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Old 14th May 2021, 2:20 pm   #22
dave cox
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Join Date: Jan 2009
Location: Bristol, UK.
Posts: 1,677
Default Re: HP 180A Oscilloscope.

I guess C309 is a ceramic or film HV?
( I don't have a BOM )

Maybe its just burnt from the original soldering ? If it is open circuit I would guess the scope would still work as there are some caps a bit further along to iron things out. If shorted / breaking down it could be a problem. Is it easy to remove? (you can only hope!)

dc
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