Run capacitor replacement

[Jon A.]

Originally Posted by wb2mep

Those Zenith Chromacolor II can capacitors (22-7126-01) are available from TEDSS.com. The only place I've been able to find them. It looks like Zenith contracted those out to York air conditioning. TEDSS says they're slightly dented. The two I ordered had tiny dents like there were a bunch stored loose in a big box, not crushed or anything.
http://www.tedss.com/2020038517

Thanks! I ought to get a couple of spares eventually. If my 23GC45 has one - I haven't looked closely yet - that's probably going as well. Right now my Electrohome has a couple of vertical lines on the screen at all times. The Zenith gets one on the right that goes away after a few seconds.

[Electronic M]

Originally Posted by Jon A.

Thanks! I ought to get a couple of spares eventually. If my 23GC45 has one - I haven't looked closely yet - that's probably going as well. Right now my Electrohome has a couple of vertical lines on the screen at all times. The Zenith gets one on the right that goes away after a few seconds.

Those lines are not caused by the VRT resonant cap...All that cap does is regulate the AC output voltage on from the power transformer...The rectifier and filter cans would catch any noise the VRT cap could make.

Vertical lines are usually a horizontal problem, video problem, or bad filtering effecting one of those stages.

[wb2mep]

"Thanks! I ought to get a couple of spares eventually. If my 23GC45 has one - I haven't looked closely yet - that's probably going as well. Right now my Electrohome has a couple of vertical lines on the screen at all times. The Zenith gets one on the right that goes away after a few seconds."
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My 25GC45 has one, yours is the 23" version of the same chassis, so I'm sure yours does too. The value of the capacitor in those ferroresonant transformer is important, so you really need to get the right one.
It's not a standard motor-run capacitor value, the first place I looked for a replacement was electrical and HVAC supply websites. That TEDSS site is the only place I was able to find the correct part.

The cap in my set shorted out without warning after the set was on for a couple of hours. It'll pop the circuit breaker on the back when it shorts.
I replaced it with a cap I had from a parted out set, but who knows how long that one will last.

[Jon A.]

Originally Posted by wb2mep

My 25GC45 has one, yours is the 23" version of the same chassis, so I'm sure yours does too. The value of the capacitor in those ferroresonant transformer is important, so you really need to get the right one.
It's not a standard motor-run capacitor value, the first place I looked for a replacement was electrical and HVAC supply websites. That TEDSS site is the only place I was able to find the correct part.

The cap in my set shorted out without warning after the set was on for a couple of hours. It'll pop the circuit breaker on the back when it shorts.
I replaced it with a cap I had from a parted out set, but who knows how long that one will last.

That's okay, I already got one from Brian, and I reckon NOS units show up on eBay from time to time. If all else fails I'll use the TEDSS site.