Sanyo PLC-XF40 Service Manual page 37

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
TP2661 (Fan-C)
140- 2
TP2661 (Fan-C)
140- 3
TP2671 (Fan-B)
140- 4
TP2671 (Fan-B)
140- 5
7. Video center DC 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.
TP2526 (G-DC)
200- 0
TP2516 (R-DC)
200- 1
TP2536 (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
14.0± 0.1VDC
10.1± 0.1VDC
13.0± 0.1VDC
9.5± 0.1VDC
14.0± 0.1VDC
Digital voltmeter.
Computer.
16 step gray scale signal.
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
9. Pedestal level adjustments -PC
Equipment
Input mode
Input 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
TP2516 (Red pedestal level adjustment)
200- 6
TP2536 (Blue pedestal level adjustment)
200- 7
A
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
TP2516 (Red contrast adjustment)
200- 9
TP2536 (Blue contrast adjustment)
200- 10
A
-40-
Oscilloscope.
Computer.
16 step gray scale signal
Pedestal
Level
Black Level
Oscilloscope.
Computer.
16 step gray scale signal
Pedestal
Level
Black Level
C