The inevitable callback on RCA 17PT8072

[DavGoodlin]

I got this KCS109 set years ago for $10 and never had (still don't have) the Schematic If you have it, please PM me. I need to do it right this time.

Nov 16 2012 051.JPGNov 16 2012 052.JPG

I even have two Sams 392 and THIS folder is missing from both!!!
It must be RCA's only late 50s set with series filaments and doubler power supply with two seleniums.

A friend of mine turned a small room into a bar and I told him I had the perfect TV It worked OK for 3 years but is now showing the signs that I did not finish the job, barely starting it. The electrolytics must be replaced. The major symptom is the poor AGC and sync as it plays longer.

Since I had no schemo, I bluffed it by testing all with my EICO 950 and replacing only the obviously bad caps. Someone had repaired the power supply, changing the 3-section cap and subbing in silicon rectifiers, I had to trust and could not check this for OEM parts accuracy. The set did work, kind of, so I left it alone and just worked on the PC board, eliminating the bumblebees. I need the schematic to do the rest. It should be a hit this Christmas because it embarrassed me last year, rolling and tearing.