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Electrical Adjustments
z
+6V voltage adjustment
Equipment
Connections
Adjustment:
Adjust the voltage of K6D to 6.35± 0.05V DC with the VR652.
x
+25V voltage adjustment
Equipment
Connections
Adjustment:
Adjust the voltage of TP7614 to 25.0± 0.1V DC with the VR in the switching
regulator A902.
Digital voltmeter
+ K6D(2)
- chassis ground
Digital voltmeter
+ TP7614
- chassis ground
c
Fan driving voltage adjustments
Equipment
Set the image to "Service mode."
Adjust each item for below values.
Connection
Group No.
140-
0
TP7611 (Fan-A)
140-
1
TP7611 (Fan-A)
140-
2
TP2661 (Fan-C)
140-
3
TP2661 (Fan-C)
140-
4
TP2671 (Fan-B)
140-
5
TP2671 (Fan-B)
140-
6
TP2631 or R2632 (Fan-D)
140-
7
TP2631 or R2632 (Fan-D)
v
Video center DC adjustments
Equipment
Input mode
Input signal
Set the image to "Service mode."
Adjust each item for below values.
Group No.
Connection
200-
0
TPV2
200-
1
TPV1
-75-
Digital voltmeter.
Adjustment value.
18.0± 0.1V
DC
24.0± 0.1V
DC
9.0± 0.1V
DC
14.0± 0.1V
DC
9.0± 0.1V
DC
14.0± 0.1V
DC
7.0± 0.1V
DC
14.0± 0.1V
DC
Digital voltmeter.
Computer.
16 step gray scale signal.
Adjustment value.
7.5 ± 0.1VDC
6.5 ± 0.1VDC
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