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#1
03-27-2020, 12:49 PM
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Opinions on Zenith Chassis 20X1C36?
How would the 20X1C36 chassis rate in the overall hierarchy of '60s Zenith color chassis as to build, reliability and picture quality? It being understood that Zenith was among the best for quality and durability in general at the time.
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Happy Motoring!! 
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#2
03-27-2020, 04:06 PM
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Quote:
We used to sell Zenith alongside RCA back in the 60s. The Zenith was always more reliable, and far more reliable around 1968 when my dad and older brother used to change flybacks in new RCA TVs. I also recall a UHF tube that wasn't wired into the tuner of a brand new RCA... The engineering was there, but the QC was intermittent. The printed circuits however were never a problem. But, when dad had some interested in a Zenith, he always made sure there were no RCAs running... John Last edited by JohnCT; 03-30-2020 at 06:46 AM.
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#3
03-28-2020, 09:31 AM
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Am interested to know the strengths and weaknesses of this particular chassis within the various Zenith model hierarchy between say 1963 and 1969, we're focused strictly on Zenith. And what do folks consider to be the best Zenith tube chassis for the optimum balance between picture quality and reliability?
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Happy Motoring!!
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#4
03-28-2020, 10:05 AM
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Sue, you're familiar with the issue regarding the horz efficiency coil in that vintage of Zeniths, are you not? IIRC, you made inquiry here several years ago about Zenith pros and cons.
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#5
03-29-2020, 03:52 PM
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I probably did but was wondering about issues with that particular chassis model. However that specific question is now moot as the specific TV under consideration is off the table, having been sold since this was posted. :-(
So in a more general sense does anyone have a particularly favorite Zenith chassis for both pic quality and reliability? Are there any Zenith chassis where part availability could be a critical problem? Good things to know, realistically however perhaps somewhat theoretical, as it's likely we'll be lucky to find any '60s color Zenith in the Early American cabinet style that I'd really like to see in our living room!
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Happy Motoring!!
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#6
03-30-2020, 10:27 PM
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Some regard the 25MC33 as the best performing roundy chassis .
Really all Zeniths in the 60's were about the same. Several chassis had vertical transformer and linearity coil failures and early 60s roundys had the disintegrating convergence yoke plastic issue. Late 60s sets with single knob UHF/VHF tuners could experience gearing issues in the tuner. If you go rectangular some of the late 60s hybrid sets had a Solid State IF system in a big shielded box.... Those tend to have a razor sharp picture when the focus is set right. My 15Y6C15 portable, 20CC50 23" woodgrain metal table set, and my 12B13C52 Boyden console all have remarkably sharp picture...when set up right you'd have a hard time telling the picture from that of a 90s Solid State set.
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Tom C. Zenith: The quality stays in EVEN after the name falls off! What I want. --> http://www.videokarma.org/showpost.p...62&postcount=4
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#7
03-31-2020, 01:22 PM
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I have had a Zenith 25MC33 round set since 2007 and I can say they are very good performers and are as reliable as a tube color TV gets. I have only had to repair mine a few times since I restored it. I do find they benefit from having the setup controls touched up every year or so. I only wish mine were in the compact metal cabinet to make it a little smaller. Roundies take up a lot of space.
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Just look at those channels whiz on by. - Fred Sanford
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#8
03-31-2020, 01:27 PM
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Quote:
__________________
Tom C. Zenith: The quality stays in EVEN after the name falls off! What I want. --> http://www.videokarma.org/showpost.p...62&postcount=4
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