Sharp Aquos LC 37GB5U Service Manual Download Page 1 | Manualshive

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Sharp Aquos LC 37GB5U Service Manual Download Page 1

LC-37GB5U

SERVICE MANUAL

LCD COLOR TELEVISION

MODEL

LC-37GB5U

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

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LIST OF CHANGED PARTS ...........................................................................................................................2

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IMPORTANT SERVICE SAFETY PRECAUTION ........................................................................................ 3

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SPECIFICATIONS ........................................................................................................................................6

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OPERATION MANUAL ................................................................................................................................ 7

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DIMENSIONS ............................................................................................................................................14

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REMOVING OF MAJOR PARTS ................................................................................................................15

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BLOCK DIAGRAM .....................................................................................................................................22

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OVERALL WIRING DIAGRAM ................................................................................................................... 24

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PARTS LIST ...............................................................................................................................................26

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PACKING OF THE SET .............................................................................................................................31

OUTLINE

This model is based on the LC-37D7U and is equipped with a redesigned speaker, and is changed some
function. This Service Manual covers the modifications alone. For the other points, refer to the LC-26/32/
37D7U Service Manual.

S45H5LC37GB5U

SHARP CORPORATION

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

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Summary of Contents for Aquos LC 37GB5U

Page 1: ...IFICATIONS 6 OPERATION MANUAL 7 DIMENSIONS 14 REMOVING OF MAJOR PARTS 15 BLOCK DIAGRAM 22 OVERALL WIRING DIAGRAM 24 PARTS LIST 26 PACKING OF THE SET 31 OUTLINE This model is based on the LC 37D7U and is equipped with a redesigned speaker and is changed some function This Service Manual covers the modifications alone For the other points refer to the LC 26 32 37D7U Service Manual S45H5LC37GB5U SHAR...

Page 2: ...rts is deleted from LC 37D7U Delete Q1110 L1103 C1110 C1113 R1114 R1118 UNT1101 R C LED Unit D103 Diode RH PXA087WJZZY RH PXA089WJZZY Change R108 Metal Oxide VRS CY1JF911JY VRS CY1JF561JY Change LCD CONTROL Unit R2026 Metal Oxide VRS CY1JF223JY Delete R2029 Metal Oxide VRS CY1JF223JY Add DIGITAL Unit IC8451 IC RH iXB333WJZZQ VHiLHF12F01 1Q Change R8176 Metal Oxide VRS CH1JF103JY Add R9509 Metal Ox...

Page 3: ...it should be attempted 2 Disconnect AC power before servicing BEFORE RETURNING THE RECEIVER Fire Shock Hazard Before returning the receiver to the user perform the following safety checks 1 Inspect all lead dress to make certain that leads are not pinched and check that hardware is not lodged between the chassis and other metal parts in the receiver 2 Inspect all protective devices such as non met...

Page 4: ...eprendre aucune modification de tout circuit C est dangereux 2 Débrancher le récepteur avant toute réparation VERIFICATIONS CONTRE L INCEN DIE ET LE CHOC ELECTRIQUE Avant de rendre le récepteur à l utilisateur effectuer les vérifications suivantes 1 Inspecter tous les faisceaux de câbles pour s assurer que les fils ne soient pas pincés ou qu un outil ne soit pas placé entre le châssis et les autre...

Page 5: ...s higher than the conventional 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 m...

Page 6: ...inuous 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 There may be some deviations from these values in individual units LCD panel 37 Advanced Super View BLACK TFT LCD Number of dots 3 147 264 dots 1366 768 3 dots Brightness 450 cd m2 Vi...

Page 7: ...esets to DYNAMIC Fixed TV channel returns to initial channel setting Air 2ch Cable 1 or 2ch Audio setting initializes Dolby Virtual resets to Off Image position initializes Press SYSTEM RESET if the TV does not operate after starting up NOTE Pressing RESET will not work if the TV is in standby mode Pressing RESET will not delete channel preset or secret number AC INPUT terminal RS 232C terminal IN...

Page 8: ...gories While watching you can toggle the selected channels by pressing A B C and D 22 FREEZE Sets the still image Press again to return to normal screen 23 CC Displays captions during closed caption source 24 EDIT Registers favorite channel 25 AV MODE Selects an audio or video setting AV mode STANDARD MOVIE GAME USER DYNAMIC Fixed DYNAMIC PC mode STANDARD USER You can connect many types of externa...

Page 9: ...ble When using component cable INPUT 1 or 2 When using composite cable INPUT 1 2 or 3 When using DVI cable INPUT 5 Component video cable commercially available Audio cable commercially available VCR Game console Camcorder AV cable commercially available Connecting a VCR game console or camcorder A VCR game console camcorder and some other audiovisual equipment are conveniently connected using the ...

Page 10: ...control unit or on the TV INPUT SOURCE TV Air INPUT1 INPUT2 INPUT3 INPUT4 INPUT5 INPUT5 1 Press MENU and the MENU screen displays 2 3 Press to select HDMI Setup and then press ENTER 4 Press to select Option MENU Option HDMI Setup Option Digital Noise Reduction Output Select Audio Only Quick Shoot Fixed HDMI Setup Low Off 5 Press to select the desired item and press ENTER Press to select the desire...

Page 11: ...k make sure to turn off the TV Before performing work spread cushioning over the base area to lay the TV on This will prevent it from being damaged NOTE To attach the stand perform the above steps in reverse order 2 Detach the stand from the TV Hold the stand so it will not drop from the edge of the base area 1 Unfasten the four screws used to secure the stand in place Setting the TV on the wall C...

Page 12: ...e can be adjusted and various other adjustments and settings can be made enabling automatic programmed playing Attach an RS 232C cable cross type commercially available to the supplied Din D Sub RS 232C for the connections NOTE This operation system should be used by a person who is accustomed to using computers Communication conditions Set the RS 232C communications settings on the PC to match th...

Page 13: ... x x x 1 1 2 0 1 2 3 4 5 6 7 8 1 2 3 4 5 6 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ DIGITAL Air Two Part numbers 2 digit plus 2 digit 0101 9999 DIRECT CHANNEL D A 2 P _ _ _ _ Toggle AUDIO SELECTION A C H A x _ _ _ _ _ OFF TIMER 60 MIN OFF TIMER 90 MIN 2 3 _ _ _ _ _ _ OFF TIMER 120 MIN 4 _...

Page 14: ...14 LC 37GB5U DIMENSIONS Unit inch mm 2621 32 677 433 8 1102 323 8 822 6 18 1 4 463 8 21 39 64 549 24 31 32 634 14 1 4 362 125 64 307 419 64 109 41 4 108 77 8 200 14 15 64 361 5 7 7 8 200 3 49 64 96 ...

Page 15: ...abinet Rear Cabinet Terminal Cover Stand 3 SD Card Cover 1 Remove the 4 lock screws 1 from the stand and detach the stand 2 Detach the Terminal Cover 2 3 Detach the SD Card Cover 3 4 Remove the 33 lock screws 4 from the Rear Cabinet and detach the Rear Cabinet ...

Page 16: ... 9 5 Remove the 7 lock screws 5 and detach the Center Angle 6 Remove the KEY PWB 6 1 Remove the 2 lock screws 6 from the Top Control Cover 6 2 Remove the 3 lock screws 7 from the KEY PWB 7 Remove the 5 lock screws 8 and detach the LCD PWB Shield 8 Remove the 4 lock screws 9 and detach the Main Shield A ...

Page 17: ...04 P1501 SC3201 SC3202 P2501 SC3200 P3101 P5703 P3804 P1105 P1802 SC3201 SC3202 P2006 P2003 P7707 P7704 SC4601 P2004 SC9601 10 11 12 13 13 Jack Cover C Digital PWB Main Shield B Speaker Box R Speaker Box L 9 Disconnect all the connectors from all the PWBs 10 Remove the 5 lock screws 0 and detach the Main Shield B 11 Remove the 4 lock screws q and detach the Digital PWB 12 Remove the 4 lock screws ...

Page 18: ...he 6 lock screws r Detach the Main PWB and Main Shield C 15 Remove the AV PWB 15 1 Remove the 3 lock screws t 2 screws y and detach the AV PWB 15 2 Remove the 1 lock screw i and detach the Jack Cover B 15 3 Remove the 4 lock screws o and detach the Jack Cover A 16 Remove the 1 lock screw p and detach the LCD Controller PWB Detach the Radiation Shields ...

Page 19: ... 6 lock screws a and detach the Power PWB 18 Remove the 6 lock screws s Detach the INVERTER GND A and INVERTER GND B PWB 19 Remove the 8 lock screws d Detach the INVERTER A and INVERTER B PWB 20 Remove the 2 lock screws 24 and detach the R C LED PWB 21 Remove the 2 lock screws 25 and detach the LCD Panel Ass y ...

Page 20: ...Fluorescent Lamp KLMP A049WJZZ Sheet Spacer 1 PSPAKA092WJZZ Sheet Spacer 2 PSPAKA093WJZZ Back Light Chassis 22 Remove the 4 lock screws 26 from the 37 LCD Panel Unit and detach the 37 LCD Panel Unit 23 Detach the sheet spacer 1 and sheet spacer 2 24 Detach the Diffusion and Reflection Deflection Sheets and Diffusion Panel 25 Remove the 6 lock screws 27 from the Lamp Holder top and detach the Lamp ...

Page 21: ...21 LC 37GB5U M E M O ...

Page 22: ...23 LC 37GB5U 22 LC 37GB5U Ë SYSTEM BLOCK DIAGRAM BLOCK DIAGRAM A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 ...

Page 23: ...25 LC 37GB5U 24 LC 37GB5U OVERALL WIRING DIAGRAM A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 ...

Page 24: ...e ou toutautre sinistre COMMENT COMMANDER LES PIECES DE RECHANGE Pour que votre commande soit rapidement et correctement remplie veuillez fournir les renseignements suivants 1 NUMERO DU MODELE 2 NO DE REF 3 NO DE PIECE 4 DESCRIPTION in CANADA Contact SHARP Electronics of Canada Limited Phone 416 890 2100 PRINTED WIRING BOARD ASSEMBLIES NOT REPLACEMENT ITEM DUNTKC971WE03 AV Unit HDCP 2Tip Model DUN...

Page 25: ... DP AK 93 RCORFA052WJZZ X Panel FPC Core x2 AH 94 XBBS740P06000 X Screw for Center Angle x7 AA 95 XBBS930P06000 X Screw for AC ANG HDMI CAB x13 AA 96 XEBSN30P08000 X Screw for LED CTRL COV x7 AA 98 XBBSN50P12JS0 X Screw for Stand x4 AF 99 XBPS730P04WS0 X Screw for EAR PWB FRM x8 AA 100 XBPS730P08WS0 X Screw for PWB x42 AA 101 XEBS930P08000 X Screw for Terminal x7 AA 102 XEBS940P16000 X Screw for R...

Page 26: ... Continued 105 PCLiCA004WJKZ X Rivet AC 106 PMLT A208WJZZ X Gasket ANT PNL AD 107 PMLT A220WJZZ X Gasket DIJIPANL AD 108 PSLDMA755WJZZ X Conduct Tape AH 109 QEARPA176WJZZ X Copper Sheet AG 110 RCORF0103CEZZ X PA DS Core x2 AK 111 PSLDMA601WJFW J HDMI Shield Top AE 112 PSLDMA602WJFW J HDMI Shield Bottom AG ...

Page 27: ... 95 11 14 99 12 36 53 38 100 101 99 95 13 32 111 112 56 2 4 2 4 101 2 1 2 5 17 10 95 25 40 63 100 84 U V e a 86 b W X 83 Z 77 Z F Y Y 76 e a Q R S T U T c P d H O E G M N A D b j 54 73 110 78 c d f X h j V I M 87 52 100 100 20 43 49 100 23 19 W 39 37 A 31 44 70 43 68 93 90 93 94 102 K 2 2 2 2 3 33 34 27 89 4 2 4 1 4 2 4 2 4 5 2 5 3 5 1 K 98 5 1 1 L L A A 3 3 1 3 3 3 4 3 2 64 96 101 S 65 28 1 2 82 ...

Page 28: ...tch 0 5mm AT FC QCNW C969WJQZ J L 1000mm 10pins PE 6pins PD AZ to 16pins PE QCNW C970WJQZ J L 1000mm 12pins PA 10pins PB BC to 20pins PA 4pins ST QCNW C971WJQZ J L 1000mm 7pins PO 12pins BL AZ to 16pins PO QCNW C972WJQZ J L 1000mm 14pins SH DS AY QCNW C975WJQZ J L 1000mm 9pins RM AW QCNW C977WJQZ J L 1000mm 8pins to 4pins GV AT QCNW D094WJQZ J L 1000mm 6pins DP AW QCNW D095WJQZ J L 1000mm 12pins D...

Page 29: ...31 LC 37GB5U PACKING OF THE SET S3 S4 S2 S5 S5 S5 S5 S6 X1 X2 X3 X4 X5 X6 X7 X8 S1 S7 ...

Page 30: ...nsmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher SHARP CORPORATION AV Systems Group Quality Reliability Control Center Yaita Tochigi 329 2193 Japan TQ1888 S Apr 2005 Printed in Japan SY KD Design and Production Information Design Japan Production SEMEX ...

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