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diyAudio Member
Join Date: Jan 2010
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im working on a friends 9090. (2 )output transistors were shorted.i replaced them and then had 1 channel clean and 1 distorted one.i found a 2sb536 on the preamp board shorted and also 2 resistors on the same board.i replaced all of them. now im blowing fuses every time i turn the receiver on.if i pull the preamp board i do not blow fuses.i checked all the transistors and resistors and caps on the preamp boards bad side. i see no shorts??.also when i compare resistance readings from the parts on the good side, to the bad side,they read the same? no shorts. why do you think im blowing fuses? what should i check?
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