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Old 09-15-2017, 03:55 AM   #71
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Join Date: May 2012
City & State: mackay
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Default Re: Pioneer VSX-520-K Protection problem

Im having trouble thinking of a definite reason. Somehow, current seems to be flowing from a negative rail to the emitters of Q443 and Q444 via some abnormal path. There might be a solder bridge somewhere or Q444 might be faulty.
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