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Electrical Adjustments
COMMON CENTER ADJUSTMENT
1. Receive the 1 dot line computer signal.
2. Set to COMPUTER mode.
[R-COMMON CENTER ADJUSTMENT]
3. Cover the G and B panel to block the light transit.
4. Adjust VR2561 to obtain the minimum flicker on the
picture.
[G-COMMON CENTER ADJUSTMENT]
5. Cover the R and B panel to block the light transit.
6. Adjust VR2571 to obtain the minimum flicker on the
picture.
[B-COMMON CENTER ADJUSTMENT]
7. Cover the G and R panel to block the light transit.
8. Adjust VR2581 to obtain the minimum flicker on the
picture.
WHITE BALANCE ADJUSTMENT
[PC WHITE BALANCE ADJUSTMENT]
1. Receive the 16-step grey scale computer signal.
2. Set to COMPUTER mode.
3. Enter to the service mode, select item no. "16" (Red)
or "17" (Blue), and change data values respectively to
make a proper white balance.
[AV WHITE BALANCE ADJUSTMENT]
4. Receive the 16-step grey scale video signal.
5. Set to VIDEO mode.
6. Select item no. "16" (Red) or "17" (Blue), and change
data values respectively to make a proper white bal-
ance.
[COMPONENT WHITE BALANCE ADJUSTMENT]
7. Receive the 16-step grey scale component video sig-
nal.
8. Set to VIDEO (Component) mode.
9. Select item no. "16" (Red) or "17" (Blue), and change
data values respectively to make a proper white bal-
ance.
Confirm that the same white balance is obtained in
video, computer and component input.
BLACK BALANCE ADJUSTMENT
[PC BLACK BALANCE ADJUSTMENT]
1. Receive the 16-step grey scale computer signal.
2. Set to COMPUTER mode.
3. Enter to the service mode, select item no. "9" (Red) or
"10" (Blue), and change data values respectively to
make a proper white balance at darker portion of the
screen.
[AV BLACK BALANCE ADJUSTMENT]
4. Receive the 16-step grey scale video signal.
5. Set to VIDEO mode.
6. Select item no. "9" (Red) or "10" (Blue), and change
data values respectively to make a proper white bal-
ance at darker portion of the screen.
[AV BLACK BALANCE ADJUSTMENT]
7. Receive the 16-step grey scale component video sig-
nal.
8. Set to VIDEO (Component) mode.
9. Select item no. "9" (Red) or "10" (Blue), and change
data values respectively to make a proper white bal-
ance at darker portion of the screen.
Confirm that the same white balance is obtained at
darker portion of the screen in video, computer and
component input.
NOTE ON WHITE UNIFORMITY
ADJUSTMENT
If you find the color shading, please adjust the white
uniformity by using the proper computer and "Color
Shading Correction" software supplied separately. The
software can be ordered as follows;
COLOR SHADING CORRECTION (Ver. 2.0.2)
Service Parts No.
-28-
645 045 7272
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