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Assuming you don't have the manual,basic controls for receive are to make sure the switch next to the meter is set to s/rf,switch for cb/pa is set cb,knob for rf gain is at max, squelch knob is fully counterclockwise..squelch can be adjusted if ya don't want to hear static but will start cutting out weaker signals.If none of the above works,try plugging in an external speaker to the jack on the back of the radio,if ya still don't hear anything,check that antenna coax is screwed in tightly in back of the radio.Next step after all that would be the microphone,is the stock mic,power mic..if it is the original stock mic that has not been rewired in any,then I would suggest taking radio to qualified cb repair shop,bring mic with you to shop so they can check it too,in fact I would bring the truck also so they can check antenna and adjust it if needed...Good luck
Turn the squelch down, and the RF gain all the way up.
You need to realize that some times, there is not a lot of noise out there. Right now lately there has been due to skip. But it does die down. When you hear a lot of noise for a while, then it goes away, it messes with your head. You don't hear anything, but that's because its quite out. I would test it by talking to some one on the radio. If you can hear them just fine even though you don't hear a lot of static, then its just quiet out.
same thing sometimes happens to me. Usually it is because the person who is talking to you might have a weaker antenna. Sometimes people put a very strong transmitter with them and talk to people but you cant talk back.
So really they can't hear you good either. Just because you are too far away.
Hi,my name is John. Welcome to FixYa. Do you hear voice in radio? May be to close to each other. Let me know how it goes. Good luck and thanks for Choosing FixYa ..John sounds like feed back from speaker.
HI, my name is John. Try putting the RF GAIN to MAX,also the squelch, check the antenna connections, have someone check your SWR, they can do it at Radio Shack for free, or a CB shack. If that does not help, let me know and we will go further with it....hope this was helpful...oh, and turn on the NB or the NBL switch..
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.