Troubleshooting Flow Tx Rf (Not Txing At Nominal Power) - Motorola Radius CM200 Service Manual
Vhf mobile radio commercial series
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Also See for Radius CM200:
- Basic service manual (70 pages) ,
- Installation manual (36 pages) ,
- Service manual (352 pages)
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3-6
TROUBLESHOOTING CHARTS
Troubleshooting Flow TX RF (Not Txing at Nominal power
2.2
)
START
Key the radio
Measure TP103
No
Yes
Is TP102
Tune the PA_BIAS
Measure the resistance
< 1.8 V dc?
from R131 to ground
Yes
No
Is R131
Tune the K and M factors
Repalace PA (Q100)
< 1K Ohm
using the Tuner tool
?
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