Fan Control Adjustment - Sanyo PLC-XU116 Service Manual

Electrical Adjustments
1. 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.
2. Panel Type Check
290
Select group no. " ", item no. "
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
290
Select group no. " ", item no. "
value from 10 to 0 or 20 depending on your LCD
Panel type. When the data value reaches 0 or 20,
it returns to 10 quickly. The gamma-characteristics
changes according to your selection.
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.

2. Fan control adjustment

1. Enter the service mode.
2. Connect a digital voltmeter to test point "
and chassis ground (-). Select group no. "
0
no. " " and change data value to adjust voltage to be
5.5 ±0.1V
.
3. Connect a digital voltmeter to test point "
and chassis ground (-). Select item no. "
data value to adjust voltage to be
4. Connect a digital voltmeter to test point "
and chassis ground (-). Select item no. "
data 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. "
data value to adjust voltage to be
7. Connect a digital voltmeter to test point "
and chassis ground (-). Select item no. "
data value to adjust voltage to be
0
". Check the data
1
" and change data
tPFANA
" (+)
250
", item
tPFANA
" (+)
1
" and change
13.5±0.1V
.
tPFANB
" (+)
2
" and change
6.5±0.1V
.
tPFANB
" (+)
3
" and change
13.5±0.1V
.
tPFANc
" (+)
4
" and change
5.0±0.1V
.
tPFANc
" (+)
5
" and change
13.5±0.1V.
-30-
3. reference Voltage Adjustment
1. Enter the service mode.
2. Receive the 16-step grey scale computer signal with
computer 1 [rGB]
mode.
101
3. Select group no." ", item no. "
volatge of tP_VMIdG to make the amplitude
B[Vpp] 7.00 ±0.01V
" "to be
101
4. Select group no. " ", item no. "
the voltage of tP_VreFG to make the amplitude
B[Vpp] 9.5±0.01V
" " to be
12
" to adjust the
14
" to adjust
.
B [Vpp]