Sharp LC-15B4US Service Manual

LC-15B4U-SLC-15B4U-BSERVICE MANUALIn the interests of user-safety (Required by safety regulations in some countries) the set should be re-stored to it

10LC-15B4U-SLC-15B4U-B9. Remove the inverter PWB fixing screws (2 pcs.).10. Remove the main PWB fixing screws (3 pcs.).11. Detach the chassis frame co

11LC-15B4U-SLC-15B4U-B» Precautions in handling the LCD panels1. Work in a clean room (with humidities below 50%).2. Be sure to wear an anti-static ar

12LC-15B4U-SLC-15B4U-BStep Part No. Description1 QCNW-A556WJZZ Extension Cable 50-pin Main (SC2002)-Tuner (SC3403)2 QCNW-A553WJZZ Extension Cable 30-p

13LC-15B4U-SLC-15B4U-BADJUSTING PROCEDURE OF EACH SECTIONThe best adjustment is made before shipping. If any position deviation is found or after part

14LC-15B4U-SLC-15B4U-B4. Adjustments1 B+ Adjustment(R3714)2 Inch Size setup(If E2PROM is replaced)(IC2010)3 Common-bias adjustment4 TAMP adjustmentAdj

15LC-15B4U-SLC-15B4U-B5 White balance adjustment6 Checking and modifyingthe settings adjustment(If E2PROM is replaced)Adjustment Adjusting conditions

16LC-15B4U-SLC-15B4U-B5. Shipping setting listEZ SETUP AUTO START ...

17LC-15B4U-SLC-15B4U-BTest patterns in adjustment process mode[1] IC801 (Video decoder) test patterns1-1. Getting the test patterns displayedPut the s

18LC-15B4U-SLC-15B4U-BPin No. Name of Terminal I/O Name of Function Function in Normal Times1 VHOLD1 I Vhold For CLOSED CAPTION2 HLF1 I/O HLF For CLOS

19LC-15B4U-SLC-15B4U-BPin No. Name of Terminal I/O Name of Function Function in Normal Times51 P43/A19 O L REQ Adjusting process52 P42/A18 O L LED_POW

2LC-15B4U-SLC-15B4U-BCAUTION: FOR CONTINUEDPROTECTION AGAINST A RISK OFFIRE REPLACE ONLY WITH SAMETYPE F3701 (2.0A, 250V), F3702(1.25A, 250V), F6500 (

20LC-15B4U-SLC-15B4U-BTable of Adjusting Process Defaults1000 order100 and 10 ordersItem Initial Values Min. Value Max. Value Display ContentTitle No.

21LC-15B4U-SLC-15B4U-B1000 order100 and 10 ordersItem Initial Values Min. Value Max. Value Display ContentTitle No. Page No.1 SOUND3 EXT GEQ BAND1 +1.

22LC-15B4U-SLC-15B4U-B1000 order100 and 10 ordersItem Initial Values Min. Value Max. Value Display ContentTitle No. Page No.2 VPC6PAL-M TV CONTRAST48

23LC-15B4U-SLC-15B4U-B1000 order100 and 10 ordersItem Initial Values Min. Value Max. Value Display ContentTitle No. Page No.2 VPC14PAL60 AV CONTRAST48

24LC-15B4U-SLC-15B4U-B1000 order100 and 10 ordersItem Initial Values Min. Value Max. Value Display ContentTitle No. Page No.3 DPS3 N358 TV LTI 143 0 2

25LC-15B4U-SLC-15B4U-B1000 order100 and 10 ordersItem Initial Values Min. Value Max. Value Display ContentTitle No. Page No.3 DPS9 PAL-M TV BLEMODE 3

26LC-15B4U-SLC-15B4U-B1000 order100 and 10 ordersItem Initial Values Min. Value Max. Value Display ContentTitle No. Page No.3 DPS15PAL-N HPRESC FIL420

27LC-15B4U-SLC-15B4U-B1000 order100 and 10 ordersItem Initial Values Min. Value Max. Value Display ContentTitle No. Page No.3 DPS23 SECAM AV LTI 143 0

28LC-15B4U-SLC-15B4U-B1000 order100 and 10 ordersItem Initial Values Min. Value Max. Value Display ContentTitle No. Page No.3 DPS31 N443 AV COLOR 40 0

29LC-15B4U-SLC-15B4U-B3 DPS40 D2 HPRESC FIL42 0 0 63 DecimalD2 HSCPRESC 513 0 4095 DecimalD2 HPOSC UPSF60 0 0 3 DecimalD2 HSCPOSC 3857 0 4095 DecimalD

3LC-15B4U-SLC-15B4U-BPRECAUTION: POUR LAPROTECTION CONTINUE CONTRELES RISQUES D'INCENDIE,REMPLACER LE FUSIBLE PAR UNFUSIBLE DE MEME TYPE F3701(2.

30LC-15B4U-SLC-15B4U-B1000 order100 and 10 ordersItem Initial Values Min. Value Max. Value Display ContentTitle No. Page No.DPS45 DPS NLC A6 EA 0 FF H

31LC-15B4U-SLC-15B4U-B1000 order100 and 10 ordersItem Initial Values Min. Value Max. Value Display ContentTitle No. Page No.6 OTHERS1 L_ERROR WAIT 15s

32LC-15B4U-SLC-15B4U-BPUBLIC MODE SETTING PROCEDURE1. How to start Public Mode ∫ There are three ways to display the hotel mode setting screen as ment

33LC-15B4U-SLC-15B4U-B2. How to exit Public ModeThere are several ways to exit the hotel mode setting screen as mentioned below. ∫ Turn OFF the power

34LC-15B4U-SLC-15B4U-B5. On Setting Items (1) MAXIMUM VOLUME (2) VOLUME FIXED(3) REMOTE CONTROL(4) USER CONTROLOptionDefaultFunctionExceptionRemarksAd

35LC-15B4U-SLC-15B4U-B (5) ON SCREEN DISPLAYOptionDefaultFunctionExceptionKeys which become invalidin other settingsthan defaultRemarks"YES"

36LC-15B4U-SLC-15B4U-BSpecifications of Sound Only Mode Function1 "OFF" is should be added during operation of remote control BRIGHT button

37LC-15B4U-SLC-15B4U-B Table of Key Allocation in Sound Only Mode (Unit keys/Remote control keys)Unit keysRemote controlName of KeyPOWERTV/VIDEOMENUCH

38LC-15B4U-SLC-15B4U-BTROUBLE SHOOTING TABLENoNo Power (Power LED indicator still in red)Go to the adjustment process mode.Move the cursor to ERROR NO

39LC-15B4U-SLC-15B4U-BTROUBLE SHOOTING TABLE (Continued)Check all the settings on the microprocessor’s adjust process menu.No pictureNo picture at all

4LC-15B4U-SLC-15B4U-BPrecautions for using lead-free solder1 Employing lead-free solder"All PWBs" of this model employs lead-free solder. Th

40LC-15B4U-SLC-15B4U-BTROUBLE SHOOTING TABLE (Continued)No picture and soundYesNoDo F3701and F3702 function?Check all the settings on the microprocess

41LC-15B4U-SLC-15B4U-BTROUBLE SHOOTING TABLE (Continued)No colorNo TV colorNo S-VIDEO colorNoNoIs input at Pin (72) of IC806 as specified?Check SC3405

42LC-15B4U-SLC-15B4U-BTROUBLE SHOOTING TABLE (Continued)No sound from speakersYesNoIs pin (53) of IC2001 at “L”?Check all the settings on the micropro

43654321ABCDEFGHLC-15B4U-SLC-15B4U-BCHASSIS LAYOUTR/C, LED UnitOPERATION UnitMAIN UnitINVERTER UnitTUNER Unit

87109654321AB CDEFGH44LC-15B4U-SLC-15B4U-BBLOCK DIAGRAMAGC,AFT,SAW_SW,MODE 1,MODE 2TV_V VPC_YVPC_PB,VPC_PRSIFV1_VAV1_L,RSY VIDEOSCSWITCH V_INIC3401AMP

1716 191815141312111045LC-15B4U-SLC-15B4U-BI2CVDPRLCDR0 7,G0 7,B0 7PANELV0,V7,V21REVV64,V112V176,V235V2V0V255VCOMCSCOMCSYNCOSD R/G/BVLS,VGL,VEEI2C VPC

87109654321AB CDEFGH46LC-15B4U-SLC-15B4U-BOVERALL WIRING DIAGRAM

1716 191815141312111047LC-15B4U-SLC-15B4U-B

48LC-15B4U-SLC-15B4U-BVOLTAGE MEASUREMENT CONDITION:1. The voltages at test points are measured onexclusive AC adaptor and the stable supply voltageof

49654321ABCDEFGHLC-15B4U-SLC-15B4U-BSCHEMATIC DIAGRAMËR/C, LED and OPERATION Unit

5LC-15B4U-SLC-15B4U-BSPECIFICATIONSItemsLCD panel 15” Advanced Super View & BLACK TFT LCDNumber of dots 921,600 dots VGAVideo color systems N358,

87109654321AB CDEFGH50LC-15B4U-SLC-15B4U-BËMAIN Unit-1/5

1716 191815141312111051LC-15B4U-SLC-15B4U-B

87109654321AB CDEFGH52LC-15B4U-SLC-15B4U-BËMAIN Unit-2/5

1716 191815141312111053LC-15B4U-SLC-15B4U-B

87109654321AB CDEFGH54LC-15B4U-SLC-15B4U-BËMAIN Unit-3/5

1716 191815141312111055LC-15B4U-SLC-15B4U-B

87109654321AB CDEFGH56LC-15B4U-SLC-15B4U-BËMAIN Unit-4/5

1716 191815141312111057LC-15B4U-SLC-15B4U-B

87109654321AB CDEFGH58LC-15B4U-SLC-15B4U-BËMAIN Unit-5/5

1716 191815141312111059LC-15B4U-SLC-15B4U-B

6LC-15B4U-SLC-15B4U-BOPERATION MANUALVIDEOAUDIOLYPBPRRAUDIOLRCOMPONENTAV-IN2/OUTANT.VIDEOS-VIDEOAUDIOLRHEADPHONEPOWERINPUTDC12VAV-IN1USE THE SUPPLIEDA

87109654321AB CDEFGH60LC-15B4U-SLC-15B4U-BËTUNER Unit-1/5

1716 191815141312111061LC-15B4U-SLC-15B4U-B

87109654321AB CDEFGH62LC-15B4U-SLC-15B4U-BËTUNER Unit-2/5

1716 191815141312111063LC-15B4U-SLC-15B4U-B

87109654321AB CDEFGH64LC-15B4U-SLC-15B4U-BËTUNER Unit-3/5

1716 191815141312111065LC-15B4U-SLC-15B4U-B

87109654321AB CDEFGH66LC-15B4U-SLC-15B4U-BËTUNER Unit-4/5

1716 191815141312111067LC-15B4U-SLC-15B4U-B

87109654321AB CDEFGH68LC-15B4U-SLC-15B4U-BËTUNER Unit-5/5

1716 191815141312111069LC-15B4U-SLC-15B4U-B

7LC-15B4U-SLC-15B4U-BCHVOLPOWERENTERDISPLAYMUTESLEEP PIC. FLIPBRIGHT TV/VIDEO MENUFLASH-BACK1 POWER Switch the Liquid Crystal Television poweron or of

70654321ABCDEFGHLC-15B4U-SLC-15B4U-BËINVERTER Unit

71654321ABCDEFGHLC-15B4U-SLC-15B4U-BPRINTED WIRING BOARD ASSEMBLIESTUNER Unit (Side-A)

87109654321AB CDEFGH72LC-15B4U-SLC-15B4U-BJ3407R3338R3401R3337R3336R3339D3401R3335R3402C3324R3340C3325C3336 R3323C3350L3301R3356C3348C3373C3349C3346C3

1716 191815141312111073LC-15B4U-SLC-15B4U-BTUNER Unit (Chip Parts Side-A)J3408R3345R3555 R3342R3341R3344R3532R3558Q3513R3455D3402R3430R3557R3553C3511R

74654321ABCDEFGHLC-15B4U-SLC-15B4U-BMAIN Unit (Side-A)

75654321ABCDEFGHLC-15B4U-SLC-15B4U-BMAIN Unit (Chip Parts Side-A)TP2001R1236R1259R1237C1221C1222C1223SC1204C1227 C1228C845R837R841R836C851 C852X801C84

76654321ABCDEFGHLC-15B4U-SLC-15B4U-BMAIN Unit (Side-B)

77654321ABCDEFGHLC-15B4U-SLC-15B4U-BMAIN Unit (Chip Parts Side-B)TL2025TL2021TL2017TL2002TL2003TL2031TL2027TL2023TL2019TL2015TL2011TL2007TL2038TL2035T

78654321ABCDEFGHLC-15B4U-SLC-15B4U-BINVERTER Unit (Side-A)

79654321ABCDEFGHLC-15B4U-SLC-15B4U-BINVERTER Unit (Chip Parts Side-A)C6509FH6502L6502C6508FH6501 FH6500FH6503Q6504C6504R6509 R6507D6500R6508P6502C6511

8LC-15B4U-SLC-15B4U-BDIMENSIONSUnit: inch (mm)CHMENUTV/VIDEOMAIN POWERPOWERINPUTDC12VANT.HEADPHONES-VIDEORAUDIOVIDEOAV-IN1LAV-IN 2/OUTCOMPONENTRAUDIOV

80654321ABCDEFGHLC-15B4U-SLC-15B4U-BR/C, LED Unit (Chip Parts Side-A)R/C, LED Unit (Side-A)OPERATION Unit (Chip Parts Side-A)(QPWBSB770WJN2)OPERATION

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code81LC-15B4U-SLC-15B4U-BRef. No. Part No. ★ Description CodeRef. No. Part No. ★

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code82LC-15B4U-SLC-15B4U-BDUNTKB767FE02MAIN UNIT (Continued)Q2001 VSUM5K1NTR+-1Y

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code83LC-15B4U-SLC-15B4U-BDUNTKB767FE02MAIN UNIT (Continued)C1114 VCCCCY1HH560JY

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code84LC-15B4U-SLC-15B4U-BDUNTKB767FE02MAIN UNIT (Continued)R1115 VRS-TX2HF100JY

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code85LC-15B4U-SLC-15B4U-BDUNTKB767FE02MAIN UNIT (Continued)SC1203 QSOCN0687FJZZY

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code86LC-15B4U-SLC-15B4U-BDUNTKB768DE02TUNER UNIT(Continued)PACKAGED CIRCUITX3301

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code87LC-15B4U-SLC-15B4U-BDUNTKB768DE02TUNER UNIT (Continued)C3728 VCKYTV1CF105ZY

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code88LC-15B4U-SLC-15B4U-BDUNTKB768DE02TUNER UNIT (Continued)R3561 VRS-CY1JF000JY

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code89LC-15B4U-SLC-15B4U-BDUNTKB769DE02R/C, LED UNITTRANSISTORSQ4001 VSDTC144EE/-

9LC-15B4U-SLC-15B4U-BREMOVING OF MAJOR PARTS1. Remove the stand fixing screws (4 pcs.).2. Remove the two terminal covers.3. Remove the terminal sectio

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code90LC-15B4U-SLC-15B4U-B1 CCABAA336WJ03 J Cabinet A Ass’y BG(LC-15B4U-S)1 CCABA

91LC-15B4U-SLC-15B4U-B654321ABCDEFGHCABINET AND MECHANICAL PARTS227272721272-22-92-12-32-72-102-87222762-52-42-63-63-733-103-123-13-43-123-113-113-93-

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code92LC-15B4U-SLC-15B4U-BLHLDWA002WJSA J Cable Clamp, x2 AD(LC-15B4U-S)LHLDWA002

93LC-15B4U-SLC-15B4U-BPACKING OF THE SET★ Polyethylene Bag (SSAKA0160CEZZ)★ Wrapping Paper (SPAKPA210WJZZ)★ Buffer Material (SPAKXA290WJZZ)★Not

LC-15B4U-SLC-15B4U-BCOPYRIGHT © 2003 BY SHARP CORPORATIONALL RIGHTS RESERVED.No part of this publication may be reproduced,stored in a retrieval syste