Question about Uniden Radio Communications
Hi there, dropped scanner. Problem: Turn on and there is sound (also sound when pressing buttons), within 10 seconds there is no sound and no sound when pressing buttons. Scans fine and holds but with no sound. Thank you
You probably broke a solder connection on your volume control or on the main board. Look for the dark ring around a solder joint that has broken loose. A dab of solder will fix the problem.
Posted on Jul 07, 2014
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Posted on Jan 02, 2017
SOURCE: NO SQUELCH
I have a Radio Shack Pro 97 Scanner that I received as a present 1-1/2 years ago. It was working just fine and then suddenly there was no squelch or volume. The keys make noise when pushed, but there is no sound for the squelch or volume. The scanner scans the frequencies but does not stop and play. I went on line and found that other people were having the same problems. I went back to the store that the unit was purchased from and received no help what so ever, they said it’ s off warranty and I was out of luck, nice way to do business??. I think that something that cost as much as this should not be junk after a short period of time. I hope you can help me with this problem I do like radio shack, but I can’t afford to buy items that don’t stand up.
Posted on Aug 28, 2008
It sounds like you have smoked the audio amplifier. It is an 8 pin IC marked "IC2" on the circuit board where it is mounted. You may also be able to see "TBA820M" stamped on the case of the IC itself. Since you said that smoke was visible from the speaker jack, it will likely be obvious which component it is once you open the scanner.
Unfortunately this scanner has no internal or external fuses.
If this does not work, go to www.mods.dk, as they have a downloadable schematic and troubleshooting manual for this model. The site does require a free registration, but does not spam or sell your address. I have downloaded several manuals from them over the years, and all were extremely helpful.
The link to the file you need is
I hope this helps! Good luck!
Posted on Feb 20, 2010
This is usually a sign of weak/worn out batteries. Make sure that your batteries are fresh/fully charged and that the contacts are free of corrosion.
Posted on Jul 28, 2010
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