ViewSonic VG810S Service Manual

Model No. VLCDS27944-1W/-2W18” Color TFT LCD DisplayService ManualViewSonic VG810s/b-1ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA -

2.5 EDID Serial No. format 2.5.1 EDID for VG810s 2.5.1.1 Analog EDID 128 BYTES OF EDID CODE： 0 1 2 3 4 5 6 7 8 9 0 00 FF FF FF FF FF FF 00 5A 6

2.5.2 EDID for VG810b 2.5.2.1 Analog EDID 128 BYTES OF EDID CODE： 0 1 2 3 4 5 6 7 8 9 0 00 FF FF FF FF FF FF 00 5A 6310 18 C0 01 01 01 01 01 0D 01

Appendix A：Preset timing chart Analog mode 1 2 3 4 5 6 7 Signal name symbol TEXT mode TEXT mode VGA MAC-II VESA-VGA VESA-VGA VESA-VGAH-frequen

15 16 17 18 19 20 Signal name Symbol XGA XGA XGA XGA SXGA 720P H-frequency (kHz) 56.476 58.099 60.023 68.677 63.981 45.000 V-frequency (Hz) 70.06

Digital Mode 1 2 3 4 5 6 7 Signal name symbol TEXT mode TEXT mode VGA VGA VESA-VGA VESA-VGA VESA-VGAH-frequency (kHz) 31.468 31.469 31.468 31.

15 16 17 18 19 Signal name Symbol XGA XGA XGA SXGA HD-720P H-frequency (kHz) 58.099 60.023 68.677 63.981 45.000 V-frequency (Hz) 72.082 75

Adjusting the Screen Image:Use 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:1To display the Main Menu, press button [1]. NOTE: All OnView menus and adjustment screens disappear autom

Main Menu ControlsAdjust the menu items shown below by using the up ▲ and down ▼ buttons. ControlExplanationAuto Image Adjustautomatically sizes, c

Color Adjust provides several color adjustment modes: preset color temperatures andRGBwhich allows you to adjust red (R), green (G), and blue (B) sepa

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

Information displays the timing mode (video signal input) coming from the graphics card in your computer. See your graphic card’s user guide for instr

Setup Menu displays the menu shown below.The Setup Menu controls are explained below:Languageallows you to choose the language used in the menus and c

D252, D253 are 3.3V convert 2.5V. 4.2 DDC data select: 4.2.1 IC601(AT24C02) saves D-SUB DDC data. 4.2.2 IC602(AT24C02) saves DVI, DDC data. 4.3 MC

5.1 General. 1. All specification must be met over line voltage range of 90VAC to 264VAC 50Hz / 60Hz, unless otherwise specified. 2. Operating tempe

InputD-SUBInputD-SUBInput1280x1024 / 60Hz16 Grays patternPush"DOWN + 2 + DC power"3 secondPush"1 + DC power"3 secondSelect"RG

5.2.2 Video alignment. 5.2.1.1 Preset condition. 5.2.1.1.1 Setting the contrast to 70%, brightness to 100%. 5.2.1.1.2 Input 1280x1024 / 60Hz, 16 gr

Check that CN251 pin1, 2 are approximately 12VCheck that FB251, FB252, F251 are 12VFailure point1. Power board failure.2. Disconnected between CN251 a

6.2 No display on screen (Screen is black, LED is off). AC power on and DC power onno pictureLED is offCheck that C255 positive is at 5VCheck that

6.3 No display on screen (LED is green). Is the backlight lit?Check that the cable isfully connected to CN401Check:1. C262 is O/P 2.V.2. IC253 is O/

6.4 Show “No signal” on screen. Check that signal level of R612, R613, R614, R641, R642, R643, R644, R645, R646, R647, R648Check the Hsync and Vsync

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

6.6 Figure of Waveform 27ViewSonic Corporation Confidential - Do Not Copy VG810s/b

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Item ViewSonic P/N Ref. P/N Description Location Q'ty1 A-PC-0106-0193 3070000501 AC POWER CORD L1800 BLACK EURO 12 A-AU-0120-0033 3080005100 CABL

Item ViewSonic P/N Ref. P/N Description Location Q'tyVG810b Recommended Spare Parts List 60 M-BK-0805-0042 3461234301 SHIELD CAN SPTE 226*62.8*18

Item ViewSonic P/N Ref. P/N Description Location Q'ty1 A-PC-0106-0193 3070000501 AC POWER CORD L1800 BLACK EURO 12 A-AU-0120-0033 3080005100 CABL

Item ViewSonic P/N Ref. P/N Description Location Q'tyVG810s Recommended Spare Parts List 66 P-FM-0602-0836 3500116101 END BLOCK-BOTTOM L18FMW05AA

Item ViewSonic P/N Ref. P/N DescriptionLocationQ'ty1 A-PC-0106-0193 3070000501 AC POWER CORD L1800 BLACK EURO 12 A-AU-0120-0033 3080005100 CABLE

Item ViewSonic P/N Ref. P/N DescriptionLocationQ'tyVG810b BOM LIST68 M-BK-0805-0043 3461753201 BRACKET ARM SECC 156*126.1*153.6 T2 169 M-BK-0805-

Item ViewSonic P/N Ref. P/N DescriptionLocationQ'tyVG810b BOM LIST134 #N/A 313331000 RES CH 1/4W 330 J 1206R441135 #N/A 313471000 RES CH 1/4W 470

Item ViewSonic P/N Ref. P/N DescriptionLocationQ'tyVG810b BOM LIST186 E-C-0404-4861 140152211467 CAP AL LD 35V 220U M 10*12.5 TP5C33, C362187 E-C

Prior to using this manual, please ensure that you have carefully followed all the procedures outlined in the user manual for this product. • Read

Item ViewSonic P/N Ref. P/N DescriptionLocationQ'tyVG810b BOM LIST236 #N/A 203812580236 DIO ZEN 0.5W 8.57-9.01V LLDS(MINIMELF)D801, ZD022237 #N/A

Item ViewSonic P/N Ref. P/N DescriptionLocationQ'tyVG810b BOM LIST290 #N/A 2921093612 BEAD CH 100MHZ 120 OHM 0.2A 0603FB301, FB302, FB303, FB304,

Item ViewSonic P/N Ref. P/N Description Location Q'ty1 A-PC-0106-0193 3070000501 AC POWER CORD L1800 BLACK EURO 12 A-AU-0120-0033 3080005100 CABL

Item ViewSonic P/N Ref. P/N Description Location Q'tyVG810s BOM LIST64 PL-PD-0714-0068 3240957500 RUBBER FOOT 75*10 T3 BKT BASE 265 M-MS-0808-913

Item ViewSonic P/N Ref. P/N Description Location Q'tyVG810s BOM LIST128 B-SB-0221-0589 5600110126 LCD INVERTER BD ASSY L18FMR 05AAB 1129 #N/A 297

Item ViewSonic P/N Ref. P/N Description Location Q'tyVG810s BOM LIST182 #N/A 910500316 NTC R=5 OHM L 4A NTC101 1183 #N/A 923610045 VARISTOR 360V

Item ViewSonic P/N Ref. P/N Description Location Q'tyVG810s BOM LIST237 #N/A 203812550631 DIO ZEN 0.5W 6.66-7.01V MINIMELF D802, D803, D804, D805

Item ViewSonic P/N Ref. P/N Description Location Q'tyVG810s BOM LIST295 #N/A 2921093612 BEAD CH 100MHZ 120 OHM 0.2A 0603FB301, FB302, FB303, FB30

8. Exploded Diagram And Spare Parts ListItem ViewSonic P/N Ref. P/N Description Q'TY1 C-FP-0301-0963 3361084801 F/B ABS SV-651 VG810S S8LFC1LS 12

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2.1 General Description Active matrix thin-film-transistor (TFT) Type No: LM181E06-A4M5 LCD LG LM181E06-A4M5 Active screen Size Effective Display Siz

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9. Block Diagram 49ViewSonic Corporation Confidential - Do Not Copy VG810s/b

10. Schematic Diagrams50ViewSonic Corporation Confidential - Do Not Copy VG810s/b

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52ViewSonic Corporation Confidential - Do Not Copy VG810s/b

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2.2 Electrical Characteristics 2.2.1 Power Supply AC Input Voltage AC 100~240 V / 47.5~63Hz Power Consumption: Less than 60W On mode Less than

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11. PCB Layout Diagrams 60ViewSonic Corporation Confidential - Do Not Copy VG810s/bMain Board

61ViewSonic Corporation Confidential - Do Not Copy VG810s/bMain Board

62ViewSonic Corporation Confidential - Do Not Copy VG810s/bPower Board

63ViewSonic Corporation Confidential - Do Not Copy VG810s/bControl 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

2.2.5 Power Management VG810 will enter power saving mode under the following conditions: Power Management condition and status Signals State Horizont

2.3.4 Luminance test 2.3.4.1 Set color temperature to 9300°K Apply VESA 1280x1024/60Hz , apply full white pattern, adjust OSD Brightness = 100%, Co

2.4. Key function define Hot Key Key “Volume –“ Key “Volume +” Key “1” Key “DOWN” Key “UP” Key “2” power functions ○ ○ ○ Factory mode ○ ○