Question about American Pro VS1403 Car Audio Amplifier
Im pretty sure it can be repaired but i need help, its a 4 channel amp and the other day one of the channels went out.only three work now.how can i fix the problem?? thanx
I also want to add, I just got a crossfire ct-2200 oldschool amp I bought from E-Bay and the description described it to be as one channel not working but other side plays fine. Well, when I got it took it apart did basic test everthing turned out fine. So I hooked it up turned the power on and one channel was'nt playing. I thought maybe something in the input circuit in the amp, the preamp section maybe an opamp. Anyway it turned out to be the sub frquency switch and the stereo or bridge selector switches had sirty contacts. So I sprayed some contact cleaner in them and then a little WD40 to keep them lubricated for sliding. So maybe that might help you out also. Once again, Good luck and let us know what you find out.
Posted on Jan 28, 2009
Have you moved all of the switches, controls and RCA jacks to make sure that the problem isn't a dirty contact?
Have you tried swapping the RCA signal cable from a working channel to confirm that it's not a signal problem?
Have you swapped a speaker from a working channel to the dead channel to confirm that it's not a speaker problem?
It's unusual that one channel goes dead and the rest work.
Posted on May 20, 2008
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Posted on Jan 02, 2017
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