TK-790 loss of audio.

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andrew7695
Posts: 2
Joined: Fri Apr 04, 2014 3:58 pm

TK-790 loss of audio.

Post by andrew7695 » Fri Apr 04, 2014 4:05 pm

Yesterday my TK-790 suddenly stopped giving me audio output, The radio is configured for both an external speaker and a PA speaker, both of which are no longer working. At the time i was connecting the wires of the PA output to a small 20W audio amplifier and couldn't figure out why i wasn't getting any output. I disconnected everything and checked the audio and nothing, The radio did have audio beforehand. Is it safe to assume i fried the Audio amp or is there something stupid i'm looking right over?

andrew7695
Posts: 2
Joined: Fri Apr 04, 2014 3:58 pm

Re: TK-790 loss of audio.

Post by andrew7695 » Sat Apr 26, 2014 2:16 am

Bump

n5tbu
Posts: 409
Joined: Fri Aug 30, 2002 7:20 am
Location: Opelousas,La.

Re: TK-790 loss of audio.

Post by n5tbu » Mon Aug 04, 2014 7:08 am

Why would you hook the PA to an amplifier??(it is already amplified)
You have blown your amp,it has a floating output and you cannot ground speaker low.

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