Sanyo PLC-XF30 Service Manual page 32

6. Fan driving voltage adjustments
Equipment Digital voltmeter.
Set the image to "Service mode."
Adjust each item for below values with the Volume + and - buttons.
Connection
Group No.
TP7611 (Fan-A)
140- 0
TP7611 (Fan-A)
140- 1
TP2641 (Fan-C)
140- 2
TP2641 (Fan-C)
140- 3
TP7613 (Fan-B)
140- 4
TP7613 (Fan-B)
140- 5
7. Video center DC adjustments
Equipment Digital voltmeter.
Input mode Computer.
Input signal 16 step gray scale signal.
Set the image to "Service mode."
Adjust each item for below values with the Volume + and - buttons.
Connection
Group No.
TP2526 (G-DC)
200- 0
TP2536 (R-DC)
200- 1
TP2516 (B-DC)
200- 2
8. PSIG signal adjustments
Equipment
Input mode
Input signal
Set the image to "Service mode."
Adjust each item for below values with the Volume + and - buttons.
Connection
Group No.
Adjustment part
200- 3 TP2561
Amplitude-A in a figure
200- 4 TP2571
Amplitude-A in a figure
A
Adjustment or adjustment value.
9.0± 0.1VDC
13.5± 0.1VDC
9.0± 0.1VDC
13.5± 0.1VDC
9.0± 0.1VDC
13.5± 0.1VDC
Adjustment or adjustment value.
7.4 ± 0.1VDC
7.4 ± 0.1VDC
7.4 ± 0.1VDC
Oscilloscope.
Computer.
16 step gray scale signal
.
Adjustment or adjustment value.
. 10.0 ± 0.1Vp-p
3.8 ± 0.1Vp-p
-40-
9. Pedestal level adjustments -PC
Equipment Oscilloscope.
Input mode Computer.
Input signal 16 step gray scale signal
Set the image to "Service mode."
Adjust the pedestal level and black level in same level with the Volume + and - but-
tons.
However, the amplitude-A in a figure must not shrink.
Group No. Connection
TP2526 (Green pedestal level adjustment)
200- 5
TP2536 (Red pedestal level adjustment)
200- 6
TP2516 (Blue pedestal level adjustment)
200- 7
A
Black Level
10. Contrast adjustments-PC
Equipment
Input mode
Input signal
Set the image to "Service mode."
Adjust each test point value part-A in a figure minimum amplitude with the Volume
+ and - buttons.
Group No. Connection
TP2526 (Green contrast adjustment)
200- 8
TP2536 (Red contrast adjustment)
200- 9
TP2516 (Blue contrast adjustment)
200- 10
A
Black Level
Pedestal
Level
Oscilloscope.
Computer.
16 step gray scale signal
Pedestal
Level