Motorola MOTOTRBO XPR 7550e - Troubleshooting Flow Chart for Receiver (Sheet 1 of 3)

Troubleshooting Charts 5-13
Figure 5-13.Troubleshooting Flow Chart for Receiver (Sheet 1 of 3)
1) Bad SINAD (> - 116dB)
2) No receive signal
3) No audio
Set input signal level @
-116dBm
START
Check whether radio
receiving
Rx LED Blinking ? Check Controller
Yes
No
Check LO signal at
C0208
LO Locked ?
Check FGU
No
Yes
A