GV60 TROUBLESHOOTING MANUAL
RESPONDING TO ALARMS
PAGE 4.1.82
VERSION 1.0 2018-01-01
4.
Obtain the replacement power supply (Nautel Part # UG31) and install in the UPS assembly using
the four M4 screws retained in step 3. Apply ac power to the UPS interface only. Use a DMM to
monitor the dc voltage between the +V and -V terminals of the UG31. Adjust the power supply
output voltage potentiometer until the DMM reads 30 V dc.
5.
Install the UPS Interface assembly in the transmitter by reversing the instructions in steps 2 and
step 3.
6.
Enable and turn on ac power to the transmitter.
7.
Return the transmitter to service.
Figure 4.1.33: UPS Interface Assembly
CAUTION!
There are high voltages present. It is recommended to use a shrouded
adjustment tool to avoid shorting the ac voltage to the chassis.
COVER REMOVED
FOR CLARITY
220 V ac
UPS INPUT
(J1)
UG31 POWER
SUPPLY
Содержание GV60
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Страница 463: ...VERSION 1 0 2018 01 01 MD 17 Figure MD 17 NAPA31C Power Amplifier PWB Q1 ...
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