Sharp LC-37GA5T Service Manual Download | Manualshive

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LC-37GA5T

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LC-37GA5T

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SCHEMATIC DIAGRAM

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MAIN UNIT-1/6

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Summary of Contents for LC-37GA5T

Page 1: ...N 3 SPECIFICATIONS 5 OPERATION MANUAL 6 DIMENSIONS 12 DESCRIPTION OF SCHEMATIC DIAGRAM 13 SCHEMATIC DIAGRAM 14 PRINTED WIRING BOARD ASSEMBLIES 18 PARTS LIST 22 PACKING OF THE SET 30 OUTLINE This model is based on the LC 32DA5U and is changed some parts This Service Manual covers the modifications alone For the other points refer to the LC 32DA5U Service Manual S95N9LC37DB5U SHARP CORPORATION This ...

Page 2: ...WE01 DUNTKD354WE20 No parts changed POWER SUPPLY Unit RDENCA139WJQZ RDENCA140WJQZ Parts changed LCD PANEL Wide LCD Panel Unit RLCUCA025WJZZ RLCUCA026WJZZ MAIN Unit R2019 Metal Oxide VRS CY1JF472JY Delete R2020 Metal Oxide VRS CY1JF472JY Add R2022 Metal Oxide VRS CY1JF472JY Add R2023 Metal Oxide VRS CY1JF472JY Delete POWER SUPPLY Unit Please refer to a Parts list CABINET AND MECHANICAL PARTS Please...

Page 3: ...y 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 metal parts in the receiver 2 Inspect all protective devices such as ...

Page 4: ...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 5: ...t 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 94 cm Advanced Super View BLACK TFT LCD Number of dots 3 147 264 dots 1366 768 3 dots Brightness 450 cd m2 Backlight 60 000 hours at Backlight St...

Page 6: ...ng various operations AV MODE resets to DYNAMIC Fixed TV channel returns to initial channel setting Air 2ch Cable 1 or 2ch Audio setting initializes Surround 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 te...

Page 7: ...e channels in four different categories While watching you can toggle the selected channels by pressing A B C and D 25 FAVORITE Register favorite channel 26 CC Display captions during closed caption source 27 AV MODE Select an audio or video setting AV mode STANDARD MOVIE GAME USER DYNAMIC Fixed DYNAMIC _ You can connect many types of external equipment to your TV like a DVD player VCR Digital TV ...

Page 8: ...from INPUT SOURCE menu using INPUT on the remote control unit or on the TV INPUT SOURCE TV INPUT1 INPUT2 INPUT3 INPUT4 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 E...

Page 9: ...trol unit If the indicator on the TV does not light up press TV POWER on the remote control unit Is the AC cord disconnected Has the power been turned on External influences such as lightning static electricity may cause improper operation In this case operate the unit after first turning on the power of the TV or unplugging the AC cord and replugging it in after 1 or 2 minutes Is the FUNCTION set...

Page 10: ...t shifts to standby It input switches by the toggle It is the same as an input change key It input switches to TV A channel remains as it is Last memory It input switches to INPUT1 INPUT4 An input change is also included Although it can choose now it is toggle operation in inside Although it can choose now it is toggle operation in inside Toggle Input terminal number 1 4 AUTO VIDEO COMPONENT Toggl...

Page 11: ...rpness Advanced Color Temp Black 3D Y C Monochrome Film Mode I P Setting Picture No Signal Off No Operation Off EZ Setup CH Setup Input Label Parental CTRL Position Picture Flip Language Treble Bass Balance Surround Audio Only Digital Noise Reduction HDMI Setup Input Select Output Select Quick Shoot Color System Audio Power Control Setup Option ...

Page 12: ...12 LC 37GA5T DIMENSIONS Unit inch mm 384 671 1105 822 6 200 306 114 105 200 104 562 85 647 463 9 367 8 ...

Page 13: ...esistors are 1 16W unless otherwise noted CAPACITOR This circuit diagram is original one therefore there may be a slight difference from yours CAUTION SAFETY NOTES DISCONNECT THE AC PLUG FROM THE AC OUTLET BEFORE REPLACING PARTS 1 SEMICONDUCTOR HEAT SINKS SHOULD BE REGARDED AS POTENTIAL SHOCK HAZARDS WHEN THE CHASSIS IS OPERATING 2 IMPORTANT SAFETY NOTICE PARTS MARKED WITH ARE IMPORTANT FOR MAINTA...

Page 14: ...15 LC 37GA5T 14 LC 37GA5T 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 SCHEMATIC DIAGRAM Ë MAIN UNIT 1 6 ...

Page 15: ...17 LC 37GA5T 16 LC 37GA5T 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 Ë POWER SUPPLY UNIT ...

Page 16: ...19 LC 37GA5T 18 LC 37GA5T 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 PRINTED WIRING BOARD ASSEMBLIES POWER SUPPLY Unit Side A ...

Page 17: ...21 LC 37GA5T 20 LC 37GA5T 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 POWER SUPPLY Unit Side B ...

Page 18: ... DIP AM IC806 VHiKiA431A 1 J IC KIA431A 1 VHiTA76431S 1 J IC TA76431S 1 5 AD VHiHA17431UA4 J IC HA17431HP 1 AE TRANSISTORS Q701 VSFQPF12N60C1 J FQPF12N60C AL Q702 VS2SA2071Q 1 J 2SA2071Q VS2SA1213 1 J 2SA1213 AE Q703 VSFQPF12N60C1 J FQPF12N60C AL Q704 VS2SA2071Q 1 J 2SA2071Q VS2SA1213 1 J 2SA1213 AE Q705 VS2SC4672Q 1 J 2SC4672Q AE VS2SC2873 Y 1 J 2SC2873 AD Q706 VSRT1P241C P1 J RT1P241C VSDTA124EK...

Page 19: ... D802 VHDRLS245 1 J RLS245 AB D803 VHDRLS245 1 J RLS245 AB D804 VHD1SS355 1 J 1SS355 AB D805 VHD1SS355 1 J 1SS355 AB D806 VHEHZU27B 1 J Zener Diode HZU27B D807 VHDERB83 004G J ERB83 004G1 VHDSFPB74 1 J SR24 SFPB74 AD D808 VHDERB83 004G J ERB83 004G1 VHDSFPB74 1 J SR24 SFPB74 AD D809 VHEHZU5 1B2 1 J Zener Diode HZU5 1B2 AC D810 VHDERB83 004G J ERB83 004G1 VHDSFPB74 1 J SR24 SFPB74 AD D811 VHEHZU6 8...

Page 20: ...C E1H476SNKY J 47 50V Electrolytic C748 RC E2W336KXGZ J 33 450V Electrolytic AK C749 RCK45R3D471KV J 470p 2kV Ceramic AC C750 RCDEA1X3D150P J 15p 2kV Ceramic C751 VCKYTV1EB104K J 0 1 25V Ceramic AB C752 VCKYTV1HB102K J 1000p 50V Ceramic AA C753 VCKYTV1HB473K J 0 047 50V Ceramic AA C755 RC CS332ESNEZ J 3300p 250V Ceramic C756 RC CS332ESNEZ J 3300p 250V Ceramic C758 RCK45R3D102KV J 1000p 2kV Ceramic...

Page 21: ... TS2AD223J J 22k AA R761 VRS TS2AD562J J 5 6k AA R762 VRS TS2AD223J J 22k AA R763 VRS TS2AD101J J 100 AA R764 VRS TS2AD103J J 10k AA R765 VRS TP2BD331J J 330 AA R766 VRS TP2BD334J J 330k R767 VRS TP2BD334J J 330k R768 VRS TP2BD334J J 330k R769 VRS TP2BD184J J 180k R770 VRS TP2BD184J J 180k R771 VRS TP2BD184J J 180k R772 RR HRSM1R5J3W J 1 5 3W Metal Oxide AD R773 VRS TS2AD102J J 1k AA R774 VRS TS2A...

Page 22: ...V TR5 382 AF å F702 QFS A1130SNEZ J FUSE 5A 250V TR5 382 AF å F703 QFS A1174SNEZ J FUSE 1A 250V SBL10 å F704 QFS T1107SNEZ J FUSE X25 117 C 2A P110A AE å GA701 VHVRA 302M V7 J Surge Protector RA 302M V7 AK RL701 RRLYD1012SNEZ J Reray G5RL1A DC5 å PWB701 QPWBN0107SNPZ J QPWBN0108SNPZ FR4 252 5x171 ANG701 06600706 R002 J Inlet Angle JP801 01700096 R004 J Jumper Point JP802 01700096 R004 J Jumper Poi...

Page 23: ...Control Cover 3 2 JBTN A428WJKA J Operation Button 3 3 JBTN A429WJKA J Power Button 3 4 MSPRCA049WJFW J Spring for Power Button AC 4 CDAi A195DE01 J Stand Ass y 4 1 CANGTA181WJSA J Stand Bracket Ass y 4 1 1 GDAi A197WJSB J Stand Support 4 1 2 LANGTA181WJSA J Stand Bracket Ass y 4 2 CDAi A195WJKB J Stand Base Ass y 4 2 1 Not Available Stand Base 4 2 2 LANGKA443WJSA J Base Bracket 4 2 3 PSPAZA476WJZ...

Page 24: ...LC 37GA5T CABINET AND MECHANICAL PARTS 6 5 4 3 2 1 A B C D E F G H 3 4 10 83 3 1 7 84 26 24 6 4 1 4 20 18 9 34 21 37 39 12 38 8 51 25 13 2 11 33 107 1 4 2 85 87 4 3 44 40 29 1 2 22 3 2 3 3 95 2 2 2 3 88 30 ...

Page 25: ...t FD QCNW D940WJQZ J 20pins L 1000mm BA Power to Main Unit PE QCNW D941WJQZ J 10pins L 1000mm AW Power to Inverter Unit PG1 PG2 QCNW D942WJQZ J 30pins L 1000mm BG LCD Controller to Main Unit LV QCNW D943WJQZ J 7pins L 1000mm AT LCD Controller to Main Unit SH QCNW D944WJQZ J 12pins L 1000mm AX AV to Power Supply Unit PA QCNW E068WJQZ J 6pins L 1000mm AS Main to Inverter Unit MI X1 QACCZA047WJPZ J A...

Page 26: ...30 LC 37GA5T PACKING OF THE SET S5 S4 S3 S6 S6 S6 S6 S2 X1 X2 X3 X4 X5 X6 X7 X8 S1 S7 ...

Page 27: ...31 LC 37GA5T ...

Page 28: ...m or transmitted 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 CS Promotion Center Yaita Tochigi 329 2193 Japan TQ0000 S Oct 2005 Printed in Japan SY KD Design and Production Information Design Japan Production SEMEX ...

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