Sanyo PLC-XL50A - System Settings Configuration; Language, Zoom, and Keystone Settings

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Service Adjustment
1. Enter the service mode,
2. Receive the 16-step gray scale computer signal with
Computer1 [RGB] mode.
3. Select group no. “100” item no. “7” (Red) or “8” (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.
8. White Balance adjustment [PC]
1. Enter the service mode.
2. Receive the 16-step grey scale computer signal with
Computer1 [RGB] 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
7. 50% White adjustment [PC]
1. Enter the service mode.
2. Receive the 50%-Whole Gray computer signal with
Computer1 [RGB] mode.
3. Select group no. “100”, item no. “92” and change data
value to “2” to reduce the panel frequency.
4. Project only green light component to the screen.
5. Select group no. “101”, item no. “1” and change data
value to obtain the minimum flicker on the screen.
6. Project only red light component to the screen.
7. Select item no. “0” and change data value to obtain the
minimum flicker on the screen.
8. Project only blue light component to the screen.
9. Select item no. “2 and change data value to obtain the
minimum flicker on the screen.
10. Select group no. “100”, item no. “92” and change data
value to “0” to reset the panel frequency.
6. Common Center adjustment
1. Enter the service mode.
2. Receive the 16-step grey scale composite video signal
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
9. 50% White adjustment [Video]
1. Enter the service mode.
2. Receive the 16-step grey scale composite video signal
with Video[Video] mode.
3. Select group no. “100” item no. “7” (Red) or “8” (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.
10. White Balance adjustment [Video]