NX50 Troubleshooting Manual
Responding to alarms
Issue 6.0 2019-04-01
Page 1-65
installed on the transmitter. See the
NX50 Operations and Maintenance Manual
for
detailed instructions.
11. Re-enter all the AUI information recorded in
.
12. Set the time using the front panel AUI’s
Factory Settings - Time Setup
page.
13. Measure the VSWR threshold voltage on the control/interface PWB at R73-LHS.
Adjust
VSWR THRESHOLD
potentiometer R78 until the multimeter reading is 1.5 Vdc.
14. Set the transmitter to an RF ON state. Ensure any previous present alarms have
cleared.
Figure 1.9: NX50 Control/Exciter Panel
A1
A4
A2
A3
A7
Control/
Interface PWB
Remote
Interface PWB
Exgine PWB
(optional)
A5
GPS Sync PWB
(optional)
USB Audio
Interface PWB
(optional)
A6
Digital AM
Exciter PWB (A)
Digital AM
Exciter PWB (B)
Содержание NX50
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