Zenith Chromacolor II (Ch. 19EC45) 19" color tabletop TV repair log

[cj_reha]

I've been looking for a delta gun Chromacolor set for a little while, and one such set ended up following me home! I was out of town for the Thanksgiving holiday visiting family, and decided to visit an antiques store I spotted on the interstate. Fate was on my side, as this set was waiting for me...it was so cheap I just decided to grab it and go.

It's in pretty good cosmetic condition, a bit of wear on the front panel and a power cord that appears to be oozing some sort of green, sticky goo that absolutely does not wash off, but nothing else of note. (What is this goo from? My ~1957 Zenith tube type set's wiring is suffering the same ailment, some sort of chemical produced by decomposing insulation?)

Anyway, I pulled the back off to check the CRT - it tests excellent, and the G2 voltage pots reflect this (a half turn to 3/4 turn from max). So if worst comes to worst, we can at least get a good picture tube from the set.

Unfortunately...it still has all the original white HV safety caps which are known to have a high failure rate, and upon further inspection, one apparently blew open at some point in the past. I'm pretty sure this is the reason the set was retired, it probably scared the hell out of the original owner too. It also appears the vertical output fuse is blown open, which makes me wonder if anything else was taken out as collateral.

At this point, I've decided to put the set back together and shelve it for a rainy day...need to order the replacement caps (22-5001, apparently 0.0018uF at 1.6Kv) as well as go through and make sure none of the major components (horizontal output transistor comes to mind) are shorted. If anyone else has this set and/or its schematics, I'd be infinitely grateful if you could provide the value of that vertical fuse as I was unsuccessful in removing the old fuse from its casing.

More to come soon, hopefully. This set is a bit of a back burner project until I can finish the other sets I've made threads on as well (Zenith tube type tabletop, filthy and beat-up RCA tube portable), but I plan to start work on it as soon as I can.