION ............................................................................. 11
» TROUBLE SHOOTING TABLE ........................................................................................................... 22
» CHASSIS LAYOUT ............................................................................................................................. 26
» BLOCK DIAGRAMS ............................................................................................................................ 28
» DESCRIPTION OF SCHEMATIC DIAGRAM ..................................................................................... 30
» SCHEMATIC DIAGRAMS ................................................................................................................... 31
» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 46
» PARTS LIST
Ë ELECTRICAL PARTS ..................................................................................................................... 52
MAIN UNIT ..................................................................................................................................... 52
TERMINAL UNIT ............................................................................................................................ 56
CONTROL UNIT ............................................................................................................................ 58
LED UNIT ....................................................................................................................................... 59
INVERTER UNIT ............................................................................................................................ 59
Ë CABINET PARTS LIST ................................................................................................................... 60
Ë SUPPLIED ACCESSORIES PARTS .............................................................................................. 60
Ë PACKING PARTS ........................................................................................................................... 60
Ë CABINET AND MECHANICAL PARTS .......................................................................................... 61
» PACKING OF THE SET ...................................................................................................................... 62
SHARP CORPORATION
SERVICE MANUAL
MODEL
In the interests of user-safety (Required by safety regula-
tions in some countries) the set should be restored to its
original condition and only parts identical to those specified
be used.
CONTENTS
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
1
LCD COLOR TELEVISION
LC-13B2UA
LC-13B2UA
S22G1LC13B2UA
Page

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Summary of Contents for Sharp LC-13B2UA

  • Page 1: Table Of Contents

    LC-13B2UA SERVICE MANUAL S22G1LC13B2UA LCD COLOR TELEVISION LC-13B2UA MODEL In the interests of user-safety (Required by safety regula- tions in some countries) the set should be restored to its original condition and only parts identical to those specified be used.

  • Page 2: Important Service Safety Precaution

    LC-13B2UA IMPORTANT SERVICE SAFETY PRECAUTION Ë Service work should be perfomed only by qualified service technicians who are thoroughly familiar with all safety checks and the servicing guidelines which follow: • Use an AC voltmeter having with 5000 ohm per volt, or...
  • Page 3 LC-13B2UA 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. • Utiliser un voltmètre CA d’une sensibilité d’au moins AVERTISSEMENT 5000Ω/V pour mesurer la chute de tension en travers...
  • Page 4 LC-13B2UA Ë Precautions for using lead-free solder 1 Employing lead-free solder “Main PWB” 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 5: Specifications

    LC-13B2UA SPECIFICATIONS Items ............. 13" LCD COLOR TV, Model: LC-13B2UA LCD panel ................. 13" ASV & BLACK-TFT LCD Number of dots .................. 921,600 dots VGA Video color system ......N358/N443/PAL/PAL-M/PAL-N/SECAM/PAL-60 TV Function Destination ..................USA/Latin A/Twn TV-Standard (CCIR) ..............NTSC/PAL-M/PAL-N TV-Tuning System ...................

  • Page 6: Operation Manual

    LC-13B2UA OPERATION MANUAL Main unit (front view) Terminals Remote Control...

  • Page 7: Dimensions

    LC-13B2UA DIMENSIONS (Unit: Inch/mm)

  • Page 8: Removing Of Major Parts

    LC-13B2UA REMOVING OF MAJOR PARTS 1. Remove two Rear covers. 2. Remove the Table stand fixing screws (4 pcs.). 3. Remove the Cabinet B fixing screws (10 pcs.) and detach the cabinet. 4. Push on the hooks of the Cabinet B, open the cabinet and detach eight hooks, and then detach the Cabinet B.
  • Page 9 LC-13B2UA 6. Remove the Main PWB fixing screws (3 pcs.). 7. Remove the Inverter PWB fixing screw (2 pcs.). 8. Remove the Terminal PWB fixing screws (4 pcs.). 9. Remove the LED PWB fixing screws (2 pcs.). 10. Remove the Control PWB fixing screws (2 pcs.).
  • Page 10 LC-13B2UA 13. Remove the LCD display unit fixing screws (4 pcs.). 14. Detach the Reflection/deflection sheet, Prism sheet and Diffusion sheet. 15. Detach four Reflection mirrors. 16. Remove the Fluorescent lamp. 17. Detach the Light guide plate. 18. Detach two Lamp reflection sheets.

  • Page 11: Adjusting Procedure Of Each Section

    LC-13B2UA ADJUSTING PROCEDURE OF EACH SECTION The best adjustment is made before shipping. If any position deviation is found or after part replace is performed, adjust as follows. 1. Preparation for Adjustments (1) Use the exclusive-use AC adapter or stable DC power supply.
  • Page 12 LC-13B2UA 4. Adjustments Adjustment Adjusting conditions Adjusting method B+ Adjustment 1. Connect the DC voltmeter to pin (2) of 1. Adjust the "B+ Adj" value to 5.0 ± 0.02V with R3760. (R3760) P3702. * Keep the voltage at pin (2) of P3702 below 5.3V during the adjustment.
  • Page 13 LC-13B2UA Adjustment Adjusting conditions Adjusting method White balance 1. Receive the monoscope pattern adjustment signal. 2. Adjust the "RCUTOFF" and "BCUTOFF" settings on the page 2 of the adjustment process mode to become the proper white balance. Do not change the "GCUTOFF"...
  • Page 14 LC-13B2UA 5. Shipping setting list Channel ............................... 2ch Air/Cable ............................. Air Skip Data_CATV ..........................All Skip Skip Data_AIR ............................ All Skip Volume ..............................20 Picture ..............................30 Tint ..............................0 Color ..............................0 Black Level ............................0 SHARPNESS ............................0 RED-BLUE ............................
  • Page 15 LC-13B2UA 6. Test patterns in adjustment process mode (1) IC801 (Video decoder) test pattern 1-1) Indication of the test pattern Set the screen to AV1, AV2, or component, and do not input a signal. It enters the adjustment process mode. By selecting “TEST PATTERN” on the third line of page 7 and changing the setting value to one of 1 - 6, the test pattern will be displayed.
  • Page 16 LC-13B2UA (3) Trouble shooting using test patterns Is the test pattern of IC801 displayed normally? Is the test pattern of IC1201 displayed normally? Check the signal output Is the waveform of pins line of IC801, IC801 and (10), (11), (13), (15), (17) its peripheral circuits.
  • Page 17 LC-13B2UA Descriptions of the terminals of Micon IC (IC2001) RH-iXA154WJZZQ No. Terminal Name Descriptions No. Terminal Name Descriptions V HOLD For closed caption Adjusting procedure For closed caption AV/SY/DY2 CCD input change for US MAINSW Main switch ON “H” / OFF “L”...
  • Page 18 LC-13B2UA List of the adjustment process mode menu Page Items Initial settings Descriptions Adjustments or descriptions of change Standard settings INCH SIZE Inch size select Adjustment MODEL B2UA Model name SYSTEM AUTO Color system change NTSC PWM FREQ Light control frequency setup...
  • Page 19 LC-13B2UA Page Items Initial settings Descriptions Adjustments or descriptions of change Video adjustment (VPC setup) [Continued] Comb filter setup Comb filter setup Comb filter setup KILVL 08 Color killer level setup KILHY 05 Color killer hysterysis setup VSYNC DELAY V-synchronized phase setup...
  • Page 20 LC-13B2UA Page Items Initial settings Descriptions Adjustments or descriptions of change Video adjustment (TV · Composite · S-video) [Continued] PAL-M TV COLOR 2600 Color thickness setup (TV) PAL-M AV COLOR 2600 Color thickness setup (Composite, S-video) PAL-M TV TINT Tint setup (TV)
  • Page 21 LC-13B2UA Page Items Initial settings Descriptions Adjustments or descriptions of change LCD controller setup (PAL) / Closed caption setup [continued] PAL 06 Horizontal display position PAL 07 Vertical display position PAL 08 UV data phase delay PAL 09 Panel clock adjustment...

  • Page 22: Trouble Shooting Table

    LC-13B2UA TROUBLE SHOOTING TABLE No Power (Power LED indicator still in red) Go to the adjustment process mode. INCH SIZE MODEL B2UA SYSTEM AUTO NTSC PWM FREQ PAL PWM FREQ NTSC PWM DUTY PAL PWM DUTY TV GAIN ERROR NO RESET...
  • Page 23 LC-13B2UA TROUBLE SHOOTING TABLE (Continued)
  • Page 24 LC-13B2UA TROUBLE SHOOTING TABLE (Continued)
  • Page 25 LC-13B2UA TROUBLE SHOOTING TABLE (Continued)

  • Page 26: Chassis Layout

    LC-13B2UA CHASSIS LAYOUT MAIN Unit (Side-A) MAIN Unit (Side-B)
  • Page 27 LC-13B2UA INVERTER Unit CONTROL Unit LED Unit TERMINAL Unit...

  • Page 28: Block Diagrams

    LC-13B2UA BLOCK DIAGRAMS ANALOG UNIT TV-V TUNER TU3201 SIF-AMP. Q3201 Q3202 SY, SC AV 1 TV-V S-VIDEO VIDEO L1, R1 INPUT SWITCH IC402 V2/VO AV 2 AUDIO VIDEO L2, R2 INPUT IN/OUT IN/OUT OUTPUT SWITCH SWITCH VOUT IC3501 Q3501-Q3505 Q3500...
  • Page 29 LC-13B2UA DIGITAL UNIT SY, SC VIDEO DECODER CONTROLLER (VPC) IC1201 IC801 PANEL FIFO IC1202 BUFFER TER. Q402 GRADUATION 3.3V REG. POWER FOR IC702 IC1102-IC1108 IC1110 CK, VD, HD, OSD-RGB CVIN IC1112 IC1114 3 WIRE IC1115 CSYNC IC1101 IC1111 COMMON IC2001...

  • Page 30: Description Of Schematic Diagram

    LC-13B2UA DESCRIPTION OF SCHEMATIC DIAGRAM IMPORTANT SAFETY NOTICE: AVIS DE SECURITE IMPORTANT: å PARTS MARKED WITH " " ( ) ARE LES PIECES MARQUEES "å " ( ) SONT INPORTANT FOR MAINTAINING THE SAFETY OF IMPORTANTES POUR MAINTENIR LA SECURITE THE SET.

  • Page 31: Schematic Diagrams

    LC-13B2UA SCHEMATIC DIAGRAMS Ë CONTROL Unit Ë LED Unit...
  • Page 32 LC-13B2UA Ë MAIN Unit -1/4...
  • Page 33 LC-13B2UA DIGITAL 1...
  • Page 34 LC-13B2UA Ë MAIN Unit -2/4...
  • Page 35 LC-13B2UA DIGITAL 2...
  • Page 36 LC-13B2UA Ë MAIN Unit -3/4...
  • Page 37 LC-13B2UA DIGITAL 3...
  • Page 38 LC-13B2UA Ë MAIN Unit -4/4...
  • Page 39 LC-13B2UA DIGITAL 4...
  • Page 40 LC-13B2UA Ë TERMINAL Unit -1/2 å...
  • Page 41 LC-13B2UA å AND SHADED COMPONENTS=SAFETY RELATED PARTS ANALOG 1...
  • Page 42 LC-13B2UA Ë TERMINAL Unit -2/2 å...
  • Page 43 LC-13B2UA å AND SHADED COMPONENTS=SAFETY RELATED PARTS ANALOG 2...
  • Page 44 LC-13B2UA Ë INVERTER Unit å AND SHADED COMPONENTS=SAFETY RELATED PARTS...
  • Page 45 LC-13B2UA - M E M O -...

  • Page 46: Main Unit

    LC-13B2UA PRINTED WIRING BOARD ASSEMBLIES Main Unit (Side-A)
  • Page 47 LC-13B2UA Main Unit (Side-B)

  • Page 48: Terminal Unit

    LC-13B2UA Terminal Unit (Side-A)
  • Page 49 LC-13B2UA Terminal Unit (Side-B)

  • Page 50: Control Unit

    LC-13B2UA Control Unit (Side-A) Inverter Unit (Side-A) LED Unit (Side-A)
  • Page 51 LC-13B2UA Control Unit (Side-B) Inverter Unit (Side-B) LED Unit (Side-B)
  • Page 52 3. NO. DE PIECE 4. DESCRIPTION in USA : Contact your nearest SHARP Parts Distributor to order. 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...
  • Page 53 LC-13B2UA Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKA670FE10 C703 VCKYTV1CF105Z 16V Ceramic MAIN PWB UNIT(Continued) C705 VCKYCY1CF334Z J 0.33 16V Ceramic C706 VCEASM0JN226MY J 22 6.3V Electrolytic Q1103 VS2SA1036K/-1 J 2SA1036K C711 VCKYCY1EF104Z J 0.1...
  • Page 54 LC-13B2UA Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKA670FE10 R414 VRS-CY1JF105J J 1M 1/16W Metal Oxide AA MAIN PWB UNIT(Continued) R415 VRS-CY1JF105J J 1M 1/16W Metal Oxide AA R416 VRS-CY1JF105J J 1M 1/16W Metal Oxide AA...
  • Page 55 LC-13B2UA Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKA670FE10 R1209 VRS-CA1JF220J J 22 1/16W Metal Oxide AA MAIN PWB UNIT(Continued) R1210 VRS-CY1JF220J J 22 1/16W Metal Oxide AA R1211 VRS-CY1JF221J J 220 1/16W Metal Oxide AA...
  • Page 56 LC-13B2UA Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKA670FE10 D3706 VHDSFPB74//2E J SFPB74 MAIN PWB UNIT(Continued) D3707 VHDSFPB74//2E J SFPB74 D3708 VHDDAN222//-1 J DAN222 FB1203 RBLN-0076TAZZ J Balun, BLN-0076TA D3709 VHDDAN222//-1 J DAN222 D3711 VHDDAN222//-1...
  • Page 57 LC-13B2UA Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB128DE01 C3733 RC-KZ1025CEZZ 10V Ceramic TERMINAL PWB UNIT(Continued) C3734 VCKYCY1EF104Z J 0.1 25V Ceramic C3735 VCKYCY1HF103Z J 0.01 50V Ceramic C3354 VCCCCY1HH560J J 56p 50V Ceramic C3740 VCKYCY1EF104Z J 0.1...
  • Page 58 LC-13B2UA Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB128DE01 R3734 VRS-CY1JF103F J 10k 1/16W Metal Oxide AA TERMINAL PWB UNIT(Continued) R3735 VRS-CY1JF123F J 12k 1/16W Metal Oxide AA R3736 VRS-CY1JF223F J 22k 1/16W Metal Oxide AA...
  • Page 59 LC-13B2UA Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB129DE01 å T6501 RTRNZ0805CEZZQ J Transformer CONTROL PWB UNIT(Continued) å T6502 RTRNZ0805CEZZQ J Transformer å T6503 RTRNZ0805CEZZQ J Transformer R4012 VRS-CY1JF822J J 8.2k 1/16W Metal Oxide AA...

  • Page 60: Ë Cabinet Parts List

    LC-13B2UA Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET PARTS LIST XBPSN30P09JS0 J Screw, x3 TLABN0421CEZZ J No. Label GCOVA2059CEKA J Terminal Cover (S) CCABA2467CE01 J Front Cabinet Ass’y GCOVA2023CEKA J Terminal Cover (L) ——————...

  • Page 61: Ë Cabinet And Mechanical Parts

    LC-13B2UA CABINET AND MECHANICAL PARTS Ref. No. Part No. Description Code Ref. No. Part No. Description Code 1-10 1-11 1-10 1-11 LED Unit CONTROL Unit MAIN Unit TERMINAL Unit 3-11 3-12 3-16 3-13 3-10 3-16 3-15 3-14 3-12 3-15 3-12...

  • Page 62: Packing Of The Set

    LC-13B2UA PACKING OF THE SET Ref. No. Part No. Description Code Ref. No. Part No. Description Code Operation Manual (TiNS-7602CEZZ) Operation Manual Cable Clamp (2 pcs.) Polyethylene Bag (LHLDW0109CESA) (SSAKA0160CEZZ) Dry Battery (2 pcs.) å AC Adapter (UADP-0242CEPZ) Remote Control å...
  • Page 63 LC-13B2UA Ref. No. Part No. Description Code Ref. No. Part No. Description Code...
  • Page 64 Part No. Description Code © COPYRIGHT 2002 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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