Quote:
Originally Posted by charokeeroad
Thanks Tom, I'm guessing that C1A and C1B are in a silver can. Since the cap rating doesn't have a leading decimal point they are Lytics. Same with C2A,B,C. All five should be replace as they all show voltages. They are lytic also, and they are in a silver can to right ? Then C4-C6 Lytics.
C7 through C37 are probably ceramic or mica so those don't necessarily need to be replaced?
Since C38 has a leading decimal point It's not a Lytic. Same with C39. C40 doesn't have a leading decimal point so it would be a Lytic? Same with C41? Each of those shows a voltage rating so they should be replaced?
Thanks again.
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C1 and C2 are multi-section caps and are probably in metal cans.
C39 and C40 are NOT lytics they have too high of part numbers to be. They are likely to be ceramics or micas, and I'd not worry about those* unless after replacing the papers, lytics, bad tubes, and off tolerance resistors there are problems in the stages containing those parts.
*The three digit or less caps are almost always micas or ceramic and you need not worry about them, BUT the four digit and higher MAY be paper types with pico farad value labeling (ie 2200pF -> .0022uF/MFD). You will have to be wary as paper types with 4 digit pF labeling often are packed in mica style cases and are tough to tell apart from micas.