ViewSonic VG710s Service Manual

Model No. VLCDS23719-4W17” Color TFT LCD DisplayService ManualViewSonic VG710b/s1ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800)

Ergonomics Tilt Up 20 DEGREES MINIMUM Tilt Down -5 degrees 8. Environmental Environmental Conditions Operating Temperature 0°C to +40°C Storage T

1. Control Location Use the buttons on the front control panel to display and adjust the On View controls which display on the screen.

Main Menu: Auto Image Adjust -- adjusts sizes and centers the screen image automatically. Contrast -- adjusts the difference between the image back

Setup Menu: Language -- allows you to choose the language used in the menus and control screens. Resolution Notice -- allows you to enable or disab

1. Power supply (DC/DC Converter) The AP1501 is monolithic IC designed for M/B DC/DC converter, with the ability of driving a 3A load without any add

3. GM5120 The gm5110/20 is a graphic processing IC for Liquid Crystal Display (LCD) monitors at XGA/SXGA resolution. It provides all key IC functi

1. Function Test 1.1 Product  - 17” LCD Monitor 1.2 Test Equipment - Color Video Signal & Pattern (or PC with SXGA resolution and a sound ca

Item Test Content Pattern Specification Remark 1 Frequency & Tracking Fine Line Moire Eliminate visual wavy noise. Figure 1 2 Contrast/Bri

G. Color Pattern (Figure5) B. Color Pattern (Figure 6) Full White Pattern (Figure 7) Dark Screen Pattern (Figure 8) Black-White Pattern

1.5 Function Test and Alignment Procedure 1.5.1 All Modes Reset You should do “All Mode Reset” (Refer to Chapter III-3. Hot Keys for Function Contr

CopyrightCopyright¤ 2003 by ViewSonic Corporation. All rights reserved. No part of this publication may bereproduced, transmitted, transcribed, stor

1.5.8 R, G, B, Colors Contrast Test Signal: 1280*1024@60Hz Test Pattern: R, G, B, Color Intensities Pattern and 16 Gray Scale Pattern - Check and see

1.5.14 All Modes Reset After final QC step, we have to erase all saved changes again and restore the factory defaults. You should do “All Mode Reset

LPT Cable (P/N: 42.59906.001) Power Adapter for Fixture (P/N: 47.58201.001) VGA Cable (P/N: 42.59901.003) 2.2 Setup Procedure 2.2.1 Con

2.2.6 Install GProbe Program by selecting and clicking Gprobe icon. Press “Yes” or “Next” buttons until the installation is complete. 20Vie

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2.3 Firmware Upgrade Procedure 23ViewSonic Corporation Confidential - Do Not Copy VG710b/s-1

Step 1. Let VG710 enter Burn In Mode. (Refer to Chapter III-3. Hot Keys for Function Controls). Step 2. Save these three files<bdisp.txt>, <p

Step 4. Execute Gprobe program. Step 5. Click Connection Setup icon. Select Protocol: DDC 2Bi3, Port: LPT1 (0x378), Speed: 70000. 25ViewSonic

Step 6. Before executing the firmware program, please test the connection between the monitor and fixtures. Key in “test” after “Gprobe,” and then

TABLE OF CONTENTS 2. Specification3. Front Panel Function Control Description4. Circuit Description6. Trouble Shooting Flow Chart9. Block Diagram10.

Step 7. Key in “batch C:\VG710\bdisp.txt” after “Gprobe:”, and then press “Enter” key to begin programming automatically. Step 8. The successful pict

Step 9. Unplug and replug power cord of VG710 and then enter “Burn In Mode” (Refer to Chapter III-3. Hot Keys for Function Controls). Check if the ver

Test failed. Test failed. Test failed. Test failed. Test failed. Test failed. Error executing batch file at line 4. Execution time: 5.72s GProbe:>

Line 16 Copy the error line of the “bdisp.txt” batch file to “Gprobe:>” 2. If the firmware upgrade still fails, reboot the PC, or simply use ano

firmware again if the monitor can be powered on. If the monitor cannot be turned on, that means the flash memory of the main board is out of work.

VGA Cable (P/N: 42.59901.003)Barcode Reader 3.2 Setup Procedure 3.2.1 Connect P2 and P4 of Fixture with VGA ports of VG710 by VGA Cable.

Step 1. Select and execute DDC Key In program. Step 2. Select “W/w - writing mode.” 33ViewSonic Corporation Confidential - Do Not Copy VG

Step 3. Key in the serial number or use the barcode reader to scan the barcode of the monitor, and then press “Enter” key. Step 4. The successful p

Step 5. Let VG710 enter “Burn In Mode” (Refer to Chapter III-3. Hot Keys for Function Controls). Unplug and re-plug the power cord of the monitor. The

This chapter provides technicians and people who have an electronic background a primary description about maintaining the product. Moreover, you can

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

2.1 A. Power Circuit Troubleshooting 2.2 B. Performance Troubleshooting 37ViewSonic Corporation Confidential - Do Not Copy VG710b/s-1

Notice: 1. Make sure VGA cable connected to PC directly, not via anything like “Data transfer” or “Distribution” ……After this 38ViewSonic Corpor

action if Ghost image disappears, go to “Yes”; else, go to “No.” 2. Check the compatibility on the computer. If it is compatibility problem, feedback

Item ViewSonic P/N Ref. P/N Description Location Q'ty1 M-LB-0813-0781 35.61203.001 LABEL BAR CODE 50*25mm VP191 BARCODE LABEL 12 M-LB-0813-0882 3

ItemViewSonic P/N Ref. P/N Description Location Q'ty1 M-LB-0813-0781 35.61203.001 LABEL BAR CODE 50*25mm VP191 BARCODE LABEL 12 M-LB-0813-0888 35

Item ViewSonic P/N Ref. P/N Description Location Q'ty1 DC.62701.003 D.C. VG710b;LG CS-VS08 12 M-LB-0813-0882 35.62701.002 LABEL SPEC 120*50mm VG7

Item ViewSonic P/N Ref. P/N Description Location Q'ty1 DC.62701.002 D.C. VG710s;LG TWO-TONE 12 35.00010.002 LABEL CAUTION HIGH VOLTAGE 25.4*19mm

Item ViewSonic P/N Ref. P/N Description Location Q'ty65 01.75016.501 RES RP 75 1% 1/16W CHIP #0603;"TA-I TECHNOL R24, R25, R26. 36

Item ViewSonic P/N Ref. P/N Description Location Q'ty115 35.00018.001 LABEL BARCODE 13*26.5mm BLANK 2116 39.62701.001 FW BIOS SOURCE CODE VG710 1

VG710s VIEWSONIC INDIVIDUAL PARTS OF VSI-PItem ViewSonic P/N Ref. P/N Description Location Q'ty1 A-PC-0106-0273 42.58204.001 CABLE POWER CORD 183

(11) After installation of the TFT Module into an enclosure (LCD monitor housing, for example), do not twist nor bend the TFT Module even momentary.

8. Exploded Diagram And Spare Parts List 47ViewSonic Corporation Confidential - Do Not Copy VG710b/s-1

Item ViewSonic P/N Ref. P/N Description Q'TY1 M-MS-0808-8947 35.62703.001 COSMETIC STRIP ADHESIVE CS-VS06 140*21*0.3t 12 M-MS-0808-8948 35.62704.

Item ViewSonic P/N Ref. P/N Description Q'TY1#N/A DC.62701.002 D.C. VG710s;LG TWO-TONE12P-FM-0602-0818 56.62701.001 CUSHION R EPS VG710s13P-FM-06

Packing For Shipping 1. Packing Procedure 1.1 Paste protection film to protect the monitor. (Figure 1) 1.2 Put the monitor in the PE bag and seal the

Disassembly Procedure1.3 Unscrew eight screws to remove Base Cover, Base Plate, and Hinge.Hinge CapStand Unit1.1 Lay VG710 Monitor face down to detach

1.4 Use a screw driver (-) to lift up Front Arm.Hinge Assy1.5 Uscrew one screw to remove Rear Arm.Front ArmRear Arm 52ViewSonic Corporation Confide

2. Removing Inverter Board, Main Board, and Speaker Module2.1 Unscrew 2 screws on the rear side of the monitor. Press four sides of Rear Cover to loo

2.3 Unscrew two screws and disconnect the wires to remove Inverter Board.2.4 Unscrew seven screws to remove Shielding Cover.2.5 Unscrew three screws a

3. Removing Keypad and LCD Panel3.1 Press the rim of Front Cover to loosen the tenons inside, and then the Front Cover can bedetached. Unscrew two sc

LCD BracketLCD Panel3.3 Detach LCD Bracket from LCD Panel. Remove off the filament tape and disconnect the wire on the LCD Panel. 56ViewSonic Corp

5.2 Handling and Placing Methods Correct Methods: Incorrect Methods: Only touch the metal frame of the LCD panel or the front cover of the monitor

GM512 0LG 17"OUTPUT14.318MH zEEPROMEEPROM(50-60Hz)INPUTINPUTTMDSPm39LV010RA/D BUS24LC16BLVDS SingalRB/GB/BB[0~7]RA/GA/BA[0~7]AUO 17"JackGM51

5V_MAIN=2.5A3.3V_MAIN MAX 5A(GM5120)(GM5120)(GM5120)Close to GM5120LESREGM512016Thursday, July 10, 2003POWERTitleSize Document Number RevDate: Sheetof

(KEYPA D)EGM512026Thursd ay, July 10, 2003INPUT CONNECTORTitleSize Document Number RevDate: SheetofDDCSDA1DDCSCL1VS_DSUBHS_DSUBSCL_IN2SDA_IN2HOT_PLUGS

100pF on pin-196EGM512036Thursday, July 10, 2003Gensis Chip (Scaler) ASICTitleSize Document Number RevDate: SheetofRMDATA6RMDATA5RMDATA2RMDATA4RMDATA3

AUGND AUGND AUGNDAUGNDAUGNDNCEGM512046Thursday, July 10, 2003AUDIOTitl eSize Document Number RevDate: SheetofAAINR1OUT_L+VOLADOLINOUT_L-ADORI NOUT _R

Select LVDS MAPPIN GEX:RP5~RP16 for 0,1,2,3,4,5,6,7EX:RP18~RP29 for 2,3,4,5,6,7,0,1AUO 17",19" Samsung 17",19" CHI MEI 19"Fuj

For Fujitst Panel select Lvds mappin gEGM512066Thursday, July 10, 2003LVDS & OUTPUT CONNECTORTitleSize Document Number RevDate: SheetofVcontRxEIN1

11. PCB Layout Diagrams 64ViewSonic Corporation Confidential - Do Not Copy VG710b/s-1CAM350 V 5.0 : Thu Jul 10 11:34:40 2003 - (Untitled)Main B

CAM350 V 5.0 : Thu Jul 10 11:35:47 2003 - (Untitled) 65ViewSonic Corporation Confidential - Do Not Copy VG710b/s-1Main BoardControl Board

*Readers Response*Dear Readers:Thank you in advance for your feedback on our Service Manual,which allows continuous improvementof our products. We wo

Place the monitor on a clean and soft foam pad. Placing the monitor on foreign objects. That couldscratch the surface of the panel or cause “Mura.”

1. General Requirements General Specifications Test Resolution & Frequency “1280 x 1024” @ 60Hz Test Image Size Full Size Contrast and Brightnes

Changing Modes Maximum Mode Change Blank Time for image stability. Note: 1) Excluding “Auto Adjust” time 2) Under DOS mode (640 x 350, 720 x 400 &