Fujitsu Plasmavision PDS4229W-B, Руководство по обслуживанию

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– 20 –
V
S
AND -V
Y
ADJUSTMENT
When the Main Power Supply PCB and PDP panel are replaced, Vs and –Vy must be
adjusted.
Preparation : Heat-run for 5 minutes with a white pattern in the wide mode.
Adjustment : Adjust the Vs and –Vy in the no-signal state.
Check points : Refer to the drawing shown below.
Adjustment points : Refer to the drawing shown below.
Adjustment value : /- 0.1V of voltage indicated on the label of the PDP panel.
NOTE : After the power cord plug was pulled out, do not pull out the connector on the Main Power
PCB until the Green LED (D531: Discharge check LED) turns off.
T2
T3
T4 T5
VR582
Vs ADJ.
VR633
-Vy ADJ.
C N 3 5 2
C N 3 5 1
C N 4 1
C N 4 2
C N 4 9
C N 5 0
L583
C N 4
C N 1 0
1
6
10 1
– MAIN POWER SUPPLY PCB
(M00BV-PCB)
–
D531
DISCHARGE
CHECK LED
Vs check point
CN41
9 pin +
5 pin GND -Vy check point
CN42
3 pin +
5 pin GND