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Optical Adjustments
1. Fan Control adjustment
1. Enter the service mode.
. Connect a digital voltmeter to test point "
chassis ground (-). Select group no. "
change data value to adjust voltage to be
3. Connect a digital voltmeter to test point "
and chassis ground (-). Select item no. "
value to adjust voltage to be
4. Connect a digital voltmeter to test point "
and chassis ground (-). Select item no. "
value to adjust voltage to be
5. Connect a digital voltmeter to test point "
and chassis ground (-). Select item no. "
data value to adjust voltage to be
6. Connect a digital voltmeter to test point "
and chassis ground (-). Select item no. "
value to adjust voltage to be
7. Connect a digital voltmeter to test point "
and chassis ground (-). Select item no. "
value to adjust voltage to be
2. Panel type Check and Setting
* Before setting, you need to check which type of LCD panel is
placed on the projector according to the item "LCD Panel/Prism
Ass'y removal" in the chapter "Optical Parts Disassembly".
1. Enter the service mode.
. Panel Type Check
290
Select group no. "
", item no. "
as follows;
Data value: 0
For L-Type of LCD Panel
Data value: 0
For R-Type of LCD panel
3. Panel Type Setting
290
Select group no. "
", item no. "
ue from 10 to 0 or 0 depending on your LCD Panel type.
When the data value reaches 0 or 0, it returns to 10 quick-
ly. The gamma-characteristics changes according to your
selection.
tPFANA
" (+) and
250
0
", item no. "
" and
5.0 ±0.1V
.
tPFANB
" (+)
2
" and change data
5.0 ±0.1V
.
tPFANC
" (+)
4
" and change data
5.0 ±0.1V
.
tPFANA
" (+)
1
" and change
13.5 ±0.1V
.
tPFANB
" (+)
3
" and change data
13.5 ±0.1V
.
tPFANC
" (+)
5
" and change data
13.5 ±0.1V
.
0
". Check the data value
1
" and change data val-
3. Auto Calibration adjustment [PC]
1. Enter the service mode.
. Receive the 16-step grey scale computer signal with
puter1 [RGB]
mode.
Lamp control Normal mode.
G-sync Off
3. To start the auto-calibration for PC adjustment, select
260
group no. "
", item no. "
0
1
from "
" to "
". After the auto-calibration completed, "OK"
will appear on the screen.
White 100%
Below adjustments are performed when the above auto
calibration is failed.
Pedestal adjustment [PC]
1. Enter the service mode.
. Receive the 16-step grey scale computer signal with
puter1 [RGB]
mode.
3. Connect an oscilloscope to test point "
chassis ground (-).
0
4. Select group no. "
", item no. "
to adjust the pedestal level and black level to be the same
level.
5. Connect an oscilloscope to test point "
chassis ground (-).
1
6. Select item no. "
" and change data value to adjust the
pedestal level and black level to be the same level.
7. Connect an oscilloscope to test point "
chassis ground (-).
2
8. Select item no. "
" and change data value to adjust the
pedestal level and black level to be the same level.
- 4 -
Com-
0
" and then change data value
Black 100%
Com-
tP35G
" (+) and
0
" and change data value
tP35R
" (+) and
tP35B
" (+) and
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