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#1
06-20-2011, 02:07 AM
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What can sub for a 21CXP4 CRT?
One of my favorite monochrome sets has a power off caused burn spot in the center of it's 21CXP4 CRT, and I would like to know which CRTs can sub for it.
Thanks. Tom C. 
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#2
06-20-2011, 12:55 PM
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Quote:
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#3
06-20-2011, 01:19 PM
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Wow. I'm impressed that you knew it was a Zenith.
 Thanks for the info.Tom C.
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#4
06-20-2011, 02:04 PM
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Quote:
http://antiquetvguy.com/Web%20Pages/...or%20Sale.html
__________________
Vacuum tubes are used in Wisconsin to help heat your house. New Web Site under developement ME http://AntiqueTvGuy.com
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#6
06-20-2011, 07:45 PM
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Actually I was thinking of getting one from Bob if he had one(I now know he does), but it might end up eating my repcacement capacitor budget.
But I suppose I can get caps any time, and NOS CRTs don't appear that often(especially localy). So why not invest in a good picture. After all this kind opratunity doesn't come allong often. Besides I already have more in that Zenith than I'll ever get out, and I don't think I could be pursuaided to sell it anyway. I'm presently surveying which CRTs my color sets use(those see far more use than my monochrome sets) so I can try to get a one-spare-fits-all for them. I'll be posting a thread on this soon. Tom C.
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#7
06-20-2011, 09:50 PM
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Is there an easy way to install a spot killer circuit to prevent a recurrence of this problem?
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#8
06-20-2011, 10:47 PM
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I believe that I have an old electornics magizene that has an article on how to preform such modifications squirreled away somewhere, but I'll wait till I have a new CRT on hand before I try to locate it. I might try to add a DC restorer mod while I'm at it.
 Tom C.
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Linear Mode
