Hitachi 32PD5000 Service Manual page 20

Item Vs and Va VOLTAGE ADJUSTMENT
Applicable Model
Preparation
(1) Keep heat-run for 1 minutes or more.
(2) Connect the DC Voltmeter to the Vs test point
and the GND point (or the Va test point and the
GND point) on the Power Supply Unit.
(3) Receive the all black signal with no setup.
(4) Check the indication of Vs and Va voltages
printed on the label located upper right side on
the Panel Module.
MPF7409
S/N ********* *
MADE IN JAPAN
Power Supply Unit
32PD5000/42PD5000 (PW1)
All models
Y-sus
Procedure
(1) If the difference between the printed voltage of Vs
and the indicated value of Vs Voltmeter is over
0.1V, adjust the Vs ADJ VR located upward on the
Power Supply Unit to make it within 0.1V.
(2) If the difference between the printed voltage of Va
and the indicated value of Va Voltmeter is over
0.2V, adjust the Va ADJ VR located upward on the
Power Supply Unit to make it within 0.2V.
(3) Check and do the procedure (1) again.
<Example of the Voltage Label>
<LOT> **************
Vs= 80.0V
Vw=140.0V
Label
Power
X-sus
Supply
Unit
Panel Module
20
Va=60.0V
Vx=60.0V
(Rear View)
Va ADJ
Va
Vs ADJ
GND
Vs