GV60 TROUBLESHOOTING MANUAL
RESPONDING TO ALARMS
VERSION 1.0 2018-01-01
PAGE 4.1.81
4.
From the front of the transmitter, pull the power supply modules that are mated with the suspect
power supply interface PWB forward so that they disengage from the PWB.
5.
From the rear of the transmitter, disconnect the mating connectors and wiring from the suspect
power supply interface PWB. Record the placement of all wiring and jumpers to ensure the
replacement PWB connections are identical.
6.
Remove 24 sets of M3 nuts and washers that secure the power supply interface PWB to the
transmitter and pull out the power supply interface PWB.
7.
Obtain a replacement power supply interface PWB (Nautel Part # NAPI150A/01) and install it by
reversing the instructions in
through
.
8.
Re-install the power supply modules.
9.
Enable and turn on ac power to the transmitter.
10. Return the transmitter to service.
UPS Interface Power Supply Replacement
.
1.
Turn off and lock out the transmitter’s main ac power.
2.
Remove the
rear, right-hand top panel, which is secured with 1/4-turn fasteners.
3.
From the rear of the transmitter:
Disconnect the power cable to the UPS Interface assembly by removing the 220 V ac plug
(Nautel Part # JD43) from the UPS Interface assembly at J1.
Remove the six M4 screws that secure the UPS Interface to the transmitter and retain.
Disconnect the wiring from the terminal block on the defective power supply (Nautel part #
UG31), noting connections.
Remove the UPS Interface assembly from the transmitter to gain access to the four M4 screws
that secure power supply from underneath. Remove the four M4 screws and retain.
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Страница 102: ...GV60 TROUBLESHOOTING MANUAL PARTS LISTS PAGE 4 2 12 VERSION 1 0 2018 01 01 ...
Страница 463: ...VERSION 1 0 2018 01 01 MD 17 Figure MD 17 NAPA31C Power Amplifier PWB Q1 ...
Страница 466: ...VERSION 1 0 2018 01 01 MD 20 Figure MD 20 NAI23A RF Drive Splitter Changeover Assembly FRONT BACK ...
Страница 473: ...VERSION 1 0 2018 01 01 MD 27 Figure MD 27 NAL17 4 Input Reject Load Assembly TOP VIEW END VIEW 2 INPUT REJECT PWB A1 ...
Страница 475: ...GV60 TROUBLESHOOTING MANUAL LIST OF TERMS PAGE 4 6 2 VERSION 1 0 2018 01 01 ...
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