Derek92994's 700 Ser II White Oak conversion

Skratch

Skratch

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Is C2 capacitor on the B- supply? I don't have a schematic of that rev backplane but on a 400 C2 is on the B- rail
 
derek92994

derek92994

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Will bring it up on variac and dcp one more time to be sure. Then set bias and hook up to spare speakers, will let it idle.
 
derek92994

derek92994

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Do you think that capacitor was the problem from the start? Responsible for blowing the 2 outputs on those 2 separate occasions?
 
laatsch55

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The original "pop" and smell may have been it Darc. Had one do that to me but didn't blow an output, just the fuse, so...I really don't know...
 
derek92994

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Dc offset 0.4mv left and 1.0mv right

what is the low level ac? Main caps are at 101v dc
 
derek92994

derek92994

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On the driver board, why is Q6R running at 130F and Q6L running at 100F? All the other temperatures are consistent.
 
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