17
PDM-4220
PDM-4220
Item
Power Unit Vs, Va Adjustment
Applicable Model
All models
Preparation Procedure
(1) Turn on the set and perform
pre-heat run more than 1 min
on burn-in screen.
(1) Turn Vs ADJ to adjust Vs voltage
to be within
±
0.1V of the value
specified in the label on the panel.
Adjust within
±
1V at Vs1
Adjust within
±
0.1V at Vs2
(2) Receive full back pattern signal
(or Video silence signal;
but it will be automatically turned off
after a few seconds by power save function.)
(2) Turn Va ADJ to adjust Va voltage
to be within
±
0.2V of the value specified
in the label on the panel.
Adjust within
±
1V at Va1
Adjust within
±
0.2V at Va2
(3) Connect voltmeter leads to Vs
(or Va) and GND test points of the power unit.
(3)
Label example
<LOT>N6
Vs= 80.0V Va=60.0V
Vw=140.0V Vx=60.0V
Power
Supply
Unit
X-sus
Y-sus
(Rear View)
Panel Module
Label
Reconfirm that Vs voltage remains within
±
0.1V of the specified value.
Readjust if itís outside of the margin.
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MADE IN THAILAND
Содержание PDM-4220
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