Sanyo PLC-XE33, Service Manual, Page: 30 / 110

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Electrical Adjustments
1. Enter the service mode.
. 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
4.5 ±0.1V
.
. Connect a digital voltmeter to test point “
tPFANA
”
(+) and chassis ground (-). Select item no. “
1
” and
change data value to adjust voltage to be
13.8+0V/-
0.1V
.
4. Connect a digital voltmeter to test point “
tPFANB
”
(+) and chassis ground (-). Select item no. “
2
” and
change data value to adjust voltage to be
4.5 ±0.1V
.
5. Connect a digital voltmeter to test point “
tPFANB
”
(+) and chassis ground (-). Select item no. “
3
” and
change data value to adjust voltage to be
13.8+0V/-
0.1V
.
6. Connect a digital voltmeter to test point “
tPFANc
”
(+) and chassis ground (-). Select item no. “
4
” and
change data value to adjust voltage to be
4.5 ±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
13.8+0V/-
0.15V
.
2. 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.
. 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: 0 For R-Type of LCD panel
. Panel Type Setting
Select group no. “
290
”, item no. “
1
” and change
data 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-characteris-
tics changes according to your selection.
1. Panel type check and Setting
Note:
Be careful to take this adjustment. The value of
gamma adjustment data will be reset and cannot be
restored if you change the mode of LCD panel type.
1. Enter the service mode.
. Receive the 16-step grey scale computer signal with
computer 1 [rGB]
mode.
. Select group no. “
101
”, item no. “
16
” to adjust
the voltage of
tP35G
to make the amplitude
“
B[Vpp]
” to be
10.00 ±0.05V
.
3 .Black level Adjustment
B [Vpp]