This was a hard one
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- เผยแพร่เมื่อ 17 มี.ค. 2019
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My method: On the DMM diode scale, check forward and reverse probe polarity the diodes, and the switching MOSFET, and it looks like the MOSFET switching transistor is shorted, and the fuse blew. Replace the MOSFET, diode(s) if bad, the PWM Controller chip, and the fuse! Then the whole unit should work! No more wires and substitution of power supplies!
Sorin is the multimeter king. I'm beginning to believe that the Creator the inventor the founder of the multimeter can't even use it as good as my man Sorin. I learn something new every time I watch him do what he does best solve problems totally through electricity basically the man's a genius
Wow. I see what you mean.
Its a lott of people that think this is dodgy. But if it has to work to day i think this is the only way. I have learned so much from you.
Edits NO, raw vids YES.. I never get bored on his videos thats a mystery...
2 hours+thats longer than War & Peace movie!
ikr same here
Lol, same here. Loving all his vids man
And that's how you find the defective part in seconds...Light it up!!! Thanks for keeping it real Sorin!
This is absolutly not for a beginner. Respect. Thank you for sharing.
Bravo Mr Sorin you over come on it again ! You deserve to work with manufacturs in conception of they devices
Flashing timer on those Pioneer micro-systems means it is activated short circuit protection or some power rail is missing. Pioneer say that they have code for every type of flashing combination.After repair,flashing timer on some models keeps flashing and it is just needed to reset the unit with combination of buttons. Power + play/stop or Input + >> but that combination is maybe not possible on this particular model.
dodgy is not a word i would use ..the word i would use is innovative... that describes what you do with ypur knowledge of how things work and a method to keep things working.. i think the owner is happy to have it back working rather than the power saving feature the manufacturer put in as a selling point..good work Sorin...
Looks like I'm watching a Sherlock Holmes movie... "Elementary my dear watson!"
Best video so far!
:)
Good to see you back again Sorin , been missing your ingenious adaptability and broad knowledge based teachings 👌
love the fact you still strip wires with your teeth, great work once again, its a delight to watch your way of thinking through problems
Nice job Sorin
This video will be a reference to all persons who fixes electronics
And that magic chip will help us in modifying all kinds of power supplies
That was 1 brilliant fix, and no schematics, well done Teacher.
proper electronics...understanding of circuit...it reminds me of a music amp i bought...100 pounds below value as i needed to buy and put 2 chips in it...it was not fully assembled by accident.....
my sister boyfriend took my amp while i was away and went round town telling everyone how he fixed an amp due to his electronics skills...and he kept my amp....
i only found out when my old amp blew up and i went to collect my brand new amp that needed the 2 chips and it was gone...i was livid.
I"m so glad that Sorin is so entertaining and fun to watch because i don't understand a damn thing he was doing! HEHEH. Until he finishes his beginner electronics classes, i'm not aware of all these different procedures he performs. Great video otherwise.
He show how he is repairing electronics, not training others, you have understand what is he doing if you have already repaired 1,2 .. switched mode power supplies and understand how they work.
@@user-ug9nn then this is not any electronics repair school ... because what kind of school is this where they don't teach anything? ...
I love the knowledge you share with us thanks for another great video.
Nice vide Sorin. I really love your approach: keep simple, keep cheap, keep your brain!
Thank you for sharing your knowledge Sorin. Very interesting and educational video. You're a legend!
tell that chip smoking is bad for him :)))
The end result is it works and it is safe. Perfect repair work. Nice one Sorin!
This is practical thinking outside the box, more people need to get out of the box & have a look around, you don`t need gloves to give it a go,
Thanks Sorin, one of your best yet, we could see your brain ticking to come up with a solution & you didn`t disappoint, this is old school electronics in a modern world :)
Sorin is genius like Doctor Frankenstein. Some love the monster, some hate the monster, but ALL are FASCINATED..
WoW! definitely an intricate repair! Thanks Sorin that was an amazing ..........
Even with your new power supply's with using the mains one wouldn't it need that fuse and relay. Fantastic shows Sorin......
this is a real troubleshooting. lots of respect. 👍
Nu pot sa cred ca ma uit de cateva zile fara oprire la video-urile tale si nu mi’am pus intrebarea daca nu esti cumva roman!!! Foarte tare ! Tine’o tot asa... putini electronisti mai sunt in ziua de azi...
Svaka cast majstore..od Vas se ima dosta nauciti..hvala za ove video edukacije
Another great video from which we can learn many new things! Thx Sorin!
you are a very clever man, love your work, all of the best to you
You are amazing.... Great work. Love that mini-amp.
I have looked on some of your videos, And I really like them, you really do repairs, and I like the simple ways you do it. I just do repair for myself, and always go on the opposite side.
1. That circuit (the relay) it was made to switch off the transformer from ecological point of view, low power consumption, the transformer and circuits that power it (sorry if I am wrong I have not look to the entire movie)
2. A repairman can't be smarter than a good engineer, so the repair should be done to the initial design specs, otherwise is not an improvement it is an improvisation.
3. Improvement is done to compensate cheap manufacturing, where from the engineering it was design to low quality material (par example low quality caps or inferior capacity) and simpler design with shortcuts (like missing voltage stabilizers). For this device and Pioneer in general is not the case, as is not Chinese and neither on the cheap side.
Both we are from the same country, so I understand the way you work and I appreciate showing you your way how things are done.
I also have a DVD player with similar PWM chip blown (TNY267 if I remember correctly), but I will go the right route, order same chip, and make an improvement add a power button so DVD will not be powered at al if not used. This is the issue with all devices plugged and run in standby, if chip inside is not designed for a lifetime, thy high voltage and continuous pwm will short it.
Ce roman de valoare,imi place cum lucrezi tine-o tot asa ,succes
Thank you for the lesson!
You are a genius. Great job.
Such a skilled person. Awesome.
I don't think there's any issue how you fix it, as long as it's made aware in some way. Or the price represents the job. Customers won't understand anyway so like I said ? As long as it's sorted out in some way that everyone can understand... I can't see a problem👌
Great work as usual
i have never in my life binge watched a TH-cam channel , But this one YES great Videos you remind me of me working on stuff. use your brain and anything goes even if it means redesigning the circuits to get it done great job . might want to try a filter cap on your output on that small supply
Of course it is easier to change the chip, condenser and diode,fast and simple measurement of several elements but then we did not learn anything - right?
Great and helpful clip - thanks
Thank you for the experience , Mr.Sorin :-) You´re very good teacher! Never give up! :-)
Can you anytime make a video about different soldering wires ? Whats the difference? What are you using?
The veterans move, of electronics..
I like your style, what you said its completely true, maybe 80% of the world its in poverty and its very difficult sometimes get spare parts from ebay, etc. I am in argentina, and i can order on ebay or china, but takes months and a lot of papers to get the stuff here, so for the client is not fast if i work in that way. So i am doing like you, taking spare parts from where i can, i think is good becase we recycle and is good for the environment. My channel is on spanish feel free to take a look if you want to do it, saludos!
Lol I found you a week ago..u are really entertaining and enlightening
This optocoupler trick to find the output voltage is really cool!
Thank you for another great video! I like messing with stuff. I love to least least try to fix broken things I have at home haha (or improve them, which sometimes I like more!). And you teach us how to fix them (provided we have some knowledge about this stuff). So thank you so much!!! I'm learning very cool stuff here... I'll stick with the channel 😄. See if I have time to watch some lives (not sure, but would be interesting).
A thing though. When the small power supply wasn't working, maybe you could have checked the current? The voltage could be the same, but it could have dropped the current, maybe? Or that doesn't usually happen? (Or it can't happen at all because of the power supply or something?)
At 56:42 I thought Sorin will say: We failed badly because you didn't say I'm doing wrong! :)
thank you very much sir giving good thinking knowledge to improve my self confidence watching all your videos once again i very thank full to you sir
Welcome Back Sorin!!
Great work Sorin, it was a hard job but you did it in the end :) Can i ask what is the camera looking down at your desk, it is good quality.
O treabă bună Sorin, poți rezolva orice.
Thanks for another great video, worth that 2 hours of watching to see the Pioneer logo which means it's working :D
see you later Sorin ! Thx for your modifications you are a real thinker , a true hacker..!
43:12 - Sorin, I couldn’t tell if you were licking your soldering iron or smelling the burning flux.
Completely brilliant. Damn.... you are awesome.
Yes it is hard job, but was great seeing you adjust the whole switching power supply :)
you channel is awesome ive learnt somethings thankyou
my hero brother and father , hello ,many thanks i have for you . you are my teacher ever since now. please tell the way how i start business and shine the knowledge i got from you...may almighty give you long live
excellent substitute......but one thing what did you do to get the device turn on in the last....your small power supply 3.3v was not working earlier....but what happened that it suddenly started to work??
Dumnezeule!Sorin, cat te complici, repara circul ala de sursa si nu mai modifica schema.
Sorin, Somehow i think you will be buying more of those higher powered buck/boost modules :-D.
It is naughty, i'm not a green learner, But "You have to do, what you have to do".
That p.w.m chip is an oddball, "Unobtainium" lol.
Nice job!
Love the attitude.. let's do this :)
I called out the 3.3v standby trigger like a computer's supply
I like the opto-coupler trick for identifying unknown rail value -- I'm will try on a supply from the bin.
How comes you can solder a live wire without shorting it?
Isnt the tip of the soldering iron connected to the earth ground? If you touch a live wire, it should short the powersupply, not?
Nice work around! What was your final trick to get it work?
When he bit that wire, he became a legend.
You are amazing, we love you
Sorin can repair the Satellite in the Space, give him one Multimeter and Soldering Iron. 👍👍
you are the best Sorin thank you for all your videos , um really learning a lot from you .A generational changer
I hope not he's a cowboy hobbyist I hope you don't learn a thing from him ,if you want to be in the electronics field then study and learn don't follow this guy
Hi Sorin, I really enjoy and learn from your videos. Do you think the problem could be solved if the diode was identified earlier and you replaced the diode and the fuse? I am wondering if the part you connected 30V to the supply and saw smoke from the chip , that was the point the IC burned, earlier it should have been working since the short on the supply burned the fuse.
gat1994 hi, no, not the shorted diode burned the fuse, the shorted hv chip burned the fuse! The chip was shorted from the beginnings, thats why i came with 30v on a 300v power rail and the chip was smoking.
The chip ICE3BR0665J is 3,69 GBP on Ebay.
6:23 "This will be an easy one" , meanwhile title says "This was a hard one" :))
Ha ha, yes, indeed, how wrong i could be sometimes :)))
It was hard because he chose the hard way, the simple way it was just to order for the replacement chip. I think he does not like to wait, so he try to do it with what he has.
I would say tricky one!
I have used those cheap chinese adjustable switching power boards and they have all failed not long after installation. Hope you have better luck.
Sorin: I have no idea what this is
Also Sorin: **diagnoses and fixes it np**
What did you alter on the new 3.3V supply board (something with the wiring) shortly before the end of the video when the unit began to work?
We are at the same page, two thumb for you.
Lunea nici iarba nu creşte........tocmai am realizat că sunteţi rommân şi nu unul oarecare,vă mulţumesc că ne împărtăşiţi din vasta dumneavoastra experienţă,BRAVO !!!!
"I can come back and replace the chip.... but I don't want to." :D
He is so right about this ,ı mean who can really find a power s. board or that chip ,lets say you found it you have to wait months for that and they sell whole and there is shipping cost and all ,it is good to learn improvise soon so you dont have to rely on standards and think out of the box- he just spend 4$ on that and probably it works forever and error free.
@@davianceable you just have to wait two days for the chip order from a site like tme.eu (the chip is not a no name Chinese chip - We talk about Pioneer), and you can order even one (depends what you order). I agree with you with thinking out of the box, but we are no more in communism, today we can find what we want.
Your prices seem very reasonable, where are situated in the UK?...
many thanks, sir.
Yes what you did speaks volumes for the elections repair . In poorer counties access to parts is hard or next to impossible to obtain .
It’s not a dirty repair to me , it’s using your knowledge and skill to repair something that would have been dumped a long time ago . 👍🏾👍🏾👍🏾😎🔥🔥🔥🔥
Sorin, great video as usual.. i bought same mini switching power supply to repair laptop power rail, but it did not work. Do you think it could be because the original driver could not give PGOOD signal?
yes, you have to simulate that signal also
thanks Sorin @@electronicsrepairschool
is it best to simulate PGOOD signal using 3VALW? I tried using 3VLDO and it didnt work it. I am trying to replace 5V power rail. @@electronicsrepairschool
Will be happy if you show us some more work flow videos :)
i second you
@Electronics repair school, Good Job Sorin but why i can ear "Fii mai bun" song from Adriana Antoni? :I
Thank you so much
From my knowledge that big tranformer for the amplifier to amplified the sound signal to speaker.
Brilliant mind and explanation again. Thank you и Благодаря
Hats off ..
Hello, first of all good videos thanks. I have a frameless TV monitor so not very old (2-3 years) a friend left velux open and rain went into base stand where power button and severall other buttons (no essential for TV usage). on a pcb strip connected to monitor via a micro ribbon (5 lines/connections) All I want to do is to get it to turn on. Its been sitting here for a couple years now. Thinking this might be a way of introducing another button. Is there a way I can make a connection to turn on the TV to see if its working? I know these questins are almost imposible to answer specifically. Just jump the TV somehow?
Hi . Please could you help me i have a laptop didn't shutdown. When I shutdown it the screen sleep but light of power and every thing still on until i press the button to shut it down any solution please??????
what and where, to soldering.i hope you can zoom in the pcb of power supply.thanks.
build your own power supli with the small switching ps which you bought
Brilliant as usual
your language and body movement is very nice .
your channel is brain food for me !
I would check the amplifier output to be shure i didn't introduce any noise to audio input stage
My conclusion at the end is that green wire has an intermittent break. If you follow through your connections and voltage apply points you will know why it just starts working. If you move that green wire around a lot my guess is timer error will come again.
Congrats
Those small dc-dc step up board are janky . They sometimes overshoot the voltage (to max boost voltage) when you touch them and of course you fry sensitive logic voltage level circut. They have their place for non sensitive low priority stuff but not sensitive stuff...
Sorin, when will You start Your own school/online course? I'm in London and I want to learn.