I dream of owning an antique beauty. Literally have dreams. But as you have said in other videos, someone who doesn't have the knowhow and the tools to take care of it shouldn't have one.
Before watching shangos videos I never knew if I had to roto-turbulate or to roto-twinculate, but now thanks to shango I know exactly what to do!! Thanks shango!!
The warning sticker for those metal crt's: "Fingerprints or dust on the insulating coating may cause electrical breakdown during humid weather." I guess they were right :3 Please save the crt, there aren't many of those left...
I really love the ressurection videos! In fact Shango‘s videos made me get an old Philips black&white all tube tv here in Germany which was in pristine condition and just needed a new booster cap.., they don‘t make ‘em like this anymore ;-)
I know nothing about TV repair but have watched numerous videos you have made. Started watching when you repaired a Predica TV and find them interesting to watch. Your detail of explaining what you are doing as well as great camera work makes for an interesting video! Thanks for sharing!
I've seen a few Hoffman TV's, but never worked on one. Interesting that they were built in L.A., used to be a massive amount of electronic industries there, sad all of it's gone. Really cool old set!
Black and white? This RU-vid nostalgiafest gets self-defeating at times. There's a reason TVs could be made like this then and couldn't be now. This was the technological limit of what could be produced in bulk at the time. Maybe there were colour sets, or high def sets, in labs- but no-one would have been able to afford these sets in the real world or find anything apart from black and white NTSC programming to watch on them. The alternative to owning a TV like this was... no TV. Now we've got easily available technology to produce much more advanced and versatile TVs. Why would anyone want this type of TV back?
Nobody would buy them. Too expensive, too bulky, etc. Can't compete with a 65" 4k display for $500. This thing would be what 2 or 3 thousand minimum in a cheap particle board case.
I really enjoy looking at the vintage TVs you get ahold of, unfortunately I don't have a clue when it comes to electronics, but I'm learning.thru your videos. THNX.
2020 TV set made in 1948 rounded screen. Wonderful when tou restore it all wooden cabinet and electric parts. Greetings from Santiago, Chile SouthAmerica.
Great restoration on an impressive TV......in 1948, most sets were 10" picture. Watching the debate on this TV was even more entertaining with your comments! BTW, Hoffman was based in your home town!
@@mrnmrn1 Wonder if Bandersentv could have it shipped by UShip. Recently Shango066 just shipped a TV to Minnesota using the service. Still it'd be nice to see this unit fully restored. It does have a good CRT and all. Here's a link to Shango's video using Uship ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-hKtqXxolXnM.html
Wow, that pic looks quite amazing! Can't tell how bright it is on this end, but it looks sharp for being a marginal crt. Great resurrection! Hope you find a good home for it. Hate to see it end up in the trash.
I hope you find a home for the TV.. If I lived in America id snatch it up in a heartbeat. I live in New Zealand, we didn't get TV till the early 60's.. so we missed out on the 'roundie' era.. its great to see such old TVs breathe again
Another commenter already mentioned it, but I'll confirm: the green glow in the CRT is used to set the ion trap up correctly. The green glow should vanish or be very dim.
Bloody hell, that thing really is an asbestos disaster. Never seen such bad asbestos fallout. Normally those heat shields don't cause much of a problem.
If only California was closer to Illinois, I would adopt that set and give it a good restoration. I am amazed by that set and how beautiful it once was with all that brass.
Thanks, Shango 066. Nice video! I have a couple rolls of lead tape. My late father had them. We used asbestos paper on flue pipes. And I have a hair dryer with asbestos in it. I used it a few times before the recall. I didn't return it. I wish I had your knowledge. If only I could get a job testing tubes. I think it would be interesting. For awhile, anyway.
I'm glad this 78 year old tv and radio still works great even after 1948 and it will look good if your restoring a home form the 40s even when your making a movie set in the 40s retro fitting :)
13:40 - old turret tuner. These were widely used in early sets and could later be upgraded to receive UHF channels with interchangeable coil sets (2 per channel). Very handy design that was dropped by the 60s.
FYI, 8016 is an industrial number for 1B3GT. I believe you’ll see it on the schematic. It could be mistaken as a date code for 1980, 16th week, but it’s not a date code.
So amazing! You make those electrons dance to your tune! So many bad caps in that thing, yet with minimal component change (4?) you made it play, and play well. Much knowledge, you have. I can't describe, let alone do myself, the wizardry you perform, and make it look easy.
Great video. It flowed nicely. It takes talent to repair & video at the same time. LOL. I would give it more than one thumbs up if I could. Been watching your videos for years. Love the resurrection videos.
I personally love watching tube testing. Kinda neat to see them come up and come back to life after going so long after being unused. Wish you would hit more CRTs with the "Restore rejuvinate" placebo button! Merry Christmas and happy New years shango, love your videos and hope to see more!
@@5roundsrapid263 What he really needs is a tester with a very high load so the bad tubes will red plate or internally collapse in a shower of sparks inside!
hello shango and everyone else.... this was fun, the dems like icing on the cake.... my last analog live viewing off a roof antenna with a restored 10" set was the Obama - McCain debate... soon after you needed a converter box.... I now use a VHS player, still no converter box to digital...... and yes, I do enjoy being stuck in 1950 technology..... thanks for the posting... ur a good host
63-37 is the good stuff. 60-40 was the alloy they used before they knew a lot about metallurgy. Then they discovered 63-37 has a slightly lower melting point and transitions more quickly from liquid to solid as it cools. I think it's also a fair amount stronger. It's a more finely tuned alloy, slightly more expensive because tin costs more than lead. 60-40 is fine, 63-37 is ideal. Honestly I can't tell the difference using them.
63-37 is the eutectic alloy, so it melts at a single melting point, without a range with liquid plus mushy solid that you will get with other alloys. 60-40 is supposed to wet the wires and traces better than the eutectic alloy.
Youre really a genius! Wish you were in England!! Humour, academic brilliance how you intuitively read these circuit diagrams and have an innate knowledge of the system! I loved the video you did in a Mock spanish style house from the 20's that was being demolished, once a beautiful suburban middle class home!! Youre videos are GREAT!!! Im certain you could have a very good business in England, with your knowledge for the HUGE market here for autochange record players, valve radios, old TV sets. transistor and valve amps and radios. BRILLIANT!! Just BRILLIANT!!! Bushvhf
Watching him test those tubes brings back memories of Radio Shack in the '70s when they had tube-testers in the store and you could just walk in and test your tubes to make sure they were good (or bad, whereupon the salesman would try to sell you one. 😉)
Yeah i remember those days! I used to photocopy B&W TV circuit diagrams at our city library and then take the tubes to Radio Shack for testing. They had all tube types for sale there! I was 18 years old back then, 1974, and I only had a basic tools and a multimeter. Wished I had an oscilloscope but they were too expensive!
Love that sparko-twerbulation between that 10 kV outer anode and ground. We need more electronics these days with huge pieces of metal raised to high voltage where little hands can reach in!
Flir has always been good about standing behind their products. We have one on one of our trucks at the fire dept. Of course, ours is a $8,000 unit designed for structural firefighting. But they took it in and fixed ours no charge and we had had it for several years
On the cheep Chinese jumper leads.... I took my solder station into my living room one evening and soldered all the ends on about 20 sets. Now I can depend on them. Thank for the videos.
Lime green television LOL! Ever since my cataract surgeries last month my B + W movies are now in true black and white not greenish/brown. Great video.
It’s sad to realize that this TV very well could’ve been powered up and gathered around for the very first televised presidential debates of the 1948 election between great men like Thomas Dewey and Harry Truman. Having it play this garbage debate as its last hurrah is almost tragic.
30:45 OMG! My dad used to use those bulbs or something like them when taking 8mm movies of birthday parties inside. He had a green metal contraption (that looks like today's sound bars) that had at least three sockets, which always had at least one open because if he used all three bulbs the ancient screw-in glass fuses in the basement would blow, leaving the house in complete darkness. Those bulbs were as bright as the sun, and just as hot! To make this vid any more nostalgic for me , the elders would have to be drinking Schafer beer in a welded steel can for which you'd need a "church key" puncture-type opener. And when you run out of cans, you pop over to the local tavern and pick up an armful of those cardboard cylindrical quart containers of Draft beer.
I didn't realize the amount of asbestos used in making these TVs until I started watching these videos and coming across it my self in these vintage tvs asbestos coverd wiring parts etc 💀
3:35 The only thing left of that milky way bar is a piece of its wrapper. I bet the set will hum along just fine, like new, if you tack in a new milky way bar.
63/37 is slightly superior to standard 60/40 solder. 63/37 is a true eutectic alloy that melts at 183° 60/40 melts at 188° As the melting point is a single temperature it will transition to a melting faster than non-Eutectic alloys which means less chance of cold joints. In non-Eutectic alloys one metal will melt before the other. The cost difference is minimal. I've used 63/37 for decades with fantastic results.
Lol love your videos , get a kick out learning all the new words and sayings you come up 👍, thanks for all the great videos, and have a great Christmas!!
Hi Shango ,Just wont to wish you and your family a happy christmas and new year and thanks for all the great videos much better than any thing on uk tv. I will be looking forward to moor great videos in 2020. Regards Richard.
Shango, I would've just loved one of these old Hoffman small roundies, but I'm in PAL-land (Denmark, Scandinavia), so it would need a complete rebuild to do PAL. There's something with these small old TV's. Small enough to be a tabletop, like a more modern portable 13"-14".
I wonder if the green glow is being cause by x-ray radiation? Would be cool to pull out the geiger counter. Cool video. To observe the debates, and think how far we have fallen since 1948.
@@AgentDiego True. 10 KV is not enough to knock electrons from the surface of most metals. I just wonder what radioactive elements might be in the electron gun. Also this is not an aluminized tube. I wonder if all that green light is bouncing off the backside of the phosphor?
Below in comments it was an opinion that green lighting is some kind of indicator of incorrected set of ion trap. Btw, speaking of radiation! In one of prevous videos, Shango did took an old radioluminescenced clock or whatever it was, that has Radium-226 in it.
@@AgentDiego I used to have a digital LCD wristwatch in the early 1980s which stated "PermaGlow" on the front, and there was a radiation symbol on the stainless back cover. I think it is still around in a box somewhere here. It stopped glowing about 10 years ago, so the half-life of the source (tritium??) must have only been 25 years.
The 6SN7 was a very versatile tube. They first appeared in amplifiers. There was even one made entirely with 6SN7s! Its use in TVs came soon after and it became so associated with TV usage that it seldom appeared in anything else after that. The 12AX7 pretty much took over after it appeared.
I know. The Chinese also still produce tubes but the selection is more limited and I suspect the Russian tubes are of more reliable quality. There was also a tube factory in the Czech Republic last I looked. Don't know if they are still going or not.
Great video, Shango! When that TV was manufactured, Harry Truman was President. Wonder how he would feel about the transformation of his Democratic party over the past 70 years.
Loss of the filament connection was very common with those early large 12-pin bases. Usual fix was to crimp the pins to restore the connection (quick & dirty) or to reheat and resolder the pins (better). The sockets were also a problem, particularly with cheap partial sockets. Usual fix was to replace them as most were constructed to discourage disassembly/reassembly.
