Pioneer KURO PDP-LX508D, Service Manual

Page: 132 / 175

PDP-LX5080D
132
1 2 3 4
1 2 3 4
C
D
F
A
B
E
Recovery flowchart (2-2)...Changing the VOL YNOF3/4/1 setting voltage
Determine the current setting value for VOL YNOFS3 as the final value.
Determine the current setting value for VOL YNOFS4 as the final value.
Set VOL YNOFS3 to the current setting value minus 23. / [VY3
∗∗∗
]
Set VOL YNOFS4 to the current setting value minus 23. / [VY4
∗∗∗
]
Set VOL YNOFS3 to the current setting value plus 4. / [VY3
∗∗∗
]
Set VOL YNOFS1 to the current setting value. / [VY1
∗∗∗
]
Set VOL YNOFS4 to the current setting value plus 4. / [VY4
∗∗∗
]
[To the Recovery flowchart (2-1)]
B
[Adjustment completed]
Set VOL YNOFS1 to the final setting value of VOL YNOFS3 minus 31.
/ [VY1
∗∗∗
]
Determine the current VOL YNOFS1 setting value as the final value.
VOL YNOFS3 final setting value
Note:
Make a note of this V OL Y N OFS3 value.
[From the Main flowchart (2) / Recovery flowchart (2-1)]
Replacement of abnormal circuits or
re-replacement of the panel re
q uired
N o
Yes
Yes
Current VOL YNOFS3 setting value > 137?
N o
Is there erroneous discharge (abnormal dead cell)?
RST MASK 15 (Red 1023+)