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Old 27th June 2011, 02:51 AM   #1
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Default Blown Parasound HCA-2205a

I purchased a Parasound HCA 2205a off eBay that was listed as used, in good working condition, but when I plugged it into the outlet, it sparked at the receptacle and inside the chassis. I opened up the chassis and found this:

Now all five channels are in standby mode. I took it to an Authorized Parasound Service center and the tech quoted the fix at $275. He looked at it for about 10min. I figure replacing the cap and fuses would probably fix the problem. What do you guys think?
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Old 27th June 2011, 03:58 AM   #2
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Most likely not the cap. looks like one of the to-92's (transistor) let out a little "magic smoke" . Appears to be an input board failure -causing DC on one of the channels , amp's dc detect puts whole unit into standby.

OS
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Old 27th June 2011, 06:02 AM   #3
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Quote:
Originally Posted by ostripper View Post
Most likely not the cap. looks like one of the to-92's (transistor) let out a little "magic smoke" . Appears to be an input board failure -causing DC on one of the channels , amp's dc detect puts whole unit into standby.

OS
What about the pinsize hole on the side of C91, 22uf 50v cap? If it is the input board, how would I fix it?
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