#1
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Mil-Spec Roundie...
...I just wondered, did anyone make such a beast ? We've all heard horror stories of the early color sets being troublesome...wonder if anyone made one that was made to "Mil-Spec" w/ a notch or 2 better coponents than what was normally provided.
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Benevolent Despot |
#2
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I've a book that RCA published that talks about tricolor monitors and systems for military use. I'll see what it has to say tonight.
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#3
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I know they had government CRts that were pretty damn decent. Charles put one in a zenith awhile back that had a sweet picture
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Jordan |
#4
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Good question Sandy. There was bound to have been some made.
Hmm...didn't Radar O'Reilly wear "military specs"?
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Let me live in the house beside the road and be a friend to man. |
#5
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LOL..that is funny!
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" All I know, Is That I Know Nothing"..... Mono: Fisher 500 mono rec. w/EVRegency III, Stereo: Technics SP-10 TT, McIntosh MR-55, Pilot SA-232, JBL L-96, Pilot SA-210 pre. In reserve: EV12trxb, EV15trx |
Audiokarma |
#6
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Nah...They weren't those butt-ugly "serial killer" plastic frame things...
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Benevolent Despot |
#7
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>>LOL..that is funny!
__________________ "All I know is that I know nothing">> Wrong war sitcom, that was Shultz on Hogan's Heroes! ; ) |
#8
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Seems the early RCA TM-10 (15") and TM-21 (21") round screen color monitors come as close to over- built military specs. as any roundie. Rack mounted and used in both studio control rooms as well as remote broadcast trucks. both built like a bank vault, and weighed almost as much. 21" pictured here:
http://www.earlytelevision.org/images/RCA-TM21D.jpg Courtesy ETF site from the John Folsom collection. -Steve D.
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Please visit my CT-100, CTC-5, vintage color tv site: http://www.wtv-zone.com/Stevetek/ Last edited by Steve D.; 07-18-2006 at 10:29 PM. |
#9
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Quote:
Double hernia! Charles |
#10
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Wow!
That is one beautiful piece of electronics!
Did the 15" monitors look like that but with smaller CRT? I suspect there must be a few of those lying around. Am I right? I bet if I brought one of those to the ETconvention I could make some friends! LOL Does anybody here have one? I guess not but I would think(hope) so. |
Audiokarma |
#11
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Quote:
Here's the RCA TM-10A 15" color monitor: http://www.nrcdxas.org/articles/tm10a/monitor.jpg -Steve D.
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Please visit my CT-100, CTC-5, vintage color tv site: http://www.wtv-zone.com/Stevetek/ |
#12
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That's really neat!
Will somebody be bringing one of these monitors to the next ETconvention? This 15" is super cool. I like the newer 21" version equally.
It would be real neat to see the scehmatic. Did Sam's have a schematic for those monitors? Anybody know the chassis #'s? I'd like to see what the flyback and it's circuitry looks like! Thanks Last edited by Bobby Brady; 07-20-2006 at 08:19 AM. |
#13
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Quote:
Here's about all you need to know about the RCA TM-10A 15" color monitor. A simple Google search will usually provide the answers. RCA TM-10A Video Monitor: http://www.nrcdxas.org/articles/tm10a/ Ch -Steve D.
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Please visit my CT-100, CTC-5, vintage color tv site: http://www.wtv-zone.com/Stevetek/ Last edited by Steve D.; 07-20-2006 at 10:11 AM. |
#14
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Steve D. is right about the Tm-21. The transformers and chokes are all hermetically sealed and potted. With the exception of the flyback. All power supplys are regulated and if I remember even the filaments receive DC. It used either a 21cyp22 or a 21fjp22 CRT.
I had a mint example of this set, but sold it to Dan Gustafson 15 or so years ago. Darned Heavy ! Each side of the case has 2 large self retracting road case handles on each side. The chassis is composed of sub assemblies mounted on a frame all cabled together via Jones plugs. An easier set to service couldn't be designed. According to my copy of "Closed Circuit Television Systems- Color and Monochrome Fundamentals-Planning -Applications" published by RCA in 1958, and prepaired the Government Service Department , RCA Service Company, RCA sold stock studio equipment without special componentry. All devices shown are stock RCA with the exception of Huston-Fearless camera dollies and mounts. But if the electronics are built as the TM 21 is built, I don't see how it could have been improved upon at that time. A paragraph at ther bottom of the title page states " This research was supported in whole or in part by the United States Air Force under contracts AF 30(635)-7557 and AF 36(600)-3468,Call RM 57-3 , monitored by the Systems Engineering Division, Directorate of Maintainance Engineering , Rome Air Force Depot, Griffiss Air Force Base New York. It appears that a tricolor system was installed at Walter Reed Army Hospital for instructional and training purposes. There are also a couple of photos of monochrome cameras being used to provide support of remote defusing of bombs. I hope this is usefull ! |
#15
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Quote:
rca-tk41(sac).jpg http://www.oldradio.com/archives/har...-tk41(sac).jpg -Steve D.
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Please visit my CT-100, CTC-5, vintage color tv site: http://www.wtv-zone.com/Stevetek/ |
Audiokarma |
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