no transmit but shows good output
cobra 29 ltd wx classic, good receive no transmit.showes it has good signal but no one hears it
Does it have a meter on it? If yes, does the meter move wen you whistle into the microphone? (that is rude on the air but for lack of test equipment..)
Put a small AM radio right near the antenna and talk into the mike. Usually it will accidentally pick up the voice signal and you should hear it. It may squeal if the radio is loud and the mike picks up your signal.
The only thing with saying the finals have blown is that the original poster indicates the meter is still swinging over on tx but nobody hears him. If the finals had blown, I have never known a CB radio yet that still swings the meter on a key, the needle always stays dead or incredibly low once the outputs are shot. CB RADIO INFORMATION I would be concentrating on the antenna side of the equation, providing you even have one ?
With the speaker side down, set the radio on a flat surface. Remove the microphone plug from the radio. Look at the socket the mike plug came out of. You will see a four pin connection. Look closely at the four pins. One of them has a small bump or notch near it. To the left of that notch is the ground pin. To the right of that notch is the receive pin. Above the ground pin is the mike pin. Above the receive pin is the transmit pin.
With the radio turned on and the mike removed, take a small horseshoe shaped piece of wire and touch one end of it to the ground pin and the other end to the transmit pin. This will key the transmitter. If the needle on the meter does not move, you likely have a blown final. If the needle does move, you have a bad microphone or blown audio output IC.
odds are the mic is fine. Mine is, but has the same problem. In my experience, it's much more likely that the finals have blown and need to be replaced. Any competent CB shop can do this in a matter of minutes. If you are even moderately competent with a soldering iron, you can do it yourself.
Kinda vague here Eric. Can you be more specific? What model of uniden and what manufacturer of antenna?
And, what are you refering to when you broadcast at under 2? Meanwhile, check your mic connection and your antenna connection, also your power to the radio connection. Be sure your antenna cable is not pinched or cut. Is the antenna adjustable?
I have a President Lincoln, 25/10. It’s about 18 years old. It’s the digital model . The radio receives well but will not transmit. When I key up the mic the meter moves up to 3/4 of the meter for half a second , then drops off to 0. Was running a Wilson 5,000 with set SWR’s but I may have had a bad ground sometime back. There was a cut in the coax near the base of the Antenna. Help me please…
Broken coax near the base usually indicates a stress fracture. Likely caused when the cable was bent in cold weather.
Definitely try another antenna before you do an un-needed repair on your radio. If that doesn’t work, try a different microphone. In the event that neither solution works, your radio may need repair. Also, check that SWR.
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