ViewSonic Vp9303 Service Manual

ViewSonic Corporation Confidential - Do Not Copy  VP930-3_VP930b-3 
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Do the following to adjust the display setting:
1.To display the Main Menu, press button [1].
NOTE:  All OSD menus and adjustment screens disappear automatically after about 15 
seconds. This is adjustable through th e OSD timeout setting in the setup menu.
2. To select a control to adjust, press SorT to scroll up or down in the Main Menu.
3. After the desired control is se lected, press button [2]. A control screen like the one...

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Main Menu Controls
Adjust the menu items shown below by using the up Sand downT buttons.
Control Explanation Auto Image Adjust  automatically sizes, centers,  and fine tunes the video signal
to eliminate waviness and distortion. Pr ess the [2] button to obtain a sharper
image.
NOTE:  Auto Image Adjust works with most common video cards. If this
function does not work on your LCD display, then lower the video refresh rate
to 60...

Control Explanation
9300K - Adds blue to the screen image for cooler white (used in most office
settings with fluorescent lighting).
7500K -  Adds blue to the screen image for cooler white (used in most office
settings with fluorescent lighting).
6500K -  Adds red to the screen image for warmer white and richer red.
5400K -  Adds green to the screen image for a darker color.
5000K -  Adds blue and green to the screen image for a darker color.
User Color  - Individual adjustments for red (R), green (G),...

 Control Explanation
H./V. Position (Horizontal/Vertical Position)  moves the screen image left or
right and up or down.
Horizontal Size  adjusts the width of the screen image.
Fine Tune  sharpens the focus by aligning text and/or graphics with pixel
boundaries.
Sharpness  adjusts the clarity and focus of the screen image.
Setup Menu  displays the menu shown below:
Language Select  allows the user to choose the language used in the menus and
control screens.
Resolution Notice  allows the user to enable...

 Control Explanation
Memory Recall  returns the adjustments back to factory settings if the display is
operating in a factory Preset Timing Mode listed in the Specifications of this
manual.
Exception:  This control does not affect changes made with the User Color
control, Language Select or Power Lock setting.ViewSonic Corporation  Confidential - Do Not Copy  VP930-3_VP930b-3 
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4. Circuit Description 
Scaler: M-star TSUM66AJ 
 
GENERAL DESCRIPTION   
The TSUM66AJ is total solution graphics processi ng IC for LCD monitors with panel resolutions 
up to SXGA. It is   
configured with a high-speed integrated triple -ADC/PLL, an integrated DVI receiver, a high 
quality display   
processing engine, and an integrated output  display interface that can support LVDS panel 
interface format.   
To further reduce system costs, the TSUM66AJ  also integrates intelligent power management...

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