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Service Adjustment
1. Enter the service mode.
2. Connect a digital voltmeter to test point “TPFANA” (+) and
chassis ground (-). Select group no. “250”, item no. “0” and
change data value to adjust voltage to be 5.0 ±0.1V.
3. Connect a digital voltmeter to test point “TPFANB” (+)
and chassis ground (-). Select item no. “2” and change data
value to adjust voltage to be 5.0 ±0.1V.
4. Connect a digital voltmeter to test point “
TPFANC” (+)
and chassis ground (-). Select item no. “4” and change data
value to adjust voltage to be 5.0 ±0.1V.
5. Connect a digital voltmeter to test point “TPFANA” (+)
and chassis ground (-). Select item no. “1” and change
data value to adjust voltage to be 13.5 ±0.1V.
6. Connect a digital voltmeter to test point “TPFANB” (+)
and chassis ground (-). Select item no. “3” and change data
value to adjust voltage to be 13.5 ±0.1V.
7. Connect a digital voltmeter to test point “TPFANC” (+)
and chassis ground (-). Select item no. “5” and change data
value to adjust voltage to be 13.5 ±0.1V.
1. Fan Control adjustment
* 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.
2. Panel Type Check
Select group no. “290”, item no. “0”. Check the data value
as follows;
Data value: 0 For L-Type of LCD Panel
Data value: 20 For R-Type of LCD panel
3. Panel Type Setting
Select group no. “290”, item no. “1” and change data val-
ue from 10 to 0 or 20 depending on your LCD Panel type.
When the data value reaches 0 or 20, it returns to 10 quick-
ly. The gamma-characteristics changes according to your
selection.
2. Panel Type Check and Setting
1. Enter the service mode.
2. Receive the 16-step grey scale computer signal with Com-
puter1 [RGB] mode.
Lamp control Normal mode.
G-sync Off
3. To start the auto-calibration for PC adjustment, select
group no. “260”, item no. “0” and then change data value
from “0” to “1”. After the auto-calibration completed, "OK"
will appear on the screen.
3. Auto Calibration adjustment [PC]
Pedestal adjustment [PC]
1. Enter the service mode.
2. Receive the 16-step grey scale computer signal with Com-
puter1 [RGB] mode.
3. Connect an oscilloscope to test point “TP35G” (+) and
chassis ground (-).
4. Select group no. “0”, item no. “0” and change data value
to adjust the pedestal level and black level to be the same
level.
5. Connect an oscilloscope to test point “TP35R” (+) and
chassis ground (-).
6. Select item no. “1” and change data value to adjust the
pedestal level and black level to be the same level.
7. Connect an oscilloscope to test point “TP35B” (+) and
chassis ground (-).
8. Select item no. “2” and change data value to adjust the
pedestal level and black level to be the same level.
Pedestal Lebel
Black Lebel
Below adjustments are performed when the above auto
calibration is failed.
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