Be careful what type of capacitor you use!

[Eric H]

Or you could cause yourself more problems.

I finally got back into finishing up an RCA 8-TK-320 that I started working on about 10 years ago.

The set was working well but there were a dozen or so caps I still hadn't changed, one of them was a large .22 Micamold in a flat rectangular case, it's function is Horiz AFC filter.

I had some misgivings about replacing it with a plain yellow Poly cap, I had a felling RCA must have used an oddball type for a reason.

After finishing up and turning the set on I noticed that the upright lines in the picture were more than a little wavy, I hadn't noticed them being like that before, normally I hate problems like this but since I was leery of that one cap to start with I went back and put the old one in, Viola, problem gone!

Lesson learned, any cap that isn't a plain paper type is probably there for a reason, maybe this really is a Mica cap but it's pretty large at .22 mf.

Now, how does one go about finding out exactly what they have and what to use in it's place, or if it should be left alone?

Sams gives replacement part numbers for Cornell Dublier Aerovox etc, so I suppose if you had a catalog you could look up the specs.