ViewSonic VA930-1 VLCDS24020-1W Manuel d'utilisateur

Service ManualViewSonic VA930-1 (VA930-1_SM_584-Rev. 1.0-September 2002)ViewSonic381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583M

YESYESYESNOCHECK 5V,3.3VB,LCD_VCC & 3V3_MCUSTARTPOWER CKT(12V,+5V & 3.3V CKT)POWER CKTCHECK POWER CKTENDViewSonic Corporation 7Confidential –

YESYESNONOOKYESSIGNALCheck U3 O/P TO SD1210 CKTADC CKTCHECK I/P R,G & B Video,HSYNC(pin 30),Coast(pin 31) AND I2C BUS SignalSTARTCHECK MCU CK

YESNONOYESYESOKMCU CKT STARTMCU CKTCHECK U15 RESET(pin19),12MHZ(Pin7,8),H_sync (pin 14)&V_sync(pin13) SIGNALCHECK MCU_I2C(pin

YESYESOKYESNOYESNOOKOSD CKTENDCHECK U11 OSD_CLK(Pin6),U8 OSD_HS (Pin31),OSD_VS(Pin 32) SIGNALCHECK U15 FBLK(Pin42),OSD_B(Pin 43) ,OSD_G(Pin44) And

YESYESNONOYESYESOKPLL1 CKTCHECK U11 FCLK1(Pin 1)and 2 PLL1_H(Pin 2)SIGNALCHECK U11 PIN 6 CLOCKAND PIN 8 HALF_CLOCKSIGNALSTARTENDCHECK U8 FCLK

YESYESNOYESSTARTCHECK LCD_VCC,V+3.3V,+5.0V,+12V AND Audio 9.0VENDCHECK POWER CKT(+5V,+12V, 3.3V&Audio 9.0V CKT)PANEL POWER CKT

YESNOYESNO YESNOYESNOYESAUDIOCKTCHECK OSD setting(Mute,Volume)STARTCHECK U22O/P SIGNALAdjust OSDCHECK U23 (R117,118) O/PSIGNALCHECK SCL,SDASIGNALW

7.SPARE PARTS LISTViewSonic Corporation 15Confidential – Do Not CopyVA930-1LOCATION VIEWSONIC P/N PARTS NO DESCRIPTIONBASEPL-PS-0715-0168GSTN-2875D8F-

ViewSonic Corporation 16Confidential – Do Not CopyVA930-1COLOR KEYM-MS-0808-6545TCAD-1222D8---- COLOR KEYAUDIO CABLE QC0DK0030D8D--- AUDIO CABLEPOWER

CopyrightCopyright ¤ 2002 by ViewSonic Corporation. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, st

ViewSonic Corporation 17Confidential – Do Not CopyVA930-1C29 VCLFHN1HG104Z-A C .1U Z 50VC30 VCLFHN1HG473Z-A C .047U Z 50VC31 VCICHN1HB150J-A C 15U J 5

ViewSonic Corporation 18Confidential – Do Not CopyVA930-1C102 VCIRHN1HG103K-A C .01U K 50VC103 VCLFHN1HG104Z-A C .1U Z 50VC104 VCIRHN1HG103K-A C .01U

ViewSonic Corporation 19Confidential – Do Not CopyVA930-1C149 VCEABN1CX107M-A E 100U M 16VC149 2nd SOURCE VCEABN1CX107MNA E 1000 M 16V 2ndC150 VCLFHN1

ViewSonic Corporation 20Confidential – Do Not CopyVA930-1U1 VSIA1C1732----A IC 4PINU3E-IC-0401-2106VSIAD9883-140-D IC 80PINU4 VSISN74LV14A--A IC 7PINU

ViewSonic Corporation 21Confidential – Do Not CopyVA930-1Q12 2nd SOURCE VSTMMBT3904T-MA TRANSISTOR 2ndQ12 2nd SOURCE VSTMMBT3904LT-A TRANSISTOR 2ndL2

ViewSonic Corporation 22Confidential – Do Not CopyVA930-1R20 VRMDNVG--103J-A SMT 10K J 1/16WR21 VRMDNVG--101J-A SMT 100 J 1/16WR22 VRMDNVG--101J-A SMT

ViewSonic Corporation 23Confidential – Do Not CopyVA930-1R97 VRMDNVG--202J-A SMT 2K J 1/16WR98 VRMDNVG--202J-A SMT 2K J 1/16WR99 VRMDNVG--202J-A SMT 2

ViewSonic Corporation 24Confidential – Do Not CopyVA930-1C176 VCICHN1HG102K-A SW 1000P Z 50VC177E-C-0404-0944VCEACU1HH105M-P E 1U M 16VC178E-C-0404-09

ViewSonic Corporation 25Confidential – Do Not CopyVA930-1R118E-R-0405-7020VRMPTV6--472J-U M 4.7K J 1/6WR119VRMDNVG--103J-A SMT 10K J 1/16WR191E-R-0405

8.EXPLODED DIAGRAMViewSonic Corporation 26Confidential – Do Not CopyVA930-1

TABLE OF CONTENTS ViewSonic Corporation iiConfidential – Do Not CopyVA930-11.PRECAUTIONS AND NOTICES...

ViewSonic Corporation 27Confidential – Do Not CopyVA930-1NO VIEWSONIC P/N PART NO QTY REMARK1 C-FP-0301-0894 GCABA2104D8F--- 1 CAB-A2 CPWB-5419T8FUSA

DPWBN5419T8----BOARD ID: QPWB-5419T8---CT1T2T3T4T5T6T7T8T9T10T11VCLK00ASIC_HMCU_V_INMCU_H_INCOAST9883_HS9883_VSVSYNC_DDC+3V3A3V3P3V39883-140C VIEWSONI

PKA_GNDPKP_GNDPKP_GNDPKA_GNDGNDGNDDPWBN5419T8----BOARD ID: QPWB-5419T8---CT20T21T22T23T24T25T26T27D3_3VP3_3VO3_3VA3_3VHSYNC_DVSYNC_DDE_INVCLK01SIL151C

BOARD ID: QPWB-5419T8---CDPWBN5419T8----T30T31T32T33T34T35T36T37T38T39T40T41T42T43T44T45ROM_SCLROM_SDAASIC_SCLASIC_SDALCD_DELCD_CLKOSD_VSOSD_HSVCLK1FC

High for AnalogBOARD ID: QPWB-5419T8---CDPWBN5419T8----OSD & PLL1CViewSonic VA930Custom48Thursday, July 04, 2002TitleSize Document NumberRevDate:

BOARD ID: QPWB-5419T8---CDPWBN5419T8----LVDS INTERFACECViewSonic VA930CustomThursday, July 04, 2002TitleSize Document NumberRevDate:SheetofRA1RA2RA0RA

BOARD ID: QPWB-5419T8---CDPWBN5419T8----SMO230CViewSonic VA930CustomThursday, July 04, 2002TitleSize Document NumberRevDate:SheetofAMBER_LEDLED_GRNLED

BOARD ID: QPWB-5419T8---CDPWBN5419T8----add silk position "U18A"T50T51T52T53T545VaBL_ENABLEBL_ADJUSTLCD_VCC12V_AUDIOPOWERCViewSonic VA930Cus

BOARD ID: QPWB-5419T8---CDPWBN5419T8----I/O INTERFACECViewSonic VA930CustomThursday, July 04, 2002TitleSize Document NumberRevDate:SheetofR_INVGA_CONN

GND_AUDIO GND_PRE*******************JP3AUDIO-ViewSonic VA930BThursday, July 04, 2002TitleSize Document NumberRevDate:SheetofAV1_RAV1_LAV1_R12VB12VB12V

1.PRECAUTIONS AND NOTICESPrior to using this manual, please ensure that you have carefully followed all the procedures outlined in the user manual for

KEYPAD<Title>A10 10Thursday, July 04, 2002TitleSize Document NumberRevDate: SheetofGRNAMBLED1LED2123SW6ENTER1 34 25SW7MUTE1 34 25SW1POWER1 34 25

10.PCB LAYOUT DIAGRAMViewSonic Corporation 38Confidential – Do Not CopyVA930-1

2.SPECIFICATIONS 1.SpecificationsLCD panel type 19.0” TFT(Fujitsu) Power Consumption 48 W (typ)Displayable Resolution SXGA 1280 x 1024 maximum Pixel d

3.LOCATION OF CONTROLS3.LOCATION OF CONTROLSViewSonic Corporation 3Confidential – Do Not CopyVA930-1

The " adjusting procedure" of VA930 model 1. Turn off the display by power button key on the front of bezel,2. Disconnect the DC power cable

5.BLOCK DIAGRAM FROM A/D ADAPTOR INTERFACE BOARD(DPWBN5419T8---A) COMPUTERGRAPHIC

YES NOONOFFGREENHsync,VsyncOr DE error ORANGE OSD no response Picture dim The brightness is different between upper and lower side