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Sansui G-8000 help!

goodshelac

goodshelac

Member
Good Morning! I need a little help getting my G-8000 to power on. Last night I was adjusting DC offset on the left channel which I did no problem. I went to connect my leads from my DMM to adjust the bias and I must have connected to the wrong test point. When I connected my negative lead there was a spark and the amp went dead. There was also a little smoke coming from under board F-2806. I didn't see a fuse that was blown. Is there a fuse hidden somewhere that may have blown? What would be the most likely culprit here? Thank you!!
 
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My guess you shorted the amp during bias setting and you blew some transistors most probably in the amp board. First, you have to check the output transistors in the blown channel and if they are okay you have to check all of the onboard transistors and also look for any toasted resistors there.
 
sanjib said:
My guess you shorted the amp during bias setting and you blew some transistors most probably in the amp board. First, you have to check the output transistors in the blown channel and if they are okay you have to check all of the onboard transistors and also look for any toasted resistors there.
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Ok, thank you! I'll pull the amp board and start digging. Thanks!
 
Turn the unit off before adjusting anything.

You for sure fried something. Could be a lot of wholesale replacement.
 
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