Motorola CP185 - Troubleshooting Table for Transmitter

Troubleshooting Tables: Troubleshooting Table for Transmitter 8-3
8.3 Troubleshooting Table for Transmitter
Table 8-3. lists the possible causes of, and corrections for, transmitter problems.
Table 8-3. Transmitter Troubleshooting Table
Symptom Possible Causes
Corrective or Test
(Measurements at Room Temperature)
No RF Power Out 1. Tx Power Level or
Frequency
Check Tx power level and frequency programming (from
tuner).
2. No Injection To Power
Amplifier
Send radio to nearest Motorola Service Centre.
3. Antenna Switch/
Connector
No Modulation; Distortion
Modulation
1. Programming Check deviation and compensation settings using the
tuner.
2. Transceiver Board Send radio to nearest Motorola Service Centre.
Bad Microphone Sensitivity 1. Check Deviation and
Compensation
Realign if necessary.
2. Microphone Send radio to nearest Motorola Service Centre.
No/Low Signaling (PL, DPL,
MDC)
1. Programming Check programming.
2. Transceiver Board Send radio to nearest Motorola Service Centre.
Cannot Set Deviation
Balance
Transceiver Board Send radio to nearest Motorola Service Centre.