ViewSonic VA712b-2 Manuel de service

ViewSonic VA712-1 VA712b-1 Model No. VS10697 17” Color TFT LCD Display (VA712-1_VA712b-1_SM Rev. 1b Mar. 2006) ViewSonic 381 Br

Chapter 3 GENERAL specification Test Resolution & Frequency 1280x1024 @ 60Hz Test Image Size Full Size Contrast and Brightness Controls Fact

Chapter 5 POWER SUPPLY Power Supply (Adapter) Part Number: UP060B1190 or DA-60F19 Input Voltage Range 90 TO 264 VAC Input Frequency Range 47 TO

Chapter 7 Timing Table Item Timing Analog 1 640 x 350 @ 70Hz, 31.5kHz Yes 2 640 x 400 @ 60Hz, 31.5kHz Yes 3 640 x 400 @ 70Hz, 31.5kHz Yes

VA712B Specifications ( for Digital) Chapter 1 General Descriptions FEATURES VA712b Size 17” Luminance (Typ, cd/㎡) 350 cd/㎡ Contrast Ratio (Typ)

Chapter 2 Product definition and specification Region VSA / VSAP(M) VSE(E) VSCN(G) VSJ(J) Product Name VA712b Model Number VS10697 OSD Langu

Chapter 3 GENERAL specification Test Resolution & Frequency 1280x1024 @ 60Hz Test Image Size Full Size Contrast and Brightness Controls Fact

Chapter 5 POWER SUPPLY Power Supply (Adapter) Part Number: UP060B1190 or DA-60F19 Input Voltage Range 90 TO 264 VAC Input Frequency Range 47 TO

Chapter 7 Timing Table Item Timing Analog Digital 1 640 x 350 @ 70Hz, 31.5kHz Yes Yes 2 640 x 400 @ 60Hz, 31.5kHz Yes Yes 3 640 x 400 @

Adjusting the Screen ImageUse the buttons on the front control panel to display and adjust the OnView® controls which display on the screen. The OnVie

Do the following to adjust the screen image:1. To display the Main Menu, press button [1].NOTE: All OnView menus and adjustment screens disappear auto

CopyrightCopyright¤ 2005 by ViewSonic Corporation. All rights reserved. No part of this publication may bereproduced, transmitted, transcribed, stor

Main Menu ControlsAdjust the menu items shown below by using the up S and down T buttons.Control ExplanationAuto Image Adjust sizes and centers the sc

Control ExplanationInformation displays the timing mode (video signal input) coming from thegraphics card in your computer, the LCD model number, the

Control ExplanationSetup menu displays the menu shown below:Language allows you to choose the language used in the menus and controlscreens.Resolution

[1] Main Menu [2] Input toggle (Analog or Digital) or Auto Image Adjust. [▼] or [▲] To immediately activate Contrast menu. It should be change to B

Circuit Description 1. Power supply (DC/DC Converter) The AT1741 is 2-channel PWM switching regulator controllers that contains an on-chip 2.5V refe

2. Flash Memory The F29C51001T/F29C51001B is a 1 Megabit, 5.0 Volt-only Flash Memory organized as 131,072 bytes of 8 bits each. This device is design

3. GM5120 The gm5116/26 is a graphic processing IC for Liquid Crystal Display (LCD) monitors at XGA/SXGA resolution. It provides all key IC functi

5-1 Function Test and Alignment Procedure 1. All Modes Reset You should do “All Model Reset” (Refer to Chap 3. Hot Keys for Function Controls) first.

7. 25 Gray Test Signal: 1280*1024@60Hz Test Pattern: Full Screen 25% White (Gray) Inspection Item: Particle, Line Defect & Mura 8. 50 Gray T

11. RED Test Signal: 1280*1024@60Hz Test Pattern: Full Screen Red Inspection Item: Bright Dot, Partial & Line Defect 12. Green Test Sign

TABLE OF CONTENTS 1. Precautions and Safety Notices 1 2. Specification 5 3. Front Panel Function Control Description 15 4. Circuit Descri

16. Gray_Scale_0-100_H256 Test Signal: 1280*1024@60Hz Test Pattern: Horizontal 64(256) Gray Scale (Up → Down，From 0 to 100% White) Inspection Item

5-2 Function Test Display pattern Item Pattern Description Remark 1 Gray_Scale_0-100_V Vertical 64 (256) Gray Scale (右→左，From 0 to 100% White) Figu

Figure 5 Figure 8 Figure 7 Figure 6 Figure 5 29ViewSonic Corporation Confidential - Do Not Copy VA712-1_VA712

5-3 Function Test and Alignment Procedure 1. All Modes Reset You should do “All Model Reset” (Refer to Chap 3. Hot Keys for Function Controls) first.

BIOS Update Flow for Genesis 1.1 Program： 1. 1. 1. Software a. Please download the file “ Genesis” from CMO E-Sir system. There are ISP &

1.1.3 Join R232, monitor cable, and adapter. Detail, see the example picture as below. Connect to adapter +12v VGA Cable Conne

1.2 Installation： A. Please install the programs respectively as below. Before Setup produce GProbe 4 file . Please set at ISP &a

1. Open ISP.Gprobe while parameters set up have been completed. 2. You will see the picture as below. ISP.GProbe

3. Execute the main program (Grope). 4. Please follow up the parameter set up shown as below ： Choose the

5. Select “gm5126AA_AB” Select “ gm5126AA_AB” 36ViewSonic Corporation Confidential - Do Not Copy VA712-1_V

1. Appropriate Operation (1) Turn off the product before cleaning. (2) Use only a dry soft cloth when cleaning the LCD panel surface. (3) Use a so

6. Execute Pre.txt：Input BATCH PRE.TXT Input “ BATCH PRE.TXT” The system can execute ISP while the words show up If appear line 3 is OK, Appear

7. Please check the entity connection and execute Gprobe 4 again once Debug Mode did not show up ISP Program execution：Input BATCH ( update of BIOS

Defect Mode Failure Analysis Repair Testing AD/B Change Panel Change P/B Change CNT/B Change D-sub cable change Missing Line Bright Do

Defect Mode Failure Analysis Repair Testing Check PCB Check Panel Gray value display R.G.B display abnormal Check PCB Check Panel Che

Defect Mode Failure Analysis Repair Testing LED Off Check PCB Check Wire No Power Check PCB Check Wire Power wire connector Cable change O

Defect Mode Failure Analysis Repair Testing Can’t Input Check PCB Can’t Reader Check Wire Display Shut Down Check PCB Check Panel Displa

u Trouble Shooting Analysis Check the information in this section to see if the problems can be solved before requesting repair. Note：The consumer

ViewSonic Model Number:VS10697Rev: 1aItem ECR/ECN ViewSonic P/N Ref. P/N Location Q'ty1Accessory:Adapter, DA-60F19-AE, 19 V, 3.16 A, 60 W, Black,

Rev: 1aItemECR/ECNViewSonic P/NRef.P/NLocationQ'ty1Adapter, DA-60F19-AE, 19 V, 3.16 A, 60 W, Black, Asian PowerDevices, Two BC, CD FOR VSCA-00002

ViewSonic ModelNumber: VS10697Rev: 1aItemViewSonic P/NRef.P/NLocationLocationUniversal #Q'ty1 #N/A MH0E50EK0117" Common BOM,E5-L08,72%,Scan

(11) After installation of the TFT Module into an enclosure (LCD monitor housing, for example), do not twist orbend the TFT Module even momentarily. W

ItemViewSonic P/NRef.P/NLocationLocationUniversal #Q'ty34 CB-00000546 3241700001 FFC-OSD,A170E1-H01,15Pin,180mm*16mm,Pitch=1.0mm 135 M-00000561 7

ItemViewSonic P/NRef.P/NLocationLocationUniversal #Q'ty#N/A PH0EAKN000Olympic,17",Accessory BOM,D-sub+Audio,UK / HK 3pin,Black,For VSC170 A-

Model Number:VS10697Rev: 1aItemViewSonic P/NRef.P/NLocationLocationUniversal #Q'ty1 #N/A MH0E50EK0117" Common BOM,E5-L08,72%,Scan COG,TFTRev

ItemViewSonic P/NRef.P/NLocationLocationUniversal #Q'ty#N/A PH0EI1G004Olympic,17",ID BOM,D-sub+DVI+Audio,Japan,Black,For VSC,1#N/A PH0EI1G00

ItemViewSonic P/NRef.P/NLocationLocationUniversal #Q'ty57#N/A7841995111Separator,(AA), 1130x955x11,A190E1-H010.02558 #N/A 7741999141Label,Pallet

52ViewSonic Corporation8. Exploded Diagram and Spare Parts ListViewSonic Model Number: VS10697Rev: 1bItem ViewSonic P/N Ref. P/N DescriptionC-00002

1.1 Separate Stand Assy 1.1.1 Remove Stand Cover Step 1 : Remove Cover Hinges Step 2 : Loose and Remove 4 screws S

1.2 Separate Rear Cover (Rear Case Assy) Loosen and remove 2 screws. Separate Bezel hooks to take Bezel and Rear Cover apart. Step 1 : Loose

1.3 Remove Power Board 1.3.1 Remove the Tinfoil 1.3.2 Remove FFC 1.3.3 Remove Metal Cover Step 1 : Loose and remov

1.3.4 Remove Power PCBA Step 3 : Remove the Cover of X-PCB Step 4 : Completed Step 1 : Loose and remove 3 screws Step 2

Correct methods : Incorrect Methods : Only touch the metal-frame of the panel or the front cover of the monitor. Do not touch the surface of the pola

1.4 Change New Power Board Step 1 : Insert New Power PCBA Step 2 : Fasten 3 fixed screws of Power PCBA Step 3

1.5 Remove AD PCBA Step 2 : Remove 2 FFC from AD PCBA Step 3 : Remove AD PCBA Step 1 : Loose and remove 1 screw Step 4 :

1.6 Change New AD PCBA Step 1 : Place New AD PCBA Step 2 : Insert 2 FFC Step 4 : Completed Step 3 : Fasten 1 screw 59ViewSonic Cor

1.7 Metal Cover Assembly Step 1 : Join the cover hooks of X-PCB Step 4 : Insert FFC Step 3 : Fasten 4 scre

1.8 Separate Bezel Assy Step 3 : Completed Step 2 : Lift up LCD module and remove Bezel Step 1 : Loose and remove 4 screws 61ViewSo

1.9 Remove OSD PCBA Step 2 : Separate both Audio Cable Step 4 : Take OSD PCBA apart Step 1 : Remove FFC Step 3 : Loose and remove

1.10 Change New OSD PCBA Step 1 : Place New OSD PCBA Step 3 : Insert Audit Cable to connectors of OSD PCBA Step 2 : Fasten 2 screw

1.11 Rear Cover Assy Assembly Step 1 : Place Rear Cover Step 2 : Join Rear Cover with Bezel Step 4 : Place Stand Assy Step 3

Step 5 : Fasten 4 screws to fixed Stand Assy Step 6 : Insert Cover Hinge Step 7 : Completed 65ViewSonic Corporation Confidential - Do No

9. Block Diagram 66ViewSonic Corporation OSD Key Pad DC -19V DC/DC Main Board Inverter Backlight LCD Module DC-19V D-sub Analog Video 3.3V Signal Au

Correct Methods : Incorrect Methods : Place the monitor on a clean & soft foam pad . Place the monitor on foreign objects . That could scratch

VIN_19VV33APANEL_ON/OFFVGHGMA3GMA4GMA5VCMVAAGMA7GMA1V33BGMA2GMA9GMA10VGLGMA8GMA6EG1POR0POB1PESTHVCM_PWMEB0PEB1NECLKNTXDRXDBLUE-HSYNCGREEN-ER2PEB1PBLUE

OUT1PANEL_ON/OFFIC_VREFNON2VIN_19VNON2NON1DC_ONNON1OUT1DC_ONOUT2OUT2VIN_19VV5AVGLVGHVAAPANEL_ON/OFFVAA1IC_VREFIC_VREFPANEL_ONBPANEL_ONBIC_VccIC_VccVGL

VRVRPC_LPC_RGND_POWERPC_LPC_RV5AAUDIO/L-AUDIO/R-VOL_MUTEVOL_ADJAUDIO/L+AUDIO/R+AU5VAU5VAU5VAU5VAU5VV5A[AUDIO JACK]AudioCA80603/100n/25V/YRoHSCA80603/1

GVONVGLVGHVAAPANEL_VGHVGDVSDVCOMVSAPANEL_VGLVCMVSDSTBPOLSTVCKVOEGVONGVOFFESTHOSTHXAOPANEL_VGLVGH_PVGH_PVRMSPANEL_VGHVRMVCOMBR1NBR0PBB0PFB2PFB0PVGDPANE

VAAVOPVPREFVS9VS7VS3VS1VS10VS8VS6VCNVS5VS4VS2VSCOMV33AV33CV25VVOPVS7VS4VS6VS1VS8VS3VS9VS2VS10VS5VCNVOPVOPVS1 GMA1VS2 GMA2VS3 GMA3VS4 GMA4VS5 GMA5VS8GM

A16EB2NOR0NFLASH_OEnOB2POB0NOB2NCKVOR1PTXDOR2PEB1PESTHOG2PEB2PKEY_DOWNOR0PRXDOG0NOR1NSTBOB0POG0POB1POB1NOR2NOG2NOSTHINV_ON/OFFPOLSTVOEPWR_SWLED_GLED_O

DDC_CLKDDC_DATDVI_5VRX0-RX2-RX0+RX2+RXC+RXC-RX1-RX1+V5ADDC_SCL DDC_SDADVI_EDID_5V DVI_EDID_5VDVI_5VDVI_5VV5ADVI_EDID_5VDVI_5VDVI INPUTC10603/100n/25V

GRAIGGAIGBAIGSCLIG_VSYNCG_HSYNCGSDAIRXDVGA_5VTXDGSCLIG_VSYNCTXDRXDG_HSYNCGRAIGGAIGBAIGSDAIG_HSYNCBLUE+GREEN+RED+RED-GREEN-BLUE-G_VSYNCVSYNCHSYNCG_HSYN

INV_ADJINV_ADJINV_ON/OFFINV_ADJ1VIN_19VV33AINVERTOR INPUTMMBT39040603/1K0603/3.3KR1920603/0R/5%R1920603/0R/5%123Q9OPENQ9OPEN12345678CN13273-008-10CN1

AUDIO/L-AUDIO/R-V33ASOURCE_SELECTAUTO_ADJMENUKEY_DOWNKEY_UPLED_OLED_GPWR_SWAUDIO/R+AUDIO/L+V33AOSD INTERFACE45362718CP380603*4/100n/25VCP380603*4/100

VA712 Specifications (for Analog) Chapter 1 General Descriptions FEATURES VA712 Size 17” Luminance (Typ, cd/㎡) 350 cd/㎡ Contrast Ratio (Typ) 350

77ViewSonic Corporation11. PCB Layout DiagramsConfidential - Do Not Copy VA712-1_VA712b-1

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Chapter 2 Product definition and specification Region VSA / VSAP(M) VSE(E) VSCN(G) VSJ(J) Product Name VA712b Model Number VS10697 OSD Langu