Disco 2 No radio audio

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Jamiegreen

Jamiegreen

Well-Known Member
Posts
628
Location
Wales
Well this morning I had a dead battery, jump started it but noticed later I didn't have any music. The aftermarket alpine radio is working fine, just no sound, not even a hiss. I checked the 2 fuses under the drivers kick panel, and they are fine.. am I missing something? I'm guessing it's the amp that's not working properly.
 
Err.. well I don't have any other radios to try.. or amps. I'll have to see if there is power going to the amp I guess.
 
Eell, I sorta tested some stuff. The radio output power on to the amp is working fine, and so is the constant power to amp. So it's definitely getting power. If I unplug the radjos audio plug, the amp gives a hissing noise, and when I plug the radio back in it goes silent. My guess is dead amp.. i would like to upgrade it but think will just try a scrappy one for now.
Cheers @sierrafery
 
Just out of interest, what's happening on the "System Enable" line out of the head unit? It should be pin 5 on the main plug to the head unit, the plug with the power wiring, not the audio lines.

r990.gif
 
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