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Radio Shack TRC-495 failure

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Mar 4, 2014
I turned on my trusty old trc-495 this morning and it worked fine as it has for many years.Turned it off and went to work.When I came home and turned it back on it powered up but the channel display did not light up and no receive or transmit, shows nothing on the meter.Any idea what might have went wrong? Thanks in advance.


Apr 5, 2003
I don't know anything about that unit, although a dead unit with a blanked display, but all other lights working and maybe a light hiss outside of the speaker sounds like the pll is unlocked. Some radios blank the display under unlocked conditions and don't transmit or receive anything. At full volume, that hiss if you hear it is just the audiio amp. If you have a pa speaker plugged in and set to PA, that works ok, that would pretty much confirm that you're under unlocked conditions.
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