Absolutely in love with your channel. I'm one of the rare younger people into radios and televisions, and watching the videos you make teaches me so very much. I'm just entering this little world, yet know many things just from you.
@zzquantum8446
2 жыл бұрын
Это удивительно! Мастер в Штатах использует элементы из СССР для своих экспериментов! СССР еще долго будет жить в памяти и в электронике))) Я родился в СССР и для меня это важно!
@glasslinger
4 жыл бұрын
You don't want such a high Ft transistor for an AM radio. Get something with a Ft around 50mhz. The high Ft transistors will oscillate at uhf frequencies causing all kinds of problems. Is that green stuff on the board guacamole or corrosion? Whatever, it should be totally cleaned off!
@steveolsen2164
4 жыл бұрын
I have this EXACT radio! Mine was originally my brother's. Same color and everything. Haven't powered it up yet but it is still on my "to do" list.
This is forreal amazing; you should do more about this video, and all of the above which is very extremely interesting.😎 (very underrated)
@jazbell7
4 жыл бұрын
Back in the day we in the US made superb germanium transistors. The RCA 2N2613 and 2N2614 for low noise audio, the RCA 2N287 and 2N384 drift transistors for HF radio. Motorola did the same for higher power RF devices. Its just like we stopped that almost immediately in the 70s, whose, they vanished. Repair or restore is not an American word, substitute "throw away" and buy new.
@milfordcivic6755
4 жыл бұрын
Thank your corporate masters who sold out for cheap labor and no hazardous waste laws.
@IrishvintageTVRadio
4 жыл бұрын
I gave the in-laws a Pye transistor radio from the mid 60's. After about 6 months the AF117's developed the tin whisker problem. I changed them out for PNP silicone with the bias increased but it was nowhere near as sensitive. I've since got a load of germainium transistors so I might revisit it. Comrade Rush Limbaugh, brought to you by the CCCP.
@davidcollins1853
4 жыл бұрын
Especially enjoy the vintage transistor radio sets. Thanks.
@JohnGotts
4 жыл бұрын
Thanks for the repair. Nice work.
@fanofoldfans9238
4 жыл бұрын
германиевый npn высокочастотный транзистор работает очень хорошо
@cringemaki
4 жыл бұрын
"High frequency NPN germanium transistor works very well" (If anyone wanted to know. Translated with some google and knowdlege)
@AndyHullMcPenguin
4 жыл бұрын
Radio: "...downtown..." Shango066: "The Mrs Miller version of this is so much better." Me: ... checks youtube for the Mrs Miller version... is not disappointed. Who needs Petula Clark when you have Mrs Miller. ;~) While on the subject of things people probably don't really want to know. One of the first things I ever built (from salvaged components and other junk, and with, I have no doubt, terrible soldering) was a transistor radio, which, if my memory serves (doubtful I know), contained at least one OC75 germanium npn and an OA10 germanium detector diode. I have a container of salvaged soviet era germanium transistors somewhere, which were cherry picked from various scrap boards from a local Glasgow electronics supplier back in the day. I also have some very odd looking capacitors from the same source. I have absolutely no idea where they got them from. Probably best not to speculate, given that it was the height of the cold war.
@olegkostoglotov8800
4 жыл бұрын
I've noticed that some Soviet era electronics were imported to Britain back in the 1960s, 70s, and 80s, a lot of guys on Y.T seem to have Selena radios which are all but non existent in North America. Sometimes you see products from the G.D.R. (East Germany) but not often. The O series transistors were some of the earliest transistors that I have run across, they are actually glass cased with black paint over the top. So basically Phillips used similar techniques to manufacture their early transistors as they did vacuum tubes, and employed a similar numbering system using a O instead of a D, an E, or a U.
@Stoneforth
4 жыл бұрын
i've been listening to mrs miller for hours ever since he played her. It's strangely addictive
@wlsallnight
4 жыл бұрын
My first radio, still have it, spent hours at night in bed listening to WLS.
@waltschannel7465
4 жыл бұрын
Very interesting to see an actual re-bias from Ge to Si. Thank you!
@12cobber12
4 жыл бұрын
Hi shango066, I enjoyed the video and am glad to see someone experimenting with repairing these radios. Most of the russian transistor you tried will work as replacements. You need to change the upper bias resistor to 100k trimpot. Varying the bias and therefore collector current will change the gain of the replacement transistor to what is stable in the radio. Silicon transistors are touchier on there bias setting as high gain transistors will have to run with quite low collector current in the square law part of their curve. Some of these radios have used a ferrite bead in the base or collector lead depending on how well the PC board has been designed.
@OriginalFinnish22
4 жыл бұрын
My featured video of the month Keep doing good work !!!!
@brianfletcher9774
4 жыл бұрын
I listen to LAoldies alot ! I have a FM transmitter , so I stream it to my 1968 Elgin clock radio. In South Dakota, we do not have a good oldies station anymore.
@crooner2007
4 жыл бұрын
Yeah, fix the Sony TR-712, definitely interested in a follow up of that. Great work as usual Shango!
@superconductorchip9072
4 жыл бұрын
Sounds like you have a AGC fault !! I love repairing old Radios and TV's It was my job in the 70' 80's, and then the world changed. Great Video takes me back years..
@isoguy.
4 жыл бұрын
Great fix, can hardly wait to see and hear the white Sony disintegrating radio fixed and working.
@scharkalvin
4 жыл бұрын
Try putting a low value resistor in series with the base lead to kill the oscillation. Something like a few hundred to a few thousand ohms. Also a ferite bead over the base lead.
@synctothegid
4 жыл бұрын
I enjoy your work, and commentary! Thanks
@martinda7446
4 жыл бұрын
(Edit) Hey, Uncle Shango, the converters bad in this R2 unit.
@johnnytacokleinschmidt515
3 жыл бұрын
That's funny! Star Wars. Here's one I use all of the time... "He doesn't like you.... I don't like you either!"
@martinda7446
3 жыл бұрын
@@johnnytacokleinschmidt515 😺 Just watch yourself, we're wanted men..
@johnnytacokleinschmidt515
3 жыл бұрын
@@martinda7446 I'm wanted in seven galaxies... Or was it solar systems?
@martinda7446
3 жыл бұрын
@@johnnytacokleinschmidt515 Ha ha ha that's the best bit... Galaxies sounds right.
@theogdirkdiggler
4 жыл бұрын
The ingenuity of that era was incredible, everything was multi-functional like the handle and antennae.
@olegkostoglotov8800
4 жыл бұрын
That would be true in some Motorola sets (at least the tube portables), or an early Zenith Royal T.O. but these G.Es have the ferrite bar antenna mounted inside the cabinet, not the handle
@Mike1614b
4 жыл бұрын
I listened to Mrs. Miller's rendition of Downtown and yes it is much better!
@milfordcivic6755
4 жыл бұрын
Ugh, that was such a bad album. Reminds me of Hyacinth Bucket's singing.
@hardcorecommandreloaded3905
3 жыл бұрын
These videos are so interesting and entertaining!!!!...Thanx Man :) :) :)
@hardcorecommandreloaded3905
3 жыл бұрын
My Brain Says Thanx Too
@spresc2180
4 жыл бұрын
This radio has a horrible looking solder/trace side of the circuit board with tons of blue corrosion etc. Would you consider showing us in a video the process of cleaning a board such as this so as to bring it back to as pristine a state as possible, as well as inspection tips for problems to look for on the trace side? That would be very helpful.
@skykingagi
4 жыл бұрын
Wow.. 2 videos. Love it. Thanks!
@hestheMaster
4 жыл бұрын
Copper oxide disease on that awful PC board. Some traces seem to have lifted off the phenolic substrate.
@moshezaharia4666
4 жыл бұрын
It also creeps into the two resistors and will cause them to go bad.
@NickG123
4 жыл бұрын
Hey Shango, do you think you could make a video on a zenith royal 59 transistor radio? I just found one online and wanted to see how I should go about recapping it because its fully original and working ok... Edit, but I want it to work great!
@ralphups7782
4 жыл бұрын
Shango066, I was totally stumped. When I heard on that radio a broadcast about black fire fighters.? What...? Over here in England, when our houses are on fire, we don't care who puts it out mate, stole on I am done.
@NickG123
4 жыл бұрын
This was the one that got de-covidafied in the sun... when the pandemic was at its peak in the New York area...
@olegkostoglotov8800
4 жыл бұрын
@Jay Man That may be true, but this isn't really the forum for it, the same goes with the pro Biden side.
@markmarkofkane8167
Жыл бұрын
Lots of oxidation on the circuit board. I guess it would become an issue later on? Interesting video!
@josephtaverna1287
4 жыл бұрын
Good evening Shango what great stations you have out in Cali also nice job on the radio stay safe my friend God bless ps Gordon lighfoot great song writer extraordinary
@mlpreinbowfluttersrycutebo6818
4 жыл бұрын
Awesome video
@Godzilla941
4 жыл бұрын
Earlier today I found a GE 8 Transistor (one of the ones with the weird speaker that doesn't use an output transformer) that had been sitting for about 20 years in a box in a non-climate-controlled part of the house. The radio itself is from the mid-60s. Tuning cap, IF cans, electrolytic and some ceramic caps are Japanese, the rest including the semiconductors look to be U.S. made parts. Lots of corrosion from where batteries leaked ages ago. I put a couple AAs in expecting it to be dead, but it came right up and was picking up stations no problem. :)
@brigganthewolf1461
4 жыл бұрын
Transistor radios use Permanent magnet drivers. Tube radios sometimes have P.M. drivers, but usually the older 20's-40's tube radios use a Field Coil or Electromagnetic driver.
@EngineeringVignettes
4 жыл бұрын
So... if you push on it hard enough, it starts speaking Japanese. Interesting...
@chevycaprice87
4 жыл бұрын
It's a trap!
@jeffreyhickman3871
4 жыл бұрын
Although I don’t think 🤔 I’m Russian in my ancestry, this is a great 👍 radio 📻. I’m guessing it’s probably a 1968. Knowing my luck, I’m wrong. Good thing you’re recapping this wonder. It really reproduces songs nicely. I can’t tell if it has a dial cord. That circuitry must be hand 🤚 drawn, meaning handmade. Bbishoppcm’s World 🌎 put it that way. Walk away Renee by The Left Banke. Kind of makes me sad 😞 a little bit after the loss of my mom on August 12th, 2016. 4th anniversary date coming up. Can’t tell if the speaker 🔊 grille is cloth, but it looks like a very fine radio 📻. Probably made in Russia. Downtown by Petula Clark. I remember that song as a teenager.
@electrofan7180
4 жыл бұрын
ГТ311/ГТ313 is germanium "gamer's choice" for RF☻ I have a lot of new ones and also some military grade 1Т311/1Т313. It is really best mass production soviet germaniums for HF. Back in the day I made several UHF transceivers with it. But actually pretty useless things now outside of old equipment repair.
@kingsmith9986
4 жыл бұрын
👍👍
@ptronix
4 жыл бұрын
Was that , the wreck of the Edmund Fitzgerald at the end?
@Rev22-21
4 жыл бұрын
We envy those who have classic rock AM stations ya know. Just sayin....
@jrmcferren
4 жыл бұрын
I have two that simulcast and one somewhat distant (80 miles or so) daytimer I can pick up in my car on the ground wave. I also have a full service station that is manned 19 hours a day and in addition to music, has old time radio on the weekends and even locally hosted programming.
@5roundsrapid263
4 жыл бұрын
Get an AM modulator and you can listen to anything you want on your old radios.
@aluminumfence
4 жыл бұрын
Shango066, talent on loan from God.
@burntoutelectronics
4 жыл бұрын
I bought some MP38A NPN's but their not high frequency enough for an oscillator so thanks for showing some others as it's hard to find as you know.
@alfilkoff
4 жыл бұрын
Да, МП38 это обыные низкочастотные, для звуковых усилителей, блоков питания и т.д
@burntoutelectronics
4 жыл бұрын
alfilkoff какие типы вы бы порекомендовали? Я купил несколько GT311ZH и GT311G для высокочастотных приложений. привет из Австралии.
@dampandrew
4 жыл бұрын
Hey, my antenna remains rotated slightly towards the southwest because i must block out thé televangelism tower 0.5 miles from my house. How does a wavetrap work well on solid state ferrite antenna radios?
@keithbrandaw7229
4 жыл бұрын
Hello Shango066, I have a Zenith 1000 and I have a question which Russian PNP should I replace all of them with ? Thanks Keith
@keithbrandaw7229
4 жыл бұрын
I’ve been watching you for years now , I always enjoy your videos, regardless of weather or Aircraft in your Area!
@shango066
4 жыл бұрын
Replace the ones that are bad only. If you replace all of them you're going to have a brick
@keithbrandaw7229
4 жыл бұрын
shango066 ok thanks for the help !
@steviebboy69
4 жыл бұрын
I went and had a listen to Mrs Miller she sounds like a Cat with a clothes peg stuck on its tail and its running around the backyard.
@burlatsdemontaigne6147
4 жыл бұрын
steviebboy69 _____ Yeah... and?
@steviebboy69
4 жыл бұрын
@@burlatsdemontaigne6147 Well that is what I think, I liked the Clarke version,.
@russellhltn1396
4 жыл бұрын
What was causing the change in performance when you fingered it? It didn't seem like you fixed that. It seems like it worked right when you did that. Perhaps some of the corrosion is shorting things?
@Synthematix
4 жыл бұрын
Those GT11 transistors ought to be called "UFO's" all that nasty corrosion tho, can a radio even work properly with it?
@rodd8170
4 жыл бұрын
Thats what i thought. First thing i would do is clean off all corrosion & then resolder all joints on pcb.
@Pawelr98
4 жыл бұрын
You should have soldered the case (fourth lead) of the transistor to the ground. Provides shielding for RF.
@Lechoslowianin
4 жыл бұрын
i think you should correct the bias voltage
@hql400
4 жыл бұрын
Very nice ! I dont think that the oscillator can effect distortion, maybe there is another issue with the mixer-stage or an if-stage and the variation of oscillator-amplitude do partly compensate this another fault. The oscillator-amplitude will influence the mixing-parameters in the mixer-stage. If an oszillator give distorted rf, there will be unwanted if-mixes because of the harmonics... Maybe it can be seen on an oscilloscope wich is noch easy to couple without detuning the oscillator. In many cases there is a low-impedanz-point to couple an oscilloscope (feedback-winding). I think, a npn-silicon-transistor with a changed BIAS will work well, too in an oscillator-circuit. ... in the sony tv-case my suggestion failed ^^ but I like these disussions and your work so much.
@twoatebravo
4 жыл бұрын
Hello, I have a boatload of n.O.S. boxed television tubes that I can donate to the cause, how can I get them to you? Northern Ca.
@shango066
4 жыл бұрын
There should be an email posted
@brianhginc.2140
4 жыл бұрын
A 1.5GHz transistor for a 1.5MHz radio front end. This I have got to see!
@boardernut
4 жыл бұрын
shango, how do you get rid of that oscillation, from 8:08 to 8:16 or so, I have a Japanese germanium AM only that does that, even with fresh new transistors, it does it across the whole band
@skuula
4 жыл бұрын
Someone here mentioned: Series base resistor a few hundred to a few k Ohm, and/or base ferrite bead.
@charliehustle5529
4 жыл бұрын
wow at 11:04
@tomfranco4866
4 жыл бұрын
I like that radio
@SusanAmberBruce
4 жыл бұрын
Would be interesting to see a scope on it when your swapping transistors
@olegkostoglotov8800
4 жыл бұрын
I have one of these, it needs the ferrite rod antenna coil rewound, my late uncle was tinkering with it and gave up after he had trouble keeping the oscillator going. Unfortunately he took it all apart and left it that way, so I may need to find another example to uses as a guide.
@MiamiMillionaire
4 жыл бұрын
👍
@taineasy
4 жыл бұрын
Just to give you an idea how hard it is to get a good new T03 Darlington transistor I ordered 16 from 3 reputable and different sources and everyone is shorted. These are all supposedly BRAND NEW transistors from 3 sources and every one has a voltage reading of 1/2 volt between the emitter and the collector (in one direction only). According to one of your previous videos these should all be considered shorted. I emailed all three sellers and each told me that it is normal to have a voltage reading between the emitter and the collector on one direction. Either your comment is incorrect or these three sources don't know what they are talking about.
@shango066
4 жыл бұрын
Darlington is different. Germanium is different. A standard BJT should not show anything between C and e. Unless you ordered them from digi-key or Mauser consider them counterfeit junk. Any modern silicon devices or fets off eBay are counterfeit Chinese clones that will fail in short order. I talked about that all the time in videos
@MrBillmcminn
4 жыл бұрын
The Mrs. Miller version of Downtown is about stomachable as the Groundskeeper Willie version of that song from The Simpsons. You can see it on KZitem until the mouse mafia has it pulled down.
@williamstevens7090
4 жыл бұрын
If Mrs. Miller distorts in a forest would anyone hear it?
@bigliftm
4 жыл бұрын
@Shango : How about a potmeter for setting the bias so you can adjust is. Hook up a scope and then you can see the distortion and clipping. My 5 cents . 73s from PD0ROH qth netherlands
@KameraShy
4 жыл бұрын
I ordered Russian transistors from five different sellers in mid-April. Orders from sellers in Netherlands and Ukraine arrived in a few weeks. Those located in Russia took three and a half months. Tracking showed they were shipped promptly but after a few days died somewhere in Moscow. Then, all of a sudden, they arrived in a clump at the end of July. I understand the problems with logistics and delays in this environment. However, eBay sets an expected arrival date and customers only have 30 days after that exact date to file a non-receipt claim. If you don't file, you lose if the order doesn't show. If you file, seller refunds, and order arrives, eBay does not have a procedure to re-pay the seller. So, as always, it is eBay that is the real problem. Here, screws over both buyers and sellers.
@shango066
4 жыл бұрын
That exact thing happened and I went back and made arrangements to get the seller repaid. I have never had any problems with the sellers in Russia sometimes there's a language translator issue but they seem honest and upfront
@cfcreative1
4 жыл бұрын
I would check all those resistors as well.
@petepeterson4540
4 жыл бұрын
all transistors are not the same but there are some close """""" ATTENTION LIFTED PAD ALERT @ 5:55
@kenojackson4816
4 жыл бұрын
Cool
@teacfan1080
4 жыл бұрын
Just like nixie tubes, the Russians made those up to the early 90's while the others were done by the 70's. They are in huge demand today for clocks and are pricey for certain models.
@glenwoofit
4 жыл бұрын
That corrosion was killing my OCD. I would have sleepless nights leaving that.
@hlacadie
4 жыл бұрын
Me too!! I was actually freaking out. They got that rust stopper juice at home depot. I would try that. It was driving me nuts.
@chevycaprice87
4 жыл бұрын
Fresh? In Russia you can buy a brand new germanium transistors for about $0.20 per one.
@jesuserto
4 жыл бұрын
Like si escuchaste "bonita finca de adobe" 8:30
@danmackintosh6325
4 жыл бұрын
Wreck of the Clinkydoymler Bybleiser? Hmm, gimme the "old 97" over that TBF
@johndonaldson3619
4 жыл бұрын
In Soviet Union, radio hear you!
@jdmccorful
4 жыл бұрын
Nice fix, care to share your source for transistors?
@shango066
4 жыл бұрын
EBay
@craignehring
4 жыл бұрын
Zeet gizel Phweep Alright who put the bomp in the bomp sha bomp?
@kareno8634
4 жыл бұрын
You're So Fun! or Is it the Tunes? 8 )
@renejansen5939
4 жыл бұрын
Russian UFO like transistors
@HazeAnderson
4 жыл бұрын
dat ending tho 😅
@akkudakkupl
4 жыл бұрын
Vinegar that corrosion of the board, then clean it maybe? ;-)
@wendellporter4875
4 жыл бұрын
i have a few hundred russian mp40 pnp transistors price was right when i bought may end up in a radio or walkie talkies i need to repair
@xsc1000
4 жыл бұрын
MP40 is just AF transistor. For RF, there are better ones like GT328 or GT346. (PNP, Ft 200-1000 MHz)
@mattgring
4 жыл бұрын
would rather listen to nails on chalk board mixed with hillary clintons cackles than listen to rush limbaugh.
@az0009990
4 жыл бұрын
it not russian, it soviet
@ronaldspencer547
4 жыл бұрын
Nothing wrong with Russian parts. Except documentation in English. Now your little tester makes that problem void.
@dondesnoo1771
4 жыл бұрын
Your not going to get the mars rover no màtter what you put in that 5$ radio. Think the green gurges got that board .
@fireantsarestrange
4 жыл бұрын
You cant depend on anything cuz you still live in Commiefornia.... dude move. I left long ass time ago... best thing i ever did.
@petepeterson4540
4 жыл бұрын
lightly wire brush that board
@tstahlfsu
4 жыл бұрын
Excrement In Broadcasting
@Ideal1980
4 жыл бұрын
Trump 2020 MAGA
@Raul_Gajadhar
4 жыл бұрын
You always talked about this is ok for a tube set, if this were solid-state all sorts of problems might arise, and yet you never bother to reflow the solder, or try to inhibit the oxidation, but yet you on, and on about liking the set. F it I am glad you don't like me. You say you read all your comments - No.13 thumb-down was from me. What a waste of 12 minutes!
@shango066
4 жыл бұрын
That was not the topic of this video. Sounds like it's time to turn the advertisements on
@Raul_Gajadhar
4 жыл бұрын
@@shango066 Are you assuming I can't read? Look...Boi!... Knowing how sensitive germanium are in rf circuits, did you really think just swapping transistors would really make a difference under those conditions? With the defective volume control I noticed zero changes for the better. Advertisements? Please do. The elections here are over now, thank Go... I mean Arron Ra, or Dick Dawkins which ever... So it would be mostly Grammarly which is just 30 seconds (Soothing), compared to the 2-5 minutes paid political announcements from my country. :)
@Raul_Gajadhar
4 жыл бұрын
@@shango066 Yuh vexed? You is my best top of the line go to guy for old school electronic troubleshooting; I like tube stuff, I even have a 10 x 16 or sum pal, and ntsc tube monitor, since 1998. it good for n64 and psx games.
Пікірлер: 133