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  #1  
Old 04-09-2016, 05:37 PM
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Phil Nelson Phil Nelson is offline
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Another KV-4000 owner noticed my article and asked whether I still have any spare switches. Sorry! I have donated the extras that I got from Jim.

But I might as well ask . . .

Has anyone else with a KV-4000 found a source for these switches? They all seem to go bad, so a reliable source would be helpful to know about in future.

Phil Nelson
Phil's Old Radios
http://antiqueradio.org/index.html
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  #2  
Old 04-09-2016, 07:11 PM
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zeno zeno is offline
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Dont remember who but someone had a ton of
TAC switches in there catalog years ago. Try a
search for TAC switch & see whats out there. May
not find the exact ones but maybe something that can be moused.

73 Zeno
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  #3  
Old 04-09-2016, 07:53 PM
WISCOJIM WISCOJIM is offline
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I like the switches that NoPegs found. Looks like they could just be soldered in a bit above the board, and then need no shims. NoPegs - do you have an ID on those?

.
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  #4  
Old 08-27-2017, 05:48 PM
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Popester Popester is offline
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Deja Vu on this thread. Thanks to Phil Nelson and his excellent write up of this switch issue. I bought this set brand new on 1-28-83 for whopping $456 wholesale. Mine was manufactured in June of 1982. I know Sony brought this out in 1980 and at the time was the worlds smallest CRT color television. Here is my record of the repair.
Attached Images
File Type: jpg image.jpg (110.4 KB, 28 views)
__________________
Sony Trinitron is my favorite brand.
My wish list:
Sony KV-7010U
Sony KV-1220U
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  #5  
Old 08-27-2017, 05:52 PM
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Popester Popester is offline
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Taking the six underside screws out reveals this board. But switch board is still a bit underneath. Having problems posting more than one photo at a time.
Attached Images
File Type: jpg image.jpg (83.6 KB, 15 views)
__________________
Sony Trinitron is my favorite brand.
My wish list:
Sony KV-7010U
Sony KV-1220U
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  #6  
Old 08-27-2017, 06:01 PM
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Popester Popester is offline
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Repair went nicely. I must have had same type of switches Phil did as I had to cut two of the ends off and mount it diagonal. Taking out four screws lets this piece remove so you have some additional room to work.
Attached Images
File Type: jpg image.jpg (46.8 KB, 21 views)
__________________
Sony Trinitron is my favorite brand.
My wish list:
Sony KV-7010U
Sony KV-1220U

Last edited by Popester; 08-27-2017 at 06:18 PM.
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