Motorola APX 6000 - Page 161

Troubleshooting Charts: PA Failure 5-55
5.23 PA Failure – Main
Yes
No
Yes (not valid for VHF)
No
No or Low Power
7/800 PA
If PA proves to be
fine contiue onward
Is coax cable
OK?
Is RX sensitivity
OK?
4
3
No, check the coaxial
antenna cable for
continuity and proper
engagement
Replace
coaxial cable.
Measure Power at
several VHF, 7/800, UHF1,
or UHF2 test frequencies
depending on radio
1
UHF1 PA
7
VHF PA
2
UHF2 PA
9