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#16
01-17-2013, 10:57 PM
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Congratulations on a really nice Philco.
It looks like a deluxe chassis: is it the four Video IF chassis for full bandwidth? With a 21" screen and if full bandwidth, it would be a joy to watch. Also, you mentioned you have a TK-31? Is that the RCA TK-31 field I.O. camera? I'd like to know how you are doing with that! 
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#17
01-18-2013, 07:20 PM
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Penthode...The TK-31 is a re-purposed rescue from a flood at my barn years ago. I did intend to do something with it but the flood ended that and I just have it for play now. And the Philco is a 17". Just right.
Old TK-31 photo and details from when I looked that young; http://www.oldradio.com/archives/har...V/tk31-kyw.jpg
__________________
“Once you eliminate the impossible...whatever remains, no matter how improbable, must be the truth." Sherlock Holmes.
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#18
01-19-2013, 07:08 PM
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Congratulations! You are helping to preserve a fine Philco piece in original condition.
TV/AA is about right.
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#19
01-19-2013, 08:10 PM
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Mission completed. It is home at the ballpark far away from the prying eyes of management. Dropped it off in the dark and will examine further on Tuesday. Plugged it in for a quick pickup truck rumble test and it passed with flying colors.
If it was a car it would be called a barn-find. I am more amazed at the response...and happy...to this in our community and all your encouragements. My thanks to you for flinging me deeper and deeper into hoarding. My tv hoarding reality show will debut in the fall shot by myself on my hoarded early 80's vidicon cameras and VCR's. Philco 51-1875 details to follow.
__________________
“Once you eliminate the impossible...whatever remains, no matter how improbable, must be the truth." Sherlock Holmes.
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#20
01-19-2013, 08:55 PM
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Quote:
Quote:
As for the Philco, my mistake. So it uses a 17BP4? And is it the deluxe chassis with the four VIF stages, keyed AGC and DC coupling from the 2nd detector to the CRT?
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#21
01-22-2013, 06:05 PM
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Philco update. Took a look today at 50-T1875. Gave it an Old English wipedown and it looks great. Blew it out with an air can and still need to clean more. The FB looks fine. The 17BP4 is a replacement from Continental Electronics. No date code. The tubes have dates from late 1950 to mid-1964. The changer is missing the cartridge and will wait. I did find a guy in Phila that does great work on changers. Got a Moto badged VM done by him and it is perfect.
Penthode...the TK got a Panasonic 4x3 CCD from about 10 years ago that uses a multi-pin connector for power, has a genlock input and multiple dip switches for AGC, etc. It takes C-mount lenses and I use an old Sony zoom lens or fixed lenses from my 16mm Bolex. I built a platform for the camera with Velcro so I can move the camera around depending on the lens. I use a small proc amp to strip off the color. I'll take some pix and start a new thread for the TK down in broadcast gear.
__________________
“Once you eliminate the impossible...whatever remains, no matter how improbable, must be the truth." Sherlock Holmes. Last edited by Dave A; 01-22-2013 at 06:14 PM.
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#22
01-22-2013, 11:13 PM
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So you mean im not the only one who has about 7 of those 80s video cameras and parts and lenses lying in a closet?
Even have a few of the convertible VCRs as well. May be lookin to unload a couple in the midst of moving, and doing some cleaning.. SR
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