NV5LT/NV3.5LT TROUBLESHOOTING MANUAL
RESPONDING TO ALARMS
VERSION 3.3 2016-03-10
PAGE 4.1.61
4.
From the front of the transmitter, remove the two M5 screws that secure the exciter module to the
transmitter and pull out the exciter module. If you are replacing the exciter module’s exciter/control
PWB (A1), see
“Exciter/Control PWB Replacement - Exciter” on page 4.1.62
.
5.
Obtain a replacement exciter module (Nautel Part # NAE107 or newer) and install it by reversing
the instructions in
.
6.
Install the transmitter’s front filter panel and upper, rear
panel.
7.
If it was necessary to turn RF off and disable ac power in
, enable and turn on ac power to
the transmitter.
8.
Restore the transmitter to the desired operational state. If the replacement exciter is intended to be
the main RF drive source, use the
Changeover
menu to establish the main/active exciter. Restore
the automatic changeover setting, if applicable.
Summary of Contents for NV3.5LT
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Page 8: ...NV5LT NV3 5LT TROUBLESHOOTING MANUAL PAGE 4 VIII VERSION 3 3 2016 03 10 ...
Page 294: ...VERSION 3 3 2016 03 10 SD 32 Figure SD 32 NAFP109B Output Power Probe and Sample PWBs ...
Page 307: ...VERSION 3 3 2016 03 10 MD 8 Figure MD 8 NAPA31C Power Amplifier PWB Q1 ...
Page 322: ...NV5LT NV3 5LT TROUBLESHOOTING MANUAL LIST OF TERMS PAGE 4 6 2 VERSION 3 3 2016 03 10 ...
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