Fan Control Adjustment - Sanyo PLC-WXU30A Service Manual

Electrical Adjustments
z Fan Control adjustment
1. Enter the service mode.
. Connect a digital voltmeter to test point "
and chassis ground (-). Select group no. "
0
no. " " and change data value to adjust voltage to be
5.0 ±0.1V
.
3. Connect a digital voltmeter to test point "
(+) and chassis ground (-). Select group no. "
2
no. " " and change data value to adjust voltage to be
5.0 ±0.1V
.
4. Connect a digital voltmeter to test point "
(+) and chassis ground (-). Select group no. "
4
no. " " and change data value to adjust voltage to be
5.0 ±0.1V
.
5. Connect a digital voltmeter to test point "
and chassis ground (-). Select group no. "
1
no. " " and change data value to adjust voltage to be
13.5 ±0.1V
.
6. Connect a digital voltmeter to test point "
(+) and chassis ground (-). Select group no. "
3
no. " " and change data value to adjust voltage to be
13.5 ±0.1V
.
7. Connect a digital voltmeter to test point "
(+) and chassis ground (-). Select group no. "
5
no. " " and change data value to adjust voltage to be
13.5 ±0.1V
.
x Panel type Check and Setting
* Before setting, you need to check which type of LCD pan-
el 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. "
value 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. "
value from 10 to 0 or 0 depending on your LCD Panel
type. When the data value reaches 0 or 0, it returns
to 10 quickly. The gamma-characteristics changes ac-
cording to your selection.
c Auto Calibration adjustment [PC]
1. Enter the service mode.
tPFANA
" (+)
. Receive the 16-step grey scale computer signal with
250
", item
3. To start the auto-calibration for PC adjustment, select
tPFANB
"
250
",item
Below adjustments are performed when the above auto
calibration is failed.
tPFANC
"
250
",item
Pedestal adjustment [PC]
1. Enter the service mode.
. Receive the 16-step grey scale computer signal with
tPFANA
" (+)
250
",item
3. Connect an oscilloscope to test point "
4. Select group no. "
tPFANB
"
250
",item
5. Connect an oscilloscope to test point "
tPFANC
"
6. Select item no. "
250
",item
7. Connect an oscilloscope to test point "
8. Select item no. "
Gain adjustment [PC]
1. Enter the service mode.
0
". Check the data
. Receive the 16-step grey scale computer signal with
3. Connect an oscilloscope to test point "
4. Select group no. "
1
" and change data
5. Connect an oscilloscope to test point "
6. Select group no. "
7. Connect an oscilloscope to test point "
8. Select group no. "
-8-
Computer2 [RGB]
mode.
260
group no. " ", item no. "
0 1
value from " " to " ". After the auto-calibration com-
pleted, "OK" will appear on the screen.
Computer2 [RGB]
mode.
chassis ground (-).
0
", item no. "
ue to adjust the pedestal level and black level to be the
same level.
chassis ground (-).
1
" and change data value to adjust the
pedestal level and black level to be the same level.
chassis ground (-).
2
" and change data value to adjust the
pedestal level and black level to be the same level.
Computer2 [RGB]
mode.
chassis ground (-).
0
", item no. "
a
tude " " to be minimum by changing the Data value.
chassis ground (-).
0
", item no. "
a
tude " " to be minimum by changing the Data value.
chassis ground (-).
0
", item no. "
a
tude " " to be minimum by changing the Data value.
White Level
(a)
0
" and then change data
tP_G1
" (+) and
0
" and change data val-
tP_R1
" (+) and
tP_B1
" (+) and
tP_G1
" (+) and
3
" and adjust the ampli-
tP_R1
" (+) and
4
" and adjust the ampli-
tP_B1
" (+) and
5
" and adjust the ampli-