Question about Radio Communications
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Posted on Jan 02, 2017
The best way to set it is to get you a radio check, go to channel 19 and ask someone about three to five miles away to give you a radio check, start with your modulation all the way open and go from there.....hope this was helpful...
Posted on Apr 20, 2010
Not sure which model you have as there are at least 13 cobra 29's. I am using the LTD as an example. You say good mic? Is it made for this model? If it is good then I would have to say the final audio stage is not working. The TA72222AP is the IC that is the final audio amplifier. Check pin 1 of the TA72222AP ic for 12 volts. If 12 volts is present then replace the audio IC TA72222AP. If 12 volts is not present then you have power supply problems that are internal. The conclusion I have made is based on no rx audio, ( could have been the jack at the pa and ext spkr) but you say they don't work either, also no meter movement during modulation check (that does not need a spkr to make the meter move) so yes I'm 99.99% sure its the final audio stage is a bad. If your model is not the LTD then the IC could be different but still the same audio final is bad. Replace the part which should be fairly inexpensive. If it uses a metal heat sink be sure to apply heat sink grease when installing new part.
Posted on Feb 27, 2011
Tips for a great answer:
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