I agree...my Blackout had loud humming, recap of the soundboard made it play loud and clear with zero hum.
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3 weeks later
Quoted from MaxAsh:I did all the caps on the main sound board, including the 1uf ones (that's what the kit had). I didn't have any caps for the speech board I don't think. Would that be it maybe? What if I disconnected the ribbon cable from the speech board, could I boot up that way and see if the hum is gone, to try and isolate the problem?
I've adjusted the balance pot before and it didn't change the problem, but I haven't tried the 5-10 times thing. I'll do that. Let me know if I can try isolating the speech board. I don't want to try it if that would be a bad idea.
You can definitely unplug the speech board interconnect cable. There is a jumper setting that may need to be changed also or you may experience no sound at all, maybe not I am unsure.
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