Sharp LC-13B2H Service Manual
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Sharp LC-13B2H Service Manual

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» IMPORTANT SERVICE SAFETY PRECAUTION ................................................................................. 2
» SPECIFICATIONS ................................................................................................................................ 3
» OPERATION MANUAL ......................................................................................................................... 4
» DIMENSIONS ....................................................................................................................................... 6
» REMOVING OF MAJOR PARTS .......................................................................................................... 7
» ADJUSTING PROCEDURE OF EACH SECTION ............................................................................. 10
» TROUBLE SHOOTING TABLE ........................................................................................................... 14
» CHASSIS LAYOUT ............................................................................................................................. 18
» BLOCK DIAGRAM .............................................................................................................................. 20
» DESCRIPTION OF SCHEMATIC DIAGRAM ..................................................................................... 22
» SCHEMATIC DIAGRAMS ................................................................................................................... 23
» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 38
» PARTS LIST
Ë ELECTRICAL PARTS ..................................................................................................................... 45
MAIN UNIT ..................................................................................................................................... 45
TERMINAL UNIT ............................................................................................................................ 47
OPERATION UNIT ......................................................................................................................... 50
JACK UNIT ..................................................................................................................................... 51
R/C RECEIVER UNIT .................................................................................................................... 51
Ë SUPPLIED ACCESSORIES PARTS .............................................................................................. 51
Ë PACKING PARTS ........................................................................................................................... 51
Ë CABINET PARTS LIST................................................................................................................... 52
Ë CABINET AND MECHANICAL PARTS .......................................................................................... 53
» PACKING OF THE SET ...................................................................................................................... 55
SERVICE MANUAL
LCD COLOUR TELEVISION
MODELS
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
SHARP CORPORATION
1
S91B2LC-13B2H
LC-13B2H
LC-13B2M
Page
LC-13B2H/M

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Summary of Contents for Sharp LC-13B2H

  • Page 1: Table Of Contents

    LC-13B2H/M SERVICE MANUAL S91B2LC-13B2H LCD COLOUR TELEVISION LC-13B2H LC-13B2M MODELS 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-13B2H/M 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: Specifications

    LC-13B2H/M Specifications Items ............13" LCD COLOUR TV, Model: LC-13B2H/M LCD panel ....................13" TFT LCD Number of dots .................. 921,600 dots VGA Video colour systems ............... World multi system TV FUNCTION TV Standard (CCIR) ................. I/DK/M/BG TV Turning System ..............Auto preset turning STEREO/BILINGUAL ............

  • Page 4: Operation Manual

    LC-13B2H/M Operation Manual...
  • Page 5 LC-13B2H/M...

  • Page 6: Dimensions

    LC-13B2H/M Dimensions MENU TV/VIDEO MAIN POWER PRESET 271.2 264.96 AV-IN 1 POWER SLEEP 92.7 ANT. VIDEO AV-IN 2/OUT VIDEO AUDIO AUDIO S-VIDEO COMPONENT AUDIO HEAD PHONE POWER INPUT DC12V 18 9 148.5 40.5 177.8 (Unit: mm)

  • Page 7: Removing Of Major Parts

    LC-13B2H/M REMOVING OF MAJOR PARTS 1. Remove the back cover. 2. Remove the table stand fixing screws (4 pcs.). 3. Remove the cabinet B fixing screws (9 pcs.) and detach the cabinet. 4. Release the wire holders at 2 locations and peel off the tape.
  • Page 8 LC-13B2H/M 6. Remove the terminal PWB fixing screws (2 pcs.). 7. Remove the jack PWB fixing screw (1 pcs.). 8. Remove the main PWB fixing screws (2 pcs.). 9. Remove the R/C receiver PWB fixing screws (2 pcs.). 10. Remove the operation PWB fixing screws (2pcs.).
  • Page 9 LC-13B2H/M » Precautions in handling the LCD panels 1. Work in a clean room (with humidities below 50%). 2. Be sure to wear an anti-static armband. 3. Handle the panels on an electroconductive mat. 4. Be careful not to fall, shake and shock the panels.

  • Page 10: Adjusting Procedure Of Each Section

    LC-13B2H/M ADJUSTING PROCEDURE OF EACH SECTION Preparation for Adjustments Use the dedicated AC adaptor or stable DC power supply. LC13B2 AC adaptor: UADP-0226CEPZ DC power supply: 12 ± 0.5V, 3.0 (A) [1] Adjusting procedure 1-1. Checker adjustment Power ON (initialization) → Setting of model and inch size → Model data transfer to the setting E C) →...
  • Page 11 5-2. Counter-bias adjustment...Page 2 COM BIAS 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 57 for Model LC-13B2H/M. 5-3. TAMP adjustment 1) Receive the colour bar.
  • Page 12 LC-13B2H/M [6] Lamp error detection 6-1. Functional description This LCD color television has a function (lamp error detection) to be turned OFF automatically for safety when the lamp or lamp circuit is abnormal. If the lamp or lamp circuit is abnormal, or some other errors happen, and the lamp error detection is executed, the followings occur.
  • Page 13 LC-13B2H/M [7] PUBLIC MODE • How to enter into PUBLIC MODE 1. Turn off TV by pressing MAIN POWER switch. 2. While pressing at same time VOL(+) key and CH(ù) key, press MAIN POWER switch. For more than 2 seconds.

  • Page 14: Trouble Shooting Table

    LC-13B2H/M TROUBLE SHOOTING TABLE...
  • Page 15 LC-13B2H/M TROUBLE SHOOTING TABLE (Continued)
  • Page 16 LC-13B2H/M TROUBLE SHOOTING TABLE (Continued)
  • Page 17 LC-13B2H/M - M E M O -...

  • Page 18: Chassis Layout

    LC-13B2H/M CHASSIS LAYOUT MAIN Unit (Side-A) MAIN Unit (Side-B)
  • Page 19 LC-13B2H/M JACK Unit OPERATION Unit R/C RESEIVER Unit TERMINAL Unit...

  • Page 20: Block Diagram

    LC-13B2H/M LC-13B2H/M BLOCK DIAGRAM TERMINAL UNIIT JACK UNIT L1, R1 TV-V S-VIDEO TUNER SY, SC TU3201 INPUT INVERTER LAMPS Q5701, Q5702 V2/VO T5701, T5702 COLD AUDIO VIDEO INPUT IN/OUT IN/OUT OUTPUT SWITCH SWITCH IC3501 Q3501-Q3505 Q3500 LAMP CHECK MAIN UNIT...

  • Page 21: Description Of Schematic Diagram

    LC-13B2H/M DESCRIPTION OF SCHEMATIC DIAGRAM [Item] IMPORTANT SAFETY NOTICE: å PARTS MARKED WITH " " ( ) ARE Resistors INPORTANT FOR MAINTAINING THE SAFETY OF Nonindication Carbon-film resistor THE SET. Solid resistor BE SURE TO REPLACE THESE PARTS WITH Metal-oxide-film resistor...

  • Page 22: Schematic Diagrams

    LC-13B2H/M SCHEMATIC DIAGRAMS Ë OPERATION and R/C RECEIVER Unit OPERATION Unit R/C RECEIVER Unit...
  • Page 23 LC-13B2H/M LC-13B2H/M Ë MAIN Unit -1/4 24~25...
  • Page 24 LC-13B2H/M LC-13B2H/M Ë MAIN Unit -2/4 26~27...
  • Page 25 LC-13B2H/M LC-13B2H/M Ë MAIN Unit -3/4 28~29...
  • Page 26 LC-13B2H/M LC-13B2H/M Ë MAIN Unit -4/4 30~31...
  • Page 27 LC-13B2H/M LC-13B2H/M Ë TERMINAL Unit -1/2 å AND SHADED COMPONENTS=SAFETY RELATED PARTS å å 32~33...
  • Page 28 LC-13B2H/M LC-13B2H/M Ë TERMINAL Unit -2/2 å AND SHADED COMPONENTS=SAFETY RELATED PARTS å 34~35...
  • Page 29 LC-13B2H/M LC-13B2H/M Ë JACK Unit å AND SHADED COMPONENTS=SAFETY RELATED PARTS å 36~37...

  • Page 30: Printed Wiring Board Assemblies

    LC-13B2H/M PRINTED WIRING BOARD ASSEMBLIES Main Unit (Side-A)
  • Page 31 LC-13B2H/M Main Unit (Side-B)

  • Page 32: Terminal Unit

    LC-13B2H/M Terminal Unit (Side-A)
  • Page 33 LC-13B2H/M Terminal Unit (Side-B)

  • Page 34: Operation Unit

    LC-13B2H/M R/C Receiver Unit (Side-A) Operation Unit (Side-A) Jack Unit (Side-A)
  • Page 35 LC-13B2H/M R/C Receiver Unit (Side-B) Operation Unit (Side-B) Jack Unit (Side-B)
  • Page 36 LC-13B2H/M - M E M O -...
  • Page 37 LC-13B2H/M PARTS LIST Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKA562FE04 PARTS REPLACEMENT MAIN PWB UNIT Replacement parts which have these special safety character- INTEGRATED CIRCUITS istics identified in this manual: electrical components having IC401...
  • Page 38 LC-13B2H/M Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKA562FE04 C1120 VCKYCY1EF104Z J 0.1 25V Ceramic MAIN PWB UNIT(Continued) C1122 VCKYTV1CF105Z 16V Ceramic C1123 VCKYCY1EF104Z J 0.1 25V Ceramic C406 VCKYTV1AB105K 10V Ceramic C1124 VCKYCY1EF104Z J 0.1...
  • Page 39 LC-13B2H/M Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKA562FE04 R1218 VRS-CA1JF101J J 100 1/16W Metal Oxide AA MAIN PWB UNIT(Continued) R1219 VRS-CY1JF000J 1/16W Metal Oxide AA R1220 VRS-CY1JF472J J 4.7k 1/16W Metal Oxide AA R814 VRS-CY1JF332J J 3.3k 1/16W Metal Oxide AA...
  • Page 40 LC-13B2H/M Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB001DE01 CONTROL TERMINAL PWB UNIT(Continued) R3760 RVR-M8026TAZZ J Variable Resistor INTEGRATED CIRCUITS CAPACITORS IC3301 VHiNJM4560M-1 J NJM4560M C3201 VCKYCY1HB102K J 1000p 50V Ceramic IC3302 VHiNJM4560M-1 J NJM4560M, 1.5KHz BEF...
  • Page 41 LC-13B2H/M Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB001DE01 R3320 VRS-CY1JF393F J 39k 1/16W Metal Oxide AA TERMINAL PWB UNIT(Continued) R3321 VRS-CY1JF433F J 43k 1/16W Metal Oxide AA R3322 VRS-CY1JF183J J 18k 1/16W Metal Oxide AA C3375 VCKYCY1EB223K J 0.022 25V Ceramic...
  • Page 42 LC-13B2H/M Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB001DE01 R3767 VRS-TW2ED000J 1/4W Metal Oxide AB TERMINAL PWB UNIT(Continued) BALUNES R3528 VRS-CY1JF821J J 820 1/16W Metal Oxide AA FB3301 RBLN-0006TAZZ J Balun, BLN-0006TA R3529 VRS-CY1JF821J J 820 1/16W Metal Oxide AA...

  • Page 43: Ë Supplied Accessories Parts

    Description Code DUNTKB003DE01 SUPPLIED ACCESSORIES JACK PWB UNIT TRANSISTORS LHLDW0109CESA J Cable Clamp, x2 Q5701 VSFZT1053A/-1 J FZT1053A å QACCB0016TAZZ J AC Cord(LC-13B2H) Q5702 VSFZT1053A/-1 J FZT1053A å QACCK0002TAZZ J AC Cord(LC-13B2M) Q5703 VS2SA1162Y/-1 J 2SA1162Y å QACCL0020TAZZ J AC Cord(LC-13B2M X )

  • Page 44: Ë Cabinet Parts List

    CCABB2316CE04 J Rear Cabinet Ass’y (LC-13B2M/M X ) Not Available – Rear Cabinet — LANGT9024CEFW J Fixing Metal HiNDP5861CESA J Model Indicator(LC-13B2H) AG HiNDP5863CESA J Model Indicator (LC-13B2M/M X ) XEBSD30P08000 J Screw, x1 CDAi-1124CE04 J Stand Ass’y Not Available –...

  • Page 45: Ë Cabinet And Mechanical Parts

    LC-13B2H/M CABINET AND MECHANICAL PARTS Ref. No. Part No. Description Code Ref. No. Part No. Description Code 1-11 1-10 OPERATION Unit 1-13 1-12 1-12 1-13 1-11 1-13 1-12 JACK Unit 1-13 1-12 MAIN Unit R/C RECEIVER Unit TERMINAL Unit...
  • Page 46 LC-13B2H/M Ref. No. Part No. Description Code Ref. No. Part No. Description Code 3-10 3-12 3-16 3-13 3-16 3-15 3-11 3-12 3-12 3-15 3-14...

  • Page 47: Packing Of The Set

    LC-13B2H/M PACKING OF THE SET Ref. No. Part No. Description Code Ref. No. Part No. Description Code TiNS-7507CEZZ(LC-13B2H) TiNS-7508CEZZ(LC-13B2M/M X ) (Operation Manual) SSAKA0160CEZZ LHLDW0109CESA (Operation Manual (Cable Clamp) (2 pcs.) Polyethylene Bag) Dry Battery (2 pcs.) å QACCB0016TAZZ(LC-13B2H) QACCK0002TAZZ(LC-13B2M)
  • Page 48 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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