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Old 02-09-2011, 04:13 PM
columbia columbia is offline
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Help with a part for CTC7

Hello. This is my first post to this forum, but I've been reading it for some time. I now have my own problem with my CTC-7. I lost color lock and was making adjustments with the chroma reference oscillator transformer (T704). Even though I was using a plastic tool, I managed to crack the core slugs. Does anyone know where I might find a replacement? I've found a 3.58mhz crystal already (hopefully the problem). Any help would be much appreciated and thanks.
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Old 02-09-2011, 04:38 PM
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Larry Melton (oldtvman)
 
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unfortunately coil cores are not available as new products, you only hope is that someone has an extra chassis that they have been using for parts and may be willing to part with one.
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Old 02-09-2011, 04:53 PM
columbia columbia is offline
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Thanks Larry. I appreciate the quick reply.
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Old 02-09-2011, 04:56 PM
columbia columbia is offline
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For what it's worth, it shows a part number of 105215. I found a 105214 at Talon Electronics. I'm wondering if I can extract the core from that and perhaps use it. Any thoughts?
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Old 02-09-2011, 09:22 PM
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I've never seen Talon Electronics before...looks like they may have a lot of older product!
http://www.talonix.com/shop/

Another one to add to the list along with Moyers and Chester!
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Old 02-09-2011, 09:25 PM
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Last edited by andy; 11-18-2021 at 05:16 PM.
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Old 02-09-2011, 11:35 PM
columbia columbia is offline
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Great! I've never tried to replace a core before. It's great to have help from those who've tried it before. I'll get another core and try the replacement. Thanks very much for the help. I guess a replacement is not likely. Again, thanks.
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Old 02-10-2011, 08:09 AM
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Took me 2 weeks to get the chroma alignment satisfactory on my CTC-7, it's a major PITA. If you don't have the procedure on how to do it, the manual is a big help. Do not deviate from the steps it outlines!

http://www.earlytelevision.org/image...ice-manual.pdf
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Old 02-10-2011, 08:42 AM
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Quote:
Originally Posted by columbia View Post
For what it's worth, it shows a part number of 105215. I found a 105214 at Talon Electronics. I'm wondering if I can extract the core from that and perhaps use it. Any thoughts?
I tried finding 105214 on Talon, with no luck - could you post a link to this part? Thinking I might need something similar one day.
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Old 02-10-2011, 10:03 AM
columbia columbia is offline
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Basically go to Talonix.com and type "105214" in the keyword box. I just did it a few minutes ago and it still worked. It should bring up a Workman brand coil. They list theirs as "T151 Chroma/Color Transformer". It's about $5.00, but who knows what kind of stock remains at any given time. Good luck buddy. I have a CTC-5 to restore after I get the "7" back up and may need some "102...." parts some day.
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Old 02-10-2011, 10:45 AM
columbia columbia is offline
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Oops, almost forgot, thanks miniman for the 800 series manual. That will be of tremendous help to me. Thanks again buddy.
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Old 02-10-2011, 04:15 PM
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Don't thank me, thank the ETF.
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Old 02-11-2011, 08:40 PM
columbia columbia is offline
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Will do
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Old 02-11-2011, 10:05 PM
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Quote:
Originally Posted by miniman82 View Post
Took me 2 weeks to get the chroma alignment satisfactory on my CTC-7
So, doing the math (this is kinda like dog years), that means it will take me 2 years to get it right on my CTC-7.

Quote:
Originally Posted by miniman82 View Post
the manual is a big help. Do not deviate from the steps it outlines!

http://www.earlytelevision.org/image...ice-manual.pdf
What a great manual. Thanks for the tip (and thanks, ETF).

Phil Nelson
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