Question about Uniden PC78ELITE 40-Channels Base CB Radio
I just recently found out I can't hear any RX transmissions through my Uniden PC78ELITE internal speaker or my external speaker. Everybody at work can hear me talk and my needle moves when they talk I just can't hear them. I am at a loss. All connections seem to be tight but I wanted to know if it is something inside. I sodered my external speaker wires and replaced the mini jack hoping that was the problem but that didn't work either. Thank you for your time and I hope you can help
Can you hear static when the squelch is at minimum ?. If you can hear static then tere is nothing wrong with the audio system. If you are sure about the squelch, connect goosd speaker directly to the 2 wires coming from the main board bypassing the speker jack. if there is still no sound then the audio amp chip is defective. The audio amp can only be damaged if the output is shorted for a long period of time.
Posted on May 22, 2007
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Posted on Jan 02, 2017
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