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SERVICE MANUAL

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.

This document has been published to be used for
after sales service only.
The contents are subject to change without notice.

OUTLINE AND DIFFERENCES FROM BASE MODEL

OUTLINE.................................................................... i

LIST OF CHANGED PARTS                                 

(LC-46SE941U-R/G) .................................................. i

LIST OF CHANGED PARTS                                 

(LC-52SE941U-R/G) ................................................ iv

SAFETY PRECAUTION

IMPORTANT SERVICE SAFETY 

PRECAUTION.......................................................... vi

PRECAUTIONS A PRENDRE LORS DE LA 

REPARATION ..........................................................vii

PRECAUTIONS FOR USING LEAD-FREE 

SOLDER .................................................................viii

PRECAUTIONS IN SERVICING THE HDCP-

KEY ROM................................................................. ix

Parts Guide

TopPage

CONTENTS

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

.

LC-46SE941U-R/G

LC-52SE941U-R/G

LCD COLOR TELEVISION

No. S48J2LC46SE94

LC-46/52SE941U-R/G

LC-46SE941U-R

LC-46SE941U-G

LC-52SE941U-R

LC-52SE941U-G

MODELS

OUTLINE

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.

Summary of Contents for LC-46SE941U-G

Page 1: ...VICING THE HDCP KEY ROM ix Parts Guide TopPage CONTENTS 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 LC 46SE941U R G LC 52SE941U R G LCD COLOR TELEVISION No S48J2LC46SE94 LC 46 52SE941U R G LC 46SE941U R LC 46SE941U G LC 52SE941U R LC 52SE941U G MODELS...

Page 2: ... QTANAA008WJZZ QTANAA013WJZZ Change SPEAKER R Unit J202 Jack QTANAA008WJZZ QTANAA013WJZZ Change TERMINAL Unit C539 Capacitor VCKYCY1EF104ZY Delete C543 Capacitor VCKYCY1EF104ZY Delete C547 Capacitor VCAAPF1CJ396MY Delete R C LED Unit Q102 Transistor VS2SC3928AR 1Y VSKTC3875SG 1Y Change Q103 Transistor VS2SC3928AR 1Y VSKTC3875SG 1Y Change Q104 Transistor VS2SC3928AR 1Y VSKTC3875SG 1Y Change Q106 Tr...

Page 3: ...G1JF220JY Change R8205 Resistor VRK SB1FF220JY VRS CG1JF220JY Change R8206 Resistor VRK SB1FF220JY VRS CG1JF220JY Change R8207 Resistor VRK SB1FF220JY VRS CG1JF220JY Change R8208 Resistor VRK SB1FF220JY VRS CG1JF220JY Change R8209 Resistor VRK SB1FF220JY VRS CG1JF220JY Change R8210 Resistor VRK SB1FF220JY VRS CG1JF220JY Change R8211 Resistor VRK SB1FF220JY VRS CG1JF220JY Change R8212 Resistor VRK ...

Page 4: ...r VRK SB1FF220JY VRS CG1JF220JY Change R8268 Resistor VRK SB1FF680JY VRS CG1JF680JY Change R8269 Resistor VRK SB1FF220JY VRS CG1JF220JY Change N Cool Sheet PSPAZB775WJKZ PSPAZB774WJKZ Change CABINET AND MECHANICAL PARTS Please refer to a Parts list PACKING PARTS AND ACCESSORIES Please refer to a Parts list Ref No Description LC 46SE941U No S18D1LC46SE94 LC 46SE941U R G No S48J2LC46SE94 Note ...

Page 5: ...R1413 Resistor VRK SB1FF220JY VRS CG1JF220JY Change R8151 Resistor VRK SB1FF220JY VRS CG1JF220JY Change R8152 Resistor VRK SB1FF220JY VRS CG1JF220JY Change R8153 Resistor VRK SB1FF220JY VRS CG1JF220JY Change R8154 Resistor VRK SB1FF220JY VRS CG1JF220JY Change R8155 Resistor VRK SB1FF220JY VRS CG1JF220JY Change R8156 Resistor VRK SB1FF220JY VRS CG1JF220JY Change R8157 Resistor VRK SB1FF220JY VRS CG...

Page 6: ...JY Change R8230 Resistor VRK SB1FF680JY VRS CG1JF680JY Change R8231 Resistor VRK SB1FF680JY VRS CG1JF680JY Change R8232 Resistor VRK SB1FF680JY VRS CG1JF680JY Change R8233 Resistor VRK SB1FF680JY VRS CG1JF680JY Change R8234 Resistor VRK SB1FF680JY VRS CG1JF680JY Change R8235 Resistor VRK SB1FF680JY VRS CG1JF680JY Change R8236 Resistor VRK SB1FF680JY VRS CG1JF680JY Change R8237 Resistor VRK SB1FF68...

Page 7: ...d measure the AC voltage drop across the resistor All checks must be repeated with the AC cord plug connection reversed If necessary a nonpolarized adaptor plug must be used only for the purpose of completing these checks Any reading of 0 75 Vrms this corresponds to 0 5 mA rms AC or more is excessive and indicates a potential shock hazard which must be corrected before returning the monitor to the...

Page 8: ...t de compartiment les réseaux de résistancecapacité les isolateurs mécaniques etc S assurer qu il n y ait pas de danger d électrocution en vérifiant la fuite de courant de la facon suivante Brancher le cordon d alimentation directem ent à une prise de cou rant de 110 240V 50 60Hz Ne pas utiliser de transformateur d isolation pour cet essai A l aide de deux fils à pinces brancher une résistance de ...

Page 9: ...lead solder by 40 C and as it has poor solder wettability you may be apt to keep the soldering bit in contact with the PWB for extended period of time However Since the land may be peeled off or the maximum heat resistance temperature of parts may be exceeded remove the bit from the PWB as soon as you confirm the steady soldering condition Lead free solder contains more tin and the end of the sold...

Page 10: ...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 For storing the service parts service units etc Applied part HDCP KEY ROM IC8451 RH IXC318WJQZY updated...

Page 11: ...al order No S48J2LC46SE94 LC 46SE941U R LC 46SE941U G LC 52SE941U R LC 52SE941U G MODELS PartsGuide 1 PRINTED WIRING BOARD ASSEMBLIES 2 LCD PANEL NOTE THE PARTS HERE SHOWN ARE SUPPLIED AS AN ASSEMBLY BUT NOT INDEPENDENTLY 3 DUNTKD744WE01 SPEAKER L Unit 4 DUNTKD745WE01 SPEAKER R Unit 5 DUNTKE264FM11 R C LED Unit 6 DKEYME421FM04 LC 46SE941U R G DKEYME421FM03 LC 52SE941U R G MAIN Unit 7 NOTE Temperat...

Page 12: ...220JY AA X Resistor 22 1 16W Metal Oxide R8170 VRS CG1JF220JY AA X Resistor 22 1 16W Metal Oxide R8171 VRS CG1JF220JY AA X Resistor 22 1 16W Metal Oxide R8172 VRS CG1JF220JY AA X Resistor 22 1 16W Metal Oxide R8173 VRS CG1JF220JY AA X Resistor 22 1 16W Metal Oxide R8174 VRS CG1JF220JY AA X Resistor 22 1 16W Metal Oxide R8175 VRS CG1JF220JY AA X Resistor 22 1 16W Metal Oxide R8176 VRS CG1JF220JY AA...

Page 13: ...241 VRS CG1JF680JY AA X Resistor 68 1 16W Metal Oxide R8242 VRS CG1JF680JY AA X Resistor 68 1 16W Metal Oxide R8243 VRS CG1JF680JY AA X Resistor 68 1 16W Metal Oxide R8244 VRS CG1JF680JY AA X Resistor 68 1 16W Metal Oxide R8255 VRS CG1JF220JY AA X Resistor 22 1 16W Metal Oxide R8257 VRS CG1JF220JY AA X Resistor 22 1 16W Metal Oxide R8258 VRS CG1JF220JY AA X Resistor 22 1 16W Metal Oxide R8259 VRS ...

Page 14: ...eel 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 The purpose of using the NEW cover is to prevent the cover from peeling off Added covers parts Ԙ Cover parts code PSPAGA386WJ00 Q ty 4 ԙ Cover parts code PSPAKA237WJ00 Q ty 1 LC 46SE941U R G LC 52SE941U R ...

Page 15: ...12 14 15 16 17 18 19 22 22 22 22 72 72 72 23 26 26 27 27 27 28 29 30 31 32 33 33 33 33 35 73 71 37 40 42 43 55 56 66 44 45 46 47 48 49 50 51 53 54 52 POWER Unit MAIN Unit AC INLET Unit SPEAKER L Unit SPEAKER R Unit R C LED Unit KEY Unit TERMINAL Unit SIDE Unit 58 60 61 65 57 59 57 59 59 59 59 59 59 59 59 59 59 59 59 59 59 34 62 62 69 70 64 64 64 64 36 21 22 75 22 24 24 25 38 74 41 1 8 1 12 1 8 1 1...

Page 16: ...143WJKZ AC J Wire Holder x6 7 4 LHLDWA151WJKZ AB J Wire Holder x5 7 5 LHLDWA172WJKZ AD J Wire Holder 7 6 LHLDWA175WJUZ AC J Wire Holder x5 7 7 LHLDWA176WJUZ AC J Wire Holder 8 GCOVAC576WJKZ AC J Hole Cover x4 9 GCOVAC592WJKA AU X Stand Assist Cover x2 10 PSPAZB812WJKZ AN X Cool Sheet x2 11 HINDPC661WJSA AE X Terminal Label Side 12 HINDPC792WJSA AE N X Model Label 13 LANGKB186WJ3W AX X Panel Suppor...

Page 17: ...AA J Screw for PWB x22 for Tray x32 60 XBPS830P06000 AA J Screw for HDMI x2 61 XBPS930P08WS0 AA X Screw for Mini AV PWB x2 62 XBPS940P10JS0 AB J Screw for CAB x7 63 PSLDMA731WJZZ AE J Conductor 64 XEBS940P16000 AB J Screw for CAB x14 65 XIPSN20P04000 AA J Screw for Mini HDMI x2 66 TLABK0023TAZZ AA J Bar Code Label 67 PSLDMB372WJZZ AC N X Conductor 68 RCORFA012WJZZ AG J Core for LC LA2 x2 69 PSPAKA...

Page 18: ...6 7 6 1 6 2 7 1 7 2 7 3 7 3 7 4 7 7 7 5 7 6 7 6 7 6 7 3 8 9 9 10 63 39 20 11 12 13 13 14 15 16 17 18 19 22 22 67 22 22 23 74 26 26 27 27 28 29 30 31 32 33 33 33 33 35 37 72 40 42 42 43 55 56 66 44 45 46 47 48 50 51 53 54 52 POWER Unit MAIN Unit AC INLET Unit SP L Unit SP R Unit R C LED Unit KEY Unit TERMINAL Unit SIDE Unit 57 57 58 60 61 65 59 59 57 59 57 59 75 75 76 68 59 59 59 59 59 59 59 59 59 ...

Page 19: ...JKZ AC J Wire Holder x6 7 4 LHLDWA151WJKZ AB J Wire Holder x5 7 5 LHLDWA172WJKZ AD J Wire Holder 7 6 LHLDWA175WJUZ AC J Wire Holder x5 7 7 LHLDWA176WJUZ AC J Wire Holder 8 GCOVAC576WJKZ AC J Hole Cover x4 9 GCOVAC592WJKA AU N X Stand Assist Cover Front x2 10 PSPAZB812WJKZ AN N X Cool Sheet 11 HINDPC661WJSA AE N X Terminal Label Side 12 HINDPC791WJSA AE N X Model Label 13 LANGKB185WJ3W AX X Panel S...

Page 20: ...SN20P04000 AA J Screw for MINI HDMI x2 66 TLABK0023TAZZ AA J Bar Code Label 67 XEBS930P08000 AA J Screw 68 PSLDMB350WJZZ AL X Conductor 69 PSPAKA237WJ00 AA X Spacer 70 XBSS840P10000 AB J Flat Head Screw 71 RCORF0107CEZZ AM J Core for US VD RA 72 RCORFA012WJZZ AG J Core for LC 73 PFLT A047WJZZ AE J Conductor 74 PSLDMA225WJZZ AE J Gasket 75 PSLDMA985WJZZ AD J Conductor x5 76 PSLDMB349WJZZ AH X Condu...

Page 21: ...LC 46 52SE941U R G 11 11 PACKING PARTS NOT REPLACEMENT ITEM S1 S7 S8 S6 S2 S3 S4 S4 S4 S4 S4 S4 S5 ...

Page 22: ...LC 46SE941U R S8 TLABMD068WJ3A N P Label LC 46SE941U G S8 TLABMD100WJ3A N P Label LC 52SE941U R S8 TLABMD101WJ3A N P Label LC 52SE941U G 12 SERVICE JIG USE FOR SERVICING N QCNW C222WJQZ AW J Connecting Cord 80pin L 1000mm x2 N LCD CONTROL to LCD Panel Unit N QCNW E068WJQZ AS J Connecting Cord 6pin L 1000mm N TERMINAL to POWER Unit PE N QCNW G186WJQZ BL J Connecting Cord 41pin L 600mm N MAIN to LCD...

Page 23: ...d 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 COPYRIGHT XXXX BYSHARP CORPORATION ALL RIGHTS RESERVED MEMO LC 46 52SE941U R G ...

Page 24: ...I KD 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 LC 46 52SE941U R G ...

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