Service manual
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Electrical Adjustments
1. Enter the service mode.
2. Receive the 16-step grey scale composite video sig-
nal with Video[Video] mode.
3. Connect an oscilloscope to test point “TP35G” (+)
and chassis ground (-).
4. Select group no. “100”, item no. “6” and change data
value to adjust amplitude “a” to be 1.6 ±0.1V.
(a)
white level
white level
. 50% White adjustment [Video]
1. Enter the service mode.
2. Receive the 16-step grey scale composite video sig-
nal with Video[Video] mode.
3. Select group no. “100” item no. “7” (Red) or “8” (Blue),
and change Data values respectively to make a prop-
er white balance.
Confirm that the same white balance is obtained in video
and computer input.
⁄0 White Balance adjustment [Video]
Note On White Uniformity Adjustment
If you find the color shading on the screen, please ad-
just the white uniformity by using the proper computer
and “Color Shading Correction” software supplied sep-
arately.