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Electrical Adjustments
6. Auto calibration adjustment [Video]
1. Enter the service mode.
. Receive the 16-step grey scale composite video sig-
Video
nal with
mode.
. To start the auto-calibration for Component adjust-
ment, select group no. "
change data value from "
bration completed, "OK" will appear on the screen.
below adjustment is performed when the above auto
calibration is failed.
Gain adjustment [Video]
1. Enter the service mode.
. Receive the 16-step grey scale composite video signal
Video
with
mode.
. Connect an oscilloscope to test point "
and chassis ground (-).
20
4. Select group no. "
" , item no. "
a
amplitude "
" to be minimum by changing the Data
value.
White Level
(a)
7. common center adjustment
1. Enter the service mode.
. Receive the 50%-Whole Gray computer signal with
computer1 [rGB] mode.
100
. Select group no. "
2
data value to "
" to reduce the panel frequency.
4. Project only green light component to the screen.
101
5. Select group no. "
data value to obtain the minimum flicker on the
screen.
6. Project only red light component to the screen.
0
7 . Select item no. "
" and change data value to obtain
the minimum flicker on the screen.
8. Project only blue light component to the screen.
2
9. Select item no. "
and change data value to obtain
the minimum flicker on the screen.
100
10. Select group no. "
0
data value to "
" to reset the panel frequency.
260
0
" , item no. "
" and then
0
1
" to "
" . After the auto-cali-
tP35G
0
" and adjust the
92
" , item no. "
" and change
1
" , item no. "
" and change
92
" , item no. "
" and change
8. 50% White adjustment [Pc]
1. Enter the service mode.
. Receive the 16-step grey scale computer signal with
computer1 [rGB]
. Connect an oscilloscope to test point "
and chassis ground (-).
4. Select group no. "
value to adjust amplitude "
white level
" (+)
9. White Balance adjustment [Pc]
1. Enter the service mode,
. Receive the 16-step gray scale computer signal with
computer1 [rGB]
. Select group no. "
(Blue), and change Data values respectively to make
a proper white balance.
Confirm that the same white balance is obtained in vid-
eo and computer input.
10. 50% White adjustment [Video]
1. Enter the service mode.
. Receive the 16-step grey scale composite video sig-
Video
nal with
. Connect an oscilloscope to test point "
and chassis ground (-).
4. Select group no. "
value to adjust amplitude "
white level
--
mode.
tP35G
100
6
" , item no. "
" and change data
a
2.2 V
" to be
(a)
white level
mode.
100
7
" item no. "
" (Red) or "
mode.
tP35G
100
6
" , item no. "
" and change data
a
2.2V
" to be
.
(a)
white level
" (+)
.
8
"
" (+)
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