Motorola CDM1550-LS+ - Receiver Troubleshooting Chart (700 Mhz)

3-8 Maintenance
3. 7 Receiver Troubleshooting Chart (700 MHz)
Check cir-
Replace
U3101
if
defective.
Bad
SINAD
No Recovered Audio
Spray or inject 73.35 MHz
intoXTAL
Filter FL3101.
Check circuitry around Y31 01 .
Replace Y3101 if defective.
Check Controller (in the case of no audio).
Or else go to "B"
Replace 03102.
Yes
Troubleshooting Flow Chart for Receiver (700 MHz) (Sheet 1 of 2) )