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Sharp LC-52SE941U-R Service Manual

Lcd color television
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LC-46SE941U-R/G
This model is based on the LC-46/52SE941U and is changed some parts. This Service Manual covers the modifica-
tions alone. For the other points, refer to the LC-46SE941U (No. S18D1LC46SE94) and LC-52SE941U (No.
SX7A6LC65SE94) Service Manual.
• The stand (ST52SE94) and speakers (SP46SE94) for Model LC-46SE941U-R/G are separately sold.
• The stand (ST52SE94) and speakers (SP52SE94) for Model LC-52SE941U-R/G are separately sold.
OUTLINE.................................................................... i
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-52SE941U-R/G
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-46SE941U-R
LC-46SE941U-G
LC-52SE941U-R
LC-52SE941U-G
MODELS
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
LC-46/52SE941U-R/G
No. S48J2LC46SE94

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Summary of Contents for Sharp LC-52SE941U-R

  • Page 1: Table Of Contents

    TopPage LC-46/52SE941U-R/G SERVICE MANUAL No. S48J2LC46SE94 LCD COLOR TELEVISION LC-46SE941U-R LC-46SE941U-G LC-52SE941U-R LC-46SE941U-R/G LC-52SE941U-R/G LC-52SE941U-G MODELS 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 This model is based on the LC-46/52SE941U and is changed some parts.

  • Page 2: Outline And Differences From Base Model

    LC-46/52SE941U-R/G LC-46/52SE941U-R/G OUTLINE AND DIFFERENCES FROM BASE MODEL Service Manual OUTLINE This model is based on the LC-46/52SE941U and is changed some parts. This Service Manual covers the modifications alone. For the other points, refer to the LC-46SE941U (No. S18D1LC46SE94) and LC-52SE941U (No. SX7A6LC65SE94) Service Manual. •...
  • Page 3 LC-46/52SE941U-R/G LC-46SE941U LC-46SE941U-R/G Ref. No. Description Note (No. S18D1LC46SE94) (No. S48J2LC46SE94) R8169 Resistor VRK-SB1FF220JY VRS-CG1JF220JY Change R8170 Resistor VRK-SB1FF220JY VRS-CG1JF220JY Change R8171 Resistor VRK-SB1FF220JY VRS-CG1JF220JY Change R8172 Resistor VRK-SB1FF220JY VRS-CG1JF220JY Change R8173 Resistor VRK-SB1FF220JY VRS-CG1JF220JY Change R8174 Resistor VRK-SB1FF220JY VRS-CG1JF220JY Change R8175 Resistor...
  • Page 4 LC-46/52SE941U-R/G LC-46SE941U LC-46SE941U-R/G Ref. No. Description Note (No. S18D1LC46SE94) (No. S48J2LC46SE94) R8263 Resistor VRK-SB1FF220JY VRS-CG1JF220JY Change R8264 Resistor VRK-SB1FF220JY VRS-CG1JF220JY Change R8265 Resistor VRK-SB1FF220JY VRS-CG1JF220JY Change R8266 Resistor VRK-SB1FF220JY VRS-CG1JF220JY Change R8268 Resistor VRK-SB1FF680JY VRS-CG1JF680JY Change R8269 Resistor VRK-SB1FF220JY VRS-CG1JF220JY Change Cool Sheet PSPAZB775WJKZ...

  • Page 5: List Of Changed Parts (Lc-52Se941U-R/G)

    LC-46/52SE941U-R/G LIST OF CHANGED PARTS (LC-52SE941U-R/G) LC-52SE941U LC-52SE941U-R/G Ref. No. Description Note (No. SX7A6LC65SE94) (No. S48J2LC46SE94) PRINTED WIRING BOARD ASSEMBLIES ← SPEAKER-L Unit DUNTKD744WE01 Some parts changed ← SPEAKER-R Unit DUNTKD745WE01 Some parts changed ← TERMINAL Unit DUNTKE208FM02 Some parts changed ←...
  • Page 6 LC-46/52SE941U-R/G LC-52SE941U LC-52SE941U-R/G Ref. No. Description Note (No. SX7A6LC65SE94) (No. S48J2LC46SE94) R8188 Resistor VRK-SB1FF680JY VRS-CG1JF680JY Change R8189 Resistor VRK-SB1FF680JY VRS-CG1JF680JY Change R8190 Resistor VRK-SB1FF680JY VRS-CG1JF680JY Change R8191 Resistor VRK-SB1FF680JY VRS-CG1JF680JY Change R8192 Resistor VRK-SB1FF680JY VRS-CG1JF680JY Change R8193 Resistor VRK-SB1FF680JY VRS-CG1JF680JY Change R8194 Resistor...

  • Page 7: Safety Precaution Important Service Safety Precaution

    LC-46/52SE941U-R/G LC-46/52SE941U-R/G 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 8: Precautions A Prendre Lors De La Reparation

    LC-46/52SE941U-R/G 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 9: Precautions For Using Lead-Free Solder

    LC-46/52SE941U-R/G 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 10: Precautions In Servicing The Hdcp-Key Rom

    LC-46/52SE941U-R/G PRECAUTIONS IN SERVICING THE HDCP-KEY ROM Applied part: HDCP-KEY ROM IC8451 RH-IXC318WJQZY (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 11: Parts Guide

    LC-46/52SE941U-R/G PartsGuide PARTS GUIDE No. S48J2LC46SE94 LC-46SE941U-R LC-46SE941U-G Note: LC-52SE941U-R The reference numbers on the PWB LC-52SE941U-G are arranged in alphabetical order. MODELS CONTENTS [10] SUPPLIED ACCESSORIES PRINTED WIRING BOARD ASSEMBLIES [11] PACKING PARTS (NOT REPLACEMENT ITEM) LCD PANEL (NOTE: THE PARTS HERE SHOWN ARE SUPPLIED AS AN ASSEMBLY [12] SERVICE JIG (USE FOR SERVICING)
  • Page 12 LC-46/52SE941U-R/G PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [1] PRINTED WIRING BOARD ASSEMBLIES SPEAKER-L Unit DUNTKD744WE01 SPEAKER-R Unit DUNTKD745WE01 TERMINAL Unit DUNTKE208FM02 R/C, LED Unit DUNTKE264FM11 KEY Unit DUNTKE266FM02 DKEYME421FM04 MAIN Unit (BQC) (LC-46SE941U-R/G) MAIN Unit (BQC) (LC-52SE941U-R/G) DKEYME421FM03 SIDE Unit DUNTKE488FM04 POWER Unit...
  • Page 13 LC-46/52SE941U-R/G PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [6] DKEYME421FM04 (LC-46SE941U-R/G)/DKEYME421FM03 (LC-52SE941U-R/G) (MAIN Unit) R8213 Resistor, 22 1/16W Metal Oxide VRS-CG1JF220JY R8214 Resistor, 22 1/16W Metal Oxide VRS-CG1JF220JY R8228 Resistor, 68 1/16W Metal Oxide VRS-CG1JF680JY R8230 Resistor, 68 1/16W Metal Oxide VRS-CG1JF680JY R8231 Resistor, 68 1/16W Metal Oxide...
  • Page 14 LC-46/52SE941U-R/G [7] NOTE (Temperature-proof cover) Added covers parts Cover parts code: PSPAGA386WJ00 Q'ty 4 LC-46SE941U-R/G Cover parts code: PSPAKA237WJ00 Q'ty 1 LC-52SE941U-R/G Attention Please peel off the covers when you remove Rear Cabinet. And please use the NEW cover when you install Rear Cabinet. (When using the cover again, keep in mind the decrease in the adhesive power of the cover.
  • Page 15 LC-46/52SE941U-R/G [8] CABINET AND MECHANICAL PARTS (LC-46SE941U-R/G) SPEAKER-L Unit SPEAKER-R Unit 1-15 1-12 1-13 1-11 1-12 1-12 1-11 1-13 1-10 R/C, LED Unit 1-14 1-11 1-12 1-11 1-10 MAIN Unit AC INLET Unit KEY Unit POWER Unit SIDE Unit TERMINAL Unit...
  • Page 16 CCABAB977WJ04 Front Cabinet Not Available Front Cover (Upper) Not Available Front Cover (Lower) Not Available Front Cover (Side), x2 Not Available Badge, SHARP Not Available LED Decoration Not Available Corner Decoration, x4 HDECQA840WJKA Not Available Corner Decoration, x4 Not Available...
  • Page 17 LC-46/52SE941U-R/G PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [8] CABINET AND MECHANICAL PARTS (LC-46SE941U-R/G) Connecting Cord (LA1) QCNW-G967WJQZ Connecting Cord (LP/PL) QCNW-G965WJQZ Spring Conductor QEARZ0057CEFW Connecting Cord (HM) QPWBHE322WJQZ Connecting Cord (LW) QPWBHE564WJQZ Not Available Serial No. Label (Back) Serial No.
  • Page 18 LC-46/52SE941U-R/G [9] CABINET AND MECHANICAL PARTS (LC-52SE941U-R/G) SP-L Unit SP-R Unit 1-15 1-12 1-14 1-10 1-12 1-12 1-10 1-14 1-11 1-13 1-10 R/C, LED Unit 1-12 1-10 1-11 MAIN Unit AC INLET Unit KEY Unit POWER Unit SIDE Unit TERMINAL Unit...
  • Page 19 CCABAB976WJ04 Front Cabinet Not Available Front Cover (Upper) Not Available Front Cover (Lower) Not Available Front Cover (Side), x2 Not Available Badge, SHARP Not Available LED Decoration Not Available Corner Decoration, x4 HDECQA840WJKA Not Available Corner Decoration, x4 Not Available...
  • Page 20 LC-46/52SE941U-R/G PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [9] CABINET AND MECHANICAL PARTS (LC-52SE941U-R/G) Connecting Cord (L1) QCNW-G905WJQZ Connecting Cord (LP/PL) QCNW-G965WJQZ Spring Conductor QEARZ0057CEFW Connecting Cord (HM) QPWBHE323WJQZ Connecting Cord (LW) QPWBHE564WJQZ Not Available Serial No. Label (Back) Serial No.
  • Page 21 LC-46/52SE941U-R/G [11] PACKING PARTS (NOT REPLACEMENT ITEM)
  • Page 22 LC-46/52SE941U-R/G PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [11] PACKING PARTS (NOT REPLACEMENT ITEM) Packing Case (Bottom) (LC-46SE941U-R/G) SPAKCD916WJZZ Packing Case (Bottom) (LC-52SE941U-R/G) SPAKCD913WJZZ Packing Case (Main) (LC-46SE941U-R/G) SPAKCE169WJZZ Packing Case (Main) (LC-52SE941U-R/G) SPAKCE168WJZZ Wrapping Paper (LC-46SE941U-R/G) SPAKPA999WJZZ Wrapping Paper (LC-52SE941U-R/G) SPAKPA992WJZZ Packing Add.
  • Page 23 LC-46/52SE941U-R/G MEMO © COPYRIGHT XXXX BYSHARP 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.
  • Page 24 LC-46/52SE941U-R/G 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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