Sharp LC-37HV4U Manual de servicio Pagina 1

LC-37HV4ULC-37HV4DSERVICE MANUALIn the interests of user-safety (Required by safety regulations in some countries) the set should be restoredto its or

10LC-37HV4ULC-37HV4DUsing external equipmentDigital TV tunerAVC System(rear view)AVC System(front view)AV Receiver(Built-in Tuner Amp)VCRDVD playerGam

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code100LC-37HV4ULC-37HV4DDUNTKB460DE03 (LC-37HV4U)DUNTKB460DE05 (LC-37HV4D)AUDIO

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code101LC-37HV4ULC-37HV4DDUNTKB460DE03 (LC-37HV4U)DUNTKB460DE05 (LC-37HV4D)AUDIO

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code102LC-37HV4ULC-37HV4DDUNTKB809DE02 (LC-37HV4U)DUNTKB809DE04 (LC-37HV4D)INVERT

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code103LC-37HV4ULC-37HV4DC7524 RC-KZ0072TAZZY J 1 25V Ceramic ACC7525 VCKYCY1HB47

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code104LC-37HV4ULC-37HV4DDUNTKB811DE02 (LC-37HV4U)DUNTKB811DE04 (LC-37HV4D)INVERT

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code105LC-37HV4ULC-37HV4DDUNTKB810DE02 (LC-37HV4U)DUNTKB810DE04 (LC-37HV4D)INVERT

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code106LC-37HV4ULC-37HV4DDUNTKB812DE02 (LC-37HV4U)DUNTKB812DE04 (LC-37HV4D)INVERT

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code107LC-37HV4ULC-37HV4DR7647 VRS-CY1JF393JY J 39k 1/16W Metal Oxide AAR7648 VRS

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code108LC-37HV4ULC-37HV4DDIODESD150 RH-EX0879CEZZY J Zener Diode, 12V ADD151 RH-E

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code109LC-37HV4ULC-37HV4DD3714 95C0D295A0080 J Diode AED3715 95C0D295A0080 J Diod

11LC-37HV4ULC-37HV4DBasic adjustment settingsAV input mode menu itemsList of AV menu items to help you withoperationsContrastBrightnessColorTintSharpn

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code110LC-37HV4ULC-37HV4DC4786 95C0C195E1030 J 0.01 50V Ceramic ACRESISTORSR2701

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code111LC-37HV4ULC-37HV4DR4742 95C0R3Q1V1030 J 10k 1/8W Metal Oxide ACR4743 95C0R

112LC-37HV4ULC-37HV4D654321ABCDEFGHCABINET AND MECHANICAL PARTS (Display)3-16031562373-53-33-65-55-215-185-195-195-205-275-245-145-155-13215-125-275-2

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code113LC-37HV4ULC-37HV4DCABINET AND MECHANICAL PARTS(Display)1 CCABAA245WJ01 J F

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code114LC-37HV4ULC-37HV4DSPAKCA491WJZZ – Packing Case (LC-37HV4U) —SPAKCA529WJZZ

115LC-37HV4ULC-37HV4DPACKING OF THE SETPacking Material, for AVC Systeem(SPAKFA236WJZZ)Wrapping Paper, for AVC System(SPAKPA142WJZZ)Operation Manual(T

LC-37HV4ULC-37HV4DCOPYRIGHT © 2003 BY SHARP CORPORATIONALL RIGHTS RESERVED.No part of this publication may be reproduced,stored in a retrieval system,

12LC-37HV4ULC-37HV4DRS-232C port specificationsReturn codeCommand 4-digits Parameter 4-digitsPC Control of the System• When a program is set, the Disp

13LC-37HV4ULC-37HV4DDIMENSIONS2129/64(545)37/32(82)37/16(87.5)12 (305)2129/64(545)12 (305)37/16(87.5)3721/64(948)45/8(117.5)45/8(117.5)237/64(587)277/

14LC-37HV4ULC-37HV4DREMOVING OF MAJOR PARTS 1.Take off the center and lower terminal covers. 2.Remove the two speaker fixing screws each and the spe

15LC-37HV4ULC-37HV4D 9.Open six FFC cable holders and remove the three FFC holder (right & left) fixing screws each and all the connec-tors of fl

16LC-37HV4ULC-37HV4D13.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 p

17LC-37HV4ULC-37HV4D• Handling Precautions for LCD Panel1. Work in a clean room. (Humidity above 50%)2. Operators should wear an earthing band.3. Do n

18LC-37HV4ULC-37HV4DADJUSTMENT PROCEDURESThough the best adjustment is made at shipment from the factory, the following adjustment is required if the

19LC-37HV4ULC-37HV4D5. Adjustment5-1 VLSBIAS/15V voltage adjustmentShift to Item of VLS BIAS cursor up/down key, and select the value by cursor right/

2LC-37HV4ULC-37HV4DSAFETY NOTICEMany electrical and mechanical parts in LCD colortelevision have special safety-related characteristics.These characte

20LC-37HV4ULC-37HV4D~ In this state, enter the command, listed below, and "ENTER" on the keyboard for adjustment.Press "ENTER" and

21LC-37HV4ULC-37HV4DLamp error detection[1] FunctionThis LCD color TV set is equipped with automatic power-off (lamp error detection) function. This s

22LC-37HV4ULC-37HV4D•List of process adjustment modes (Display)Process mode contents Page 0 LCD Page 1LCD Page 2LCD Page 3LCD Page 4

23LC-37HV4ULC-37HV4DProcess adjustment list1st level Page Item Setting range Initial valueContents 1 GRAYLEVEL 0~255 112COM BIAS 0~255 87VLS BIAS 0~25

24LC-37HV4ULC-37HV4DNote that it is necessary to replace the unit when replacing the Config ROM for receiver (IC2202), receiver IC (IC2208) and HDCP k

25LC-37HV4ULC-37HV4DDropout (relating to gray scale)Set PATTERN1 under PATTERN on the adjustment process menu to "2". Is the gray scale pat

26LC-37HV4ULC-37HV4DNoise appears on the moving image when the QS drive is turned ON.Is OSTEMP.AD on the 3rd page of the process adjustment mode set t

27LC-37HV4ULC-37HV4DNo sound comes out. (Connect to the AVC system and check.)Is power supplied to each IC in the audio unit?Is an audio signal appea

2887109654321AB CDEFGHLC-37HV4ULC-37HV4DCHASSIS LAYOUT

291716 1918151413121110LC-37HV4ULC-37HV4D

3LC-37HV4ULC-37HV4DPRECAUTION: POUR LAPROTECTION CONTINUE CONTRELES RISQUES D'INCENDIE,REMPLACER LE FUSIBLECÔTÉ AVC:F701 (T2AL, 250V)CÔTÉ LCD:F75

3087109654321AB CDEFGHLC-37HV4ULC-37HV4DBLOCK DIAGRAMLCD PLCD Back LightMonitorDVI Connector (24pin)(TMDS)SC2201 (ZA017WJ) • TMDS 3X4 • DDC 6• Audio L

311716 1918151413121110LC-37HV4ULC-37HV4DLCD PanelSystem Start-up, AC, Start-up Detection)m Connector (20pin)C2202 (Z2015CE)(TMDS)AUDIOSRSAUDIO1IC3801

3287109654321AB CDEFGHLC-37HV4ULC-37HV4DOVERALL WIRING DIAGRAMMAIN PWBKEY PWBR/C, LED PWBINVERTER-1 PWBINVERTER-2 PWBSPEAKER-R PWBPOWER PWB15181761113

331716 1918151413121110LC-37HV4ULC-37HV4DWBINVERTER-3 PWBINVERTER-4 PWBSPEAKER-L PWBAUDIO PWB121611 1231 41141121121611325 612121213X Gate Source Driv

34LC-37HV4ULC-37HV4DDESCRIPTION OF SCHEMATIC DIAGRAMVOLTAGE MEASUREMENT CONDITION:1. When the exclusive-use AC adapter is used, the colourbar signal o

35654321ABCDEFGHLC-37HV4ULC-37HV4DËËËËË R/C, LED Unit (Display)

3687109654321AB CDEFGHLC-37HV4ULC-37HV4DË MAIN Unit-1/9 (Display)

371716 1918151413121110LC-37HV4ULC-37HV4D

3887109654321AB CDEFGHLC-37HV4ULC-37HV4DË MAIN Unit-2/9 (Display)

391716 1918151413121110LC-37HV4ULC-37HV4D

4LC-37HV4ULC-37HV4DPrecautions for using lead-free solder1 Employing lead-free solder"PWBs" of this model employs lead-free solder. The LF s

4087109654321AB CDEFGHLC-37HV4ULC-37HV4DË MAIN Unit-3/9 (Display)

411716 1918151413121110LC-37HV4ULC-37HV4D

4287109654321AB CDEFGHLC-37HV4ULC-37HV4DË MAIN Unit-4/9 (Display)

431716 1918151413121110LC-37HV4ULC-37HV4D

4487109654321AB CDEFGHLC-37HV4ULC-37HV4DË MAIN Unit-5/9 (Display)

451716 1918151413121110LC-37HV4ULC-37HV4D

4687109654321AB CDEFGHLC-37HV4ULC-37HV4DË MAIN Unit-6/9 (Display)

471716 1918151413121110LC-37HV4ULC-37HV4D

4887109654321AB CDEFGHLC-37HV4ULC-37HV4DË MAIN Unit-7/9 (Display)

491716 1918151413121110LC-37HV4ULC-37HV4D

5LC-37HV4ULC-37HV4DSPECIFICATIONSItem 37 LIQUID CRYSTAL TELEVISION, Model: LC-37HV4U/LC-37HV4DTVFunctionAmerican TV Standard NTSC SystemVHF/UHFVHF 2-

5087109654321AB CDEFGHLC-37HV4ULC-37HV4DË MAIN Unit-8/9 (Display)

511716 1918151413121110LC-37HV4ULC-37HV4D

5287109654321AB CDEFGHLC-37HV4ULC-37HV4DË MAIN Unit-9/9 (Display)

531716 1918151413121110LC-37HV4ULC-37HV4D

5487109654321AB CDEFGHLC-37HV4ULC-37HV4DËËËËË AUDIO Unit-1/2 (Display)

551716 1918151413121110LC-37HV4ULC-37HV4D

5687109654321AB CDEFGHLC-37HV4ULC-37HV4DËËËËË AUDIO Unit-2/2 (Display)

571716 1918151413121110LC-37HV4ULC-37HV4D

654321ABCDEFGH58LC-37HV4ULC-37HV4DËËËËË INVERTER-1 Unit (Display)

59654321ABCDEFGHLC-37HV4ULC-37HV4DË INVERTER-2 Unit (Display)

6LC-37HV4ULC-37HV4DOPERATION MANUALPart namesOPC indicator*POWER indicatorMAIN POWERbuttonOPC sensorDisplayPOWER buttonINPUTbuttonVOLUME buttons(VOL/

654321ABCDEFGH60LC-37HV4ULC-37HV4DËËËËË INVERTER-3 Unit (Display)

61654321ABCDEFGHLC-37HV4ULC-37HV4DË INVERTER-4 Unit (Display)

6287109654321AB CDEFGHLC-37HV4ULC-37HV4DËËËËË Power Unit (Display)

631716 1918151413121110LC-37HV4ULC-37HV4D

654321ABCDEFGH64LC-37HV4ULC-37HV4DË KEY Unit (Display)

65654321ABCDEFGHLC-37HV4ULC-37HV4DËËËËË SPEAKER-R Unit (Display)Ë SPEAKER-L Unit (Display)

6687109654321AB CDEFGHLC-37HV4ULC-37HV4DMAIN Unit (Side-A)PRINTED WIRING BOARD ASSEMBLIESËËËËË Display

671716 1918151413121110LC-37HV4ULC-37HV4D

6887109654321AB CDEFGHLC-37HV4ULC-37HV4DMAIN Unit (Chip Parts Side-A)ËËËËË DisplayTP2235CN2002FDC15L7702C7708C7725L7708L7705C7723C7726L7707TP2241L7709

691716 1918151413121110LC-37HV4ULC-37HV4DFL2212 FL2211 FL2210 FL2209R2254X2201R2264FDC1R2236C2211C2255IC2206SC2201R2205C2212R2278R2276C2237R2244R2262F

7LC-37HV4ULC-37HV4DPart namesRemote control unitNOTE• When using the remote control unit, point it at the LiquidCrystal Television.• See pages for ope

7087109654321AB CDEFGHLC-37HV4ULC-37HV4DMAIN Unit (Side-B)ËËËËË Display

711716 1918151413121110LC-37HV4ULC-37HV4D

7287109654321AB CDEFGHLC-37HV4ULC-37HV4DMAIN Unit (Chip Parts Side-B)ËËËËË DisplayTL2019TL2029TL2020TL2021TL2022TL2023TL2024TL2025TL2026TL2038TL7708TL

731716 1918151413121110LC-37HV4ULC-37HV4D30Q2204C2234C2277R2226C2251C2233C2250D2205C2231R2231C2278Q2202C2249C2253FB2203D2219C2216C2269C2270C2248C2256R

7487109654321AB CDEFGHLC-37HV4ULC-37HV4DAUDIO Unit (Component Side)ËËËËË Display

751716 1918151413121110LC-37HV4ULC-37HV4D

7687109654321AB CDEFGHLC-37HV4ULC-37HV4DËËËËË DisplayAUDIO Unit (Chip Parts Side)PQ38C3922C3927R3938C3918C3934C3937R3940C3938R3943Q3812R3953C3929C3917

771716 1918151413121110LC-37HV4ULC-37HV4DJ3802R3845P3813C3843C3845R3848C3834C3839C3842R3850C3849C3832 R3836R3838C3831C3830C3836R3834IC3803C3837C3848R3

7887109654321AB CDEFGHLC-37HV4ULC-37HV4DËËËËË DisplayINVERTER-1 Unit (Chip Parts Side)INVERTER-1 Unit (Component Side)P7504C7518R7520R7519R7517C7517D7

791716 1918151413121110LC-37HV4ULC-37HV4DR7531C7519 R7532D7508R7524 C7522C7512L7503C7508FH7505FH7503L7502FH7506FH7504R7507C7507P7505R7508Q7506P7506C75

8LC-37HV4ULC-37HV4DSetting the System in placeHandling the DisplayCAUTION• The Display is very heavy. Move it with two or more people.• Do not remove

8087109654321AB CDEFGHLC-37HV4ULC-37HV4DËËËËË DisplayINVERTER-2 Unit (Chip Parts Side)INVERTER-2 Unit (Component Side)R7562R7559 Q7559R7561C7561C7559R

811716 1918151413121110LC-37HV4ULC-37HV4DP7552T7553Q7554Q7555C7555C7571R7555R7556C7556FH7554FH7552Q7556Q7553 R7552R7557D7560C7553R7553C7557 D7561R7554

8287109654321AB CDEFGHLC-37HV4ULC-37HV4DËËËËË DisplayINVERTER-3 Unit (Chip Parts Side)INVERTER-3 Unit (Component Side)C7624R7624C7623C7610R7625C7625R7

831716 1918151413121110LC-37HV4ULC-37HV4DP7615FH7616FH7614FH7615FH7613C7622L7612C7618D7617C7631R7640R7639Z2P7612R7675R7680D7618C7632C7633D7620R7676T76

8487109654321AB CDEFGHLC-37HV4ULC-37HV4DËËËËË DisplayINVERTER-4 Unit (Chip Parts Side)INVERTER-4 Unit (Component Side)P7643FDC1R7654R7653R7655D7641 D7

851716 1918151413121110LC-37HV4ULC-37HV4DC7662C7645Q7645Q7644T7643P7642R7661R7666R7665C7657D7645 D7647C7656R7662Q7651Q7650Q7652R7663 R7669R7658R7664 R

654321ABCDEFGH86LC-37HV4ULC-37HV4DËËËËË DisplayPOWER Unit (Component Side)

87654321ABCDEFGHLC-37HV4ULC-37HV4DËËËËË DisplayPOWER Unit (Wiring Side)

654321ABCDEFGH88LC-37HV4ULC-37HV4DËËËËË DisplaySPEAKER-L Unit (Component Side)D202C203FB201P205P203P201FB202C204C201D201J201SPEAKER-L Unit (Chip Parts

89654321ABCDEFGHLC-37HV4ULC-37HV4DËËËËË DisplayKEY Unit (Component Side)S156P152C150R153P151P153S150R150S151D150S152R151S153D151S154R152D152S155KEY Un

9LC-37HV4ULC-37HV4DPreparation45Attaching the clamps and bundling the cables with the clampClosing the terminal coverCable clamp (Large)Insert the cab

654321ABCDEFGH90LC-37HV4ULC-37HV4DR/C, LED Unit (Component Side)(QPWBSB813WJN1)R/C, LED Unit (Chip Parts Side)(QPWBSB813WJN1)P101P102C101D101RMC101C10

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code91LC-37HV4ULC-37HV4DRef. No. Part No. ★ Description CodeRef. No. Part No. ★ D

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code92LC-37HV4ULC-37HV4DDKEYHB453DE53 (LC-37HV4U)DKEYHB453DE56 (LC-37HV4D)MAIN Un

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code93LC-37HV4ULC-37HV4DDKEYHB453DE53 (LC-37HV4U)DKEYHB453DE56 (LC-37HV4D)MAIN Un

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code94LC-37HV4ULC-37HV4DDKEYHB453DE53 (LC-37HV4U)DKEYHB453DE56 (LC-37HV4D)MAIN Un

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code95LC-37HV4ULC-37HV4DDKEYHB453DE53 (LC-37HV4U)DKEYHB453DE56 (LC-37HV4D)MAIN Un

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code96LC-37HV4ULC-37HV4DDKEYHB453DE53 (LC-37HV4U)DKEYHB453DE56 (LC-37HV4D)MAIN Un

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code97LC-37HV4ULC-37HV4DDKEYHB453DE53 (LC-37HV4U)DKEYHB453DE56 (LC-37HV4D)MAIN Un

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code98LC-37HV4ULC-37HV4DDKEYHB453DE53 (LC-37HV4U)DKEYHB453DE56 (LC-37HV4D)MAIN Un

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code99LC-37HV4ULC-37HV4DFB7707 RBLN-0252TAZZY J Ferrite Bead AAFB7708 RBLN-0252TA