Sanyo PLC-XU106, Service Manual

Page: 29 / 110

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Electrical Adjustments
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
5.5 ±0.1V
.
3. 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
.
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
6.5±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
13.5±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
5.0±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.
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.
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
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.
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.
2. Receive the 16-step grey scale computer signal with
Computer 1 [RGB]
mode.
3. Select group no."
101
”, item no. “
12
” to adjust the
volatge of TP_VMIDG to make the amplitude
“
B[Vpp]
”to be
7.00 ±0.01V
3. Select group no. “
101
”, item no. “
14
” to adjust
the voltage of TP_VREFG to make the amplitude
“
B[Vpp]
” to be
9.5±0.01V
.
3. Reference Voltage Adjustment
B [Vpp]