Pioneer PDP-5000EX Service Manual page 108

1
3 Actual Vofs adjustment (2)
A
(Check VOL OFFSET_min3.)
Perform aging for 3 seconds with
RST MASK 01 (white) displayed.
Set to RST MASK 13 (violet).
Set VOL OFFSET to 021 (15 V).
B
Any abnormal bright cells?
Increase Vofs data one volt by one volt
until abnormal lit cells disappears.
(VOL OFFSET must be 181 [46 V] or less.)
VOL OFFSET_min2
C
Return the Vofs value to the tentative
voltage setting.
Set the highest voltage among
D
VOL OFFSET_min1 to _min3
as VOL OFFSET_min.
E
F
108
1
2
(From 2 )
MKS S51
MKS S63
VOF 021
Yes
VOF ∗∗∗
136(37[V]) ?
Yes
VOF ∗∗∗
VOF ∗∗∗
(To 4 )
2
3
No
Set VOL OFFSET_min3 to 021 (15 V).
Note:
This setting value becomes the value
for VOL OFFSET_min3.
Re-replacement
No
of the panel required
or abnormality in
circuits
Note:
To correctly check the lower limit of Vofs, the tentative Vofs
voltage must be set to the set voltage as shown on the panel label.
PDP-5000EX
3
4
VOF 021
VOL OFFSET_min3
VOL OFFSET_min
4