fosgate punch 800a2 trys to power up but fails to do so - diyAudio
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Old 14th October 2012, 11:07 PM   #1
ivkata is offline ivkata  United States
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Default fosgate punch 800a2 trys to power up but fails to do so

so i got 2 blown fosgate punch 800a2 from some dude on craigslist as a trade for good unit .Both boards are marked 2038 .so the one im thinking about repairing tries to start i can see huge current draw on my power supply amp meter then it tries aggain and aggain .I cannot find bad component in the output stage

question 2 ; for the second blown amp I'm testing all outputs on one channel bad .board is mind ,never repaired ,was virgin till today when i broke the warranty seals .what would be a resonable price to offer this for sale
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Old 15th October 2012, 01:38 AM   #2
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Can you post a pic of the one you are wanting to sell?
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Old 15th October 2012, 02:16 AM   #3
ivkata is offline ivkata  United States
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sure

http://www.freeimagehosting.net/91vp1

http://www.freeimagehosting.net/rheui

not my best work of art but nothing tampered with in the amp

Last edited by ivkata; 15th October 2012 at 02:20 AM.
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Old 15th October 2012, 04:23 AM   #4
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I will send you a PM and we can discuss details on selling the amp?
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Old 15th October 2012, 04:43 AM   #5
ivkata is offline ivkata  United States
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replied
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Old 15th October 2012, 10:16 AM   #6
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How much current does it draw when trying to power up?

Have you tried setting the bias pots fully counter-clockwise to see if the current draw decreased?
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Old 15th October 2012, 01:44 PM   #7
ivkata is offline ivkata  United States
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my psu is 30 amps so when it tries to power up it goes to max and the psu protection starts flashing like there is a short
i have not tried to adjust the bias
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