Related Manuals for ViewSonic VE700-1
Summary of Contents for ViewSonic VE700-1
-
Page 1: Service Manual
Service Manual ViewSonic 700-1 A720-2 Model No. VLCDS23724-1W VLCDS23724-2W 1 ” Color TFT LCD Display (VE700-1_SM_545 - Rev. 1a – May 2002) ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583... -
Page 2: Revision History
Further, ViewSonic reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation of ViewSonic to notify any person of such revision or changes. -
Page 3: Table Of Contents
PRECAUTIONS AND NOTICES................1 SPECIFICATIONS ....................2 LOCATION OF CONTROLS..................3 INTERNAL CONNECTOR PIN DEFINITION ............4 CABLE PIN DEFINITION..................10 BLOCK DIAGRAM....................13 TROUBLE SHOOTING FLOW CHART..............14 SPARE PARTS LIST....................20 EXPLODED DIAGRAM....................25 SCHEMATIC DIAGRAMS..................27 PCB LAYOUT DIAGRAM..................36 ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2... -
Page 4: Precautions And Notices
This product should never be placed near or over a radiator or heat register. This product should not be placed in a built-in installation unless proper ventilation is provided. ViewSonic Corporation VE 00-1 Confidential – Do Not Copy... -
Page 5: Specifications
Dimensions ( WxHxD ) 6.2 kg (unit) Weight 15 Pin D-Sub. Input connector < 2W in Active Off mode Power management Operating : 0°C ~ +40°C Temperature Storage : -20°C ~ +60°C ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2... -
Page 6: Location Of Controls
8) Auto Image Adjust : press button [2] . 9) OSD lock and unlock: press two buttons [1]&[Up] simultaneously for 10 seconds. 10) Power lock and unlock: press two buttons [1]&[Down] simultaneously for 10 seconds. ViewSonic Corporation VE 00-1 Confidential – Do Not Copy... -
Page 7: Internal Connector Pin Definition
Pin NO. Symbol Function Supply Voltage for Inverter unit(DC+12) Supply Voltage for Inverter unit(DC+12) ON/OFF DIMMING JP3: Power Input Terminal Connector P/N :QJAKP1044T8---- Pin NO. Symbol Function POWER DC+12V POWER DC+12V ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2... - Page 8 DDC clock TO DDC PIN 6(SCL) J2:Output terminal for LCD PANEL Connector P/N:QCNCP2001T8---- Pin NO. Symbo Function EPCL ELOAD EDO/I XECLK XEDINV XOOR7 XOOR6 XOOR5 XOOR4 XOOR3 XOOR2 XOOR1 XOOR0 ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2...
- Page 9 XOOG7 XOOG6 XOOG5 XOOG4 XOOG3 XOOG2 XOOG1 XOOG0 XOOB7 XOOB6 XOOB5 XOOB4 XOOB3 XOOB2 XOOB1 XOOB0 OPOL OLOAD ODOM XOCLK XODINV XOFR7 XOFR6 XOFR5 XOFR4 XOFR3 XOFR2 XOFR1 XOFR0 XOFG7 ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2...
- Page 10 XFOR4 XFOR3 XFOR2 XFOR1 XFOG0 XFOG7 XFOG6 XFOG5 XFOG4 XFOG3 XFOG2 XFOG1 XFOG0 XFOB7 XFOB6 XFOB5 XFOB4 XFOB3 XFOB2 XFOB1 XFOB0 XFFR7 XFFR6 XFFR5 XFFR4 XFFR3 XFFR2 XFFR1 XFFR0 XFFG7 ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2...
- Page 11 XFFB0 J1:Output terminal for LCD PANEL Connector P/N:QCNCP2002T8---- Pin NO. Symbo Function XOFG6 XOFG5 XOFG4 XOFG3 XOFG2 XOFG1 XOFG0 XOFB7 XOFB6 XOFB5 XOFB4 XOFB3 XOFB2 XOFB1 XOFB0 V+3.3V V+3.3V V+3.3V ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2...
- Page 12 CON1:Inverter input Terminal Symbo Function +12V Power Supply for backlight +12V Power Supply for backlight BLON Backlight on/off signal (HI:backlight ON,Low:backlight OFF)TTL level DIMMI Ground for VBL line ,VDIM and BLON ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2...
-
Page 13: Cable Pin Definition
CABLE PIN DEFINITION Switch board cable(QCNWS0908T8006-):24AWG,shielding cable connection relationship PHR-8 PHR-8 Pin NO. Pin NO. Inverter cable(QCNWS0906T8010-):24AWG,Shielding cable connection relationship PHR-6 PHR-6 Pin NO. Pin NO. ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2... - Page 14 PANEL cable(QCODS1477T8----)*2 connection relationship Pin NO.(FH12- Pin NO.(PANEL) Pin NO. (FH12- Pin NO.(PANEL) 50S-0.5SH) 50S-0.5SH) ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2...
- Page 15 PANEL cable(QCODS1476T8----) connection relationship Pin NO.(FH12- Pin NO.(PANEL) 30S-0.5SH) ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2...
-
Page 16: Block Diagram
COMPUTER SCALER GRAPHIC T-CON SD1210-2 (DB15) CONVERTER (U17) EPROM 24C21A TCON MTV130P DC-DC Serial EEPROM (U14) INVERTER SWITCH MODE POWER SUPPLY SW BOARD DPWBN5415T8---- 17” LCD FROM PANEL A/D ADAPTOR ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2... -
Page 17: Trouble Shooting Flow Chart
Check I/F board RGB signal Check LCD panel error Vertical,Horizontal Out of sync One or more colored Check LCD panel vertical lines H,V sync error Even(or odd) vertical line is dark ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2... - Page 18 ? lost some bits loss of RGB?? of RGB? debug Check C6(R) C11G),C14(B) CHK LP1~LP12 screen shaking?? CHK U1& C2,C4, CHK R83,84,86,L23 R2 for PLL ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2...
- Page 19 No screen handler START Back-light 3.3V OK? CHK CKT SHEET 6 (POWER) RP 1 ~RP 6 PIN 30/31 OK? PIN1~24,34~47,63~77,246~256 ViewSonic Corporation Confidential – Do Not Copy VE 00-1 VA720-2...
- Page 20 OFF when powering on CHK CKT CHK SYSTEM CHK U14 SHEET 6 POWER LP1~LP11 (POWER) CHK U8 CHK U16(if recall CHK CKT function is OK) SHEET 2 (PANEL) No screen handler ViewSonic Corporation Confidential – Do Not Copy VE 00-1 VA720-2...
- Page 21 DEBUG CHK U14 PIN33,34,37,38 (PUSH KEY SWITCH) CHK L17 ViewSonic Corporation Confidential – Do Not Copy VE 00-1 VA720-2...
- Page 22 JP2+12V INPUT U8 L17 PIN 2 3 V 3 FOR U1,U22 panel _5v PIN 2,4 3 V 3 FOR U17 9.6V,25.09V CHK SHEET 3 -4.96,1.25 FOR U17 ViewSonic Corporation Confidential – Do Not Copy VE 00-1 VA720-2...
-
Page 23: Spare Parts List
USER S MANUAL+CD DRIVER 430701 SPAKA6463D8F 1 SET EPS PAD 430702 SPAKC3246D8 1 PCS CARTON 430703 SSAKH1356D8-T 1 PCS SET BAG 430B01 ZTAPEQ072T050-B 430B02 ZTAPEQ019T040 0.1M 430B03 TLABZ3658D8B 1.PCS 430B05 ZTAPEY340T200 0.4M ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2... - Page 24 10 PCS R43,44,54,65,81,82,154, 159,161,174 260026 VRMDNVG--473J-A 2 PCS R22,27 260027 VRMDNVG--513J-A 1 PCS 260029 VRMDNVG--750J-A 6 PCS R3,4,5,6,7,8 260032 VRMDNVG-1000F-A 2 PCS R120,144 260033 VRMDNVG-1001F-A 1 PCS 260035 VRMDNVG-1102F-A 1 PCS ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2...
- Page 25 10 PCS C25,34,35,46,66,94,114,116,124,158(100UF/16V) 260100 VCEABN1HX475M-A 1 PCS (4.7UF/50V) 260101 VCEABN1CX226M-A 3 PCS C59,61,84 (22UF/16V) 260110 VSIAD9883-140-D 1 PCS 260111 VSISN74LV14A--A 1 PCS 260113 VSIRN5VD23AA--A 1 PCS 260114 VSILM1117MPX-NA 1 PCS ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2...
- Page 26 7 PCS L14,15,31,32,33,38,39 260160A RFIL-5179T8121A 7 PCS L14,15,31,32,33,38,39 SECOND SOURCE 260161 RFIL-5151T8300A 7 PCS L1,2,3,23,26,28,34 260162 RFIL-5233T8700A 3 PCS L13,16,35 260163 RFIL-5107T8800A 2 PCS R25,50 260164 RFIL-5185T8121A 2 PCS R29,46 ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2...
- Page 27 MAIN BRACKET 421702 XBMSD30P10000 4 PCS LANGF2047*4 421703 XBMSD30P04000 4 PCS PANEL FIX*4 421B01 ZTAPEZ050C020 140 MM 140MM*1 421B02 ZTAPEU050K030 80 MM 80MM*1 421B04 ZSLCN-SEKE40 0.2 G 421B04A ZSLCN-TSE3843-W 0.2 G ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2...
-
Page 28: Exploded Diagram
EXPLODED DIAGRAM ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2... - Page 29 SHIELD CASE (I/F BOARD) I/F BOARD LCD PANEL 17 KENSINGTON BRACKET REAR COVER LOGO COVER HINGE COVER BIRD PLATE SCREW SCREW SCREW SCREW SCREW SCREW SCREW SCREW SCREW SCREW SCREW SCREW ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2...
-
Page 30: Schematic Diagrams
2421 47u/16v 100u/16v 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 100P ISP_SDA 5.6V 5.6V 5.6V 100P 100P ISP_SCL Title QPWB-5408T8---C ViewSonic Corporation Size Document Number VE 00-1 AD9883-140 Confidential – Do Not Copy VA720-2 Custom Date: Wednesday, March 20, 2002 Sheet... - Page 31 V+3.3V V3LVDS BEAD BEAD 0.47u/16V 0.47u/16V 0.01u/16V NC(FL) 0.01u/16V NC(FL) V+3.3V GAVCC BEAD 0.01u/16V 0.47u/16V NC(FL) TCON_RST Td=0.69*Cd*10E6(s) Gate_ON RN5VD23A 0.01u/16V QPWB-5408T8---C Title DC-DC(1) Size Document Number Date: 03:58:10 Sheet ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2...
- Page 32 20K 1% 20K 1% 7.5K 1% 120p 0.22u 2SC3325 4.7K QPWB-5408T8---C SCP time is 112.5ms Title DC-DC(2) Size Document Number Max Duty=83% PWM Frequency about 550KHz Custom Date: 03:58:10 Sheet VE 00-1 ViewSonic Corporation VA720-2 Confidential – Do Not Copy...
- Page 33 OER5 XOOR5 OOR5 XOER5 OER6 XOOR6 OOR6 XOER6 OER7 XOOR7 OOR7 XOER7 CA23 CA24 QB3216C301T4 QB3216C301T4 QPWB-5408T8---C Title 22CP 22CP Size Document Number Custom Date: Wednesday, August 08, 2001 Sheet ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2...
- Page 34 XODINV1 XEER[0..7] XOOB[0..7] XEOB[0..7] EPOL1 XOOG[0..7] ELOAD1 EDO/I1 XECLK1 XEDINV1 XEOG[0..7] XOOR[0..7] EPOL ELOAD EDO/I XECLK XEDINV XEOR[0..7] QPWB-5408T8---C Title I/X CONNECTOR Size Document Number ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2 Date: Mar 30 2000 Sheet...
- Page 35 PSC0 MMBT3904L R156 MMBT3904L R1572K 3V3_MCU AUDIO_EN MMBT3904L QPWB-5408T8---C Title R158 BEAD C110 POWER Size Document Number 0.1U Custom AI-D34 AI-D34 AI-D34 AI-D34 AI-D34 Date: Wednesday, March 20, 2002 Sheet ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2...
- Page 36 HSYNC_X C138 C139 C140 C141 C142 C143 AV9173-01 0.01u 0.1u 10u/10v 0.01u Title OUT2 QPWB-5408T8---C Size Document Number PLL1_PD SD1210A-2 OUT1 OSD_CLK Date: Wednesday, March 20, 2002 Sheet C144 (NC)W170-01 ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2...
- Page 37 BL_ON_OFF 3V3_MCU 3V3_MCU R108 2K 2N3906 R110 2K AMBER C161 2N3906 R109 0.1u LED_AMBER 24LC16 Title R107 QPWB-5408T8---C LED_GRN Size Document Number SMO230 Custom Date: Wednesday, March 20, 2002 Sheet ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2...
- Page 38 Enable Auto Refresh Mode OOR[0..7] QPWB-5408T8---C Timing Adjustment for EMI 75Hz Disable Aging Mode OOG[0..7] Title T-CON Open Enable Aging Mode GAVCC OOB[0..7] Size Document Number Custom Date: 03:58:10 Sheet ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2...
-
Page 39: Pcb Layout Diagram
PCB LAYOUT DIAGRAM ViewSonic Corporation VE 00-1 Confidential – Do Not Copy VA720-2...