It is very likely to be a capacitor gone, just like in your previous post
in regards to dead SE board with the stripes, these faults are all down to
the surface mount electrolytic caps, after spending the whole of last
saturday working on a Classic Logic board replacing the caps, C3 I think it
was on the classic and my sound came back, then dowsing the board in PCB
cleaner aerosol I used a hair dryer to dry the board out and it worked
brilliantly, esp. as I don't have a dishwasher :-(

Regards Sean.

Classics seem to be very prone to this defect. It happened two years ago to my Classic bought in 1991, and earlier this year to the Classic II bought in replacement... Not much point I think, in buying another second hand Classic since they probably all share the same built-in obsolescence. I would love to replace the faulty capacitor(s) if only I could identify the faulty one(s). I had expected to find a leaky one or one with a bulging top, but didn't. In an earlier post on this subject someone suggested that the faulty cap would be on the vertical sweep board... This has a dozen can type caps of varying sizes, but how does one find the culprit? Or is it indeed on the (horizontal) logic board, like you suggest?


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