Question about Radio Shack Pro-94 Scanner

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No sound from speaker but the unit is scanning.

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Try plugging in a headphone and see if that allows you to hear it play, or hear rushing noise (squelch open). If it does, then you know the scanner is working, and the only problem is the earphone jack, or the speaker and/or wires to it. Try removing the headphone again (try several times) to see if the only problem was dirty terminals inside the jack that disconnects the speaker when the headphone is connected. I have found several portable electronics that this was the only problem. At least it costs nothing to see if it helps!

Posted on May 06, 2010

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Posted on Jan 02, 2017

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I have had the same problem with my altec lansing speakers on my desktopat home. a freind of mine who is thankfully way more tech savvy told methat is was most likely the driver, or that i had a registry error andthe sound card wasnt communicating with the speakers properly.

he told me to run a driver scan to make sure they were all in place.

this help link should fix your problem

I have had the same problem with my speakers on my desktopat home. a freind of mine who is thankfully way more tech savvy told methat is was most likely the driver, or that i had a registry error andthe sound card wasnt communicating with the speakers properly.

he told me to run a driver scan to make sure they were all in place.

this help link should fix your problem

http://www.windowsfilehelp.com/solution.php?sc=fy&kw=speakers&key=speaker+sound+not+working

good luck!


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I Had That Happen To Me Its A Ground Problem. Check The Negtive Speaker Terminal And The Ground Wire Runing To The HeadUnit This Should Fix It.

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