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1.
Deflection presets.
Control pots VR101, VR401, VR403, Focus VR are set at middle point; Screen VR set to MIN.
2.
Power supply alignment.
2.1 Input 640*480 / 70 Hz 31KHz. signal with dark pattern
2.2 Adjust VR101 until DC = 75V± 0.3V at TP201.
2.3 Adjust VR403 until voltage at TP208 = 66 V ± 0.3V
2.4 Check output Q206 at TP205 voltage must be between 11.7V to 12.3V.
3.
Focus adjustment.
3.1 Apply signal all " me " pattern at 1024*768 /75Hz mode.
3.2 Set brightness 50%, contrast 100%.
3.3 Set focus control for best focus.
4.
Manual white balance adjusting
1
*** Before adjusting manual " white balance", you must adjust picture to good size and center. ***
4.1
Enter to Burn-in mode
Press
4.2
Apply Chroma to white pattern to degauss the monitor.
4.3
Apply signal of Chroma to spec (See note. 2) and black pattern then Power Off monitor.
4.4
Enter to Factory mode
1
Press
4.5
Press "
If "Factory mode" doesn't appear in OSD. Please try Item 4.1-4.4 again. (See note 1)
This key
and
respectively. Press
Start adjust 9300K
4.6
After entering into "Factory mode " , move cursor to contrast and adjust Contrast to
100% then adjust Brightness to 100%. Then go to OSD position function and move OSD to
corner of display.
4.7
Low light adjusting : Go to R-CUT OFF, and adjust R-CUT OFF to 0% on OSD.
Repeat this method for G-CUT OFF and B-CUT OFF too.
R
G
B
ViewSonic Corporation
5.
ADJUSTING PROCEDURE
2
2
and
and Power On. Then press
and
and Power On. Then press
" for displaying OSD (after entry to the Factory mode ).
is for selecting or entering to each function menu.
2
are for moving the cursor to each menu and for adjusting decrease and increase
to enter to each function in OSD menu.
R
R-CUT OFF
G
G-CUT OFF
B
B-CUT OFF
Power switch
2
and
around 5 seconds after power On.
1
and
around 5 seconds after power is On.
R-DRIVE
G-DRIVE
B-DRIVE
8
Confidential – Do Not Copy
E55-2
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