Sharp LC-13AV6U Service Manual
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Sharp LC-13AV6U Service Manual

Sharp LC-13AV6U Service Manual

Lcd color 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 ........................................................................................................................................5
» OPERATION MANUAL .................................................................................................................................6
» DIMENSIONS ...............................................................................................................................................8
» REMOVING OF MAJOR PARTS ..................................................................................................................9
» ADJUSTING PROCEDURE OF EACH SECTION ..................................................................................... 13
» PUBLIC MODE SETTING PROCEDURE ..................................................................................................24
» TROUBLE SHOOTING TABLE ..................................................................................................................29
» MAJOR IC INFORMATIONS ...................................................................................................................... 32
» BLOCK DIAGRAM ......................................................................................................................................34
» OVERALL WIRING DIAGRAM ...................................................................................................................36
» DESCRIPTION OF SCHEMATIC DIAGRAM ............................................................................................. 38
ËR/C, LED Unit ..........................................................................................................................................39
ËSUB Unit ..................................................................................................................................................40
ËMAIN Unit .................................................................................................................................................48
ËOPERATION Unit .....................................................................................................................................58
» PRINTED WIRING BOARD ASSEMBLIES ................................................................................................59
» REPLACEMENT PARTS LIST.................................................................................................................... 72
» PACKING OF THE SET ..............................................................................................................................83
LCD COLOR TELEVISION
LC-13AV6U
MODEL
CONTENTS
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
LC-13AV6U
N46A3LC13AV6U
Page

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Summary of Contents for Sharp LC-13AV6U

  • Page 1: Table Of Contents

    LC-13AV6U N46A3LC13AV6U LCD COLOR TELEVISION LC-13AV6U 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. CONTENTS Page »...

  • Page 2: Important Service Safety Precaution

    LC-13AV6U IMPORTANT SERVICE SAFETY PRECAUTION Ë Service work should be performed 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 LC-13AV6U PRECAUTIONS A PRENDRE LORS DE LA REPARATION Ë La réparation ne peut être effectuée que par un technicien spécialisé qui s'est parfaitement accoutumé à toute vérification de sécurité et aux conseils suivants. AVERTISSEMENT conduite électrique ou une prise de terre branchée à la terre.
  • Page 4 LC-13AV6U Precautions for using lead-free solder 1 Employing lead-free solder "All 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.

  • Page 5: Specifications

    +32°F to +104°F (0°C to +40°C) Ë As a part of policy of continuous improvement, SHARP reserves the right to make design and specification changes for product improve- ment without prior notice. The performance specification figures indicated are nominal values of production units. There may be some...

  • Page 6: Operation Manual

    LC-13AV6U OPERATION MANUAL...
  • Page 7 LC-13AV6U...

  • Page 8: Dimensions

    LC-13AV6U DIMENSIONS Unit: inch (mm)

  • Page 9: Removing Of Major Parts

    LC-13AV6U REMOVING OF MAJOR PARTS 1. Remove the stand fixing screws (4 pcs.). 2. Remove the cabinet B fixing screws (6 pcs.). 3. Remove the cabinet B after opening from the direction of an arrow. 4. Detach the connector from each PWB.
  • Page 10 LC-13AV6U 5. Remove the 2 lock screws from the main PWB and undo the hooks a. Detach the chassis frame, together with its terminals, from the main PWB. 6. Remove the 2 lock screws from the sub PWB and undo the hooks b, c and d. Detach the chassis frame together with its terminals, from the sub PWB.
  • Page 11 LC-13AV6U » 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 electro-conductive mat. 4. Be careful not to fall, shake and shock the panels.
  • Page 12 LC-13AV6U » Precautions at the time of the side-B(back) service of main and sub unit. 1. Remove the FPC for connection between Main unit (SC1701) and LCD panel (CN1), and connect the extended cable (QCNW-C458WJQZ) for service. 2. Remove only SC1201 side of the lead from between Main unit (SC1201) and Sub unit (P7301), and connect the extended cable (QCNW-C461WJQZ) for service.

  • Page 13: Adjusting Procedure Of Each Section

    LC-13AV6U ADJUSTING PROCEDURE OF EACH SECTION The best adjustment is made before shipping. If any position deviation is found or after part replacement is performed, adjust as follows. 1. Preparations (1) Plug the AC power cord directly into a wall outlet.
  • Page 14 LC-13AV6U [4] Initialization 4-1. Ground pins (81) and (82) of IC2003 (microprocessor) and turn on the power. 4-2. Make sure the screen size is set at 13 inches. 4-3. Make sure the model number is "A630A". (Adjustment Process Menu Page 1)
  • Page 15 LC-13AV6U 5-3. White balance adjustment 1) Adjustment procedure Adjust the RGB CUTOFF2 setting for white 40% first and then the RGB-GAIN setting for white 80%. (1) Adjusting the test signal [Input signal] White 80% (191 gradations) for the left of screen, and white 40% (92 gradations) for the right.
  • Page 16 LC-13AV6U 6-2. Description of Factory Settings. Setting content/range Initial Value (AV1) (AV2) (COMPONENT1) MENU PICTURE AV MODE STANDARD/DYNAMIC/DYNAMIC(FIXED)/MOVIE/GAME DYNAMIC DYNAMIC DYNAMIC DYNAMIC BACKLIGHT BRIGHT/NORMAL/DARK/VARIABLE BRIGHT (STANDARD) (DYNAMIC) (DYNAMIC(FIXED) (MOVIE) (GAME) 1 (DARK) ~9 (NORMAL)~17 (BRIGHT) CONTRAST 0~60 BRIGHTNESS -30~+30 -30~+30...
  • Page 17 LC-13AV6U LIST OF THE ADJUSTMENT PROCESS MODE MENU " For calling the adjustment process mode and keying in this mode, refer back to ADJUSTING PROCEDURE OF " EACH SECTION ADJUSTMENT PROCESS 1st LEVEL ITEM DEFAULT TABLE Initial Response precautions on servicing Page No.
  • Page 18 TINT SETTING (TV) Change to 140 N358 AV TINT TINT SETTING (COMPOSITE, S VIDEO) Change to 155 N358 TV SHARP V V PICTURE QUALITY SETTING (TV) NOT USED N358 AV SHARP V V PICTURE QUALITY SETTING (COMPOSITE, S VIDEO) NOT USED...
  • Page 19 COLOR DENSITY SETTING (COMPOSITE, S VIDEO) NOT USED N443 AV TINT TINT SETTING (COMPOSITE, S VIDEO) NOT USED N443 AV SHARP V V PICTURE QUALITY SETTING (COMPOSITE, S VIDEO) NOT USED N443 AV SHARP H1 H PICTURE QUALITY SETTING 1 (COMPOSITE, S VIDEO)
  • Page 20 PAL-N TV TINT TINT SETTING (TV) NOT USED PAL-N AV TINT TINT SETTING (COMPOSITE, S VIDEO) NOT USED PAL-N TV SHARP V V PICTURE QUALITY SETTING (TV) NOT USED PAL-N AV SHARP V V PICTURE QUALITY SETTING (COMPOSITE, S VIDEO) NOT USED...
  • Page 21 NOT USED 1125I COLOR COLOR DENSITY SETTING (Component) NOT USED 1125I TINT TINT SETTING (Component) NOT USED 1125I SHARP V V PICTURE QUALITY SETTING (Component) NOT USED 1125I SHARP H1 H PICTURE QUALITY SETTING 1 (Component) NOT USED 1125I SHARP H2...
  • Page 22 LC-13AV6U ADJUSTMENT PROCESS TUNER ITEM DEFAULT TABLE Initial Response precautions on servicing Page No. Item Function Value (Do not change other items than designated.) TUNER SETTINGS TUNER1 AFT UP 1.80 AFT VOLTAGE REFERENCE LEVEL (ALL BANDS) NOT USED AFT DOWN 1.20...
  • Page 23 LC-13AV6U TEST PATTERN IN THE ADJUSTMENT PROCESS MODE IC1202 (LCD controller) test pattern 1) Getting the test pattern displayed Call the adjustment process mode, select "DVP" on page 4, and press the ENTER button. Next select "DVP TEST PATTERN" in line 2 on page 1. (The "DVP TEST PATTERN" turns yellow.) Now use the cursor RIGHT/ LEFT keys to get the test pattern displayed.

  • Page 24: Public Mode Setting Procedure

    LC-13AV6U PUBLIC MODE SETTING PROCEDURE 1. How to start Public Mode » There are the following two ways to get the public mode setup screen displayed. 1 In the adjustment process mode, turn on "PUBLIC MODE". Also press the "CH (ù)" and "VOL (+)" keys on the set at once and turn on the power.
  • Page 25 LC-13AV6U 2. How to exit Public Mode There are the following ways to quit the public mode setup screen. » Turn off "PUBLIC MODE" in the adjustment process mode. (✩) ← This way alone is not for quitting the setup screen, but for quitting the mode itself.
  • Page 26 LC-13AV6U 5. On Setting Items * "EZ-SETUP" discussed below indicates "EZ-SETUP after the first power-on". (1) MAXIMUM VOLUME Selection Adjustment from 0 to 60 (no loop) Default Explanation Sound volume can not be adjusted higher than the preset value. Limit in Setting »...
  • Page 27 LC-13AV6U (5) PANEL BUTTON " " " " Selection Selection between Respond No respond (loop provide) Default Respond Explanation All the operations by keys (except the power key) of the unit can be invalidated. Limit in Setting Exception » Inspection mode and public menu mode can be started irrespective of setting.
  • Page 28 LC-13AV6U (8) INPUT MODE START Selection Selection between "Normal" , "TV (CH~)" , "COMPONENT" , "AV1" and "AV2" (loop provide) Default Normal Explanation In power-ON, the input source to be started or channel can be set. (In standard mode, the operation follows the last memory.) About options All the input sources in the model are made selectable.

  • Page 29: Trouble Shooting Table

    LC-13AV6U TROUBLE SHOOTING TABLE...

  • Page 30: Trouble Shooting Table

    LC-13AV6U TROUBLE SHOOTING TABLE (Continued)
  • Page 31 LC-13AV6U TROUBLE SHOOTING TABLE (Continued)

  • Page 32: Major Ic Informations

    LC-13AV6U MAJOR IC INFORMATIONS IC2003 (IXA630WJ) • Description of Pins Pin No. Pin Name Pin Name Function TB1in CSYNC Composite sync signal TB0in IREM1 Remote control signal BYTE BYTE Connected to GND CNVss CNVss Connected to GND (connected to Vcc1 for CNVSS at flash write)
  • Page 33 LC-13AV6U Pin No. Pin Name Pin Name Function SP_MUTE1 Main speaker mute HP DET Headphones detect VSH_IN Panel gate driver voltage confirm L MUTE Line out audio mute SRESET Audio IC reset output Xcc2 Vcc2 Power input TCON_OUT_OTL DVP control output control...

  • Page 34: Block Diagram

    LC-13AV6U BLOCK DIAGRAM LCD_Panel MAIN_PWB SUB_PWB RCRSCA097WJZZ 5V→3V × IMZ1A To Main Micom 54MHz CVBS-in RED,GREEN,BLUE LCD Panel Module VIDEO IC1701 13pin (IXB075WJ) U/V TUNER CVBS-in RSDS CK,SP 40pin S-IF SIF AMP Y-in 42pin IC1004 I2C(33V) T-CON (IXB150WJ) C-in 31pin...

  • Page 35: Overall Wiring Diagram

    LC-13AV6U OVERALL WIRING DIAGRAM...

  • Page 36: Description Of Schematic Diagram

    LC-13AV6U DESCRIPTION OF SCHEMATIC DIAGRAM VOLTAGE MEASUREMENT CONDITION: 1. The voltages at test points are measured on the stable supply voltage of AC 120V. Signals are fed by a color bar signal generator for servicing purpose and the above voltages are measured with a 20k ohm/V tester.

  • Page 37: Schematic Diagram

    LC-13AV6U SCHEMATIC DIAGRAM Ë R/C, LED Unit...

  • Page 38: Ësub Unit

    LC-13AV6U ËSUB Unit-1/4...
  • Page 39 LC-13AV6U ËSUB Unit-2/4...
  • Page 40 LC-13AV6U ËSUB Unit-3/4...
  • Page 41 LC-13AV6U ËSUB Unit-4/4...

  • Page 42: Ëmain Unit

    LC-13AV6U ËMAIN Unit-1/5...
  • Page 43 LC-13AV6U ËMAIN Unit-2/5...
  • Page 44 LC-13AV6U ËMAIN Unit-3/5...
  • Page 45 LC-13AV6U ËMAIN Unit-4/5...
  • Page 46 LC-13AV6U ËMAIN Unit-5/5...

  • Page 47: Ëoperation Unit

    LC-13AV6U Ë OPERATION Unit...

  • Page 48: Printed Wiring Board Assemblies

    LC-13AV6U PRINTED WIRING BOARD ASSEMBLIES OPERATION Unit (Wiring Side) (QPWBFD369WJN1) TL4219 TL4206 TL4213 TL4207 TL4208 TL4215 R4202 TL4212 TL4216 R4204 TL4217 R4205 TL4209 R4201 TL4218 TL4211 TL4210 R4203 cam2 cam1 TL4214 OPERATION Unit (Chip Parts Side) (QPWBFD369WJN1) R/C, LED Unit (Wiring Side)
  • Page 49 LC-13AV6U SUB Unit (Wiring Side) (QPWBFD368WJN1)
  • Page 50 LC-13AV6U cam1 TL3603 R3602 Q3601 TL7314 TL7302 TL7739 D7308 TL7305 C7311 C7301 C6703 R6703 TL3604 TL3606 R3603 R7309 Q7301 R7301 TL7301 Q6702 D3602 C7304 C6725 Q3602 Q7303 R7302 TL7307 R6702 C7308 R7332 TL7311 C7309 R7312 TL7303 TL3601 IC7301 TL6715 Q7305...
  • Page 51 LC-13AV6U MAIN Unit (Side-A)
  • Page 52 LC-13AV6U R1203 R1238 Q1216 R1288 C1267 C1228 SC1701 R1243 C1269 SC2003 C1232 C1268 C1735 C1733 R1219 R1074 IC1201 C1073 R1069 C1072 R1070 C1071 R1055 C1069 C1070 C1068 R1054 C1067 R1285 R1284 C1066 R1053 C1065 IC1004 R1276 C1063 C1061 C1249 R1275...
  • Page 53 LC-13AV6U MAIN Unit (Side-B)
  • Page 54 LC-13AV6U TL1750 TL1733 TL1741 TL1745 TL1705 TL1711 TL1715 TL1721 TL1727 TL1701 C1277 R1213 TL1708 TL1714 TL1720 TL1726 TL1732 TL1736 TL1744 TL1754 TL2032 TL1702 TL1707 TL1713 TL1718 TL1724 TL1730 TL1737 TL1743 TL1748 R2011 C1734 Q1226 TL1751 Q1225 TL1704 TL1710 TL1716 TL1722...

  • Page 55: Replacement Parts List

    2. NO. DE REF 3. NO. DE PIECE 4. DESCRIPTION in USA: Contact your nearest SHARP Parts Distributor to order. For in CANADA: Contact SHARP Electronics of Canada Limited location of SHARP Parts Distributor, Please call Toll-Free; Phone (416) 890-2100...
  • Page 56 LC-13AV6U Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD368WEF8 C3306 VCESKA1HM105M+ J 1 Electrolytic C3307 VCESKA1HM105M+ J 1 Electrolytic SUB Unit (Continued) C3308 VCKYCY1HB102KY J 1000p 50V Ceramic C3309 VCKYCY1HB102KY J 1000p 50V Ceramic D3306 RH-EX0640GEZZY J Zener Diode, 12V...
  • Page 57 LC-13AV6U Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD368WEF8 R5009 VRS-TQ2BD750JY J 75 1/8W Metal Oxide R5011 VRS-CY1JF101JY J 100 1/16W Metal Oxide SUB Unit (Continued) R5012 VRS-CY1JF101JY J 100 1/16W Metal Oxide R6700 VRD-RA2EE821JY...
  • Page 58 LC-13AV6U Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD368WEF8 HM7728 LX-GZ3002PEZZ J Screw HM7729 LX-GZ3002PEZZ J Screw SUB Unit (Continued) HM7730 LX-GZ3002PEZZ J Screw HM7731 LX-GZ3002PEZZ J Screw HM7732 LX-GZ3002PEZZ J Screw R7758 VRD-RA2BE000JY 1/8W...

  • Page 59: Main Unit

    LC-13AV6U Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD369WEF8 DUNTKD424FMF8 OPERATION Unit MAIN Unit DIODES TUNER D4201 RH-EX0610GEZZY J Zener Diode, 4.7V NOTE: THE PARTS HERES SHOWN ARE SUPPLIED AS AN ASSEMBLY BUT NOT INDEPENDENTLY.
  • Page 60 LC-13AV6U Ref. No. Part No. Description Code Ref. No. Part No. Description Code C1077 VCKYCZ1AB333KY J 0.033 10V Ceramic DUNTKD424FMF8 C1078 VCKYCZ1AB333KY J 0.033 10V Ceramic MAIN Unit (Continued) C1079 VCKYCZ1AB333KY J 0.033 10V Ceramic C1080 VCKYCZ1AB333KY J 0.033 10V Ceramic C1081 VCKYCZ1AB333KY J 0.033 10V...
  • Page 61 LC-13AV6U Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD424FMF8 R1031 VRS-CY1JF000JY 1/16W Metal Oxide R1032 VRS-CY1JF000JY 1/16W Metal Oxide MAIN Unit (Continued) R1033 VRS-CY1JF000JY 1/16W Metal Oxide R1034 VRS-CY1JF000JY 1/16W Metal Oxide R1035 VRS-CY1JF000JY 1/16W Metal Oxide...
  • Page 62 LC-13AV6U Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD424FMF8 R1343 VRS-CY1JF102FY J 1k 1/16W Metal Oxide R1344 VRS-CY1JF183FY J 18k 1/16W Metal Oxide MAIN Unit (Continued) R1346 VRS-CY1JF682FY J 6.8k 1/16W Metal Oxide R1705 VRS-CY1JF000JY...
  • Page 63 LC-13AV6U Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD424FMF8 CABINET AND MECHANICAL PARTS MAIN Unit (Continued) FB1701 RBLN-0006TAZZY J Ferrite Bead CCABAA755WJ02 J Cabinet A Ass'y FB1702 RBLN-0006TAZZY J Ferrite Bead Not Available – Cabinet A —...
  • Page 64 LC-13AV6U CABINET AND MECHANICAL PARTS Operation PWB 5-2-6 R/C,LED PWB 5-2-5 5-2-3 5-2-1 5-2-4 5-2-2 3-5 3-4 Sub PWB Main PWB...

  • Page 65: Supplied Accessories

    LC-13AV6U Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET AND MECHANICAL PARTS SUPPLIED ACCESSORIES (Continued) RRMCGA457WJSA J Wireless Remote Control XHBS830P10000 J Screw, x1 TCADEA141WJZZ J Registration Card XHPS730P08WS0 J Screw, x4 TiNS-C351WJZZ J Operation Manual (English) AE QACCDA048WJPZ J AC Cord å...

  • Page 66: Packing Of The Set

    LC-13AV6U PACKING OF THE SET X2, X3, X4, X5...
  • Page 67 LC-13AV6U © COPYRIGHT 2006 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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