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Old 30th July 2011, 12:50 AM   #1
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Default Rockford Fosgate 800a2

I got another 1 of theese in for repair.. This board is the REV E


As soon as i connect a speaker to the left channel the amp draws 20 amps of cirrent..

Any ideas??
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Old 30th July 2011, 01:14 AM   #2
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Is the bias all the way up? That might do it.
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Old 30th July 2011, 01:22 AM   #3
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Bias pot is fully counter-clockwise
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Old 30th July 2011, 01:48 AM   #4
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Quote:
Originally Posted by mike49504 View Post
Bias pot is fully counter-clockwise
That not good back it down and talk to perry on the howto set the bias.
And go here http://194.204.29.93/rockford/techli...ips/G800.2.pdf

Last edited by Brain Fried; 30th July 2011 at 01:57 AM.
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Old 30th July 2011, 01:56 AM   #5
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I know how to set the bias in theese,, Its fully counter clockwise (all the way down) and it still does it thats why im asking what should i look for,
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Old 30th July 2011, 02:43 AM   #6
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Quote:
Originally Posted by mike49504 View Post
I know how to set the bias in theese,, Its fully counter clockwise (all the way down) and it still does it thats why im asking what should i look for,
I posted i link for you for protection drawing for 800a2

http://194.204.29.93/rockford/techli...ips/G800.2.pdf
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Old 30th July 2011, 04:34 AM   #7
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Is there DC voltage on the speaker terminals of the left channel?
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Old 30th July 2011, 05:30 AM   #8
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Yes 28 volts is on the output for the left channel but outputs test good
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Old 30th July 2011, 05:32 AM   #9
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That's why it's drawing 20 amps when you connect the speaker.

What have you done to the amp up to this point?
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Old 30th July 2011, 05:36 AM   #10
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Replaced D3 (1n4003) and fixed the broken trace that goes to the diode is all ive done..
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