Asteroids Hum Fixed!

DogP

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Hey,

I had a really bad hum on one of my Asteroids cabs... I did a search on here for fixes, but nothing seemed to work. The best fix I came across was jumpering the ground between the A/R I and the Main PCB... that lowered the hum to a reasonable level, but was still quite loud.

So, today I was looking over my other Asteroids cab, and noticed that the speaker was connected to the A/R I differently. Someone had rewired the cab with the bad hum putting the speaker across Speaker 1 output and ground. The quiet one was connected from Speaker 1 to Speaker 2. I actually looked at this before, and wondered why there were two speaker outputs... but I figured they used it in a stereo game somewhere.

Anyway, just wanted to post in case anyone runs into this.

DogP
 
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