Sanyo Think GAIA PLC-WXU700, Руководство по обслуживанию

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Electrical Adjustments
After replacing the Power Board readjust the Output
voltage adjustment as follows.
1. Connect a digital voltmeter to pins 1 (+) and 2 (-)
of
K6A
.
2. Adjust the voltage by using VR601 as following.
AC Input Reading
230V 370V ±2V
Caution:
Be sure to connect the lamp when taking this adjust-
ment.
* This adjustment is not required even if the power
board is replaced because this adjustment is carried
out before parts shipment.
Output Voltage adjustment
1. Enter the service mode.
2. Receive the 16-step grey scale computer signal with
Computer 2 [RGB]
mode.
3. Select group no. “
106
”, item no. “
0
” to ad-
just the voltage of
TP_VMIDG
to be
7.00
±0.01V
.
4. Select group no. “
106
”, item no. “
1
” to adjust
the voltage of
TP35R
to make the amplitude
“
D[Vpp]
” to be
10.00 ±0.05V
.
5. Select group no. “
106
”, item no. “
2
” to adjust
the voltage of
TP35G
to make the amplitude
“
D[Vpp]
” to be
10.00 ±0.05V
.
6. Select group no. “
106
”, item no. “
3
” to adjust
the voltage of
TP35B
to make the amplitude
“
D[Vpp]
” to be
10.00 ±0.05V
.
2 .Reference Voltage Adjustment
㪛㩷㪲㪭㫇㫇㪴
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
4.5 ±0.1V
.
3. Connect a digital voltmeter to test point “
TPFANB
”
(+) and chassis ground (-). Select group no. “
250
”,item
no. “
2
” and change data value to adjust voltage to be
4.5 ±0.1V
.
4. Connect a digital voltmeter to test point “
TPFANC
”
(+) and chassis ground (-). Select group no. “
250
”,item
no. “
4
” and change data value to adjust voltage to be
4.5 ±0.1V
.
5. Connect a digital voltmeter to test point “
TPFANA
”
(+) and chassis ground (-). Select group no. “
250
”,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 group no. “
250
”,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 group no. “
250
”,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 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.
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 accord-
ing to your selection.
3. Panel Type Check and Setting