Pioneer PDP-5020FD Service Manual page 172

1
A
Recovery flowchart (1-4)...Changing the VOL OFFSET setting
[From the Main flowchart (1) / Recovery flowchart (1-3)]
RST MASK 20 (Blue 626)
Gradually decrease the VOL OFFSET value until disappear the
discharge (dead cell).
The VOL OFFSET value must be 152 or greater.
B
Current VOL OFFSET < 157?
Display RST MASK 09 (Pink). / [MKR S09]
Set VOL OFFSET to the current setting value minus 106. / [VOF ∗∗∗]
C
Is there erroneous discharge (abnormal lit cell)?
(Check on the PANEL 1-ADJ menu.)
Set VOL OFFSET to the current setting value plus 50. / [VOF ∗∗∗]
D Determine the current VOL OFFSET setting value as the final value.
[To the Main flowchart (1)]
E
F
172
1
2
Yes
No
Yes
No
PDP-5020FD
2
3
Replacement of abnormal circuits or
re-replacement of the panel required
Replacement of abnormal circuits or
re-replacement of the panel required
3
4
4