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Electrical Adjustments
⁄0
Gamma adjustment
[PC-GAMMA ADJUSTMENT]
1. Receive the 16-step grey scale computer signal with
Computer1 [RGB] mode.
2. Enter the service mode.
3. Connect an oscilloscope to test point "
(+) and chassis ground (-).
16
4. Select item no. "
" and change data value to adjust
1.6
amplitude "a" to be
[AV-GAMMA ADJUSTMENT]
1. Receive the 16-step grey scale video signal with
Video [Video] mode.
2. Enter the service mode.
3. Connect an oscilloscope to test point "
(+) and chassis ground (-).
16
4. Select item no. "
" and change data value to adjust
1.9
amplitude "a" to be
white level
TPVIDEOG
±0.1V.
TPVIDEOG
±0.1V.
(a)
white level
⁄1
White Balance adjustment
[PC WHITE BALANCE ADJUSTMENT]
1. Receive the 16-step gray scale computer signal with
Computer1 [RGB] mode.
2. Enter the service mode, select item no. "
18
"
"
" (Blue), and change Data values respectively to
make a proper white balance.
[AV WHITE BALANCE ADJUSTMENT]
1. Receive the 16-step gray scale composite video sig-
nal with Video [Video] mode.
2. Enter the service mode, select item no. "
18
"
" (Blue), and change Data values respectively to
make a proper white balance.
"
Confirm that the same white balance is obtained in
video and computer input.
NOTE ON WHITE UNIFORMITY
ADJUSTMENT
If you find the color shading on the screen, please
adjust the white uniformity by using the proper com-
puter and "Color Shading Correction" software sup-
plied separately.
The software can be ordered as follows;
COLOR SHADING CORRECTION ver. 3.03
Service Parts No.
-26-
17
" (Red) or
17
" (Red) or
645 066 7428
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