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Old 04-05-2020, 11:38 AM
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CTC-4: Resistance reading for flyback?

Title says it all. I'm starting to look into my CTC-4, after a slight...delay, and I'm wondering if the reason this set go retired was the flyback. The Sams is a bit fuzzy on what they should be,and the RCA stuff doesn't seem to have it either. I know mine isn't open on the primary winding. Beyond that? Dunno.

Also, Sams suggests it's the same flyback as the CTC-5? There any truth to this rumor?
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Old 04-06-2020, 10:53 AM
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If there's no high voltage, first check the hv rectifier tube, 3a3 , or whatever you have in there for starters.
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Old 04-06-2020, 01:48 PM
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1st attachment from Sam's 314 RCA CTC4 second from Sam's 323 (which is a Magnavox rebadged CTC4).

I own 2 CTC4s and 2 CTC5s the two chassis' flys LOOK completely different. It wouldn't be hard to compare the Sam's.
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Last edited by Electronic M; 04-06-2020 at 02:18 PM.
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Old 04-06-2020, 03:11 PM
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Wild speculation: could the CTC-5 Deluxe (not Super) fly be the same as a CTC-4?
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Old 04-06-2020, 03:52 PM
Tom9589 Tom9589 is offline
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Just checked the SAMS at the ETF site. The RCA PN for the CTC-4 is 100409. The RCA PN for both CTC-5s is 102132.
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Old 04-06-2020, 04:52 PM
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Quote:
Originally Posted by timmy View Post
If there's no high voltage, first check the hv rectifier tube, 3a3 , or whatever you have in there for starters.
I'm not at that point yet. I'm buzzing out the xfmr to see if it's even worth diving into the set...
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