Sharp LC-20D30U Specifiche

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LC-20D30U
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.
MODEL
LC-20D30U
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
LCD COLOR TELEVISION
CONTENTS
» IMPORTANT SERVICE SAFETY PRECAUTION .........................................................................................2
» SPECIFICATIONS ........................................................................................................................................5
» OPERATION MANUAL .................................................................................................................................6
» DIMENSIONS ...............................................................................................................................................8
» REMOVING OF MAJOR PARTS ..................................................................................................................9
» ADJUSTING PROCEDURE OF EACH SECTION .....................................................................................13
» PUBLIC MODE SETTING PROCEDURE ..................................................................................................38
» TROUBLE SHOOTING TABLE ..................................................................................................................44
» MAJOR IC INFORMATION .........................................................................................................................50
» BLOCK DIAGRAM ......................................................................................................................................56
» OVERALL WIRING DIAGRAM ...................................................................................................................58
» DESCRIPTION OF SCHEMATIC DIAGRAM .............................................................................................60
» SCHEMATIC DIAGRAM
ËR/C, LED Unit ..........................................................................................................................................61
ËMAIN Unit .................................................................................................................................................62
ËSUB Unit ..................................................................................................................................................78
» PRINTED WIRING BOARD ASSEMBLIES ................................................................................................91
» REPLACEMENT PARTS LIST..................................................................................................................104
» PACKING OF THE SET ............................................................................................................................ 115
Page
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1 2 3 4 5 6 ... 93 94

Sommario

Pagina 1 - LC-20D30U

LC-20D30UIn the interests of user-safety (Required by safety regulations in some countries) the set should be restoredto its original condition and on

Pagina 2

10LC-20D30U10. Remove the chassis frame fixing screws (3 pcs.).11. Remove the 2 lock screws from the main PWB. Detach the chassis frame, together with

Pagina 3

11LC-20D30U» Precautions in handling the LCD panel1. Handle it in a clean room. (above 50% humidity)2. The worker must wear an earth band.3. Be carefu

Pagina 4

12LC-20D30UStep Part No. Description2 QCNW-D721WJQZ Extension Cable 26-pin Main (SC5201)-Sub (P5002)3 QCNW-D721WJQZ Extension Cable 26-pin Main (SC520

Pagina 5 - SPECIFICATIONS

13LC-20D30UADJUSTMENT PROCEDURE OF EACH SECTION1. Preparations(1) Plug the power cable in an AC power outlet.AC 110 V~240V[1] Adjustment procedure1-1.

Pagina 6 - OPERATION MANUAL

14LC-20D30U(Adjustment process menu: Page 1 screen)0112MIEPVE3ONRU-X4DCRBCT5EHOLH6LRIIC7SCPO8INN9ZOMT10EOR11RDO12EEL13S14E15T16 17 18 19 20 21 22A236O

Pagina 7 - Preparation

15LC-20D30U[7] Adjustment7-1. AD converter level adjustment1 D3 input1) Feeding the D3 75% color bar signalInstrument used: LEADER LT446 or LEADER LT

Pagina 8 - DIMENSIONS

16LC-20D30U7-3. White balance adjustment1) Adjustment procedure (Call the AV input mode with INPUT2 or INPUT3.)Adjust the white 40% setting at RGB CUT

Pagina 9 - REMOVING OF MAJOR PARTS

17LC-20D30USettings & ranges Factory settings(TV) (INPUT1) (INPUT2) (INPUT3) (INPUT4)MENU PICTURE AV MODE STANDARD/DYNAMIC/DYNAMIC(FIXED)/MOVIE/GA

Pagina 10

18LC-20D30UPage No. ItemInitialFunction Servicing notes & precautionsValue1 MODEL A633MODEL NUMBER (NOT TO CHANGE) UNMODIFIABLE.INCH SIZE 20INCH S

Pagina 11

19LC-20D30UPage No. ItemInitialFunction Servicing notes & precautionsValuePCAD ADJUSTMENT8 AUTO GAIN2 OFFAUTOMATIC ADJUSTMENT OFF/RUN OF AD9883 GA

Pagina 12

2LC-20D30UCAUTION: FOR CONTINUEDPROTECTION AGAINST A RISK OFFIRE REPLACE ONLY WITH SAMETYPE F7701 (3.15A, 250V) ANDF7702 (5A, 250V) FUSE.SAFETY NOTI

Pagina 13 - 1. Preparations

20LC-20D30UPage No. ItemInitialFunction Servicing notes & precautionsValueAUDIO ADJUSTMENT (EQUALIZER)SOUND4 BAND4 MIN TV -0375EQUALIZER SETTING (

Pagina 14

21LC-20D30UPage No. ItemInitialFunction Servicing notes & precautionsValueDVP7 PAL60 AV CONT 137PAL60 SHARPNESS SETTING (COMPOSITE, S VIDEO)NOT US

Pagina 15

22LC-20D30UPage No. ItemInitialFunction Servicing notes & precautionsValueDVP11 625I CONT 138 625I CONTRAST SETTING (TV) NOT USED625I BRIGHT 128 6

Pagina 16 - SETTING COMPLETE

23LC-20D30UPage No. ItemInitialFunction Servicing notes & precautionsValueADJUSTMENT PROCESS OTHERS DEFAULTS CHARTBASIC SETTINGSTUNER1 AFT UP 1.80

Pagina 17

24LC-20D30UË EDID data writing list (for PC)AddressDescription Format Data00 Header Set to [00h] 0001 Set to [FFh] FF02 Set to [FFh] FF03 Set to [FFh]

Pagina 18 - "ADJUSTING PROCEDURE OF

25LC-20D30U1B Red x (9-2bit) ex. 0.625 1010000000 [A0h] Red x=0.640 A31C Red y (9-2bit) Red y=0.334 551D Green x (9-2bit) Green x=0.281 471E Green y (

Pagina 19

26LC-20D30U36 Details 1/Monitor 0E37 1F38 0039 803A 513B 003C 1E3D 303E 403F 8040 3741 0042 0043 0044 0045 0046 0047 1C48 Details 2/Monitor Same as De

Pagina 20

27LC-20D30U6C Details 4/Monitor 006D 006E 006F 1070 0071 0072 0073 0074 0075 0076 0077 0078 0079 007A 007B 007C 007D 007E Extension flag [00h] 007F Ch

Pagina 21

28LC-20D30UË EDID data writing list (for HDMI)AddressDescription Format Data00 Header Set to [00h] 0001 Set to [FFh] FF02 Set to [FFh] FF03 Set to [FF

Pagina 22

29LC-20D30U1B Red x (9-2bit) ex. 0.625 1010000000 [A0h] 1010001000 Red x=0.640 A31C Red y (9-2bit) 0101010101 Red y=0.334 551D Green x (9-2bit) 00110

Pagina 23

3LC-20D30UPRECAUTION: POUR LAPROTECTION CONTINUECONTRE LES RISQUESD'INCENDIE, REMPLACER LEFUSIBLE PAR UN FUSIBLE DEMEME TYPE F7701 (3.15A, 250V)U

Pagina 24

30LC-20D30U36 Details 1 Pixel clock 10,000 [7-0bit] Clock=74.25MHz 0137 Pixel clock [15-8bit] 1D38 No. of horizontal pix

Pagina 25

31LC-20D30U51 Horizontal sync pulse width: 028hHorizontal pulse width=4028Low-order 8 bits52Vertical sync offset/pulse width:7-4bit:Offset 3-0bit

Pagina 26

32LC-20D30U73 Minimum horizontal frequency 1Fh MIN.H rate=31kHz 1F74 Maximum horizontal frequency 2Eh MAX.H rate=46kHz 2E75 Maximum support frequency

Pagina 27

33LC-20D30U [26]:2880*576@50i (16:9) [27]:2880*288@50p (4:3) [28]:2880*288@50p (16:9) [29]:1440*576@50p (4:3) [30]:1440*576@50p (1

Pagina 28

34LC-20D30U91 1 CEA Short Audio Descriptor for uncompressed audio 1 24bit [00000111] 07 (Uncompressed audio data) 20Bit 7-3bit:Reserved (Shall

Pagina 29

35LC-20D30UAA Horizontal/vertical image size: 7-4bit:Horizontal image size 11-8bit 10High-order 4 bits 3-0bit:Vertical image size 11-8bitAB Horizontal

Pagina 30

36LC-20D30UC2 No. of horizontal pixels: 500h Horizontal pixels=1280 00Low-order 8 bitsC3 Horizontal blanking: 2BChHorizontal blanking=700BCLow-order 8

Pagina 31

37LC-20D30UE0 Horizontal/vertical image size: 7-4bit:Horizontal image size 11-8bit 10High-order 4 bits 3-0bit:Vertical image size 11-8bitE1 Horizontal

Pagina 32

38LC-20D30UPUBLIC MODE SETTING PROCEDURE1. How to start Public Mode» There are the following two ways to get the public mode setup screen displayed.1

Pagina 33

39LC-20D30U2. How to exit Public ModeThere are the following ways to quit the public mode setup screen.» Turn off "PUBLIC MODE" in the adjus

Pagina 34

4LC-20D30UPrecautions for using lead-free solder1 Employing lead-free solder"All PWBs" of this model employs lead-free solder. The LF symbol

Pagina 35

40LC-20D30U5. On Setting Items* "EZ-SETUP" discussed below indicates "EZ-SETUP after the first power-on". (1) MAXIMUM VOLUME(2) V

Pagina 36

41LC-20D30U(3) VOLUME FIXED LEVEL(4) R/C BUTTON(5) PANEL BUTTON(6) MENU BUTTONSelectionDefaultExplanationLimit in SettingExceptionRemarksAdjustment fr

Pagina 37

42LC-20D30U(7) ON SCREEN DISPLAY(8) INPUT MODE STARTSelectionDefaultExplanationLimit in SettingOthersExceptionRemarksSelection between "Yes"

Pagina 38 - 1. How to start Public Mode

43LC-20D30U(9) INPUT MODE FIXEDSelectionDefaultExplanationLimit in SettingExceptionRemarksSelection between "Variable" and "Fixed"

Pagina 39 - 4. Public Mode Menu

44LC-20D30UTROUBLE SHOOTING TABLENo or Wrong PictureAre the waveforms at pins (105), (91), (103) and (104)of IC801 as specified?Check IC801 and its pe

Pagina 40 - 5. On Setting Items

45LC-20D30UTROUBLE SHOOTING TABLE (Continued)Check IC3301(Audio AMP.), IC1301(Sound Decoder), IC801(Video Decoder), IC8701(AD Converter) and their per

Pagina 41

46LC-20D30UTROUBLE SHOOTING TABLE (Continued)No pictures come out (1/3).All pictures do not come out.No TV pictures come out.No Input 2 pictures come

Pagina 42

47LC-20D30UTROUBLE SHOOTING TABLE (Continued)No pictures come out (3/3).No HDMI pictures come out.Is the voltage at pin (19) of SC402 as specified?Yes

Pagina 43

48LC-20D30UTROUBLE SHOOTING TABLE (Continued)No sounds come out.No sounds come out from the speakers.YesYesNoNo sounds come out from the monitor outpu

Pagina 44 - TROUBLE SHOOTING TABLE

49LC-20D30UTROUBLE SHOOTING TABLE (Continued)YesNoNoYesNoNoYesYesYesNoNoYesYesNoNo colors come out.No S video colors come out.No input 1, input 2 colo

Pagina 45 - (Continued)

5LC-20D30USPECIFICATIONSItems ModelLC-20D30ULCD panel 20" Advanced Super View & BLACK TFT LCDNumber of dots 3,147,264 dots WXGAVideo color sy

Pagina 46

50LC-20D30UMAJOR IC INFORMATION1. IC2001 (RH-iXA633WJN1Q), (RH-iXA633WJZZQ) 1-1.Pin Connections1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

Pagina 47

51LC-20D30UPin No. Maker's pin name I/O Pin name Function1 P96/ANEX1/Sout4 I AD_INT Signal change interrupt detection2 P95/ANEX0/CLK4 O OFL_DUTY

Pagina 48

52LC-20D30UPin No. Maker's pin name I/O Pin name Function51 P43/A19 O52 P42/A18 O HPMUTE Headphones mute53 P41/A17 O SP MUTE1 Main speakers mute5

Pagina 49

53LC-20D30U2. IC8701(VHIMST3385M-1Q) 2-1. Pin ConnectionsPin 1MST3385MXXXXXXXXXXXXXXXX13534333231302928272625242322212019181716151413121110987654323

Pagina 50 - MAJOR IC INFORMATION

54LC-20D30U 2-2. Pin FunctionsCPU InterfaceAnalog InterfaceDVI/HDMI InterfaceMisc. InterfacePin Name Pin Type Function PinHWRESET Schmitt Trigger

Pagina 51

55LC-20D30UOutput InterfaceNote: Please refer to Output Format Table at the end of this section for details.Audio Output InterfacePower pinsNo Connect

Pagina 52

57LC-20D30U56121110987654321ABCDEFGHINV_POW,OFL_DACRR1XC/0/1/2-/+SHORT_DETS_SWS_RESET(IC2001)S_IFSCL,SDA(5V )1.5V5V3.3V3.3V3.3V2.5V8.5V3.3VU_D,L_RAC 1

Pagina 53 - MST3385M

59LC-20D30U58121110987654321ABCDEFGHSC5204 WA502WJPZ1HP_DET2HP_L3HP_GND4HP_R5GND6B3.3V7OPC8OPC_LED9TIMER_LED10GND11POW_LED123.3VA13IREMSC5203MA036WJTO

Pagina 54

60LC-20D30UVOLTAGE MEASUREMENT CONDITION:1. The voltages at test points are measured on thestable supply voltage of AC 120V. Signals are fedby a colo

Pagina 55

61654321ABCDEFGHLC-20D30USCHEMATIC DIAGRAMËR/C, LED Unit

Pagina 56 - BLOCK DIAGRAM

6LC-20D30UOPERATION MANUALPOWERMENUINPUTCH ( )/( )VOL( )/( )Upper control panelSpeakerOPC (Optical Picture Control) sensorRemote sensorPOWER/W

Pagina 57 - OVERALL WIRING DIAGRAM

63LC-20D30U62121110987654321ABCDEFGHËMAIN Unit-1/8

Pagina 58 - AVIS DE SECURITE IMPORTANT:

65LC-20D30U64121110987654321ABCDEFGHËMAIN Unit-2/8

Pagina 59 - R/C, LED Unit

67LC-20D30U66121110987654321ABCDEFGHËMAIN Unit-3/8

Pagina 60 - MAIN Unit-1/8

69LC-20D30U68121110987654321ABCDEFGHËMAIN Unit-4/8

Pagina 61 - MAIN Unit-2/8

71LC-20D30U70121110987654321ABCDEFGHËMAIN Unit-5/8

Pagina 62 - MAIN Unit-3/8

73LC-20D30U72121110987654321ABCDEFGHËMAIN Unit-6/8

Pagina 63 - MAIN Unit-4/8

75LC-20D30U74121110987654321ABCDEFGHËMAIN Unit-7/8

Pagina 64 - MAIN Unit-5/8

77LC-20D30U76121110987654321ABCDEFGHËMAIN Unit-8/8

Pagina 65 - MAIN Unit-6/8

79LC-20D30U78121110987654321ABCDEFGHËSUB Unit-1/7

Pagina 66 - MAIN Unit-7/8

81LC-20D30U80121110987654321ABCDEFGHËSUB Unit-2/7

Pagina 67 - MAIN Unit-8/8

7LC-20D30UPart Names of the Remote ControlPOWERSwitches the Liquid CrystalTelevision power on or standby.Channel SelectSets the channel.MTSSelects aud

Pagina 68 - SUB Unit-1/7

83LC-20D30U82121110987654321ABCDEFGHËSUB Unit-3/7

Pagina 69 - SUB Unit-2/7

85LC-20D30U84121110987654321ABCDEFGHËSUB Unit-4/7

Pagina 70 - SUB Unit-3/7

87LC-20D30U86121110987654321ABCDEFGHËSUB Unit-5/7

Pagina 71 - SUB Unit-4/7

89LC-20D30U88121110987654321ABCDEFGHËSUB Unit-6/7

Pagina 72 - SUB Unit-5/7

90654321ABCDEFGHLC-20D30UËSUB Unit-7/7

Pagina 73 - SUB Unit-6/7

91654321ABCDEFGHLC-20D30USC4000C4002C4001D4006IC4000C4000D4005C4006D4007C4003RMC4000R4006D4003R4001R4000D4004D4002Q4001D4000Q4002Q4000R4003R4002R4012F

Pagina 74 - SUB Unit-7/7

9392LC-20D30U121110987654321ABCDEFGHMAIN Unit (Side-A)

Pagina 75 - (QPWBSD676WJZZ)

9594LC-20D30U121110987654321ABCDEFGHMAIN Unit (Chip Parts Side-A)L701R752TP2007TP2008TP2005TP2006TP2003TP2004C731TP2001TP2002C2006D2007P2002C2027R2021

Pagina 76 - MAIN Unit (Side-A)

9796LC-20D30U121110987654321ABCDEFGHMAIN Unit (Side-B)

Pagina 77 - MAIN Unit (Chip Parts Side-A)

9998LC-20D30U121110987654321ABCDEFGHMAIN Unit (Chip Parts Side-B)TL2128R729R723C736C739R2020C725R712R743R709C2011FB702R730R724R744R711C741C740C2007C72

Pagina 78 - MAIN Unit (Side-B)

8LC-20D30UDIMENSIONSUnit: inch (mm)3 61/64 (100)10 31/64 (266)15 (381)21 15/64 (539)5 43/64 (144)9 17/32 (242)2 5/8(66.5)4 1/32(102)3 61/64 (100)2 9/6

Pagina 79 - MAIN Unit (Chip Parts Side-B)

101100LC-20D30U121110987654321ABCDEFGHSUB Unit (Wiring Side)(QPWBFD674WJN1)

Pagina 80 - (QPWBFD674WJN1)

103102LC-20D30U121110987654321ABCDEFGHSUB Unit (Chip Parts Side)(QPWBFD674WJN1)TL7701TL7703TL7702TL7704TL5017R3315TL5015TL5016TL5014TL3496C3455RJ104R3

Pagina 81 - SUB Unit (Chip Parts Side)

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code104LC-20D30U★ MARK: SPARE PARTS-DELIVERY SECTION★ MARQUE: SECTION LIVRAIS

Pagina 82 - LCD PANEL

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code105LC-20D30UDUNTKD672FM03MAIN Unit (Continued)C806 VCKYCZ1AB104KY J 0.1 10V C

Pagina 83

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code106LC-20D30UDUNTKD672FM03MAIN Unit (Continued)C8724 VCKYCY1CB473KY J 0.047 16

Pagina 84

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code107LC-20D30UDUNTKD672FM03MAIN Unit (Continued)Q804 VS2SC3928AR-1Y J 2SC3928AR

Pagina 85

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code108LC-20D30UDUNTKD672FM03MAIN Unit (Continued)R2005 VRS-CY1JF223JY J 22k 1/16

Pagina 86

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code109LC-20D30UCAPACITORSC3301 VCESYA1CM107M+ J 100 16V Electrolytic ABC3302 VCK

Pagina 87 - DUNTKD674FM03

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code110LC-20D30UDUNTKD674FM03SUB Unit (Continued)IC3401 VHiTC4053BF1EY J TC4053BF

Pagina 88

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code111LC-20D30UDUNTKD674FM03SUB Unit (Continued)R6705 VRS-TQ2BD103JY J 10k 1/8W

Pagina 89

9LC-20D30UREMOVING OF MAJOR PARTS1. Remove the stand cover fixing screw (1 pc.).2. Remove the stand fixing screws (4 pcs.).3. Remove the carrying hand

Pagina 90 - DUNTKD676FM03

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code112LC-20D30UCABINET AND MECHANICAL PARTS1 CCABAB255WJ01 X Cabinet A Ass'

Pagina 91

113654321ABCDEFGHLC-20D30UCABINET AND MECHANICAL PARTSAAAACCEBBGDBEBFLGFIJJJDIKLKHCCMMHC4C1-31-21-31-41-41-14-24-14-34-54-74-84-74-94-104-144-104-114-

Pagina 92 - PACKING PARTS

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code114LC-20D30UCABINET AND MECHANICAL PARTS(Continued)SERVICE JIGS(USE FOR SERVI

Pagina 93 - PACKING OF THE SET

115LC-20D30UPACKING OF THE SETS4S2X7X4X2X3S3X1, X5, X6S5S3S1RL

Pagina 94 - ALL RIGHTS RESERVED

LC-20D30UCOPYRIGHT © 2006 BY SHARP CORPORATIONALL RIGHTS RESERVED.SHARP CORPORATIONAV Systems GroupCS Promotion CenterYaita, Tochigi 329-2193, Jap

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