NV5LT/NV3.5LT TROUBLESHOOTING MANUAL
RESPONDING TO ALARMS
PAGE 4.1.50
VERSION 3.3 2016-03-10
5.
Remove and retain six sets of mounting hardware from the remote interface PWB. Remove the
remote interface PWB from the transmitter.
6.
Locate or obtain a replacement remote interface PWB (Nautel Part # NAPI143/01).
7.
Set jumpers E1 and E2 on the new remote interface PWB to the same positions as the defective
PWB.
8.
As applicable, use an indelible marker to identify the LED and switch labels on the new remote
interface PWB to match the labels on the defective PWB.
9.
Install the new remote interface PWB using retained hardware.
10. Reconnect D-sub connectors W20P2 and W21P2, Cat5E connector W29P2 and all customer
interface wiring to the new remote interface PWB.
11. Return the transmitter to service.
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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