Sharp Aquos LC-37SH20U Service Manual Download Page 15 | Manualshive

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LC-37SH20U

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16. Remove the SD card cover and terminal angle fixing screws (4 pcs.).
17. Remove the power PWB fixing screws (6 pcs.).
18. Remove the IF PWB fixing screws (4 pcs.).
19. Remove the heat sink and main PWB fixing screws (4 pcs.).

SD Card Cover

Terminal Angle

IF PWB

Chassis frame

Power PWB

Heat Sink

Main PWB

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16

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Summary of Contents for Aquos LC-37SH20U

Page 1: ...ly The contents are subject to change without notice LCD COLOR TELEVISION This model is based on the LC 37D40U and partially modified For the contents not covered in this Service Manual accordingly please refer to the LC 37D40U Service Manual IMPORTANT SERVICE SAFETY PRECAUTION 3 SPECIFICATIONS 6 OPERATION MANUAL 7 DIMENSIONS 11 REMOVING OF MAJOR PARTS 12 DESCRIPTION OF SCHEMATIC DIAGRAM 17 SCHEMA...

Page 2: ...r VRS CZ1JF473FY Delete R1536 Resistor VRS CZ1JF100JY Delete R1539 Resistor VRS CZ1JF473FY Delete R1540 Resistor VRS CZ1JF100JY Delete R1545 Resistor VRS CY1JF474JY Delete R1546 Resistor VRS CY1JF474JY Delete R1555 Resistor VRS CZ1JF103JY Delete R1559 Resistor VRS CZ1JF103JY Delete R1633 Resistor VRS CZ1JF103JY Add R8124 Resistor VRS CZ1JF103JY Add R8188 Resistor VRS CZ1JF103JY Delete SC1501 Socke...

Page 3: ... other hazards WARNING 1 For continued safety no modification of any circuit 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 me...

Page 4: ...voquer des électrocutions incendies ou autres accidents AVERTISSEMENT 1 Pour la sécurité continue n entreprendre aucune modification de tout circuit 2 Débrancher l alimentation CA avant la réparation AVANT DE RENDRE LE RECEPTEUR A L UTILISATEUR Incendie et choc électrique Avant de rendre le récepteur à l utilisateur effectuer les vérifications suivantes 1 Inspecter tous les faisceaux de câbles pou...

Page 5: ...h is 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 contain...

Page 6: ...TV and Digital AIR CABLE Optical Digital audio output 1 PCM Dolby Digital Audio out English French Spanish AC 120 V 60 Hz 32 F to 104 F 0 C to 40 C Item Model LC 37SH20U 37 Advanced Super View BLACK TFT LCD with stand w o stand w o stand with stand 186 W 46 3 lbs 21 5 kg 53 0 lbs 24 0 kg 3625 32 285 16 129 32 inch 3625 32 2561 64 445 64 inch As part of policy of continuous improvement SHARP reserv...

Page 7: ...ont Channel buttons CH Volume buttons VOL INPUT button POWER indicator Remote control sensor INPUT 4 INPUT 3 AUDIO OUTPUT DIGITAL AUDIO OUTPUT terminal Antenna Cable in AC INPUT terminal TV Rear terminals terminals INPUT 1 terminals INPUT 2 terminals terminals ...

Page 8: ...ry cover Place the batteries with their terminals corresponding to the and indications in the battery compartment NOTE Improper use of batteries can result in chemical leakage or explosion Be sure to follow the instructions below Do not mix batteries of different types Different types of batteries have different characteristics Do not mix old and new batteries Mixing old and new batteries can shor...

Page 9: ... HDMI equipment game console or camcorder To view external source images select the input source from INPUT on the remote control unit or on the TV To watch a DVD image select INPUT1 from INPUT SOURCE menu using INPUT on the remote control unit or on the TV Connecting a DVD player or a Digital TV STB Air or Cable You can use the INPUT 1 INPUT 2 or INPUT 3 terminals when connecting to a DVD player ...

Page 10: ...I terminal Select Analog for an audio signal via the R AUDIO L terminal MENU Option HDMI Setup Option Digital Noise Reduction Output Select Audio Only Quick Shoot Fixed HDMI Setup Low Press MENU to exit 7 Off Enable Disable Picture Setup Audio Option Power Control Digital Setup ENTER Select Enter MENU Exit RETURN Back Menu items List of menu items to help you with operations Basic adjustment setti...

Page 11: ...7SH20U 11 DIMENSIONS Unit inch mm 77 8 200 3225 64 822 6 3625 32 934 457 64 124 417 32 115 129 32 312 445 64 119 2413 16 630 7 7 8 200 3 25 32 96 18 17 64 463 8 17 1 16 433 28 5 16 719 25 61 64 659 2 3 8 60 ...

Page 12: ...AJOR PARTS 1 Remove the stand fixing screws 4 pcs 2 Remove the terminal screws 6 pcs 3 Remove the cabinet B fixing screws 9 pcs 4 Remove the cabinet B after opening from the direction of an arrow Cabinet A Cabinet B Stand 3 1 2 4 ...

Page 13: ...PWB Power PWB Key PWB 5 Remove the 6 lock screws from the right and left center angles and take out both center angles 6 Remove the stand cover fixing screws 3 pcs 7 Remove the stand assist angle fixing screws 2 pcs 8 Remove the stand fixing angle fixing screws 4 pcs 9 Remove the main PWB shield fixing screws 5 pcs 10 Disconnect all the connectors from all the PWBs ...

Page 14: ...op cover ass y 13 Remove the key PWB fixing screws 3 pcs 14 Remove the 8 lock screws from the right and left speakers and take out both speakers 15 Remove the R C LED PWB fixing screws 2 pcs 13 12 15 14 11 14 Speaker L Speaker R R C LED PWB Key PWB Top Cover Ass y PWB Unit Ass y ...

Page 15: ...gle fixing screws 4 pcs 17 Remove the power PWB fixing screws 6 pcs 18 Remove the IF PWB fixing screws 4 pcs 19 Remove the heat sink and main PWB fixing screws 4 pcs SD Card Cover Terminal Angle IF PWB Chassis frame Power PWB Heat Sink Main PWB 19 17 16 18 16 ...

Page 16: ...ight and left corner angles top and take out both center angles top 22 Remove the 8 lock screws from the right and left corner angles bottom and take out both corner angles bottom Top Corner Angle R Center Assist Angle Top Corner Angle L Bottom Corner Angle L 21 21 21 22 22 22 22 21 20 Bottom Corner Angle R ...

Page 17: ...noted CAUTION This circuit diagram is original one therefore there may be a slight difference from yours SAFETY NOTES 1 DISCONNECT THE AC PLUG FROM THE AC OUTLET BEFORE REPLACING PARTS 2 SEMICONDUCTOR HEAT SINKS SHOULD BE REGARDEDAS POTENTIAL SHOCK HAZARDS WHEN THE CHASSIS IS OPERATING IMPORTANT SAFETY NOTICE PARTS MARKED WITH å ARE IMPORTANT FOR MAINTAINING THE SAFETY OF THE SET BE SURE TO REPLAC...

Page 18: ...19 LC 37SH20U 18 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 4 22 ...

Page 19: ...21 LC 37SH20U 20 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 9 22 ...

Page 20: ...23 LC 37SH20U 22 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë IF Unit ...

Page 21: ... BOARD ASSEMBLYS NOT REPLACEMENT ITEM DUNTKD640FM08 R MAIN Unit DUNTKD641FM08 X R C LED Unit DUNTKD643FM08 X IF Unit DUNTKD716FM08 X KEY Unit RDENCA161WJQZ X POWER Unit BQ 1 CCABAB318WJ01 X Cabinet A Ass y BQ 1 1 Not Available Cabinet A 1 2 Not Available R C LED Cover 1 3 HBDGBA065WJSB X Badge SHARP AF 1 4 Not Available Mask Spacer S x2 1 5 Not Available Mask Spacer L x2 1 6 TLABZA742WJZZ X POP La...

Page 22: ...1 54 54 54 26 26 2 53 53 53 18 17 55 55 53 55 58 61 12 28 33 48 38 25 21 33 30 55 27 46 43 55 33 31 34 34 19 55 22 32 47 59 22 34 24 29 21 24 20 55 23 50 55 42 1 1 6 1 3 1 5 1 5 1 4 1 1 1 2 1 4 37 36 40 44 41 22 22 10 55 60 55 56 7 11 35 5 5 1 4 2 4 1 4 3 4 4 4 2 1 4 2 2 4 2 2 4 2 2 4 2 2 4 2 3 4 2 3 4 2 3 4 2 3 5 3 5 3 5 2 13 16 8 4 2 1 2 2 2 3 58 55 55 55 55 55 49 59 3 1 3 2 G g H ...

Page 23: ...9 PRDARA204WJFW X Heat Sink AE 30 PRDARA312WJFW X Heat Sink AE 31 PRDARA330WJFW X Heat Sink AM 32 PSLDMA910WJFW X MAIN PWB Shield AV 33 PSPAZA635WJKZ X Spacer x3 AC 34 PSPAZA700WJKZ X Spacer x3 AD 35 QCNCWA496WJZZ X Connecting Cord AK 36 Not Available Connecting Cord PE 37 Not Available Connecting Cord PD 38 QCNW E265WJQZ X Connecting Cord RA AK 39 Not Available Connecting Cord KM 40 QCNW E267WJQZ...

Page 24: ...27 LC 37SH20U PACKING OF THE SET S6 S6 X3 X4 S6 S8 S2 S6 S1 S8 S3 X1 X2 X6 X7 X11 X5 X8 X9 X10 S4 S5 S7 ...

Page 25: ...2193 Japan TQ1995 S Apr 2006 Printed in Japan SY KG Design and Production Information Design Japan Production SEMEX 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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