Sharp LC-37HV4M Service Manual
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Sharp LC-37HV4M Service Manual

Sharp LC-37HV4M Service Manual

Lcd colour television
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See also: Operating Manual
In the interests of user-safety (Required by safety regulations in some countries) the set should be re-
stored to its original condition and only parts identical to those specified should be used.
This model is different in the display size from the LC-30HV4H.
This service manual accordingly describes the display alone. For the entire AVC System, refer to the LC-
30HV4H Service Manual (S53B1LC30HV4M).
» SPECIFICATIONS................................................ 4
» OPERATION MANUAL ........................................ 5
» DIMENSIONS .................................................... 11
» REMOVING OF MAJOR PARTS ........................ 12
» ADJUSTMENT PROCEDURES ......................... 16
» TROUBLE SHOOTING TABLE .......................... 22
» CHASSIS LAYOUT ............................................. 26
» BLOCK DIAGRAM ............................................. 28

SERVICE MANUAL

LCD COLOUR TELEVISION
MODELS
OUTLINE
CONTENTS
Page
» OVERALL WIRING DIAGRAM ........................... 30
» SCHEMATIC DIAGRAM ..................................... 33
» PARTS LIST ....................................................... 89
» PACKING OF THE SET ................................... 115
SHARP CORPORATION
LC-37HV4M
LC-37HV4H
LC-37HV4M
LC-37HV4H
S63D1LC37HV4M
Page

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Summary of Contents for Sharp LC-37HV4M

  • Page 1: Table Of Contents

    LC-37HV4M LC-37HV4H SERVICE MANUAL S63D1LC37HV4M LCD COLOUR TELEVISION LC-37HV4M LC-37HV4H MODELS In the interests of user-safety (Required by safety regulations in some countries) the set should be re- stored to its original condition and only parts identical to those specified should be used.

  • Page 2: Important Service Safety Precaution

    LC-37HV4M LC-37HV4H IMPORTANT SERVICE SAFETY PRECAUTION Ë Service work should be performed only by qualified service technicians who are thor- oughly familiar with all safety checks and the servicing guidelines which follow: » Use an AC voltmeter having with 5000 ohm per volt,...
  • Page 3 LC-37HV4M LC-37HV4H Precautions for using lead-free solder 1 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.

  • Page 4: Specifications

    ( 1), Antenna cable ( 1) • As a part of policy of continuous 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.

  • Page 5: Operation Manual

    LC-37HV4M LC-37HV4H OPERATION MANUAL...
  • Page 6 LC-37HV4M LC-37HV4H...
  • Page 7 LC-37HV4M LC-37HV4H...
  • Page 8 LC-37HV4M LC-37HV4H...
  • Page 9 LC-37HV4M LC-37HV4H...
  • Page 10 LC-37HV4M LC-37HV4H...

  • Page 11: Dimensions

    LC-37HV4M LC-37HV4H DIMENSIONS Display Unit: mm 87.5 117.5 117.5 819.6 1184...

  • Page 12: Removing Of Major Parts

    LC-37HV4M LC-37HV4H REMOVING OF MAJOR PARTS 1.Take off the center and lower terminal covers. 2.Remove the two speaker fixing screws each and the speaker connecting terminal, and take off the speaker. 3.Remove the four stand fixing screws and take off the stand.
  • Page 13 LC-37HV4M LC-37HV4H 9.Open six FFC cable holders and remove the three FFC holder (right & left) fixing screws each and all the connec- tors of flat cables (FFC), and take off the FFC holders (right & left). 10.Remove the Speaker-L and-R PWB fixing screws each and the connectors of them, and take off the Speaker-L and-R PWBs.
  • Page 14 LC-37HV4M LC-37HV4H 13.Remove the five main PWB fixing screws, and take off the main PWB. 14.Remove the six power PWB fixing screws, and take off the power PWB. 15.Remove the four audio PWB fixing screws, and take off the audio PWB.
  • Page 15 LC-37HV4M LC-37HV4H • Handling Precautions for LCD Panel 1. Work in a clean room. (Humidity above 50%) 2. Operators should wear an earthing band. 3. Do not give a shock such as falling and vibration. 4. Use the ionizer. (Within 30 cm) 21.Remove the six LCD panel fixing screws and take off the LCD panel unit.

  • Page 16: Adjustment Procedures

    1. Preparation for Adjustment The unit needs to be replaced when the AVC System CONFIGROM/IC2202, receiver IC2206 and HDCP key ROM/IC2208 are replaced. Applicable unit: DKEYHB453FE54 (LC-37HV4M) DKEYHB453FE58 (LC-37HV4H) 2. Adjustment Enter Adjustment Process mode. → VLSBIAS/15V voltage adjustment →...
  • Page 17 ~ Display the screen for adjustment/High-side 200 gradation & Low-side 48 gradation. ~ Adjust ROFFSET, GOFFSET and BOFFSET to allow 200-gradation patterns as a standard. Adjust the chromaticity of High pattern/screen left to be x=0.283 and y=0.286 (LC-37HV4M) x=0.276 and y=0.285 (LC-37HV4H).
  • Page 18 LC-37HV4M LC-37HV4H ~ In this state, enter the command, listed below, and "ENTER" on the keyboard for adjustment. Press "ENTER" and make sure that "OK" appears on the terminal software. If "ERR" appears, try again. RS232C commands list Command Function...
  • Page 19 LC-37HV4M LC-37HV4H Lamp error detection [1] Function This LCD color TV set is equipped with automatic power-off (lamp error detection) function. This safety measure serves if the lamp or the lamp circuit gets in trouble. If by any chance the lamp or the lamp circuit gets in trouble, or if the lamp error detector gets activated for any other reasons, the following happens.
  • Page 20 LC-37HV4M LC-37HV4H •List of process adjustment modes (Display) Process mode contents Page 0 Page 1 PATTERN Page 1 Page 2 SOUND Page 1 Page 3 Others Page 1 Page 4 Others Page 2...
  • Page 21 LC-37HV4M LC-37HV4H Process adjustment list 1st level Page Item Setting range Initial value Contents GRAYLEVEL 0~255 COM BIAS 0~255 VLS BIAS 0~255 L ERR RESET Zero clear MODE 50Hz, 60Hz, PC 60Hz PWM CTRL PWM FREQ 0~4095 1289 PWM DUTY1...

  • Page 22: Trouble Shooting Table

    Note that it is necessary to replace the unit when replacing the Config ROM for receiver (IC2202), receiver IC (IC2208) and HDCP key ROM (IC2208). Have the relevant unit (DKEYHB453FE07 (LC-37HV4M)/DKEYHB453FE58 (LC-37HV4H)) handy. LED flashing timing list...
  • Page 23 LC-37HV4M LC-37HV4H TROUBLE SHOOTING TABLE (Continued) No image comes out. Is a HIGH appearing Check the circuits at the RESET terminal around X2201 of pin (3) of IC2206? connected to pin (161) of IC2206. Is a clock (91.3 MHz) Is X2201 connected to pin...
  • Page 24 LC-37HV4M LC-37HV4H TROUBLE SHOOTING TABLE (Continued) Noise appears on the moving image when the QS drive is turned ON. Is OSTEMP.AD on the 3rd page Check IC4701, IC4901 and of the process adjustment the circuits around them. mode set to 255?
  • Page 25 LC-37HV4M LC-37HV4H TROUBLE SHOOTING TABLE (Continued) No sound comes out. (Connect to the AVC System and check.) Check around the Is power supplied to each power regulator circuit IC in the audio unit? (IC3809, IC3810). Is an audio signal appearing...

  • Page 26: Chassis Layout

    LC-37HV4M LC-37HV4H CHASSIS LAYOUT...
  • Page 27 LC-37HV4M LC-37HV4H...

  • Page 28: Block Diagram

    LC-37HV4M LC-37HV4H BLOCK DIAGRAM LCD Back Light LCD P Monitor R RGB L RGB OFL1, 2 8X3X2 8X3X2 LCD Controller OSD RGB BGA265pin (LCDCONT) IC4501 (A475WJ) CONF CONF FLASH CTRL CPLD RGB 8X3 RGB 8X3 IC4303 Rewrite (A345WJ) Connector Dimmer Control, Im...

  • Page 29: Lcd Panel

    LC-37HV4M LC-37HV4H LCD Panel Thermistor L RGB 8X3X2 Gradation Power (V0, V64, V96, V128, V160, V192, V224, V256) Bias Setting D/A (GRAYLEVEL) Gradation Power Bias COM Control mer Control, Image Control, Test Pattern 16 (Data) SDRAM (OS_ODD) IC4902 (A312WJ) 17 (Address, etc) R/C.LED...

  • Page 30: Overall Wiring Diagram

    LC-37HV4M LC-37HV4H OVERALL WIRING DIAGRAM KEY PWB P152 P151 P7506 CN7704 P7505 QCNW-A966WJZZ INVERTER-1 PWB MAIN PWB CN7707 P7507 P7508 CN2004 CN2002 B to B QCNW-A965WJZZ P7555 CN3701 CN4701 INVERTER-2 PWB CN4702 CN3702 P7554 POWER PWB P380 CN2702 R/C, LED PWB...
  • Page 31 LC-37HV4M LC-37HV4H 3X Gate Source Driver Gate Source Driver To LCD Panel Gate Source Driver Gate Source Driver Gate Source Driver Gate Source Driver QCNW-B010WJZZ P7616 P7615 CN7705 INVERTER-3 PWB P7618 CN2003 P7617 B to B QCNW-A971WJZZ P7645 QCNW-A968WJZZ QCNW-B088WJZZ...

  • Page 32: Description Of Schematic Diagram

    LC-37HV4M LC-37HV4H DESCRIPTION OF SCHEMATIC DIAGRAM VOLTAGE MEASUREMENT CONDITION: 1. When the exclusive-use AC adapter is used, the colour bar signal of colour bar generator for service is input to get the normal screen. When the audio is minimized, the voltage value is measured with the 20 kΩ/V tester.

  • Page 33: Schematic Diagram

    LC-37HV4M LC-37HV4H Ë Ë Ë Ë Ë R/C, LED Unit (Display)
  • Page 34 LC-37HV4M LC-37HV4H Ë MAIN Unit-1/9 (Display)
  • Page 35 LC-37HV4M LC-37HV4H...
  • Page 36 LC-37HV4M LC-37HV4H Ë MAIN Unit-2/9 (Display)
  • Page 37 LC-37HV4M LC-37HV4H...
  • Page 38 LC-37HV4M LC-37HV4H Ë MAIN Unit-3/9 (Display)
  • Page 39 LC-37HV4M LC-37HV4H...
  • Page 40 LC-37HV4M LC-37HV4H Ë MAIN Unit-4/9 (Display)
  • Page 41 LC-37HV4M LC-37HV4H...
  • Page 42 LC-37HV4M LC-37HV4H Ë MAIN Unit-5/9 (Display)
  • Page 43 LC-37HV4M LC-37HV4H...
  • Page 44 LC-37HV4M LC-37HV4H Ë MAIN Unit-6/9 (Display)
  • Page 45 LC-37HV4M LC-37HV4H...
  • Page 46 LC-37HV4M LC-37HV4H Ë MAIN Unit-7/9 (Display)
  • Page 47 LC-37HV4M LC-37HV4H...
  • Page 48 LC-37HV4M LC-37HV4H Ë MAIN Unit-8/9 (Display)
  • Page 49 LC-37HV4M LC-37HV4H...
  • Page 50 LC-37HV4M LC-37HV4H Ë MAIN Unit-9/9 (Display)
  • Page 51 LC-37HV4M LC-37HV4H...
  • Page 52 LC-37HV4M LC-37HV4H Ë Ë Ë Ë Ë AUDIO Unit-1/2 (Display)
  • Page 53 LC-37HV4M LC-37HV4H...
  • Page 54 LC-37HV4M LC-37HV4H Ë Ë Ë Ë Ë AUDIO Unit-2/2 (Display)
  • Page 55 LC-37HV4M LC-37HV4H...
  • Page 56 LC-37HV4M LC-37HV4H Ë Ë Ë Ë Ë INVERTER-1 Unit (Display)
  • Page 57 LC-37HV4M LC-37HV4H Ë INVERTER-2 Unit (Display)
  • Page 58 LC-37HV4M LC-37HV4H Ë Ë Ë Ë Ë INVERTER-3 Unit (Display)
  • Page 59 LC-37HV4M LC-37HV4H Ë INVERTER-4 Unit (Display)
  • Page 60 LC-37HV4M LC-37HV4H Ë Ë Ë Ë Ë Power Unit (Display)
  • Page 61 LC-37HV4M LC-37HV4H...
  • Page 62 LC-37HV4M LC-37HV4H Ë KEY Unit (Display)
  • Page 63 LC-37HV4M LC-37HV4H Ë SPEAKER-L Unit (Display) Ë Ë Ë Ë Ë SPEAKER-R Unit (Display)

  • Page 64: Printed Wiring Board Assemblies

    LC-37HV4M LC-37HV4H PRINTE D WIRING BOARD ASSEMBLIES Ë Ë Ë Ë Ë Display MAIN Unit (Side-A)
  • Page 65 LC-37HV4M LC-37HV4H...
  • Page 66 LC-37HV4M LC-37HV4H Ë Ë Ë Ë Ë Display SC4603 SC4601 TP4528 TP2236 R4525 R4607 R4608 R4609 R4601 R4602 R4603 FB4601 FL4605 FL4519 FL4520 TP4536 TP4546 TP4538 TP4535 TP 4533 TP45 34 TP 4531 R4516 TP4102 Q4106 Q4109 TP45 47 L4103...
  • Page 67 LC-37HV4M LC-37HV4H SC4604 SC4602 TP4544 TP4543 FDC13 R4502 R4610 R4611 R4612 R4604 R4605 R4606 TP4539 FL4504 FL4503 TP2239 TP4536 TP4548 TP4550 TP4546 TP4542 TP4538 TP4540 TP4545 TP4549 TP4537 TP4535 TP4541 TP4529 TP 4533 TP45 34 TP4530 TP 4527 TP 4531...
  • Page 68 LC-37HV4M LC-37HV4H Ë Ë Ë Ë Ë Display MAIN Unit (Side-B)
  • Page 69 LC-37HV4M LC-37HV4H...
  • Page 70 LC-37HV4M LC-37HV4H Ë Ë Ë Ë Ë Display TL4682 TL4677 TL4688 TL4686 TL4685 TL4681 TL4679 TL4675 TL4545 TL4543 TL4570 TL4689 TL4661 TL4680 TL4683 TL4678 TL4674 TL4574 TL4559 TL4687 TL4684 TL4658 TL4561 TL4567 TL4544 TL4690 TL4571 TL4676 TL4576 TL4555 TL4551 TL4563...
  • Page 71 LC-37HV4M LC-37HV4H TL4637 TL4633 TL4508 TL4507 TL4536 TL4533 TL4641 TL4636 TL4640 TL4632 R4534 TL4623 TL4638 TL4644 TL4629 TL4642 TL4621 TL4617 TL4615 TL4611 TL4646 TL4627 TL4601 TL4531 TL4527 TL4522 TL4518 TL4512 TL4645 TL4537 TL4613 TL4609 TL4643 TL4634 TL4604 TL4639 TL4635 TL4501...
  • Page 72 LC-37HV4M LC-37HV4H Ë Ë Ë Ë Ë Display AUDIO Unit (Component Side)
  • Page 73 LC-37HV4M LC-37HV4H...
  • Page 74 LC-37HV4M LC-37HV4H Ë Ë Ë Ë Ë Display P3815 D3804 D3805 R3804 R3803 C3947 C3958 R3801 RY3801 L3806 R3963 R3962 R3920 R3934 C3912 FB3810 C3939 R3923 R3930 Q3814 D3820 C3945 C3954 R3967 FB3801 C3918 C3940 C3942 L3804 C3936 C3956 R3948...
  • Page 75 LC-37HV4M LC-37HV4H P3802 TH3801 C3801 R3805 C3802 R3806 C3809 R3813 C3861 R3811 C3806 C3805 R3810 R3815 C3873 C3813 R3816 IC3807 C3823 R3881 R3817 R3818 R3882 R3819 R3820 R3886 R3887 C3875 C3817 C3816 R3883 C3876 R3876 R3821 R3888 R3822 R3880 C3818...
  • Page 76 LC-37HV4M LC-37HV4H Ë Ë Ë Ë Ë Display INVERTER-1 Unit (Component Side) P7504 P7503 R7517 R7525 R7523 C7517 R7526 C7519 D7502 D7501 D7505 D7504 R7518 C7520 R7524 D7503 D7506 R7511 FH7507 FH7508 R7510 C7511 C7529 Q7509 R7513 C7532 R7509 R7514...
  • Page 77 LC-37HV4M LC-37HV4H P7502 P7501 R7529 R7531 C7521 R7532 D7507 D7508 R7537 R7530 C7522 R7538 D7511 C7524 D7509 D7512 D7510 R7507 C7525 C7507 R7541 R7504 C7505 Q7503 R7502 C7528 C7527 C7501 R7501 C7506 P7506...
  • Page 78 LC-37HV4M LC-37HV4H Ë Ë Ë Ë Ë Display INVERTER-2 Unit (Component Side) INVERTER-2 Unit (Chip Parts Side)
  • Page 79 LC-37HV4M LC-37HV4H...
  • Page 80 LC-37HV4M LC-37HV4H Ë Ë Ë Ë Ë Display INVERTER-3 Unit (Component Side) P7553 P7552 R7563 C7563 C7564 C7566 D7552 D7551 D7555 R7566 R7564 R7572 R7565 R7571 D7553 D7556 FH7555 FH7556 C7574 R7560 C7560 C7559 C7555 C7572 C7571 R7559 Q7559 R7562...
  • Page 81 LC-37HV4M LC-37HV4H P7552 P7551 R7569 R7575 C7565 C7568 D7554 D7558 D7557 R7570 R7578 R7576 R7577 D7559 C7569 C7552 R7551 R7558 R7554 C7557 D7561 C7555 C7551 R7557 Q7553 R7552 C7571...
  • Page 82 LC-37HV4M LC-37HV4H Ë Ë Ë Ë Ë Display INVERTER-4 Unit (Component Side) R7650 Q7649 C7649 C7645 R7649 C7663 C7653 R7656 D7641 D7642 D7644 P7643 P7642 INVERTER-4 Unit (Chip Parts Side)
  • Page 83 LC-37HV4M LC-37HV4H C7645 C7641 R7645 C7646 R7641 C7642 R7646 Q7646 R7642 Q7643 R7648 C7659 D7651 R7657 R7664 R7670 R7658 R7663 R7669 R7662 R7668 D7645 D7647 D7648 P7642 P7641...
  • Page 84 LC-37HV4M LC-37HV4H Ë Ë Ë Ë Ë Display POWER Unit (Component Side)
  • Page 85 LC-37HV4M LC-37HV4H Ë Ë Ë Ë Ë Display POWER Unit (Wiring Side)
  • Page 86 LC-37HV4M LC-37HV4H Ë Ë Ë Ë Ë Display KEY Unit (Component Side) S150 S151 S152 S153 S154 S155 R152 D150 P153 P152 P151 KEY Unit (Chip Parts Side)
  • Page 87 LC-37HV4M LC-37HV4H Ë Ë Ë Ë Ë Display R/C, LED Unit (Component Side) (QPWBSB813WJN1) D103 D104 IC101 P102 R111 C103 R106 R109 C101 Q103 D101 C102 R110 R105 R/C, LED Unit (Chip Parts Side) (QPWBSB813WJN1)
  • Page 88 LC-37HV4M LC-37HV4H Ë Ë Ë Ë Ë Display SPEAKER-L Unit (Component Side) C204 FB202 P205 J201 FB201 SPEAKER-L Unit (Chip Parts Side) SPEAKER-R Unit (Component Side) C206 FB204 P206 J202 FB203 SPEAKER-R Unit (Chip Parts Side)

  • Page 89: Parts List

    LC-37HV4M LC-37HV4H Ref. No. Part No. Description Code Ref. No. Part No. Description Code PARTS LIST LC-37HV4H PARTS REPLACEMENT DUNTKB401FE11 – MAIN Unit(AVC System) — DUNTKB493FE11 – POWER Unit(AVC System) — Replacement parts which have these special safety characteristics DUNTKB593DE06 –...

  • Page 90: Main Unit

    LC-37HV4M LC-37HV4H Ref. No. Part No. Description Code Ref. No. Part No. Description Code DKEYHB453FE54 (LC-37HV4M/M Q2211 VSDTC114EE/-1Y J DTC114EE DKEYHB453FE58 (LC-37HV4H) Q2212 VS2SA1530AR-1Y J 2SA1530AR Q2213 VSDTA114EE/-1Y J DTA114EE MAIN Unit Q2214 VSDTC114EE/-1Y J DTC114EE INTEGRATED CIRCUITS Q2215 VSDTC114EE/-1Y...
  • Page 91 LC-37HV4M LC-37HV4H Ref. No. Part No. Description Code Ref. No. Part No. Description Code DKEYHB453FE54 (LC-37HV4M/M C2002 RC-KZ1025CEZZY J 1 Ceramic DKEYHB453FE58 (LC-37HV4H) C2003 VCKYCY1HB103KY J 0.01 Ceramic C2004 VCKYCY1EF104ZY J 0.1 Ceramic MAIN Unit(Continued) C2005 VCKYCY1EF104ZY J 0.1 Ceramic...
  • Page 92 LC-37HV4M LC-37HV4H Ref. No. Part No. Description Code Ref. No. Part No. Description Code DKEYHB453FE54 (LC-37HV4M/M C4152 VCKYTV1CB105KY J 1 Ceramic DKEYHB453FE58 (LC-37HV4H) C4153 VCKYTV1CB105KY J 1 Ceramic C4154 VCKYTV1CB105KY J 1 Ceramic MAIN Unit(Continued) C4155 VCCCCY1HH5R0CYJ 5p Ceramic C4156...
  • Page 93 LC-37HV4M LC-37HV4H Ref. No. Part No. Description Code Ref. No. Part No. Description Code DKEYHB453FE54 (LC-37HV4M/M C7702 VCKYCY1EF104ZY J 0.1 Ceramic DKEYHB453FE58 (LC-37HV4H) C7703 VCEAPF1CN226MY J 22 Electrolytic C7704 VCKYCY1EF104ZY J 0.1 Ceramic MAIN Unit(Continued) C7707 VCEASK1EN227MY J 220 Electrolytic...
  • Page 94 LC-37HV4M LC-37HV4H Ref. No. Part No. Description Code Ref. No. Part No. Description Code DKEYHB453FE54 (LC-37HV4M/M R2261 VRS-CY1JF391JY J 390 1/16W Metal Oxide DKEYHB453FE58 (LC-37HV4H) R2262 VRS-CY1JF102JY J 1k 1/16W Metal Oxide R2264 VRS-CY1JF000JY 1/16W Metal Oxide MAIN Unit(Continued) R2265...
  • Page 95 LC-37HV4M LC-37HV4H Ref. No. Part No. Description Code Ref. No. Part No. Description Code DKEYHB453FE54 (LC-37HV4M/M R4220 VRS-CY1JF105FY J 1M 1/16W Metal Oxide DKEYHB453FE58 (LC-37HV4H) R4221 VRS-TX2HF472JY J 4.7k 1/2W Metal Oxide R4222 VRS-TX2HF272JY J 2.7k 1/2W Metal Oxide MAIN Unit(Continued)
  • Page 96 LC-37HV4M LC-37HV4H Ref. No. Part No. Description Code Ref. No. Part No. Description Code DKEYHB453FE54 (LC-37HV4M/M R4925 VRS-CB1JF390JY J 39 1/16W Metal Oxide DKEYHB453FE58 (LC-37HV4H) R4929 VRS-CY1JF000JY 1/16W Metal Oxide R4930 VRS-CY1JF000JY 1/16W Metal Oxide MAIN Unit(Continued) R7703 VRS-TW2ED330JY J 33...
  • Page 97 LC-37HV4M LC-37HV4H Ref. No. Part No. Description Code Ref. No. Part No. Description Code DKEYHB453FE54 (LC-37HV4M/M DUNTKB460FE06 (LC-37HV4M/M DKEYHB453FE58 (LC-37HV4H) DUNTKB460FE08 (LC-37HV4H) MAIN Unit(Continued) AUDIO Unit INTEGRATED CIRCUITS FB7707 RBLN-0252TAZZY J Ferrite Bead FB7708 RBLN-0252TAZZY J Ferrite Bead IC3801 VHiNJM2193M-1Y...
  • Page 98 LC-37HV4M LC-37HV4H Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB460DE06 (LC-37HV4M/M C3883 VCKYCY1HB223KY J 0.022 50V Ceramic DUNTKB460DE08 (LC-37HV4H) C3885 VCKYTV1CF225ZY J 2.2 Ceramic C3886 VCKYTV1CF225ZY J 2.2 Ceramic AUDIO Unit(Continued) C3902 VCKYTV1CF225ZY J 2.2...
  • Page 99 LC-37HV4M LC-37HV4H Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB460DE06 (LC-37HV4M/M R3934 VRS-TV1JD223JY J 22k 1/16W Metal Oxide DUNTKB460DE08 (LC-37HV4H) R3936 VRS-CY1JF102JY J 1k 1/16W Metal Oxide R3937 VRS-CY1JF332JY J 3.3k 1/16W Metal Oxide AUDIO Unit(Continued)
  • Page 100 LC-37HV4M LC-37HV4H Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB461DE06 (LC-37HV4M/M DUNTKB461DE06 (LC-37HV4M/M DUNTKB461DE08 (LC-37HV4H) DUNTKB461DE08 (LC-37HV4H) SPEAKER-L Unit SPEAKER-L Unit CAPACITOR CAPACITOR C201 VCKYCY1HB102KY J 1000p 50V Ceramic C202 VCKYCY1HB102KY J 1000p 50V Ceramic...
  • Page 101 LC-37HV4M LC-37HV4H Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB809DE05 (LC-37HV4M/M C7524 RC-KZ0072TAZZY Ceramic DUNTKB809DE07 (LC-37HV4H) C7525 VCKYCY1HB472KY J 4700p 50V Ceramic C7526 VCKYCY1HB472KY J 4700p 50V Ceramic INVERTER-1 Unit C7527 VCKYCY1HB472KY J 4700p 50V...
  • Page 102 LC-37HV4M LC-37HV4H Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB809DE05 (LC-37HV4M/M DUNTKB810DE05 (LC-37HV4M/M DUNTKB809DE07 (LC-37HV4H) DUNTKB810DE07 (LC-37HV4H) INVERTER-1 Unit(Continued) INVERTER-2 Unit QCNW-A966WJZZ J Connecting Cord TRANSISTORS (MAIN-INV1) Q7611 VS2SC5707++-1Y J 2SC5707 Q7612 VS2SC5707++-1Y J 2SC5707...
  • Page 103 J Plug, 12-pin P7618 QPLGN1478GEZZ J Plug, 4-pin INVERTER-2 Unit P7619 QCNW-A473WJZZ J Connecting Cord C7626 RC-EZA090WJZZ J 1000 Electrolytic P7620 QLUGHA002WJZZ J Lug (LC-37HV4M) C7627 RC-KZ0072TAZZY Ceramic QCNW-A968WJZZ J Connecting Cord C7628 RC-KZ0072TAZZY Ceramic QCNW-B010WJZZ J Connecting Cord C7629 RC-KZ0072TAZZY Ceramic...
  • Page 104 LC-37HV4M LC-37HV4H Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB811DE05 (LC-37HV4M/M R7557 VRS-CY1JF103JY J 10k 1/16W Metal Oxide DUNTKB811DE07 (LC-37HV4H) R7558 VRS-CY1JF333JY J 33k 1/16W Metal Oxide R7559 VRS-TW2ED272JY J 2.7k 1/4W Metal Oxide INVERTER-3 Unit R7560 VRS-TW2ED272JY J 2.7k 1/4W...
  • Page 105 LC-37HV4M LC-37HV4H Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB812DE05 (LC-37HV4M/M R7647 VRS-CY1JF393JY J 39k 1/16W Metal Oxide DUNTKB812DE07 (LC-37HV4H) R7648 VRS-CY1JF223JY J 22k 1/16W Metal Oxide R7649 VRS-TW2ED272JY J 2.7k 1/4W Metal Oxide INVERTER-4 Unit R7650 VRS-TW2ED272JY J 2.7k 1/4W...

  • Page 106: Key Unit

    LC-37HV4M LC-37HV4H Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB813DE05 (LC-37HV4M/M DUNTKB814DE05 (LC-37HV4M/M DUNTKB813DE07 (LC-37HV4H) DUNTKB814DE07 (LC-37HV4H) R/C, LED Unit KEY Unit INTEGRATED CIRCUITS DIODES IC101 VHiTPS819++-1Y J TPS819 D150 RH-EX0879CEZZY J Zener Diode, 12V...
  • Page 107 LC-37HV4M LC-37HV4H Ref. No. Part No. Description Code Ref. No. Part No. Description Code RDENCA039WJZZ (LC-37HV4M/H) D3713 95C0D295A0080 J Diode RDENCA041WJZZ (LC-37HV4M D3714 95C0D295A0080 J Diode D3715 95C0D295A0080 J Diode POWER Unit D3717 95C0D295A0080 J Diode INTEGRATED CIRCUITS D3781 95C0D2027BQ00...
  • Page 108 LC-37HV4M LC-37HV4H Ref. No. Part No. Description Code Ref. No. Part No. Description Code RDENCA039WJZZ (LC-37HV4M/H) C4785 95C0C195E1040 J 0.1 Ceramic RDENCA041WJZZ (LC-37HV4M C4786 95C0C195E1030 J 0.01 Ceramic POWER Unit (Continued) RESISTORS C2783 95C0C195E1040 J 0.1 Ceramic R2701 95C0R390T8230 J 82k 1/4W...
  • Page 109 LC-37HV4M LC-37HV4H Ref. No. Part No. Description Code Ref. No. Part No. Description Code RDENCA039WJZZ (LC-37HV4M/H) R4741 95C0R3Q0V1030 J 10k 1/8W Metal Oxide RDENCA041WJZZ (LC-37HV4M R4742 95C0R3Q1V1030 J 10k 1/8W Metal Oxide R4743 95C0R3Q0V5630 J 56k 1/8W Metal Oxide POWER Unit (Continued)
  • Page 110 – Rear Cabinet — GCOVAA454WJKA J Cover, x4 HiNDP5733CESA J "AQUOS" Label HiNDP5971CESA J Speaker Indication Label, x2 AC HiNDPA358WJSA J Model Label (LC-37HV4M) AH HiNDPA359WJSA J Model Label (LC-37HV4M(X)) HiNDPA360WJSA J Model Label (LC-37HV4H) AH HiNDPA285WJSA J Speaker Terminal Indication Label...
  • Page 111 LC-37HV4M LC-37HV4H CABINET AND MECHANICAL PARTS (Display)

  • Page 112: Cabinet And Mechanical Parts

    LC-37HV4H Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET AND MECHANICAL PARTS DUNTKB814DE05 – KEY Unit(LC-37HV4M/M(X)) — DUNTKB814DE07 – KEY Unit(LC37HV4H) — (Display) (Continued) RDENCA039WJZZ – POWER Unit(LC37HV4H/M) — 5-17 PSPAHA111WJZZ J Spacer, x6 RDENCA041WJZZ –...

  • Page 113: Packing Parts

    Part No. Description Code PACKING PARTS SUPPLIED ACCESSORIES (NOT REPLACEMENT ITEM) GDAi-A059WJSA J Stand SPAKCA561WJZZ – Packing Case(LC-37HV4M) — GLEGGA013WJZZ J Stand Cushion, x1 SPAKCA563WJZZ – Packing Case(LC-37HV4H) — PSPAHA101WJZZ J Stand Spacer, x4 SPAKFA137WJZZ – Packing Case, — XBPSN40P14JS0...
  • Page 114 LC-37HV4M LC-37HV4H Ref. No. Part No. Description Code Ref. No. Part No. Description Code SERVICE JIGS (Use for servicing) QCNW-A407WJZZ J Extension Cable, 30-pin (SC1501-PC I/F) QCNW-A408WJZZ J Extension Cable, 50-pin (SC1502-PC I/F) QCNW-6102CEZZ J Extension Cable, 13-pin (P1701-PC I/F)

  • Page 115: Packing Of The Set

    LC-37HV4M LC-37HV4H PACKING OF THE SET Ferrite Core (RCORFA020WJZZ) Caution Card (TCAUZA044WJZZ:LC-37HV4M/M (TCAUZA045WJZZ:LC-37HV4H) Operation Manual (TiNS-A642WJZZ:LC-37HV4M/M (TiNS-A644WJZZ:LC-37HV4H) Cable Clamp (Large), x1 (LHLDW0110CEZZ) Cable Clamp (Small), x2 (LHLDZ0139CEZZ) Speaker Screw, x4 (XBBSF40P25000) Remote Control Unit (RRMCGA026WJSA:LC-37HV4M/M (RRMCGA086WJSA:LC-37HV4H) AC Cord (QACCBA021WJPZ:LC-37HV4H) (QACCKA007WJPZ:LC-37HV4M)
  • Page 116 LC-37HV4M LC-37HV4H COPYRIGHT © 2003 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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