If i want math (and the principal of operation that governs how these things are designed in the first place), I'm sure Carlson has something for me. If I want MASH-style practical field surgery and a visual autopsy, shango's always got us covered.
@MrPocketfullOfSteel
10 ай бұрын
I agree! *haha*
@Rfk1966
10 ай бұрын
Well said. I especially enjoy the triage episodes where a truckload of tv’s/radios are evaluated.
@dddevildogg
10 ай бұрын
Shango posts the most insane electronic noises you will ever find,thank you as they come in handy when used on a scammer from India at 300% volume
@Synthematix
10 ай бұрын
I cannot stomach other channels on repair videos like this, you make it interesting and worthwhile.
@gretalaube91
10 ай бұрын
Anyone asking why? The pleasure we get from listening to an old receiver that we fixed up to perfection is unequalled in life. The Highest of Fi!
@JerryEricsson
5 ай бұрын
I used to watch movies as a kid, went to the theatre when ever I could scrape up enough coin for a ticket. Days would see me out in the ditches near town picking up bottles to take to the store for the 3 cent refund on the bottles, to save up for a ticket. One of my favorite themes were about soldiers, and the ones where they had to defuse the bomb in the streets of London WWII flicks kept me on the edge of my seat. Watching this video brings the same sense of excitement to watch that radio go from basket case to flame burning DX system! Thanks a million, love your videos, I always learn something.
@55benchguy
10 ай бұрын
What are you going to but in today's world that will last as long at this ole guy has lasted and yet can still be serviced. Funny how you can still get schematics for something 50 years old but nothing for something that is 5 years old ?? Atttttta Boy Shango ! Great Video. Thank You for doing these !
@Indiskret1
10 ай бұрын
1,5 hours radio fix goodness on a Saturday evening. Couldn't wish for more! 😚
@leetucker9938
10 ай бұрын
going to watch this twice , its awesome
@LyonsArcade
10 ай бұрын
This is a huge job really, so many of those IF cans.... very few people willing to take the trouble to replace all those, you are an electronics saint!
@const_cast
10 ай бұрын
It’s broke!
@ATOMSHAMRADIO
10 ай бұрын
I second that 👍⚡
@danielknepper6884
10 ай бұрын
@@const_castwhat's wrong with it Joe?
@waltschannel7465
10 ай бұрын
You are spot on about not trying to do the math to get the capacitance values. Even at much lower frequencies, the math only gets you an approximate value. Any engineering course teaches that. Think that's limited to analog? Thinkagain. I worked with an IC engineer in the 1980s, and same thing applies, with the tools available then, but still true even with modern circuit simulation. There are so many factors, including what we used to call lead dress, especially in a 3 dimensional hand wired tube circuit, but again, still applies to printed circuits.
@directcurrent5751
10 ай бұрын
Everything is induction or capacitance. Even lead lengths can alter values. EMF is a mad scientist Jerry!
@clifffiftytwo
10 ай бұрын
If you could do it by the math then why are there adjustments? Shango for the win.
@MrPocketfullOfSteel
10 ай бұрын
@@clifffiftytwo *BOOM!*
@teacfan1080
10 ай бұрын
Dr. Shango performs delicate surgery on a classic receiver and cures the silver mica disease. No nasty side effects to deal with, just great sound.
@robinsattahip2376
10 ай бұрын
Those old radios worked better than the new radio-on-a-chip crap they sell now. That thing is impressive. Great video, thanks as always.
@darikdatta
10 ай бұрын
Perfect timing, nothing like a little shango to go with my saturday morning coffee.
@Rafael-fw1xk
10 ай бұрын
in the morning? in my country it is now 5:15 pm
@gustavoangelero4068
10 ай бұрын
Lunch time here
@darikdatta
10 ай бұрын
I'm in Shango Daylight Time, even getting eaten by the same goddamn mosquitos.
@gustavoangelero4068
10 ай бұрын
I am 10000kms from Shango
@Rafael-fw1xk
10 ай бұрын
@@gustavoangelero4068 I also have about 10,000 km to Shango
@user-gc6ow7ys2s
Ай бұрын
Great alignment issue. Cat appreciates the shamoobling while sleeping in the bag.Answers back.Cute.
@edwardbelcher8612
10 ай бұрын
Years ago, I repaired an RCA am set that had those riveted cans. I found what the values were from another person in a tube radio forum but, those things came apart exactly like these. I re-assembled them just by turning my iron down and just melting the plastic enough to hold the connectors kinda snug while I soldered the new caps in place then just used a few little blobs of silicon to keep everything where it needed to be. Still plays just fine and that has been atleast 15 years ago. Really enjoy your videos btw!
@joonglegamer9898
10 ай бұрын
There's no reason to do what I do - I do what I do because thats how I do it. Best quote of 2023!
@davidciavarella530
10 ай бұрын
I am glad you do not live near me you would have to get a restraining order to keep me away. I love to watch you fix this old stuff !
@billmcdonald2436
10 ай бұрын
This is the best alignment video for these older radios that I’ve seen yet. Thanks
@KameraShy
10 ай бұрын
I am Old. Like when this thang was new. All anybody cared about then was AM. FM was just a curiosity. Yeah, I am THAT Old. So no surprise then that the designers focused on AM. Even through the internet and PC speakers this sounds great! Though I never figured Shango was into House Music. Video was overwhemingly informative. Thanks. BTW, JFK got into office with the help of the Mafia and Chicago Machine
@JCWise-sf9ww
10 ай бұрын
I repaired a number of 455 khz IF cans, by carefully drilling off the lip of the brass rivet removing the mica sheet measuring the pf's and then put scotch magic tape over both sides of the mica. Made a hole in the tape where the rivet goes, reinstall everything and super glued the rivet to hold it together. Connected ether 100, 120, 150 or 180 pf micas that were the closest to the original underside. Realigned slugs with the recommended plastic alignment tool that fits the slot in the tuning slug. No problem, less hassle & actually saves time.
@chetpomeroy1399
10 ай бұрын
Fascinating video! Shango worked really hard to bring this receiver back to life. Hearing CONELRAD test broadcasts at those little triangles with "news and official information" on the AM side of the dial would be period-correct, too. I remember seeing radios like this as a youngster.
@JacGoudsmit
10 ай бұрын
I'm watching this on Saturday near LA at just after 8pm and you got me tune into Metropolis on my right ear on my phone while I'm watching this episode on my computer and in my left ear. Thanks for posting this Shango. Not a minute too long.
@hestheMaster
10 ай бұрын
This video is a keeper on such a rare opportunity to see how difficult repairing IF transformers with SMD are and how to do a two step process to get the right capacitor values needed to get the LC filtering right. Very scientifically done by Shango. No math needed procedure.
@billmyke746
10 ай бұрын
Nice to see your new Siamese friend.
@W1RMD
10 ай бұрын
I love the chrome squished trapezoid style bezel in front with how it says "Hi Fi" in beautiful turquoise in your grandmother's handwriting as Charles Phoenix would say. Sounds beautiful too! This was a very informative video! I love your no BS style of repair. I thought that the caps would have to go inside the if cans, but it's nice to see they don't have to. Thanks "Garfield" for saving this old beast to live another day.turquiose
@LaLaLand.Germany
2 ай бұрын
I mostly enjoyed this because of the airwaives. I envy deeply all the action on am in the US and that radio sounded really pretty. There´s no am left in Germany, next to none in the UK and they want to scrap fm, too. Then what? I was born in the 70´s near the inner German border and when I was Young I´d never imagined all the goodness to go away. Last in the 90´s I was drunk at home and found a blues show on am from Poland. Memorieees, sweet memorieees...
@edwardallan197
10 ай бұрын
High-energy repair session with Shango! And no holding back, exactitude!
@MrPocketfullOfSteel
10 ай бұрын
*lol*
@fredflintstone8048
10 ай бұрын
A lot of work, but it sounds really good now. I can't believe how expensive one percent caps are.
@Dennis-uc2gm
10 ай бұрын
I agree with an earlier comment, our modern high tech junk doesn't come close to the sound quality that old Fisher puts out.
@brainndamage
10 ай бұрын
Great work, it sounds really good. The percent tolerance is the initial from factory, not the temperature coefficient or drift. So you could hand pick a 10% closer than a random 5% and it would be stable the same, assuming its tempco and drift are the same. It should be pertty close with the same style of silver mica. Peak aligning the FM IF will usually cause distortion on stations that modulate close to the maximum since the IF bandwidth is too narrow. To get it perfect you really need to sweep align it.
@randyr.parker2698
10 ай бұрын
@shango066 FRIGGIN AWESOME video!!!!!! These are the kind of vids I like, lots of get down and dirty to see how to make it work. Thorough explanation of your thought process as you go, thanks for this EXCELLENT video, I know it takes a lot of time to do these and we all appreciate them. 🙂
@nomadradio
10 ай бұрын
The styrene-skeleton IF transformer tuned by cup cores with this construction was called the "K-Tran". Claim to fame was magnetic shielding. You could place them as closely as you like with no risk of magnetic coupling between them. Most that we see have thin metal plates separated by plain mica sheets. The tension spring under the rivet loses tension as the plastic shrinks with age, and the internal capacitance drops too low to resonate. CB radio receivers from the 1960s were full of them. The estimated repair price for those can be truly shocking when you add up a half-dozen K-Trans in the labor total.
@gavincurtis
10 ай бұрын
Used to have a fisher stereo tube receiver with separate AM/FM stereo tuner dials. You could play AM talk radio and mix the stereo FM audio over it. Had 45+ tubes in it. Brown, beige with gold trim. With I still had it.
@bobbyk6585
10 ай бұрын
Observing Sukkot with Shango... nice combo.
@bsalightning69
10 ай бұрын
When I was young, I had a old Fisher receiver that really pulled in the stations, clear as a bell. Wish I had it today.
@Seiskid
10 ай бұрын
That TiniSA-Ultra is a really handy tool. I saw it on your channel a few weeks back and I thought I have to order that. It turned up last week and I really like it. Going to be super handy, especially for AM alignment, and way simpler to use than what I've got now. I also like the fact that you can narrow or widen the 10.7 FM bandwidth to whatever you like.
@scottlangille9900
10 ай бұрын
Nice set, you did a fantastic job Shango66, Congratulations have a great weekend.
@8bitwarrior
10 ай бұрын
Awesome video. I’ve had various AM/FM tube radios, many of which suffered from very weak reception and I think they probably suffered the same thing. Even after a complete re-tube, they did not get any improvement. I wish I still lived in California. I would have paid you to fix a couple of my units. Awesome job, thanks for sharing with us 😊
@SpinStar1956
10 ай бұрын
SMD = Red Meat for the Shango-Faithful! Would have been neat to have see the S-curve coming out of the discriminator on a scope. Anyway, great video, and I have to agree that you tenaciously hung in there trying different capacitors. On the silver-micas, many times you can find an old-ham's junkbox that has hundreds as they were recognized as very valuable in the day because it was about the only way to tame a homemade VFO in a tube-set. They are very reliable and the only ones I've seen go bad are the ones with a lot of high-voltage on them.
@grahammurray8707
10 ай бұрын
Nice to spend time in the company of Mr Shango and share the appreciation of classic ether surfing equipment ❤😊
@sabbath7081
10 ай бұрын
I'm glad you still have that combo unit I knew you had it in your heart to hold onto it.
@mikefinn2101
10 ай бұрын
nice to enjoy my Saturday Morning with Shango. Just love this exciting channel. Greatful for a nice channel to watch and learn. You do amazing things with really Mint Museum quality TV and Radios. Thanks for the education and fun to deepen my electronics hoby.
@beamer.electronics
10 ай бұрын
Shango demonstrates a lot of patience and skill - superb.
@Bazooka1987
10 ай бұрын
Shango did it Again. I love your Radio works. Thank you so much for sharing it!
@Subgunman
10 ай бұрын
Had a version of that Fischer receiver but it was a mono unit. Gave it to a friend who messes with vintage sound about 20 years ago.
@beefchicken
9 ай бұрын
I like how at 15:14 his voice turned into upper sideband as heard through a receiver set to lower sideband.
@JerryEricsson
5 ай бұрын
I know it is out of the question now days, but back in the 1950's. when it was hot as hell at night, we used to go out in the front yard of our farm house, it wasn't much of a yard, there was no lawn, just bare ground, the front step was a rail road tie, about 25 yards from the door was mom's cloths line where she left the close pins on the wire. No electricty meant no light but dad would bring out a barn lantern and the mosquito's would gather to feast on our blood as we tried to cool off in the night air. Dad used to get an old tire from the pile behind the garage and pour some gas inside it, the light it on fire. that black smoke kept the mosquito's at bay and the light gave a warm glow over the entire scene. There no neighbors within miles to call in the fire we were quite alone. Sometimes dad would pull out his old 22/32 kit revolver and plink at mom's cloths pins, he was a crack shot but mom would get pissed because it broke her pins. Ah for the good old days.
@richardrfiore
10 ай бұрын
I just wanted to offer some in put on radio reception that my improve if you ground on end of am out and fm out to utility ground you may have to go back and forth to see witch on draws best signal hell I use to use roof antenna or the old rabbit ears with dial that clicks as you turn it even that work good near window faceing north or south great Job the radio keep up the good work
@andygozzo72
10 ай бұрын
dont seem to get 'silver mica disease' , certainly not in the same way, in UK IFTs, they dont 'integrate' the capacitors within the base/former, but use separate caps, so no 'arcing' between them, failure of those separate ones does occasionally occur, usually going low capacity or open, but very rare
@LiquidRadio
10 ай бұрын
56:43 😆 “It sounds clean now…” as the band ‘Garbage’ was literally playing.
@chrissanders2562
10 ай бұрын
I saw a video the other day where a guy put porch screen on the back of a box fan next to him to suck up the mosquitoes and it worked really well
@ry491
9 ай бұрын
Superb , I really enjoyed watching that . I have learned such a lot from you . Here in the UK I have never experienced SMD . Maybe climate or the type of if transformers .
@LakeNipissing
10 ай бұрын
16:44 . . . "Do you have thyroid eye disease?" Nice break from the incredibly meticulous work !
@crosleyfiver8686
10 ай бұрын
I often tune to 660 KTNN Navaho Nation here in El Paso
@alphabeets
10 ай бұрын
Amazing work, Mr. Shango.
@bitrot42
10 ай бұрын
Thanks for the tip about Metropolis on KCRW. I'm occasionally EDM-curious, so it's great to have a hand-picked source of quality choons.
@edwardallan197
9 ай бұрын
Unbelievable zeroing in on those discovered values!
@tennesseered586
10 ай бұрын
A masterful display of micro-surgical technique.
@vcv6560
10 ай бұрын
Great to see how to do this rebuild process, btw I ordered one of those TinySA from another of your video a few weeks ago.
@ericmoeller3634
10 ай бұрын
man that old radio has some decent bass
@paulromsky9527
10 ай бұрын
At 39:40 I agree, put in fixed caps to your best guess, keep the leads as sort as possible, then tune each transformer via the inductor adjustments.
@tarstarkusz
10 ай бұрын
I hope you are going to restore it. Even if you only do a basic restoration without a ton of cabinet work, it's still a good candidate.
@lyntonprescott3412
10 ай бұрын
You have so much patience! All credit to you.
@michaelclutton8446
10 ай бұрын
Thanks for taking the trouble making this video, your a smart guy
@tommybewick
10 ай бұрын
Wow, I can't believe I know something about electronics shango66 doesn't.. standard practice is you put 120 puff on each side. It's not that critical. Put the capacitor on top in between the two metal tabs after you bend them up, put the capacitor leads through the holes alongside the metal legs out through the bottom. Wrap it around the legs and solder, it holds everything in place, no need for silicone or anything else.
@shango066
10 ай бұрын
It's super critical, 120 would be way outside the cores ability to adjust. But hey I guess if you only watch the first 10 minutes that's what you would assume
@blitzroehre1807
10 ай бұрын
Excellent interesting video, well done Mr Shango👍
@thearchitect4726
27 күн бұрын
its interesting to see ow you took a capacitance reading, i would have thought you would use the electrodes of the caps too. never realised thhey incorporated caps into the if cans lie that. i am guessing they did not give a specific value of the caps in the can and hence you used trim caps.
@EdgarsLS
10 ай бұрын
You can calculate the capacitance of the mica wafer by using a capacitor area calculator. you'll need to find the area of the "plates" and the thickness of the wafer. Then the relative permeability of the mica. The formula is this: Farads = permiability * electricalConstant * (areaInMeters / thicknessInMeters) The electricalConstant is "0.00000000000885418781762". And the permiability for mica is 2 to 7... There's probably a common type that's used across all IF transformer capacitors so if you calculate it for one with a known value, you can calculate for any other IF transformer cap.
@mxslick50
10 ай бұрын
The counting up is because of your gloved fingers adding capacitance. EDIT: See you figured it out lol.
@directcurrent5751
10 ай бұрын
Holly harmonics hegemonics Batman. Such a tiny value ruling over everything. Touchinous worthy of color demodulation circuits. The sound is terrific!
@markhod1960
10 ай бұрын
Great job Shango hot radio can’t believe the price of the silver mica that’s nuts 😮
@deepblueskyshine
10 ай бұрын
I like american advertisements: "gonna be always high" ;)
@engineresurrector2414
10 ай бұрын
What do you use as a daily driver for listening to music?
@agostinodibella9939
10 ай бұрын
That looks cool working in the cabinet.
@davidhollfelder9940
10 ай бұрын
I was able to use medium thick super glue, to fix the removed rivet problem. The FM detector can was SMD twinckulated too. The caps in the AM usually about 100pF .. FMs seem to be either about 33 or 50 puff.
@ricardosalesdemello4130
2 ай бұрын
Oh hello amigo shango, ah boa tarde, bom shango adoro os seus vídeos, vi que você arrumou o rádio, e eu vendo o seu vídeo hoje eu vi a 🐱 oncinha deitada dentro de um saco, você filmou ela, e ela nem acordou... awww ela é muito bonitinha 🐱 Oh hello friend Shango, oh good afternoon, good Shango I love your videos, I saw that you fixed the radio, and I was watching your video today and I saw 🐱 o n c i n h a lying inside a bag, you filmed her, and she didn't even wake up... awww she's so cute 🐱
@walterbatman7949
10 ай бұрын
The cat likes that jazz channel
@KennethScharf
10 ай бұрын
Since the FM IF's are so hard to adjust, I'd have super glued the coil forms to the plastic inside the can. Maybe even leave the trimmers in place and not even try to tune and destroy the coils.
@coreybabcock2023
10 ай бұрын
Frankie is a great singer
@garp32
10 ай бұрын
Good refresher course on SMD. Thanks! That FM section looks like a real PIA 🤬
@kareno8634
10 ай бұрын
Legos or Lucite? 13:55 re: "Steps"; silly, earlier i zoomed in to see if Transformer 'tower' pieces slipped together, only to find you included 'steps'. ... _but of course_ Interesting design. the Art of _dis & reassembling._ Nice Work!
@tomwatkins4730
10 ай бұрын
Sonic verity. Thanks, Shango.
@paulromsky9527
10 ай бұрын
Cool video. At 8:35 I think your fingers are interfering with the capacitance measurements - even with rubber gloves on.
@Sys-Edit0r-1995
10 ай бұрын
I had a pair of those crescent flush cutters, loved them a lot... until the cutter blade sheard off and nearly hite in the eye! Still plan to get a new pair sometime as the cheap flush cutters just don't seem the same
@pandouros
10 ай бұрын
The cat don't care about your work😂😂😂
@4nk8r
5 ай бұрын
I love the shango tourertes. Laugh everytime :)
@coreybabcock2023
10 ай бұрын
Radio sounds so good
@gustavoangelero4068
10 ай бұрын
Is mica disease present on Solid state equipment?
@shango066
10 ай бұрын
Yeah I'm starting to see it but not the arcing because the voltage is lower just the drifted capacitors and poor sensitivity
@glennlove461
10 ай бұрын
So the capacitors are there to reduce the flatulence.
@phillanassa759
10 ай бұрын
IHey Shango, is the Tiny SA Ultra suitable to align FM and FM stereo as well as Standard Broadcast, SW, LW etc.? If not what do you recommend for aligning tuners and receivers, vacuum bulb and soiled state? This is a great video on SMD. I'm very happy you posted it to clear up many things that were previous questions I had.
@shango066
10 ай бұрын
I use the st1000 for MPX alignment
@phillanassa759
10 ай бұрын
Ooh, aren't those somewhat pricey?@@shango066
@phillanassa759
10 ай бұрын
Shango, What about the HP 8640b and the 8656b? I see you using them on your videos? Are they good units to have, which do you recommend along with An ST1000A? Thanks Shango! @@shango066
@paulromsky9527
10 ай бұрын
I think the AM caps needed to be tuned away from what you measured may have to do with the added inductance of the trimmer cap leads. The FM will be even more critical of this added inductance to each transformer.
@superfred6063
10 ай бұрын
Very interesting one this week! Thanx for sharing your knowledge.
@leroyjenkins09
10 ай бұрын
13:50 Rick rolled by Shango
@shawnstthomas4811
10 ай бұрын
I love the sound without the capacitors in the IF can. It almost sounds like leave yanking out an Atari 2600 game in the middle of playing
@dh-_1011
10 ай бұрын
Rick rolled. Damn.
@danielknepper6884
10 ай бұрын
Lol
@joeblow8593
10 ай бұрын
Nice fix as always
@frankowalker4662
10 ай бұрын
It's a lot of work, but the results are worth it.
@serge3990
10 ай бұрын
Good job ! 73' F4JMU/Serge
@andershammer9307
10 ай бұрын
I have a number of late 40's and into the 50's FM radios that have a dual peak when tuning. I assume they need detector alignment. I guess they need to be zeroed.
@christopherhulse8385
10 ай бұрын
Excellent work as always, I find the compression on some rap stations very tiring on the ears.
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