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Sharp LC-32M44L Service Manual
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Sharp LC-32M44L Service Manual

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LC-32M44L
This model is based on the LC-32/37D44U and is changed some parts. This Service Manual covers the modifications
alone. For the other points, refer to the LC-32D44U (No. SY7C1LC32D44U) and LC-37D44U (No. S18D7LC37D44U)

Service Manual.

OUTLINE.................................................................... i
[1]
SPECIFICATIONS .................................................1-1
[1]
OPERATION MANUAL ..........................................2-1
[1]
DIMENSIONS ........................................................3-1
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
LC-37M44L
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

LCD COLOR TELEVISION

LC-32M44L
LC-37M44L
MODELS
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
LC-32/37M44L
No. S48J1LC32M44L

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Summary of Contents for Sharp LC-32M44L

  • Page 1: Table Of Contents

    For the other points, refer to the LC-32D44U (No. SY7C1LC32D44U) and LC-37D44U (No. S18D7LC37D44U) Service Manual. CONTENTS OUTLINE AND DIFFERENCES FROM BASE MODEL OUTLINE..............i LIST OF CHANGED PARTS (LC-32M44L)....i LIST OF CHANGED PARTS (LC-37M44L)....ii SAFETY PRECAUTION IMPORTANT SERVICE SAFETY PRECAUTION............iii PRECAUTIONS A PRENDRE LORS DE LA REPARATION ............

  • Page 2: Outline And Differences From Base Model

    This model is based on the LC-32/37D44U and is changed some parts. This Service Manual covers the modifications alone. For the other points, refer to the LC-32D44U (No. SY7C1LC32D44U) and LC-37D44U (No. S18D7LC37D44U) Service Manual. LIST OF CHANGED PARTS (LC-32M44L) LC-32D44U LC-32M44L Ref.

  • Page 3: List Of Changed Parts (Lc-37M44L)

    LC-32/37M44L LIST OF CHANGED PARTS (LC-37M44L) LC-37D44U LC-37M44L Ref. No. Description Note (No. S18D7LC37D44U) (No. S48J1LC32M44L) PRINTED WIRING BOARD ASSEMBLIES ← R/C, LED Unit DUNTKE264FM02 Some parts changed ← KEY Unit DUNTKE266FM02 — MAIN Unit DUNTKE450FM01 DUNTKE450FM03 Some parts changed POWER Unit RDENCA272WJQZ RDENCA270WJQZ...

  • Page 4: Safety Precaution Important Service Safety Precaution

    LC-32/37M44L LC-32/37M44L 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 • Use an AC voltmeter having with 5000 ohm per volt, or higher, sen- sitivity or measure the AC voltage drop across the resistor.

  • Page 5: Precautions A Prendre Lors De La Reparation

    LC-32/37M44L 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 6: Precautions For Using Lead-Free Solder

    LC-32/37M44L 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 7: Precautions In Servicing The Hdcp-Key Rom

    LC-32/37M44L PRECAUTIONS IN SERVICING THE HDCP-KEY ROM Applied part: HDCP-KEY ROM IC8451 RH-IXC373WJQZY (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 8: 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 9: Chapter 2. Operation Manual

    INPUT 2 terminals Antenna/Cable in INPUT 3 terminals The illustrations in this operation manual are for explanation purposes and may vary slightly from the actual operations. The examples used throughout this manual are based on the LC-32M44L model. 2 – 1...
  • Page 10 LC-32/37M44L 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 11: Quick Reference

    This TV should be mounted on the wall only with the Before performing work spread cushioning over the base AN-37AG5 (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 12 LC-32/37M44L 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 13 LC-32/37M44L PC Compatibility Chart It is necessary to set the PC correctly to display XGA and WXGA signal. Resolution Horizontal Frequency Vertical Frequency VESA Standard 720 x 400 31.5 kHz 70 Hz 31.5 kHz 60 Hz 640 x 480 37.9 kHz 72 Hz 37.5 kHz 75 Hz...

  • Page 14: Chapter 3. Dimensions

    LC-32/37M44L CHAPTER 3. LC-32/37M44L DIMENSIONS Service Manual [1] DIMENSIONS LC-32M44L (776) Unit: inch (mm) (699.2) (402) (200) (74) (94) (230) LC-37M44L (904) Unit: inch (mm) (824.4) (402) (71) (95) (200) (230) 3 – 1...

  • Page 15: Parts Guide

    LC-32/37M44L PartsGuide PARTS GUIDE No. S48J1LC32M44L LC-32M44L Note: The reference numbers on the PWB LC-37M44L are arranged in alphabetical order. MODELS CONTENTS SUPPLIED ACCESSORIES PRINTED WIRING BOARD ASSEMBLIES [10] PACKING PARTS (NOT REPLACEMENT ITEM) LCD PANEL (NOTE: THE PARTS HERE...
  • Page 16 RUNTKA418WJQZ RUNTKA419WJQZ POWER/INVERTER Unit (LC-32M44L) [2] LCD PANEL (NOTE: THE PARTS HERE SHOWN ARE SUPPLIED AS AN ASSEMBLY BUT NOT INDEPEN- DENTLY.) 32"LCD Panel Module Unit (LC-32M44L) R1LK315T3GW30Z 37"LCD Panel Module Unit (LC-37M44L) R1LK370T3GW20Z [3] DUNTKE264FM02 (R/C, LED Unit) Q102...
  • Page 17 LC-32/37M44L [5] NOTE (Conductive cloth tape/Gasket) (LC-32M44L) Added parts Conductive Cloth Tape Parts code: PSLDMB359WJZZ Q'ty 1 PSLDMB360WJZZ Q'ty 2 QEARZA123WJZZ Q'ty 3 PSLDMB361WJZZ Q'ty 2 PSLDMB362WJZZ Q'ty 2 Gasket Parts code: PMLT-A533WJZZ Q'ty 1 PMLT-A534WJZZ Q'ty 1 Bond Parts code:...
  • Page 18 LC-32/37M44L [6] CABINET AND MECHANICAL PARTS (LC-32M44L) KEY Unit R/C, LED Unit POWER/INVERTER Unit 47-2 47-3 MAIN Unit 47-1 47-3...
  • Page 19 LC-32/37M44L PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [6] CABINET AND MECHANICAL PARTS (LC-32M44L) Front Cabinet Ass'y CCABAB985WJ34 Front Cabinet Not Available Decoration Plate (Center) Not Available LED Decoration Not Available Speaker Net HPNLSA172WJKA Spacer, x2 PSPAHB406WJZZ Spacer, x2...
  • Page 20 LC-32/37M44L [7] NOTE (Conductive cloth tape/Gasket) (LC-37M44L) Added parts Conductive Cloth Tape Parts code: PSLDMB359WJZZ Q'ty 1 PSLDMB360WJZZ Q'ty 1 PSLDMB276WJKZ Q'ty 1 PSLDMB375WJKZ Q'ty 1 QEARZA123WJZZ Q'ty 1 PSLDMB361WJZZ Q'ty 2 PSLDMB362WJZZ Q'ty 2 Gasket Parts code: PMLT-A533WJZZ Q'ty 1 PMLT-A534WJZZ Q'ty 1 Bond...
  • Page 21 LC-32/37M44L [8] CABINET AND MECHANICAL PARTS (LC-37M44L) KEY Unit INVERTER Unit R/C, LED Unit POWER Unit 47-2 47-3 MAIN Unit 47-1 47-3...
  • Page 22 LC-32/37M44L PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [8] CABINET AND MECHANICAL PARTS (LC-37M44L) Front Cabinet Ass'y CCABAB986WJ34 Front Cabinet Not Available Decoration Plate (Center) Not Available LED Decoration Not Available Speaker Net HPNLSA173WJKA Spacer, x6 PSPAHB408WJZZ SP Spacer, x2 Not Available Spacer Not Available...
  • Page 23 LC-32/37M44L [9] SUPPLIED ACCESSORIES Cable Clamp AC Cord Remote Control Unit Operation Manual "AAA" Size Battery Stand Unit PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [9] SUPPLIED ACCESSORIES Cable Clamp LHLDWA173WJKZ AC Cord QACCZA076WJPZ Remote Control Unit RRMCGA667WJSA Operation Manual (English) TINS-D737WJZZ Operation Manual (Spanish) TINS-D738WJZZ...
  • Page 24 LC-32/37M44L [10] PACKING PARTS (NOT REPLACEMENT ITEM)
  • Page 25 LC-32/37M44L PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [10] PACKING PARTS (NOT REPLACEMENT ITEM) Packing Case (LC-32M44L) SPAKCE283WJZZ Packing Case (LC-37M44L) SPAKCE285WJZZ Stand Case SPAKCE206WJZZ Wrapping Paper (LC-32M44L) SPAKPB045WJZZ Wrapping Paper (LC-37M44L) SPAKPB046WJZZ Mirror Mat Sup SPAKPB053WJZZ Mirror Mat Base...
  • Page 26 LC-32/37M44L 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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