Sharp LC-37HV4U Service Manual

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Operation manual (87 pages)

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SHARP CORPORATION

SERVICE MANUAL

LCD COLOR TELEVISION

MODELS

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CONTENTS

Page

» OVERALL WIRING DIAGRAM ........................... 32

» DESCRIPTION OF SCHEMATIC DIAGRAM ..... 34

» SCHEMATIC DIAGRAM ..................................... 35

» PRINTED WIRING BOARD ASSEMBLIES........ 66

» PARTS LIST ....................................................... 91

» PACKING OF THE SET ................................... 115

This document has been published to be used for

after sales service only.

The contents are subject to change without notice.

S33Y4LC37HV4U

LC-37HV4U

LC-37HV4D

LC-37HV4U

LC-37HV4D

Page

Table of Contents

Summary of Contents for Sharp LC-37HV4U

Page 1: Table Of Contents
LC-37HV4U LC-37HV4D SERVICE MANUAL S33Y4LC37HV4U LCD COLOR TELEVISION LC-37HV4U LC-37HV4D MODELS 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.
Page 2: Important Service Safety Precaution
LC-37HV4U LC-37HV4D 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-37HV4U LC-37HV4D PRECAUTIONS A PRENDRE LORS DE LA REPARATION Ë Ne peut effectuer la réparation qu' un technicien spécialisé qui s'est parfaitement accoutumé à toute vérification de sécurité et aux conseils suivants. de 0,15µF en série avec toutes les pièces métalliques AVERTISSEMENT exposées du coffret et une terre connue comme une...
Page 4 LC-37HV4U LC-37HV4D 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 5: Specifications
LC-37HV4U LC-37HV4D SPECIFICATIONS Item 37 LIQUID CRYSTAL TELEVISION, Model: LC-37HV4U/LC-37HV4D LCD panel 37 Advanced Super View & BLACK TFT LCD Number of dots 3,147,264 dots (1366 3dots) TV-standard (CCIR) American TV Standard NTSC System Function Receiving VHF/UHF VHF 2-13ch, UHF 14-69ch...
Page 6: Operation Manual
LC-37HV4U LC-37HV4D OPERATION MANUAL...
Page 7 LC-37HV4U LC-37HV4D...
Page 8 LC-37HV4U LC-37HV4D...
Page 9 LC-37HV4U LC-37HV4D...
Page 10 LC-37HV4U LC-37HV4D...
Page 11 LC-37HV4U LC-37HV4D...
Page 12 LC-37HV4U LC-37HV4D...
Page 13: Dimensions
LC-37HV4U LC-37HV4D DIMENSIONS Display Unit: inch/(mm) (545) (87.5) (117.5) (948) (117.5) (819.6) (545) 12 (305) (1184) (200)
Page 14: Removing Of Major Parts
LC-37HV4U LC-37HV4D 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 15 LC-37HV4U LC-37HV4D 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 16 LC-37HV4U LC-37HV4D 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 17 LC-37HV4U LC-37HV4D • 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 18: 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: DKEYHB453FE53 (LC-37HV4U) DKEYHB453FE56 (LC-37HV4D) 2. Adjustment Enter Adjustment Process mode. → VLSBIAS/15V voltage adjustment →...
Page 19 LC-37HV4U LC-37HV4D 5. Adjustment 5-1 VLSBIAS/15V voltage adjustment Shift to Item of VLS BIAS cursor up/down key, and select the value by cursor right/left key. Connect the digital voltage meter to MAIN PWB TP4101/No.30 pin of panel gate socket CN4102, and adjust to be 15.00±0.05V by the cursor up/down key.
Page 20 LC-37HV4U LC-37HV4D ~ 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 21 LC-37HV4U LC-37HV4D 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 22 LC-37HV4U LC-37HV4D •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 23 LC-37HV4U LC-37HV4D 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 24: Trouble Shooting Table
LC-37HV4U LC-37HV4D TROUBLE SHOOTING TABLE No image or sound comes out. Is the power LED lit up Is the power LED Is the AC cord Replace the AC cord. normal? in green? flashing in red? Is it flashing once in Proceed to "The backlight does...
Page 25 LC-37HV4U LC-37HV4D 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 26 LC-37HV4U LC-37HV4D 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 27 LC-37HV4U LC-37HV4D TROUBLE SHOOTING TABLE (Continued) No sound comes out. (Connect to the AVC system and check.) Check around the Is power supplied to each IC power regulator circuit in the audio unit? (IC3809, IC3810). Is an audio signal appearing...
Page 28: Chassis Layout
LC-37HV4U LC-37HV4D CHASSIS LAYOUT...
Page 29 LC-37HV4U LC-37HV4D...
Page 30: Block Diagram
LC-37HV4U LC-37HV4D 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 IC4301 CPLD RGB 8X3 RGB 8X3 IC4303 Rewrite (A345WJ) Connector...
Page 31: Lcd Panel
LC-37HV4U LC-37HV4D 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 32: Overall Wiring Diagram
LC-37HV4U LC-37HV4D 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 33 LC-37HV4U LC-37HV4D 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 34: Description Of Schematic Diagram
LC-37HV4U LC-37HV4D 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 35: Schematic Diagram
LC-37HV4U LC-37HV4D Ë Ë Ë Ë Ë R/C, LED Unit (Display)
Page 36 LC-37HV4U LC-37HV4D Ë MAIN Unit-1/9 (Display)
Page 37 LC-37HV4U LC-37HV4D...
Page 38 LC-37HV4U LC-37HV4D Ë MAIN Unit-2/9 (Display)
Page 39 LC-37HV4U LC-37HV4D...
Page 40 LC-37HV4U LC-37HV4D Ë MAIN Unit-3/9 (Display)
Page 41 LC-37HV4U LC-37HV4D...
Page 42 LC-37HV4U LC-37HV4D Ë MAIN Unit-4/9 (Display)
Page 43 LC-37HV4U LC-37HV4D...
Page 44 LC-37HV4U LC-37HV4D Ë MAIN Unit-5/9 (Display)
Page 45 LC-37HV4U LC-37HV4D...
Page 46 LC-37HV4U LC-37HV4D Ë MAIN Unit-6/9 (Display)
Page 47 LC-37HV4U LC-37HV4D...
Page 48 LC-37HV4U LC-37HV4D Ë MAIN Unit-7/9 (Display)
Page 49 LC-37HV4U LC-37HV4D...
Page 50 LC-37HV4U LC-37HV4D Ë MAIN Unit-8/9 (Display)
Page 51 LC-37HV4U LC-37HV4D...
Page 52 LC-37HV4U LC-37HV4D Ë MAIN Unit-9/9 (Display)
Page 53 LC-37HV4U LC-37HV4D...
Page 54 LC-37HV4U LC-37HV4D Ë Ë Ë Ë Ë AUDIO Unit-1/2 (Display)
Page 55 LC-37HV4U LC-37HV4D...
Page 56 LC-37HV4U LC-37HV4D Ë Ë Ë Ë Ë AUDIO Unit-2/2 (Display)
Page 57 LC-37HV4U LC-37HV4D...
Page 58 LC-37HV4U LC-37HV4D Ë Ë Ë Ë Ë INVERTER-1 Unit (Display)
Page 59 LC-37HV4U LC-37HV4D Ë INVERTER-2 Unit (Display)
Page 60 LC-37HV4U LC-37HV4D Ë Ë Ë Ë Ë INVERTER-3 Unit (Display)
Page 61 LC-37HV4U LC-37HV4D Ë INVERTER-4 Unit (Display)
Page 62 LC-37HV4U LC-37HV4D Ë Ë Ë Ë Ë Power Unit (Display)
Page 63 LC-37HV4U LC-37HV4D...
Page 64 LC-37HV4U LC-37HV4D Ë KEY Unit (Display)
Page 65 LC-37HV4U LC-37HV4D Ë SPEAKER-L Unit (Display) Ë Ë Ë Ë Ë SPEAKER-R Unit (Display)
Page 66: Printed Wiring Board Assemblies
LC-37HV4U LC-37HV4D PRINTED WIRING BOARD ASSEMBLIES Ë Ë Ë Ë Ë Display MAIN Unit (Side-A)
Page 67 LC-37HV4U LC-37HV4D...
Page 68 LC-37HV4U LC-37HV4D 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 69 LC-37HV4U LC-37HV4D 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 70 LC-37HV4U LC-37HV4D Ë Ë Ë Ë Ë Display MAIN Unit (Side-B)
Page 71 LC-37HV4U LC-37HV4D...
Page 72 LC-37HV4U LC-37HV4D 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 73 LC-37HV4U LC-37HV4D 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 74 LC-37HV4U LC-37HV4D Ë Ë Ë Ë Ë Display AUDIO Unit (Component Side)
Page 75 LC-37HV4U LC-37HV4D...
Page 76 LC-37HV4U LC-37HV4D 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 77 LC-37HV4U LC-37HV4D 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 78 LC-37HV4U LC-37HV4D 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 79 LC-37HV4U LC-37HV4D P7502 P7501 R7529 R7531 C7521 C7519 R7532 D7507 D7508 R7537 R7530 R7524 C7522 R7538 D7511 C7524 D7509 D7512 D7510 R7507 C7525 C7507 R7541 R7504 C7505 Q7503 R7502 C7528 C7527 C7501 R7501 C7506 P7506...
Page 80 LC-37HV4U LC-37HV4D Ë Ë Ë Ë Ë Display INVERTER-2 Unit (Component Side) P7553 P7552 R7563 C7563 C7564 C7566 D7555 D7552 D7551 R7566 R7564 R7572 R7565 R7571 D7553 D7556 FH7555 FH7556 C7574 R7560 C7560 C7559 C7555 R7559 Q7559 C7572 C7571 R7562...
Page 81 LC-37HV4U LC-37HV4D P7552 P7551 R7569 R7575 C7565 C7568 D7557 D7554 D7558 R7570 R7578 R7576 R7577 D7559 C7569 C7552 R7551 R7558 R7554 C7557 D7561 C7555 C7551 R7557 Q7553 R7552 C7571...
Page 82 LC-37HV4U LC-37HV4D Ë Ë Ë Ë Ë Display INVERTER-3 Unit (Component Side) P7618 R7624 C7623 R7620 C7619 R7623 Q7622 Q7619 R7626 R7619 D7624 D7613 D7616 C7627 R7630 R7636 D7611 D7612 D7614 D7615 P7614 P7613 INVERTER-3 Unit (Chip Parts Side)
Page 83 LC-37HV4U LC-37HV4D P7616 R7614 Q7613 R7611 C7611 C7604 C7615 R7685 R7615 D7623 C7612 R7612 R7618 C7634 R7616 R7617 FH7612 FH7611 C7617 C7605 Q7616 D7619 D7622 R7676 D7620 D7617 D7618 P7612 P7611...
Page 84 LC-37HV4U LC-37HV4D 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 85 LC-37HV4U LC-37HV4D 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 86 LC-37HV4U LC-37HV4D Ë Ë Ë Ë Ë Display POWER Unit (Component Side)
Page 87 LC-37HV4U LC-37HV4D Ë Ë Ë Ë Ë Display POWER Unit (Wiring Side)
Page 88 LC-37HV4U LC-37HV4D 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 LC-37HV4U LC-37HV4D 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 90 LC-37HV4U LC-37HV4D 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 91: Parts List
4. DESCRIPTION in USA: Contact your nearest SHARP Parts Distributor to order. in CANADA: Contact SHARP Electronics of Canada Limited For location of SHARP Parts Distributor, Please call Toll- Phone (416) 890-2100 Free; 1-800-BE-SHARP MARK: SPARE PARTS-DELIVERY SECTION MARQUE: SECTION LIVRAISON DES PIECES DE RECHANGE Ref.
Page 92 LC-37HV4U LC-37HV4D Ref. No. Part No. Description Code Ref. No. Part No. Description Code DKEYHB453DE53 (LC-37HV4U) Q2211 VSDTC114EE/-1Y J DTC114EE DKEYHB453DE56 (LC-37HV4D) Q2212 VS2SA1530AR-1Y J 2SA1530AR Q2213 VSDTA114EE/-1Y J DTA114EE MAIN Unit (Display) Q2214 VSDTC114EE/-1Y J DTC114EE INTEGRATED CIRCUITS Q2215 VSDTC114EE/-1Y...
Page 93 LC-37HV4U LC-37HV4D Ref. No. Part No. Description Code Ref. No. Part No. Description Code DKEYHB453DE53 (LC-37HV4U) C2002 RC-KZ1025CEZZY J 1 Ceramic DKEYHB453DE56 (LC-37HV4D) C2003 VCKYCY1HB103KY J 0.01 Ceramic C2004 VCKYCY1EF104ZY J 0.1 Ceramic MAIN Unit (Display) (Continued) C2005 VCKYCY1EF104ZY J 0.1...
Page 94 LC-37HV4U LC-37HV4D Ref. No. Part No. Description Code Ref. No. Part No. Description Code DKEYHB453DE53 (LC-37HV4U) C4152 VCKYTV1CB105KY J 1 Ceramic DKEYHB453DE56 (LC-37HV4D) C4153 VCKYTV1CB105KY J 1 Ceramic C4154 VCKYTV1CB105KY J 1 Ceramic MAIN Unit (Display) (Continued) C4155 VCCCCY1HH5R0CYJ 5p...
Page 95 LC-37HV4U LC-37HV4D Ref. No. Part No. Description Code Ref. No. Part No. Description Code DKEYHB453DE53 (LC-37HV4U) C7702 VCKYCY1EF104ZY J 0.1 Ceramic DKEYHB453DE56 (LC-37HV4D) C7703 VCEAPF1CN226MY J 22 Electrolytic C7704 VCKYCY1EF104ZY J 0.1 Ceramic MAIN Unit (Display) (Continued) C7707 VCEASK1EN227MY J 220...
Page 96 LC-37HV4U LC-37HV4D Ref. No. Part No. Description Code Ref. No. Part No. Description Code DKEYHB453DE53 (LC-37HV4U) R2261 VRS-CY1JF391JY J 390 1/16W Metal Oxide DKEYHB453DE56 (LC-37HV4D) R2262 VRS-CY1JF102JY J 1k 1/16W Metal Oxide R2264 VRS-CY1JF000JY 1/16W Metal Oxide MAIN Unit (Display) (Continued)
Page 97 LC-37HV4U LC-37HV4D Ref. No. Part No. Description Code Ref. No. Part No. Description Code DKEYHB453DE53 (LC-37HV4U) R4220 VRS-CY1JF105FY J 1M 1/16W Metal Oxide DKEYHB453DE56 (LC-37HV4D) R4221 VRS-TX2HF472JY J 4.7k 1/2W Metal Oxide R4222 VRS-TX2HF272JY J 2.7k 1/2W Metal Oxide MAIN Unit (Display) (Continued)
Page 98 LC-37HV4U LC-37HV4D Ref. No. Part No. Description Code Ref. No. Part No. Description Code DKEYHB453DE53 (LC-37HV4U) R4925 VRS-CB1JF390JY J 39 1/16W Metal Oxide DKEYHB453DE56 (LC-37HV4D) R4929 VRS-CY1JF000JY 1/16W Metal Oxide R4930 VRS-CY1JF000JY 1/16W Metal Oxide MAIN Unit (Display) (Continued) R7703...
Page 99 LC-37HV4U LC-37HV4D Ref. No. Part No. Description Code Ref. No. Part No. Description Code DKEYHB453DE53 (LC-37HV4U) DUNTKB460DE03 (LC-37HV4U) DKEYHB453DE56 (LC-37HV4D) DUNTKB460DE05 (LC-37HV4D) MAIN Unit (Display) (Continued) AUDIO Unit (Display) INTEGRATED CIRCUITS FB7707 RBLN-0252TAZZY J Ferrite Bead FB7708 RBLN-0252TAZZY J Ferrite Bead...
Page 100 LC-37HV4U LC-37HV4D Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB460DE03 (LC-37HV4U) C3883 VCKYCY1HB223KY J 0.022 50V Ceramic DUNTKB460DE05 (LC-37HV4D) C3885 VCKYTV1CF225ZY J 2.2 Ceramic C3886 VCKYTV1CF225ZY J 2.2 Ceramic AUDIO Unit (Display) (Continued) C3902 VCKYTV1CF225ZY J 2.2...
Page 101 LC-37HV4U LC-37HV4D Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB460DE03 (LC-37HV4U) R3897 VRS-CY1JF473JY J 47k 1/16W Metal Oxide DUNTKB460DE05 (LC-37HV4D) R3901 VRS-CY1JF562JY J 5.6k 1/16W Metal Oxide R3903 VRS-CY1JF103JY J 10k 1/16W Metal Oxide AUDIO Unit (Display) (Continued)
Page 102 LC-37HV4U LC-37HV4D Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB461DE03 (LC-37HV4U) DUNTKB809DE02 (LC-37HV4U) DUNTKB461DE05 (LC-37HV4D) DUNTKB809DE04 (LC-37HV4D) SPEAKER-L Unit (Display) INVERTER-1 Unit (Display) CAPACITOR TRANSISTORS C201 VCKYCY1HB102KY J 1000p 50V Ceramic Q7501 VS2SC5707++-1Y J 2SC5707++...
Page 103 LC-37HV4D Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB809DE02 (LC-37HV4U) P7506 QPLGN0177FJZZY J Plug, 5-pin(PG) DUNTKB809DE04 (LC-37HV4D) P7507 QPLGN1478GEZZ J Plug, 14-pin P7508 QPLGZ1213CEZZ J Plug, 12-pin INVERTER-1 Unit (Display) (Continued) P7509 QCNW-A473WJZZ J Connecting Cord(GND)
Page 104 LC-37HV4U LC-37HV4D Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB811DE02 (LC-37HV4U) R7557 VRS-CY1JF103JY J 10k 1/16W Metal Oxide DUNTKB811DE04 (LC-37HV4D) R7558 VRS-CY1JF333JY J 33k 1/16W Metal Oxide R7559 VRS-TW2ED272JY J 2.7k 1/4W Metal Oxide INVERTER-2 Unit (Display) R7560 VRS-TW2ED272JY J 2.7k 1/4W...
Page 105 LC-37HV4U LC-37HV4D Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB810DE02 (LC-37HV4U) C7626 RC-EZA090WJZZ J 1000 Electrolytic DUNTKB810DE04 (LC-37HV4D) C7627 RC-KZ0072TAZZY Ceramic C7628 RC-KZ0072TAZZY Ceramic INVERTER-3 Unit (Display) C7629 RC-KZ0072TAZZY Ceramic TRANSISTORS C7630 RC-KZ0072TAZZY Ceramic C7631...
Page 106 LC-37HV4U LC-37HV4D Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB810DE02 (LC-37HV4U) DUNTKB812DE02 (LC-37HV4U) DUNTKB810DE04 (LC-37HV4D) DUNTKB812DE04 (LC-37HV4D) INVERTER-3 Unit (Display) (Continued) INVERTER-4 Unit (Display) TRANSISTORS QCNW-A968WJZZ J Connecting Cord (POW-INV3/4) Q7641 VS2SC5707++-1Y J 2SC5707++ QCNW-B010WJZZ...
Page 107 LC-37HV4U LC-37HV4D Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB812DE02 (LC-37HV4U) DUNTKB813DE02 (LC-37HV4U) DUNTKB812DE04 (LC-37HV4D) DUNTKB813DE04 (LC-37HV4D) INVERTER-4 Unit (Display) (Continued) R/C, LED Unit (Display) INTEGRATED CIRCUITS R7647 VRS-CY1JF393JY J 39k 1/16W Metal Oxide R7648...
Page 108 LC-37HV4U LC-37HV4D Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB814DE02 (LC-37HV4U) RDENCA032WJZZ (LC-37HV4U) DUNTKB814DE04 (LC-37HV4D) RDENCA041WJZZ (LC-37HV4D) KEY Unit (Display) POWER Unit (Display) DIODES INTEGRATED CIRCUITS D150 RH-EX0879CEZZY J Zener Diode, 12V IC2701 95C0H1151AS00 J MIP0255SPSCF...
Page 109 LC-37HV4U LC-37HV4D Ref. No. Part No. Description Code Ref. No. Part No. Description Code RDENCA032WJZZ (LC-37HV4U) C2719 95C0C176Q4720 J 4700p AC250V Ceramic å RDENCA041WJZZ (LC-37HV4D) C2721 95C0C176Q2220 J 2200p AC250V Ceramic å C2781 95C0C3A0D3310 J 330 Electrolytic POWER Unit (Display) (Continued)
Page 110 LC-37HV4U LC-37HV4D Ref. No. Part No. Description Code Ref. No. Part No. Description Code RDENCA032WJZZ (LC-37HV4U) R3751 95C0R3Q0V1030 J 10k 1/8W Metal Oxide RDENCA041WJZZ (LC-37HV4D) R3753 95C0R3Q0V1020 J 1k 1/8W Metal Oxide R3754 95C0R3Q0V1030 J 10k 1/8W Metal Oxide POWER Unit (Display) (Continued)
Page 111 LC-37HV4U LC-37HV4D Ref. No. Part No. Description Code Ref. No. Part No. Description Code RDENCA032WJZZ (LC-37HV4U) CN3701 95CK2144BS007 J Connector, S07B-PASK-2 RDENCA041WJZZ (LC-37HV4D) CN3702 95C0K225B0040 J Connector, B4PS-VH CN4701 95C0K225B0040 J Connector, B4PS-VH POWER Unit (Display) (Continued) CN4702 95CK2025BQ003 J Connector, B3PS-VH...
Page 112 LC-37HV4U LC-37HV4D CABINET AND MECHANICAL PARTS (Display)
Page 113: Cabinet And Mechanical Parts
J Fluorescent Lamp, x7 å (LC-37HV4DU) LANGKA078WJ01 J Sheet Fixing Angle DUNTKB813DE02 – R/C, LED Unit (LC-37HV4U) — LANGKA078WJFW J Sheet Fixing Angle(Top) DUNTKB813DE04 – R/C, LED Unit (LC-37HV4D) — LANGKA079WJFW J Sheet Fixing Angle(Side), x2 AH DUNTKB814DE02 – KEY Unit (LC-37HV4U) —...
Page 114: Packing Parts
Code PACKING PARTS CABINET AND MECHANICAL PARTS (NOT REPLACEMENT ITEM) (Display) (Continued) DUNTKB461DE05 – SPEAKER-L Unit — SPAKCA491WJZZ – Packing Case (LC-37HV4U) — (LC-37HV4D) SPAKCA529WJZZ – Packing Case (LC-37HV4D) — DUNTKB462DE03 – SPEAKER-R Unit — SPAKFA137WJZZ – Packing Material, —...
Page 115: Packing Of The Set
(QACCDA019WJPZ:LC-37HV4U) Stand(for AVC System) (GDAi-A059WJSA) Stand Cushion, x4 (GLEGGA013WJZZ) Stand Spacer, x4 (PSPAHA101WJZZ) Stand Screw, x2 (XBPSN40P14JS0) System Cable (QCNW-6117CEZZ) RF Cable (QCNW-A342WJZZ) Questionnaire Card (TCADE028WJZZ:LC-37HV4U) Core (RCORFA020WJZZ:LC-37HV4D) Caution Sheet (TCAUZA042WJZZ:LC-37HV4D) Packing Case(for Accessory) "AA" size Alkaline Battery (x2) (SPAKFA237WJZZ)
Page 116 LC-37HV4U LC-37HV4D 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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