Dc Voltage Confirmation - Panasonic PT-M1083U Service Manual

DC VOLTAGE CONFIRMATION
(KfP-P.C.Boards)
1. EQUIPMENT TO BE USED
Digital voltmeter
Programmable Signal Generator
CONFIRMATION PROCEDURE
1. Tum off the main power switch and power switch on
control panel.
2. Input a monoscope pattern signal (fH:31.5kHz.
fV=60Hz. NTSC) to RGB IN 1.
<K.P.C. Board>
3.
Turn
on the main power switch.
4. Connect a digital voltmeter between each
measurement point as follows.
2.
5. Confirm that the indicated measurement points for the
specificated voltage as
shown
in Table 1.
6. Turn
on the power switch.
7. Connect
a digital voltmeter Irom chassis ground to Pin
5 of connector K25.
8. Confirm that the indicated measurement points for the
spec]flcated voltage as shown in Table 2.
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9. Disconnect a digital
voltmeter.
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10. Connect a digital
voltmeter between each
.
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measurement point
as follows.
11. Confirm that the indicated measurement points
for the
specificated
voltage
as shown in Table 3.
, .:.