Mint 1977 Sony Trinitron KV1512 Repair Vintage Color Television

real world diagnosis of vertical issue on solid state Sony tv
/ shango066
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[@julioalejandroaldoferrarij6508]

As a young man I repaired this Sony KV1512 model several times, since my father bought it in 1978 in the country of Chile. It is an excellent television for its image. 58 years old and experienced electronic technician, regards

[@joshuaupham5993]

You should have added a DNA sample to the bag so future generations could clone you to keep this Trinitron going forever.

[@brunomoyano8727]

@Jellyyy Tech N' Stuff i'm 17 amd i don't think that 80% of my room is old stuff from the 70s and 80s that i have repaired the only thing new in my room is my samsung A13 which is the phone wich im writing this comment

[@Alabaster335]

There are younger Shango types out there, I can repair audio stuff with my eyes closed, TV's I don't have much interest in, mostly because since 1999 there has been nothing but complete garbage on TV here down under. If I ended up with a mint low-hour Trinitron that needed work I would invest in fixing it though.

[@simuler]

got to love solid state, replace all blown stuff but miss one and everything you just did goes up in smoke and you're back in the starting point

[@andygozzo72]

yep, in some cases

[@supercattelephone]

Love late 70s trinitrons, and that set is in really good shape.

[@markanderson350]

The tubes die on them and it's game over. They do a great picture.

[@rubenproost2552]

Ours lasted till y2k

[@watershed44]

@Supercat Melee Like the "Golden Era" Hondas of the 1980s and 1990s, so too are the Sony Trinitons of the 70s and 80s.

[@rubenproost2552]

Or trinitron lasted from 1977 to 2000. It still worked when we replaced it with a philips but the tube was worn out. The philips lasted exactly 10 years almost like they put a timer in.

[@mannysanguena7900]

Sony: the quality goes in before the name drops off.

[@CommodoreGreg]

lmao, as an old Zenith fan who now has many Sony PVMs, this is perfect!

[@youtoo2072]

@@CommodoreGreg but nowww dont want stuck in Sony's limitednesses either lol

[@charleswillsonpeale5739]

What a treat, two Shango vids in as many days. As Clint Eastwood would kinda' say it, "Go ahead, make my weekend".

[@zx8401ztv]

More like " Go ahead capacitor, make my day Punk!" :-D

[@quantumleap359]

Bought this same model set back in early 78, served us well, ran nearly 18 years before the CRT went soft. I never did anything to it except blow the dust and lint out of it every so often. Reliable, great color, what more could you ask? It was pretty expensive back then, but with 70s Sonys, you got your money's worth. Great video Shango!

[@trcostan]

I really like the fact you don’t edit out parts of your troubleshooting process! Loved the video

[@davidraezer5937]

Tube and early solid state may be in your comfort zone but with your knowledge of how the circuit functions and a schematic you seem to be pretty damn good to me!

[@gerardcarriera7052]

Two things I dread the most in electronics repairs. Restringing a German radio and working on a Sony Trinitron.

[@andygozzo72]

some philips radios can be far worse than german ones 😉

[@otakujhp]

Oh man! I had a 1977 Trinitron almost exactly like this. It had some flaws but I loved it anyway. It lives in my memories along with a pile of other things I wish I had kept.

[@cygnus58]

That vintage power supply had a "self destruct" design. One transistor takes out lots of other parts. Great video sir.

[@cfd_novotroitsk]

Shango: "My local electronics store didn't have 1.5 mF electrolytics..." Comes up with mint Siemens cap with a pre-war logo))

[@fredfabris7187]

I wish I had an electronics store 😖

[@onometre]

@@fredfabris7187 same. For all my projects if I need a new component I wasn't expecting I have to wait 2 days for amazon to deliver

[@skuula]

We have an electronics store in Zuerich that would be perfect for this.. They have mountains of obsolete parts, that obviously have sat in there for 40 years. And a few modern-ish accessories, that are the same quality as aliexpress but 10x more expensive. Only people doing obsolete hardware, or complete ignorants would ever go there, the ignorants are in majority. I sometimes get a resistor, an LED and a laugh there.

[@gsnfan]

With a converter box, it's still perfect for the den, kitchen or bedroom. My late father had a 1977 19" Sony, lasted 15 years and only serviced once. I wouldn't mind having one myself.

[@andrew_koala2974]

I have a late 1980's SONY 26" MultiSystem TV Operates across different voltages Works with different versions of PAL, different versions of NTSC. SECAM + ME-SECAM (Middle East SECAM) It was built in Germany, and when bew the price was extremely expensive at almost $2400. Failed within 6 weeks after purchase, and SONY Australia had to import another Mainboard that took two months to arrive. SONY were not generous enoug to provide a temporary replacement suo that my daughter then age about 9 could watch TV. Neither would they deliver the TV when SONY eventually repaired it (Of course still under warranty) When it failed again within the warrant period Which I demanded to be extended, I repaired it myself (Having studied Electronics engineering and working for PHILIPS) I like SONY products, but their customer Service is in Australia is worse than FIAT CHRYSLER or GM. Truly pathetic. Anyway the TV still works, so it sits in the Garage married to a 'STRONG' Digital SetTop Box [DSTB] Even the TV Stereo Audio Amp and speakers are better than on some Digital TVs in the emarketplace today.. Perhaps manufacturers do this deliberately only to sell add-on speaker systems, amplifiers and Soundbar. Very Cunning. I am very familiar with the PAL version of the model discussed in this video presentation.

[@irtbmtind89]

@@andrew_koala2974 My grandparents bought a Trinitron of the same vintage right before they retired to replace their 1970s Phillips console (which I believe was a Magnavox product rebranded for the Canadian market). It was quite an expensive purchase for them at the time, it was built in the Sony plant in San Diego and gave an excellent picture. Unfortunately the tube developed purity issues within 5 years and they were advised that a repair would cost almost as much as a new TV so they junked it.

[@TheTW11]

What a luxury having the circuit screen printed on the solder side. So much easier to work on

[@TheTW11]

30 years ago I started my career in a JVC factory that made VCR's. All the PCB's were printed on the solder side. Just a consumer product - nothing special. Today I work on equipment that costs >1 million......but no screen printing on the solder side :o(

[@mrb.5610]

Wouldn't mind seeing the CRT tester across it to see what a decent picture bulb looks like ....

[@jdla140]

I think Trinitrons typically don't like tester/rejuvenators, and will act different than a normal shadow mask display with the tester anyway

[@olradguy]

That Vert. B+ cap. has always been a problem child in these vertical circuits not just on Sony. I believe when they open it allows the high frequency ripple into the circuit because the B+ is derived from the flyback and that causes the top fold over and the high freq. ripple over heats the output transistors. You always must check all caps when you have vertical issues as bad ones were quite common. especially Nippon chemi- con brands, then we're so bad I wouldn't even buy them for replacements.

[@xsc1000]

No, this is just typical Sony fault caused by design. This is not standard B+ cap, that is in other position. But B+ for vertical out is fed through 2 diodes (the small cap in middle put H pulses there) and after the second diode there is just low capacity (1,5uF) cap on collector of power out transistor. This design enables to raise voltage on transistor during vertical flyback interval when is needed, but run on low (B+) voltage during the visible part of frame. It reduces power loss significantly, but this cap is heavy impulse loaded. Its clearly visible when you put scope on it.

[@jrs0007]

@@xsc1000 Nice analysis - that explains the 44v on the Q571 collector. Shango066 actually found the problem early on when he only measured 24v there. I would have liked to see the scope trace as it would have probably shown the unfiltered pulse that caused the chain reaction failure. But not to find fault...I've been there & done that many times myself. I respect people who admit their screw-ups and despise those who always blame others.

[@metalmanin]

Looked like it was loading down the circuit to me and causing the transistor collecter to ground out and burn then up

[@xsc1000]

@@metalmanin No, there was not excessive load. If this cap loose capacity, you get about 100V horizontal pulses on collector. So transistor was destroyed by high voltage, not by high load.

[@livesteam]

My first colour TV was a Sony "Trinitron" just like that one ... it has been workin OK for 9 years, and suddely one day the only colour I got was green, everything turned green ... It was too expensive to repair ... so I bought a new Sony TV ... I have been faithful with Sony up to today ... Their TV's are expensive but boy what quality, what picture ! ... And my HIFI components are Sony too except the turntable which is a Lenco

[@badescuandi985]

Finally a real Sony TV say hello from Romania 🇷🇴🇷🇴

[@postualin6551]

Hello from moldova;)

[@waltschannel7465]

Take a bow on this one! I remember when these sets first came out, there were plenty of magazine articles and books written about how difficult they were to repair. You did an amazing job on this one!

[@rayoflight62]

The European approach to design of high voltage transistorised circuit was that of keeping each stage isolated from each other. The Japanese made one long DC coupling along the circuit, with use of selected gain transistor and low ESR capacitors, with lot of math in the feedback circuits. The Japanese TVs were, consequently, much more stable and had no thermal drift. The negative side, was that if only one diode in the power supply went bad, it took with it the output driver and the entire horizontal stage, often including the flyback transformer. Vertical failure were much more benign, but as I said the value of the passive components is critical. Plus the Japanese in the '80s, had a problem with their production of Zener diodes and fast switching / high Ic transistors; often the voltage of the Zeners drifted down and the Ft of these transistors fall off a cliff for no reasons.

[@mirsadahmetspahic2511]

Sony and Philips was always something else. Thank you for this vid, remind me of my youth.

[@julioalejandroaldoferrarij6508]

Yo repare de joven adolescente varias veces este modelo Sony KV1512,ya que mi padre lo compro en año 1978 en pais de Chile.Es un excelente televisror por su imagen.Tecnico Electronico de 58 años y con experinecia,saludos.-

[@FantasticF113]

A beautiful piece of electronic engineering - from an era when stuff was made with style and substance. Thanks for the upload! 🙏

[@teacfan1080]

Those sets looked nice when they were brand spankin' new. The designs gave them character. Today's TV's are basically black rectangles. Nice fix, good as new! Now hook up a Nintendo console to it and play Super Mario on it to show the gamer's choice set that it is!

[@sebastianwilmer9181]

That new Capacitor is from Siemens und Halske, Made in Germany ;-) Good old quality stuff. Greetz from the home of Siemens.

[@billybassman21]

I remember this happened to our 1976 Montgomery Ward console TV when I was a little kid circa 1979. The TV repair guys came out around 9 pm and repaired it. It was two black dudes with Afros. For some reason after they repaired it the test switch was pulled out instead of pushed in. When you pushed it in the picture went away. Yes I noticed this at the age of 4.

[@raywilson9450]

That's the TV I couldn't afford. Not just in '77, but many years to follow.

[@davidstart1748]

I still use my Sony KV-2680R daily. Bought new in 1987 26" stereo console. However Sony did warranty the jug in 1988 (went soft). Still an excellent picture. Even the RM-720 remote still works. dave

[@jimdayton8837]

Awesome! We had a TV that was purchased by my mother in 1989 that we used daily until last year. It's now retired from daily use but still works!

[@pedrofreire7035]

"whoa like totally duuuude" great bill & ted moment

[@americanspirit8932]

That was the very best television made at that time owned that exact same model, and I recommended Trinitron too many of my friends and family

[@MyOwnWaySreejith]

A BEAUTIFUL set.... I can throw my Smart TV for this one.... ❤️❤️❤️

[@JasonTHutchinson]

The second TV with the remote is the exact one I had growing up. We replaced around 1997, and it was still working at the time. We also had a slightly newer Trinitron that lasted until 2005. Both were good for gaming.

[@branhicks]

Jordan pier just did a multi part on that same tv

[@teacfan1080]

I used to own a 1996 Sony Trinitron 27" TV that I bought new. Used it up to 2011 when I sold it to a coworker. Was still working just as good as it did when I brought it home. They seemed to last forever.

[@andrew_koala2974]

I also have a SONY CRT high-resolution Monitor when new around 1998 the price was almost $5000 Yes Five thousand, a fortune at that time. The SONY monitor was also rebadged as an IBM. I still have Three 1 SONY and 2 with the IBM badge. They are still better today for Graphics work and photo editing than any widescreen LCD monitor.

[@alanmaier]

We bought one of those sets new, and my mother still has it. Low hour due to being a second set - still works well.

[@MrBillmcminn]

Between Jordan Pier and now Shango066 we have a Sony Trinitron month brought to you by your Southern California vintage electronics KZbin video producers

[@pallsmortion4750]

“The face of health and fitness“, a golden line

[@TheCRTman]

Just finished watching the whole vid and man.... the amount of damage one stupid capacitor can do is mind blowing! Excellent work!!

[@shango066]

Wait till you see the next one of these

[@limasmith5387]

I miss snow on the tube. All this digital signal boo hoo. If I could get snow I knew I was headed in the right direction! Great diagnosis of a very complicated panel. I prefer tubes and old capacitors also. I used to wear rubber gloves fit for the linesman on the power pole. The old days of discharging the picture tube, ah the sound of the arc! The glow of the spark...... memories........from me , an old hack who liked to tinker on sets. Thanks for the video!

[@SilentServiceCode]

This is my favourite unintentional ASMR channel

[@ragnarw.eliansson5299]

Love your casual and honest style of making videos. You do it with no hurries, and yet at the same time cutting out all the mundane time-consuming parts like e.g. soldering.

[@odenviking]

this remind me of my 1997 sony wide screen tv. it was a trinitron and was shy of 20,in 2015 sadly it gave up whith the same roling picture issue. so i had to buy one of those led tvs from samsung. keep up the good work shango66.

[@TheEPROM9]

Trinitron were the best CRT's back in the day, still have a Trinatron telly. I miss SONY of the old days, there stuff was the best.

[@retrotechguardian4393]

What a fantastically clean Tv set, great to see it going again.

[@sting1111]

State of the art back then. Everyone wanted a Sony. The advent of cable tv came at the same time. We had maybe 13 channels then and it was heaven.

[@thecosmologist]

Sony have made some beautiful technology since the 70s.

[@bruceking440]

I worked in a high volume repair shop on all brands in the late 70’s to early 80’s. I was 16 when I started on tube portables. Then all solid state. The most efficient way to troubleshoot no vertical is with the power off. I would use the diode scale on my Beckman meter to check the transistors and diodes. Then use the 2k or 20k ohms scale to check the caps by watching them charge and discharge by experience. Any resistors connected to higher voltages were checked for a change in value. This all done in less than 25 minutes. Replace parts needed and let it cook. Open up another and end up some days fixing 15 sets in 8 hours. Most were portable or table top models. Lightening storms were $$$$. Only had two customers question why a resistor was $2 and labor 75. These were modular sets that would cost $60 for the module and $35 labor so I saved them money by repairing the module. I also made more on labor commission of 40 percent. Also did some on the side. The good ole days for sure.

[@BigDaddy_MRI]

For a second I was thinking you were going to use that coke as freeze spray. My brain is all blorted up. Totally dude. Love your videos!!

[@JPRD2379]

This has been definately one of the best troubleshooting videos I've seen ,that is interesting the heat sink was not there ,hats off to you.

[@cjmarsh504]

Beautiful set that's unmolested.

[@MyChannel-rf8ic]

Love how those Sony PCB's are labeled so clearly and precisely. Both of them look like nice sets.

[@andrew_koala2974]

SONY not Sony Take a look at the SONY badge, You are clearly not observant In fact all CORPORATE names are in the ALL CAPS. As is your CORPORATE persona known as the PERSON that im-PERSON-ates your Given name and Family Name .... Which is in Mixed Case letters. The PERSON is a CORPORATE fiction created by the Government for the purpose of conducting Commerce. In effect your identity was stolen by the Government, when your parents signed your Birth (Berth) certificate and thus sold you into bondage. They did not know any better ... They were 'tricked' Now you are being tricked into identifying yourself as the CORPORATE fiction PERSON and forming a "Joinder " between the two. Do your homework and you will discover the truth. The truth will set you free. Good luck, and next learn the difference between on and ON // off and OFF They are not the same although those that do not know use them as the same. Pay attention to what you look at. Good luck and goodbye

[@JoJoGunn1956]

@@andrew_koala2974 Thanks for being so anal. We'd all be lost without you.

[@djsonic6533]

I love watching these videos. As a Trinitron lover I love watching these being fixed

[@chetpomeroy1399]

Excellent video, Shango! Just as I remember when they were new in the 70's, those old solid-state Sony TV's were *beautiful* sets! Even looking at the chassis makes me think of it as artwork! Japanese manufacturers really took pride in the goods they produced in those days, and it shows! Contrast this with the bilge that's being shipped from Red China right now.

[@branhicks]

I've been following since the beginning and love all of your content but I thoroughly enjoyed this one. This is my generation of electronics

[@theannoyedmrfloyd3998]

May Radio Guadalupe never cease broadcasting.

[@Rfk1966]

Drool-worthy one there. Best set available in ‘77

[@andershammer9307]

Common issue with Sony Tvs is they won't work right with substituted parts. I put ERS subs in the vertical out of a Sony years ago which gave me a full screen but scan lines were missing.

[@cat-lw6kq]

Some parts like horz output transistors best to buy Penn parts.

[@danielyazbek9910]

I love coke with coffee, but here in Brazil doesnt have vanilla and the can is muuuch more smaller! Nice tv set! Awesome video!

[@carloselirodriguesramos9516]

wow, this tv is perfectly preserved, it's really beautiful, i love analogue electronics 👍🏼

[@billgillman]

shango! Q571 got killed by a high voltage spike that exceeded it's 160V rating. The 1.5uf cap is part of a boost circuit. The 23.0V supply is boosted to the 44V collector voltage with sharp narrow retrace pulses from the flyback. If the cap opens up, the spike don't charge it, they move on and zap the collector of Q571.

[@davepike6170]

Excellent work and educational video as always, thanks Shango066! Solid State isn't my Forte either, I definitely struggle.

[@janosnagyj.9540]

Damn! This was so far the best picture quality set and the only one we haven't seen some actual TV program... :( Even the convergency was spot on, perfect colors... you might post a little follow-up with some news shown on this one, huh? :)

[@acefeeley9007]

Real beauty!

[@davidsonkofi858]

Chief TV repair technician

[@djmips]

Nice one. Quite the story this time. Well you go through some pain but we enjoy the adventure!

[@kr4t0sg.28]

Absolutely gorgeous. I have a 1990 sony trinitron that still works like new. I even have the remote. To be honest i love yours more due to the actual switches.

[@MajorCadence]

That high ESR low capacitance cap was probably failing to filter stray high voltage pulses and that's probably what killed those lower 60V transistors.

[@glenwhatley4125]

Fun to repair, fun to watch having been electronic repair tech back then and probably the best color CRT tvs of their day, but i frankly can't imagine sitting watching 480p on anything esp of a VCR tape (blecch!)...gamers desire makes most sense for older games from the 80's.

[@skuula]

I got sick, but Shango and Mustie1 saved my weekend.

[@godfreypoon5148]

Is it rona?

[@skuula]

@@godfreypoon5148 No!!! I went to test but they refused to issue me a whining permission. Must have been a bad cold after my hike over the hills.

[@godfreypoon5148]

@@skuula Oh well just put on 3 masks at once, use hand sanitizer every 45 seconds and act like every other living person is made of pure plutonium. No whining permission required!

[@davidmorris-jones210]

Magic. We ham radio operators like to dabble. I had the same problem with a couple of TVs in the late 80s, and early, 90s but on them occasions, there was an IC involved. But there's a lot to say about the experience & logical thinking you have, picturing how it works n your mind. I have similar with radio & other RF devices. With that lovely TV (remember Trinitron as a kid PAL versions) perhaps the heatsink was left off at the factory so the set blew & never had much up time so that's why she's in such great shape.

[@PhaQ2]

Woka Cola with coffee is a heart attack in a can.

[@vancouverman4313]

I thought he was going to pour it on the transistor.

[@watershed44]

@@vancouverman4313 Might have "woked" it up. lol

[@moviemania1137]

"Be less white" 😌

[@watershed44]

@@moviemania1137 Glad that Vlad is probably one of the biggest advocates for white Europeans left in the world, he said NEVER to the NWO. Thanks Vlad.

[@wongway40]

enjoying watching this, as an old school analogue alternative to Louis Rossman's repair videos

[@rickmartin6817]

This brings back memories of when I used to work on consumer electronics. Now I work on broadcast transmitters; they are easier to fix.

[@gregraymond428]

Damn mate, I see there’s a few bobs worth of copper wiring in them old TV sets. But a very interesting vlog about how to fix them. TV originally started here in Melbourne, Australia way back in 1956. We didn’t get colour TV until 1975. We got the format wars between Betamax &VHS Video back in the early 80s. I preferred Betamax to VHS but we know what happened.Laserdisc movies never took off here. I got my first Pong TV game in 75 I think. The future had arrived I thought.(Ha) Got my first CB Radio ( a Roberts Brand 40 Channel A.M Job) in 73 I believe. Damn those were great times. Enjoyed this post. Great Job.👍🇦🇺✌️😁☮️

[@shawnstthomas4811]

Nice set! I have 2 of the KV-1510 variants. The model before this circa 1973 to 1975. Econoquick is not instant on. It was a gimmick by Sony. Wierd thing is, the models before that did not say Econoquick did have instant on. Econoquick was simply quick picture power up, from thier new style heater and cathode setup that makes picture come up quicker. At this time Sony knew instant on was killing CRTs.

[@dindog22]

the knobs on those old sets look so high quality

[@fujifrontier]

Everything about those old sets Was HQ

[@RetroGamePlayers]

This was my TV growing up.... wow the memories.

[@ForgottenLore]

Amazing to see your process in fixing these old devices, I learn an awful lot. :)

[@tiporari]

That one made you work for it :) Recapping is not troubleshooting, but... it does help because even one bad cap somewhere in a set gives undesired operation. If you are going to fix everything in a set and keep it for yourself... I just do it anyway. Helps pass the time. Any good caps I pull out go into the tinker parts bin.

[@draftwood]

My grandparents had one of those as the "downstairs tv". I recall that it had a sharper picture than the Big Magnavox in the living room up stairs.

[@t0nito]

Out of curiosity I would have liked to see if the transistor heats up as much after replacing that cap.

[@tiporari]

I bet it doesn't. Gotta be excess voltage or current. Couldn't see the schematic, but that cap had to be affecting the oscillating of the circuit negatively with the roll over at the top or complete loss of deflection. I bet an oscilloscope on the vertical section would have been interesting especially when it was going horribly wrong.

[@aerotro]

I used to fix TV's years ago, it most likely will not over heat with the new cap, the problem transistors are prone to is excessive surge current, when a pulse (none smoothed) ripple shocks the transistor to death by high voltage spikes. A capacitor keeps the voltage and current within the transistors operating range. Transistors are not very forgiving when pulses exceed their surge tolerances this is why data sheets always list maximum surge current, if the surge current exceeds what the transistor can handle it goes into thermal self destruction and pop...

[@markanderson350]

When those caps go, it dies run hotter. Agreed, always fix your foldover.

[@fredfabris7187]

I laughed hard when you complained about how butched it was😂😂 I been there too often. Great fix! I appreciate the honest portrayal 😎😎

[@sonyajones]

Great video! Thank you. I have a couple of Trinitron tv's from the same era, but they are still working fine though may need repair someday.

[@badass4226]

That's the reason I watch your videos, real world diagnosis !!! Thanks

[@Silvertone58]

Econo-quick is a form of instant on, however just a small amount of voltage is applied to the cathodes.

[@andrew_koala2974]

The problem tere is that the HEATER is always ON but at a lower voltage. Never did like that idea, it caused premature CRT failure as one would expect.

[@andrew_koala2974]

First thing to check is the Vertical Oscillator, no point fiddling with any presets. Then work forward to Vertical output stage from there. As you already mentioned this is a very common problem in all CRT TeleVisions followed by Horizontal output failures coming second, and Audio Output next. lastly failure if IF stage. Rarely does one have problems with the Deflection yoke Problems with the turret tuner are also rare

[@1marcelfilms]

Really beautiful tvs with the woodgrain and they are color tvs. Would love to have one of those

[@helmutheller1538]

Made in Germany! :-) Siemens und Halske capacitor, he he. Will never break :-) Greetings from Germany!!

[@MrManniG]

Naja... Ich kenn da eher den Spruch: Muss es funktionieren oder darfs auch was von Siemens sein?

[@helmutheller1538]

@@MrManniG He he he ;-) As much as we Germans like to badmouth our "big players" (like Siemens, Grundig, etc.) I think they really were not THAT bad. Yes, they are not "innovation powerhouses" but some rather simple things (like these capacitors) they got right (after many years, he he). In that spirit, I would like to cite another saying: "Aussen pfundig -- innen Grundig :-(" ;-)

[@ryan61384]

Time for Shango to start his own low powered TV station where he shows nothing but repair videos from his KZbin channel. If he wants to the videos can be dubbed in Spanish.

[@Blueyzachary]

This is the kind of Trinitron I want to have for my VCR!

[@bombasticbuster9340]

I have to admit, when you changed the last transistor; then the deflection went Velveeta, I uncontrollably burst a laugh. LOL. Like always , you find the fault and do ingenius repairs. Never say you are stupid. You travelled the paths until you found it. Greeting from Fayetteville, Arkansas.

[@bones007able]

You need to get one of those blue ESR testers ..... that thing has saved me hours of troubleshooting...

[@lesliedymond9484]

Well done sir you fought that one well. I always had a battling with Sony Trinitron. I always replaced with Sony parts in the day. It's a different score now days well sir. Interesting video thanks

[@Whiteboytripping]

“Low hour” because back then people went outside to play.

[@devynmac7481]

This is the internet, the outside is a myth.

[@Whiteboytripping]

@@devynmac7481 🤣

[@denniseldridge2936]

Well if I'm not much mistaken, this is the very set my dad bought back then! I seem to recall that it was the state if the art at the time; I'm not much on vintage televisions (I'm a huge fan of vintage audio of the period though), but this is probably one of the very few I'd nab for my personal collection.

[@TheGuitologist]

Where my heat sink at!? B---- better have my heat sink!

[@mstecker]

The green gloves come out for the unruly cases.

[@markanderson350]

My Heat sank when I saw this one.

[@madhusiddalingaiah5301]

I had a feeling the TO-220 transistors were not the problem and should work fine. The vertical is low frequency, so just about any transistor that can handle the voltage and current are adequate replacements. The vertical foldover was probably due to some ringing that was going on. Another great fix!

[@dotmatrixmoe]

My humor is terrible. I laughed when he said "1977", and kept replaying it. I laughed for 5 minutes.

[@trainman4763]

A set like this reminds me of those cheap hotels I ended up occasionally, the name of the motel was burned into the case so it wouldn't get stolen, lol

[@LaLaLand.Germany]

"Totally Dude!" served a good chuckle, I dug out an old kv1310e that is funky, I want to revive it after I watched You fiddle with several of this kind. I just wonder if the "e" makes a difference since we run 230V. Legend has it to get around Pal licensing fees they made it so it internally runs ntsc- what a crazy contraption. Hope it´s just some caps, it´s a nifty little set and just one year younger than me- that´s why I want to revive it.

[@OldSonyMan]

Thanks for the Sony content, it kind of makes me happy and dream of fixing some of my broken Sonys ! I'd still watch even without the sexy Sony minxes ! ! !

[@KC4RAE]

After July 13, all of these analog stations must cease transmissions. We have a channel 6 TV station near Nashville (WRTN-LP in Lebanon), but it is a real TV station and not a Franken-FM.