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Old 15th August 2010, 06:13 PM   #1
diyAudio Member
Join Date: Sep 2006
Default JL Audio 500/1

I recieved this amp in for repair.

With just power and ground connected the power light will come on.

Wondering what might cause this?
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Old 15th August 2010, 09:02 PM   #2
diyAudio Member
Join Date: Nov 2003
Location: Louisiana
Do the op-amps have regulated voltage?

Is it producing rail voltage?

Is the signal sense switch set to 'on'?
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