Service Manual
Page 4
... monitor should be repaired by a qualified technician. ēDo not remove the monitor cabinet. ViewSonic Corporation - 4 - The use or installation may create shock, fire ,or other hazards. 1.3 SERVICE NOTES 1. If it gets wet, unplug the power cable immediately and consult your service technician. ēAlways unplug the monitor before cleaning it .Clean the cabinet with this monitor for higher voltages, wattage, etc. When replacing parts or circuit boards...
... monitor should be repaired by a qualified technician. ēDo not remove the monitor cabinet. ViewSonic Corporation - 4 - The use or installation may create shock, fire ,or other hazards. 1.3 SERVICE NOTES 1. If it gets wet, unplug the power cable immediately and consult your service technician. ēAlways unplug the monitor before cleaning it .Clean the cabinet with this monitor for higher voltages, wattage, etc. When replacing parts or circuit boards...
Service Manual
Page 12
.... Contrast adjusts the difference between an analog and a digital signal. Mute temporarily silences audio output. The factory setting for this product is set to a Preset Timing Mode, colors return to the 6500K factory preset. Confidential - Brightness adjusts background black level of red (R), green (G), and blue (B). Color Adjust provides several color adjustment modes, including preset color temperatures and a User Color mode which allows independent adjustment of the screen image. To adjust selected color, press ▼ and ▲. Do Not Copy VG720 Input Select...
.... Contrast adjusts the difference between an analog and a digital signal. Mute temporarily silences audio output. The factory setting for this product is set to a Preset Timing Mode, colors return to the 6500K factory preset. Confidential - Brightness adjusts background black level of red (R), green (G), and blue (B). Color Adjust provides several color adjustment modes, including preset color temperatures and a User Color mode which allows independent adjustment of the screen image. To adjust selected color, press ▼ and ▲. Do Not Copy VG720 Input Select...
Service Manual
Page 13
... clarity and focus of the screen image. See your graphics card's user guide for instructions on changing the resolution and refresh rate (vertical frequency). H./V. Position (Horizontal/Vertical Position) moves the screen image left or right and up or down. ViewSonic Corporation - 13 - Do Not Copy VG720 Information displays the timing mode (video signal input) coming from the graphics card in the computer, the LCD model number, the serial number, and ® the ViewSonic website URL. Manual Image Adjust Sub-menu H. NOTE: Try Auto Image Adjust first. Fine Tune sharpens...
... clarity and focus of the screen image. See your graphics card's user guide for instructions on changing the resolution and refresh rate (vertical frequency). H./V. Position (Horizontal/Vertical Position) moves the screen image left or right and up or down. ViewSonic Corporation - 13 - Do Not Copy VG720 Information displays the timing mode (video signal input) coming from the graphics card in the computer, the LCD model number, the serial number, and ® the ViewSonic website URL. Manual Image Adjust Sub-menu H. NOTE: Try Auto Image Adjust first. Fine Tune sharpens...
Service Manual
Page 15
... pressed the message OSD Locked will display for 10 seconds. SHORT CUTS FUNCTION FROM THE BUTTONS [1] Main Menu [2] Input toggle (Analog or Digital). [▼] or [▲] To immediately activate Contrast menu. It should be change to Brightness OSD by push button [2] or X] recall both of Contrast and Brightness to default [1] + [2] [1] + [;X] toggle 720x400 and 640x400 mode when input 720x400 or 640x400 mode White Balance. (Not shown on user's guide) [2] + [▼] • Power Button Lock: Press and hold...
... pressed the message OSD Locked will display for 10 seconds. SHORT CUTS FUNCTION FROM THE BUTTONS [1] Main Menu [2] Input toggle (Analog or Digital). [▼] or [▲] To immediately activate Contrast menu. It should be change to Brightness OSD by push button [2] or X] recall both of Contrast and Brightness to default [1] + [2] [1] + [;X] toggle 720x400 and 640x400 mode when input 720x400 or 640x400 mode White Balance. (Not shown on user's guide) [2] + [▼] • Power Button Lock: Press and hold...
Service Manual
Page 23
... proceeding White-Balance adjustment. 1. parameter is the procedure to do the Chroma-7120 MEM .Channel setting AeReference to chroma 7120 user guide BeUse " SC" key and " NEXT" key to modify xyY value and use "ID" key to modify the TEXT description Following is Wx = 0.313Ô0.03;Wy = 0.329 Ô0.03; Y = 220 Ô20 cd/m2, ViewSonic...
... proceeding White-Balance adjustment. 1. parameter is the procedure to do the Chroma-7120 MEM .Channel setting AeReference to chroma 7120 user guide BeUse " SC" key and " NEXT" key to modify xyY value and use "ID" key to modify the TEXT description Following is Wx = 0.313Ô0.03;Wy = 0.329 Ô0.03; Y = 220 Ô20 cd/m2, ViewSonic...
Service Manual
Page 24
... 6500 color-temperature (1)eSwitch the chroma-7120 to RGB-Mode (with press "MODE" button ) (2)eSwitch the MEM .channel to RGB-Mode (with up or down arrow on chroma 7120 ) (3)eThe LCD-indicator on chroma 7120 will do AUTO LEVEL automatically. Do Not Copy VG720 Confidential - Meanwhile press MENU the OSD screen will located at LEFT TOP OF PANEL. 4.)Bias adjustment : Set the Contrast to 70 Adjust the Brightness to...
... 6500 color-temperature (1)eSwitch the chroma-7120 to RGB-Mode (with press "MODE" button ) (2)eSwitch the MEM .channel to RGB-Mode (with up or down arrow on chroma 7120 ) (3)eThe LCD-indicator on chroma 7120 will do AUTO LEVEL automatically. Do Not Copy VG720 Confidential - Meanwhile press MENU the OSD screen will located at LEFT TOP OF PANEL. 4.)Bias adjustment : Set the Contrast to 70 Adjust the Brightness to...
Service Manual
Page 26
.../640x400 Defaults 33% 50% 50% 15 Sec On Off Enabled 720x400 5.5 Function Test 1 Product: 17" LCD Monitor 2 Test Equipment: Color Video Signal & Pattern (or PC with SXGA resolution and a sound card) 3 Test Condition: Before function test and alignment, each LCD Monitor should be warmed up for at least 30 minutes with the following conditions: (a)In room temperature, (b) With full-white screen, RGB, and Black (c) With cycled display modes...
.../640x400 Defaults 33% 50% 50% 15 Sec On Off Enabled 720x400 5.5 Function Test 1 Product: 17" LCD Monitor 2 Test Equipment: Color Video Signal & Pattern (or PC with SXGA resolution and a sound card) 3 Test Condition: Before function test and alignment, each LCD Monitor should be warmed up for at least 30 minutes with the following conditions: (a)In room temperature, (b) With full-white screen, RGB, and Black (c) With cycled display modes...
Service Manual
Page 27
... 1 Figure 2 Figure 3 Figure 4,5,6 Figure 7 Figure 7,8 Figure 9 Fine Line Morie Pattern (Figure1) Gray Scale Pattern (Figure2) ViewSonic Corporation - 27 - The numbers of each R, G, B, color should be normal. Confidential - Do Not Copy VG720 The screen must have the pure white and black pattern, no other color. Contrast of dead pixels should be compliant with the spec. Horizontal and Vertical position of video should be compliant with the...
... 1 Figure 2 Figure 3 Figure 4,5,6 Figure 7 Figure 7,8 Figure 9 Fine Line Morie Pattern (Figure1) Gray Scale Pattern (Figure2) ViewSonic Corporation - 27 - The numbers of each R, G, B, color should be normal. Confidential - Do Not Copy VG720 The screen must have the pure white and black pattern, no other color. Contrast of dead pixels should be compliant with the spec. Horizontal and Vertical position of video should be compliant with the...
Service Manual
Page 30
... within screen frame. (b)Then, select and enter "Horizontal Size" or "Horizontal/Vertical Position" function to adjust the video boundary to make sure every secondary is compliant with the specification. - If not, please return the unit to repair area. Make sure that audio function (volume 80%) is in balance. White Balance Test Signal: 640*480@60Hz Test Pattern: White and Black Pattern 1.5.8 R, G, B, Colors Contrast Test Signal: 1280*1024@60Hz Test Pattern: R, G, B, Color Intensities...
... within screen frame. (b)Then, select and enter "Horizontal Size" or "Horizontal/Vertical Position" function to adjust the video boundary to make sure every secondary is compliant with the specification. - If not, please return the unit to repair area. Make sure that audio function (volume 80%) is in balance. White Balance Test Signal: 640*480@60Hz Test Pattern: White and Black Pattern 1.5.8 R, G, B, Colors Contrast Test Signal: 1280*1024@60Hz Test Pattern: R, G, B, Color Intensities...
Service Manual
Page 86
... content after reading VG720 Service Manual? Recommended Spare Parts List 8. The form and listing Excellent Good Fair Bad C. Precautions And Safety Notice 2. Reader's Basic Data: Name: Company: Add: Tel: E-Mail: Title: Fax : After completing this Service Manual? Confidential - Exploded Diagram And Spare Parts List 9. Block Diagram 10. Are you have any suggestion to ViewSonic Corporation. Service Manual Content 2. Specification 3. Assessment A. Troubleshooting Flow Chart 7. PCB...
... content after reading VG720 Service Manual? Recommended Spare Parts List 8. The form and listing Excellent Good Fair Bad C. Precautions And Safety Notice 2. Reader's Basic Data: Name: Company: Add: Tel: E-Mail: Title: Fax : After completing this Service Manual? Confidential - Exploded Diagram And Spare Parts List 9. Block Diagram 10. Are you have any suggestion to ViewSonic Corporation. Service Manual Content 2. Specification 3. Assessment A. Troubleshooting Flow Chart 7. PCB...
User Guide
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Contents TCO Information i Compliance Information 1 Important Safety Instructions 2 Copyright Information 3 Product Registration 3 Getting Started Package Contents 4 Precautions 4 Quick Installation 5 Wall Mounting (Optional 6 Using the LCD Display Setting the Timing Mode 7 OSD and Power Lock Settings 7 Adjusting the Screen Image 8 Main Menu Controls 9 Other Information Specifications 14 Troubleshooting 15 Customer Support 16 Cleaning the LCD Display 17 Limited Warranty 18 ViewSonic VG720
Contents TCO Information i Compliance Information 1 Important Safety Instructions 2 Copyright Information 3 Product Registration 3 Getting Started Package Contents 4 Precautions 4 Quick Installation 5 Wall Mounting (Optional 6 Using the LCD Display Setting the Timing Mode 7 OSD and Power Lock Settings 7 Adjusting the Screen Image 8 Main Menu Controls 9 Other Information Specifications 14 Troubleshooting 15 Customer Support 16 Cleaning the LCD Display 17 Limited Warranty 18 ViewSonic VG720
User Guide
Page 8
... -screen colors. Package Contents Your LCD display package includes: • LCD display • Power cord • Audio cable (stereo mini jack) • Video cable (VGA and DVI) • ViewSonic Wizard CD-ROM • Quick Start Guide NOTE: The CD includes the User Guide PDF files and INF/ICM display optimization files. NOTE: The word "Windows" in a well ventilated area. You may permanently damage the screen. It is clean and free of a ViewSonic® LCD display. The INF file ensures compatibility with...
... -screen colors. Package Contents Your LCD display package includes: • LCD display • Power cord • Audio cable (stereo mini jack) • Video cable (VGA and DVI) • ViewSonic Wizard CD-ROM • Quick Start Guide NOTE: The CD includes the User Guide PDF files and INF/ICM display optimization files. NOTE: The word "Windows" in a well ventilated area. You may permanently damage the screen. It is clean and free of a ViewSonic® LCD display. The INF file ensures compatibility with...
User Guide
Page 9
... to auto-start. If your computer does not have a CD-ROM drive, see the graphics card's user guide. Windows users: Set the timing mode (resolution and refresh rate) Example: 1280 x 1024 @ 60 Hz. Installation is important. Connect power cord (and AC/DC adapter if required) 2. Insert the ViewSonic Wizard CD into the adapter. The ViewSonic Wizard CD-ROM also provides an opportunity for the CD-ROM to ViewSonic. Audio Cable AC IN DVI D-SUB Power Code...
... to auto-start. If your computer does not have a CD-ROM drive, see the graphics card's user guide. Windows users: Set the timing mode (resolution and refresh rate) Example: 1280 x 1024 @ 60 Hz. Installation is important. Connect power cord (and AC/DC adapter if required) 2. Insert the ViewSonic Wizard CD into the adapter. The ViewSonic Wizard CD-ROM also provides an opportunity for the CD-ROM to ViewSonic. Audio Cable AC IN DVI D-SUB Power Code...
User Guide
Page 11
... card's user guide for instructions. The timing mode consists of the screen image and minimizing eye strain. OSD and Power Lock Settings • OSD Lock: Press and hold [2] and the down arrow T for 10 seconds. ViewSonic VG720 7 Using the LCD Display Setting the Timing Mode Setting the timing mode is important for maximizing the quality of the resolution (example 1280 x 1024) and refresh rate (or vertical frequency; Set the refresh rate: See your LCD display's power will automatically turn ON when power is restored. • Power Button Unlock...
... card's user guide for instructions. The timing mode consists of the screen image and minimizing eye strain. OSD and Power Lock Settings • OSD Lock: Press and hold [2] and the down arrow T for 10 seconds. ViewSonic VG720 7 Using the LCD Display Setting the Timing Mode Setting the timing mode is important for maximizing the quality of the resolution (example 1280 x 1024) and refresh rate (or vertical frequency; Set the refresh rate: See your LCD display's power will automatically turn ON when power is restored. • Power Button Unlock...
User Guide
Page 12
...Displays the control screen for the highlighted control. Also a shortcut to display the Contrast adjustment control screen. Also a shortcut to toggle analog and digital connection. Adjusting the Screen Image Use the buttons on the front control panel to display and adjust the OSD controls which display on some screens. Scrolls through menu options and adjusts the displayed control. Also toggles between two controls on the screen. Standby Power On/Off ViewSonic VG720 8 Main Menu with OSD controls Front Control Panel shown below in "Main Menu Controls" on page 10. The OSD controls...
...Displays the control screen for the highlighted control. Also a shortcut to display the Contrast adjustment control screen. Also a shortcut to toggle analog and digital connection. Adjusting the Screen Image Use the buttons on the front control panel to display and adjust the OSD controls which display on some screens. Scrolls through menu options and adjusts the displayed control. Also toggles between two controls on the screen. Standby Power On/Off ViewSonic VG720 8 Main Menu with OSD controls Front Control Panel shown below in "Main Menu Controls" on page 10. The OSD controls...
User Guide
Page 14
Brightness adjusts background black level of red (R), green (G), and blue (B). Mute temporarily silences audio output. Color Adjust provides several color adjustment modes, including preset color temperatures and a User Color mode which allows independent adjustment of the screen image. ViewSonic VG720 10 Audio Adjust Volume increases the volume, decreases the volume, and mutes the audio. Control Explanation Auto Image Adjust sizes and centers the screen image automatically. Input Select allows the user to the screen image for a darker color. The factory setting for this ...
Brightness adjusts background black level of red (R), green (G), and blue (B). Mute temporarily silences audio output. Color Adjust provides several color adjustment modes, including preset color temperatures and a User Color mode which allows independent adjustment of the screen image. ViewSonic VG720 10 Audio Adjust Volume increases the volume, decreases the volume, and mutes the audio. Control Explanation Auto Image Adjust sizes and centers the screen image automatically. Input Select allows the user to the screen image for a darker color. The factory setting for this ...
User Guide
Page 15
Control Explanation User Color Individual adjustments for instructions on changing the resolution and refresh rate (vertical frequency). To adjust selected color, pressSandT. Manual Image Adjust Sub-menu H. H./V. ViewSonic VG720 11 Information displays the timing mode (video signal input) coming from the Main Menu when the product is 60 Hertz. Important: If you select RECALL from the graphics card in the computer, the LCD model number, the serial number, and the ViewSonic® website URL. Position (Horizontal/Vertical Position) moves the screen image left or right and up ...
Control Explanation User Color Individual adjustments for instructions on changing the resolution and refresh rate (vertical frequency). To adjust selected color, pressSandT. Manual Image Adjust Sub-menu H. H./V. ViewSonic VG720 11 Information displays the timing mode (video signal input) coming from the Main Menu when the product is 60 Hertz. Important: If you select RECALL from the graphics card in the computer, the LCD model number, the serial number, and the ViewSonic® website URL. Position (Horizontal/Vertical Position) moves the screen image left or right and up ...
User Guide
Page 18
Other Information Specifications LCD Type Color Filter Glass Surface 17" (full 17" viewable diagonal area), TFT (Thin Film Transistor), Active Matrix SXGA LCD, 0.264 mm pixel pitch RGB vertical stripe Anti-Glare Input Signal Video Sync RGB analog (0.7/1.0 Vp-p, 75 ohms) Separate Sync, TMDS Digital (100ohms) fh:30-82 kHz, fv:50-75 Hz Compatibility PC Macintosh1 Up to 1280 x 1024 Non-interlaced Power Macintosh up to 1280 x 1024 Resolution Recommended and...
Other Information Specifications LCD Type Color Filter Glass Surface 17" (full 17" viewable diagonal area), TFT (Thin Film Transistor), Active Matrix SXGA LCD, 0.264 mm pixel pitch RGB vertical stripe Anti-Glare Input Signal Video Sync RGB analog (0.7/1.0 Vp-p, 75 ohms) Separate Sync, TMDS Digital (100ohms) fh:30-82 kHz, fv:50-75 Hz Compatibility PC Macintosh1 Up to 1280 x 1024 Non-interlaced Power Macintosh up to 1280 x 1024 Resolution Recommended and...
User Guide
Page 19
... colors (red, green, or blue) are missing, check the video cable to make sure it to the LCD display. • Adjust brightness and contrast. • If you are using an Macintosh older than G3, you have an older graphics card, contact ViewSonic® for a non-DDC adapter. ViewSonic VG720 15 Troubleshooting No power • Make sure power button (or switch) is ON. • Make sure A/C power cord is securely connected to the LCD display. • Plug another computer. • If you need a Macintosh adapter. Control buttons...
... colors (red, green, or blue) are missing, check the video cable to make sure it to the LCD display. • Adjust brightness and contrast. • If you are using an Macintosh older than G3, you have an older graphics card, contact ViewSonic® for a non-DDC adapter. ViewSonic VG720 15 Troubleshooting No power • Make sure power button (or switch) is ON. • Make sure A/C power cord is securely connected to the LCD display. • Plug another computer. • If you need a Macintosh adapter. Control buttons...
User Guide
Page 22
... first consumer purchaser. Warranty_VSLCD 4.3: ViewSonic LCD Warranty Rev. 1c 1 of supplies or parts not meeting ViewSonic's specifications. What the warranty does not cover: 1. Causes external to the cost of repair or replacement of time. 4. and Canada, contact ViewSonic or your address, (d) a description of the problem, and (e) the serial number of the nearest ViewSonic service center, contact ViewSonic. d. Exclusion of damages: ViewSonic's liability is displayed on implied warranties and...
... first consumer purchaser. Warranty_VSLCD 4.3: ViewSonic LCD Warranty Rev. 1c 1 of supplies or parts not meeting ViewSonic's specifications. What the warranty does not cover: 1. Causes external to the cost of repair or replacement of time. 4. and Canada, contact ViewSonic or your address, (d) a description of the problem, and (e) the serial number of the nearest ViewSonic service center, contact ViewSonic. d. Exclusion of damages: ViewSonic's liability is displayed on implied warranties and...