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King of Rear Clunks
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12,903 Posts
Discussion Starter #1
Well, I spent the day buiding harnesses and double-checking connections for my amp install... When I discover in the end that the amp is BROKEN! :mad:

Put +12v into the turn-on jack, and the main power drops to 3v.

Open the sucker up, and there appears to be a seemingly unrelated, but potentially bad crater in the circuit board.

Obviously, 'Jack' the Chinese prison laborer who signed off on the factory test sheet didn't do a very good job. :banghead:
 

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King of Rear Clunks
Joined
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12,903 Posts
Discussion Starter #2
Well, a little more investigation, testing with a 2nd amp, and a little help from an electronics buddy turned up a bad ground that the amp was sensitive to. It still has the burned crater in the board, but its now playing music.
 
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