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Get a humming noise from radio - Radio Shack "Accurian" Tabletop HD Radio (model 121686)

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Tuning is not optimal or presence of interferences from neighboring appliances (refrigerator, television, power lines, etc.)

Posted on Jan 09, 2014


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Humming in my radio

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Hello. I want to know more first, does it only make noise in motion or all the time?

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People say when i talk they here a hum sometimes ,everything is new but radio,and its in a frieghtliner

I would try an inline noise filter, the hum they are hearing is most likely vehicle electronic interference from alternator, etc. On my older Camaro I had the same hum in stereo and others heard it on CB, I installed noise filter and everything worked great. You can find them at truck stops, CB shops and some auto parts stores, they usually run in the $5-$10 range.

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A humming noise comes on when I turn on my radio, as I accelarate the numming gets louder naot enough to not hear the radio but it's bothering.

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To get the humming noise to stop when listening to your iPod while it's docked, you have to use the projector feature AND keep the backlight on on your iPod. My projector stopped working and I'm trying to figure out how to get it going again (replace the bulb?) so I can stop the humming noise again. The unit is not being made anymore, probably because of this problem.

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Uniden 520xl makes humming noise when mike is keyed

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Humming noise

Usually Humming noises come from frequency interferance.  In this case it is being caused by your input sources.  A smiply solution is to replace the cables and or seperate the source cables away from any electircal cords or sources.

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Humming noise

I am fairly certain that your problem lies in the electrolytic capacitors. This is the most common problem in vintage radios, and causes them to make a humming noise that isn't affected by the volume control.

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Actually the problem was caused by a bad 470uf cap, that was used to filter the powersupply for all the analog amps. Replaced the cap the unit works like new.

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