You shared knowledge sir. Don't be depressed. We learn a lot from you.
@replaygeorge Жыл бұрын
It's not a pointless video. Thank you. Very good comments on the state of things. Engineers are bossed by sales people, so this is how things go.
@marcellipovsky8222 Жыл бұрын
Take in account that the USB-C contacts have a width of 0.25mm (+/- 0.04) and the most recent specs want to pull 240W over the connection (50V at 5A) good old barrel jack... edit - I just used a wire size calculator and the recommendation for a 50V/5A power draw is a cross-sectional area of 0.326mm². The contact pad has a cross-sectional are of 0.0125mm² (cca)
@therealjammit Жыл бұрын
Not to mention the mating ends have to have a large contact area to carry that current.
@efdawahfan Жыл бұрын
pull it contiously or just peak ??
@marcellipovsky8222 Жыл бұрын
@@efdawahfan Continuous, like when you are charging the battery and playing a demanding game.
@efdawahfan Жыл бұрын
@@marcellipovsky8222 thank you so much ...i have another question for you brother...how much current can a copper strip 5mm x 0.2mm handle ??
@marcellipovsky8222 Жыл бұрын
@@efdawahfan I am no wire expert, but chatgpt says "A copper wire 5 mm long and 0.2 mm in diameter can handle a maximum current of approximately 94.2 mA without overheating. Please note that this is an estimate and may vary based on the specific conditions and the actual temperature rise of the wire."
@apached343 Жыл бұрын
Hi Sorin, Totally agree with your comments on USB-C. Your ability to find the tiny culprit is most amazing!
@mm0077 Жыл бұрын
Thank you for sharing the frustrations we all have in our day to day living. I empathise with you.
@Norbert_Haupt Жыл бұрын
Planned obsolescence! Great video, Sorin - thanks a lot for Your Channel. One of the best 🙂
@d.k.6335 Жыл бұрын
Yes, I totally agree! Our expensive Lenovo notebook was destroyed by a faulty USB-C charger. There seems to be no effective protection circuit to protect the mainboard although a defect USB-C charger should be considered a probable event that shouldn't be able to destroy the whole machine!
@scottmcgowan5953 Жыл бұрын
Thank you so much for deciding to post this video. very informative.
@emmatechcomputer Жыл бұрын
I love your teachings sir; it's really helping me daily with my study in computer maintenance. am an upcoming technician. laptop repairer, i will love to continue learn more from you sir and become expert like you.
@jerseymarco2143 Жыл бұрын
Shoutout My name is jersey marco from the Philippines. I really like your videos. I learn a lot.
@MattyEngland Жыл бұрын
Hello Philippines 👍👍
@warzonemobile5574 Жыл бұрын
When sorin got mad angee you can feel current 😅😅
@simeonmihaylov6123 Жыл бұрын
The current is coming from the electronic cigarette... :D
@christopherjackson2157 Жыл бұрын
I've definitely encountered some devices that use usb-c style ports for power and don't follow anything like usb-c standard Including one device where all the pins were bridged internally into one power and one ground connection
@davidlguerr Жыл бұрын
Well, I have bad news for your Sorin, all notebooks are set to come out from factory with USB-C port 😥The thing is, that not all USB-C ports are equal. Some have through hole pins, others just surface mounted pins. IMO, Lenovo is using the worst kind of ports in their Thinkpad series (maybe Ideapad as well), and they are not securing the ports with some kind of metal bracket, to prevent them from breaking easily. Had a Thinkpad which had lots of through hole pins which were all broken, as the port was not properly secured by a bracket, and worse than that, some of the pads were gone.
@MrHimer12 Жыл бұрын
Lenovo dropped down quality long time ago. Especially their soldering technique at factory and solder material. Today I had Ideapad 330? Don't recall exact number. Customer complaint: black screen, charge light changing state every second. Confirmed that BIOS kept resetting for some reason that's why black screen and long boot time, disassembly time. I tried to remove battery connector with tweezers and just a slight pressure from tweezers made connector completely snap off the board, traces intact fortunately. 2 plus pins had burned solder so they cracked a while ago, rest didn't hold either. Resoldered connector, BIOS keeps being funny but for good measure while it still did read I made dump and I'll replace bios chip for the customer for a good measure.
@pnwijayatilake83182 ай бұрын
@@MrHimer12from your repair experience can you tell me which laptop currently in these websites like MCentre dot LK or Barclays dot LK have support for switching their ssd to 2TB HDD and support 16gb ram upgrade and won't face motherboard issues like we see in this video and many others where dumb design ideas create short circuits overtime. Been trying to figure out a good laptop which has a process with base speed of CPU of 2.5Ghz or more and GPU above 2GB but still not sure since Specs only don't matter now have to watch out for mother board quality above all it seems any help figuring this out
@randyr.parker2698 Жыл бұрын
I understand your frustration Sorin, cars used to be simple at one time, then they had to over complicate them also. It seems to always work that way, over complicating.
@julianpascu Жыл бұрын
Hi Sorin, yes indeed, the world is changing on a trend to miniaturize, compress and complicate everything in such a way that becomes pointless or less profitable to fix broken things, with no or less information regarding the background schematics (in order to give more control to the manufacturing or dealership giants over the supply chain for spare parts, post sales, servicing, R&D & sales of new products or technological generation change), as the worldwide middle man market to restore, repair and resale still competitive products is a multi-billion one that is directly affecting production and dispatching volumes of goods on saturated markets. Even the quality of components is not as before, being designed to last as long as the warranty (but not longer then that) or until the next generation of products is scheduled to be released. Everything is a sales game targeting huge profits in the name of human progress, speculating the modern world desire to have the last minute innovations in their hands at any cost.
@fusion-music10 ай бұрын
"The world is changing.. Greed" - me first! Good that you are calling it out. I have recommended T480 and we bought 5 for staff, but the charging port issue makes me nervous (before I saw your video.) I'm primarily an audio guy and we never like power and audio parallel in an installation. Same with data. Pro audio and video used the always have robust connections (XLR / BNC) ) wired separately to the board, instead of direct to the board. Commerce do not want longevity. But their treatment of customers puts me off brands. This was a worthwhile video, because I wouldn't have checked the other side. This will be handy to some. Thanks.
@cerikamel1218 Жыл бұрын
Hello from Algeria. Thanx for all videos you're making.
@MattyEngland Жыл бұрын
Agree 100%. Complete insanity for the sake of a few extra pennies for the shareholders.
@dreamcat4 Жыл бұрын
the issue with power lines crossing data lines also was known to this industry some years previously with the firewire 1394 specs. but they just swept it under the rug. so in the end i just decided to de solder and remove those vcc pin from all my firewire cards. they were not being used and just a huge risk to inflict damage break the connected device and now they want to run 48v over usb-c. to get the 240w laptop charging
@michaelsiemen1203 Жыл бұрын
Can you please start putting the basic model like you did in this but also put the full model of each laptop you fix in the description? You will get a ton more views long term if you do as well. Thanks. I wish I understood more about how you use the meters and stuff but keep it up!
@law-abiding-criminal Жыл бұрын
So an improvement to the USB-C layout, (to make it more resilient) would be to swap the GND and VBus pins and to put a little additional spacing between the VBus and the adjacent Pins. (So there be bigger protection for other pins to get accidently connected to a high voltage)
@robbie4860 Жыл бұрын
Customer: my Lenovo junk is broken Sorin: I'am too depressed right now..🤣
@georgedone7997 Жыл бұрын
I do not like this trend either. One reason they moved away from round jack connectors is the size, they push for laptops that are thinner and thinner and the round jack was too thick. They could have made a new jack but since USB-C was already around they thought "why not use this ?". People need to punish those vendors with their wallets. When nobody will buy bad designs anymore, they will be forced to improve.
@mhavock Жыл бұрын
Yes, It might be a bad implementation. The USB-C spec says the VBUS starts at 5V (like previous USB), and then the devices can negotiate up to a higher voltage up to 20V/5A. Also, using the wrong cables or underrated cables can cause issues. Maybe they should have added an on/off switch for USB ports from the beginning... 🤣🤣🤣
@Hellhound60411 ай бұрын
Totally agree with your rant. Design engineers should be forced to spend some time in production and maintenance departments in order to realize how their designs impact the guys further down the line. Let me not get started on sales guys and committees overriding good design ideas. And for the guys burning to crap on me as beingn armchair commentator, well, I was a design engineer that spent a lot of time in maintenance and production environments, so that greatly influenced my designs… not saying it was perfect, but I learnt to see things from both a production and maintenance pov.
@TheITMechanic Жыл бұрын
Hey Sorin, Please do not get depressed. We still can feel the pain.
@SmarkDepper4 ай бұрын
Personally, I love Type C everywhere. I'm full of Type-C devices and gadgets... But maaaaan, I don't want it in laptops. I prefer carrying a USB PD trigger with the correct barrel pin instead. Small portable devices are fine with type C, not laptops.
@MrRvdbeek Жыл бұрын
Sorin, Don’t be down by a stupid usb-c port. I understand that. And it’s new and everyone want that. Fast charging. And fast reading writing. But it’s seconds faster not hours. The people want to be faster al the time . And they use the usb-c port. It’s terrible. The sound from my receiver do not have a usb -c port can’t push the quality trough the tiny….. and quality is not what the people want they want to be faster. Sorin thanks for sharing. We love your ways of thinking. Have a nice weekend Greetings from Holland 🇳🇱
@marksutherland774 Жыл бұрын
It's designed to fail, sells more laptops. If people stopped buying laptops with usb-c ports, they'd change back but people won't because they don't know any better. If you look at a Dell dock USB-C connector and the weak solder that holds their ports in, there is no surprise people are going mental trying to get their dock working. I've literally seen Dell laptops where the legs of the USB-C are barely soldered, some aren't. Look at the size and weight, (deliberately made big and bulky to weaken the usb port) it is designed to fail, simple.
@RichardPoogerman Жыл бұрын
I've never had problems with any ports until the advent of USB C. Can't stand them 😠
@aminis1770 Жыл бұрын
Certainly an interesting topic, it's kinda unfortunate that some companies do things solely for money.
@zx8401ztv Жыл бұрын
Sorin You are not the only one that hates horrible designs. :-( Ill keep my old normal laptops, normal usb and barrel power input.
@hedpt Жыл бұрын
Sorry to say Sorin but isn't a pointless video... Companies are just looking for numbers, they dont care about customers anymore. keep the good work. Have a great year
@mrgunn27262 ай бұрын
Totally agree the switch to USB for charging was a rotten idea, I have had nothing but problems with my Lenovo since they transitioned to the USB for power.
@georgeindestructible Жыл бұрын
USB Type C is amazing for a lot of reasons BUT the issue is with how companies use it because it's so open, it allows to be used in a proprietary way because anyone can basically set it up in the way they want it to communicate. Edit: USB Type-C or the new name of it, USB-C, for charging is also a really good thing because i don't have to have every proprietary crap port every company wants to make it different, i can have 1 or 2 chargers (watt depended and not port anymore) to charge/power all of my USB Type-C devices.
@yosef4208 Жыл бұрын
Sorin I am young man but the things you say are so right about the changing world.. amazing to me as I always think humans are so smart and can do anything. Now I don't know what to think 😂
@pausechar4387 Жыл бұрын
One more great video, keep on with the good job, no matter what!
@marcoscaamano4135 Жыл бұрын
you are 100% Right!!
@allinclusive5762 Жыл бұрын
you're sooooo right!!
@ralphj4012 Жыл бұрын
Unfortunately, things are likely to get worse, various mandates will standardise ports used (based on USB C, as far as I know). Not only is mixing high current power and signals on the same miniature connector asking for trouble, so is such a relatively-fragile connector on a device like a laptop (where connecting and disconnecting is likely to happen multiple times over its lifetime).
@danielsaturnino5715 Жыл бұрын
It only has to last past warranty. Its quite clever actually, they made it as intended.
@ctecrwp Жыл бұрын
Sorin,this video is not pointless but I think it will be the most important video of 2023...
@wizteezy Жыл бұрын
Excellent commentary on these goofy ass USB-C charging ports.
@RadimPolasek Жыл бұрын
I absolutely agree with you.
@rajdmohan Жыл бұрын
i have had the similar problem on my company provided laptop, the Type C connector was worn and not charging / powering the laptop, luckily it was under warranty - the service center replaced the motherboard and they indicated that USB Type C port was the issue.
@CoCoNutBob Жыл бұрын
USB micro was far worse in terms of reliability, in my experience.
@comradeyars Жыл бұрын
Well Sorin, if there is an upside to this it's that you and the rest of us repairing electronics will not be out of a job any time soon! That said, I 100% agree with you...
@douglasalmeida6878 Жыл бұрын
Sorry Sorin, but the only objective of the company is the quickest profit and if possible form a monopoly. Respect for human beings is always in the background.
@tvelektron Жыл бұрын
I completely agree, USB-C is a bad and overcomplicated idea for charging. I dont think this will save electronic waste at all. Maybe some cables or simple phone charger... But a lot of devices will have to be disposed just because the stupid charging port is broken.
@petesapwell Жыл бұрын
Couldn’t agree with you more, If I see a laptop come in with usb-c not charging I no longer even look at it, it’s a waste of time.
@OnYourSquare Жыл бұрын
USB C can be complex from a repair stand point. But is God sent for the consumers. Step #1 = 5v USBC IN --> to PD Controller --> (PD) Generate its own 1V8 + 3V3 --> 3v3 to BIOS --> PD Ready to communicate with charger. Step #2 = PD to Charger --> Now USBC IN 20v --> 20v to PD + POWER SWITCH --> 20v to charge IC --> etc... Rather than: 19V DCIN --> Charge IC --> 3v Linear Reg + SMC --> Charge IC = Device ready
@Withoutads Жыл бұрын
Nice job good luck my hero
@daz41262010 Жыл бұрын
great video as always Sorin solution works :) also like you I hate the USB-C port :)
@jimmysmantzas Жыл бұрын
Could also be that the chip is fine, but either the usb-a or the usb-c on the board have some contacts shorting inside them, i have seen that many times, but could also be the chip only or both the port and the chip, anyway nice video Sorin
@repairtech9320 Жыл бұрын
Just like induction stoves... How to complicate the hell out of something that works fine the way it was. The spare parts crazy expensive and pretty much impossible to DIY repair by regular joe. Also, the electronics and power supply come with capacitors that will crap out sooner than later.
@Popeyes66 Жыл бұрын
I agree 100% Sorin .
@therealjammit Жыл бұрын
USB-C really messed up when they wanted to also use it to supply power without consideration for conductor distance and size. Even USB-A had bigger connections and contact area just for the power lines.
@magicyvan Жыл бұрын
Ahaaa loved it ! Thanks for sharing this insight ;)
@stevenv2190 Жыл бұрын
Totally agree. WTF Lenovo - USB-C is the worst thing for charging a laptop. It is poorly designed for attaching to their laptop boards. It needs to be more, say, robust to handle the human factor - they love to abuse the port on the laptop. I have seen so many at work with scratches all around where the charge cable connects to the laptop. Lenovo should have stuck with the square slim charge port from the previous models.
@JunPVlog Жыл бұрын
That's nice tutorial master
@icommandoi145 Жыл бұрын
USB-C was supposed to be used as universal for connecting devices so we don't have micro pico nano kiki diki ports for 100's of different devices and cables but have a standard USB-C cable and port for all devices. It was never part of the original idea to also use USB-C for charging ports on laptop's. This is really stupid and 100% agree.
@dellodel9502 Жыл бұрын
I can't remember why you have ( v ) in screen meter . You have spoke about it long time ago. PLZ explain it in 30 seconde . Thanks
@Droningonuk Жыл бұрын
Trading standards should throw the book at the manufacturers for not standardizing them!
@acalat Жыл бұрын
You are so great Kee going on.
@spimfurt Жыл бұрын
Sorin, there is nothing to disagree. I'm loosing faith too. My domain is software, but recently i fixed old Lenovo T420, the ibm ver. Many screws, each one different, but the inside is clearly ment to be reapired, last long time and peripherals can be upgraded. Everything accessible easily, detachable... Recently i bought one of tesla smart plugs. User is no longer part of the equation. You can't even see usage statistics if the plug isn't online. I mean online, not just connected to local network. User is not allowed run this plug just locally. No, cloud only. And without history. It's stored in plug itself : )
@kissszilard4220 Жыл бұрын
Hi Sorin! Right now I'm trying to understand the USB type C connector and the solutions behind it, for example PD handshake. I'm on it. 13:09 Are you sure that there is voltage at the output of the connector even if no device is plugged in? I don't think so, but I would be happy if someone could confirm or deny it.
@gvctdcgg48246 ай бұрын
There's 5V by default and that shouldn't do any harm. The whole world is using it, think about it... any higher voltage/current would only be applied after proper negotiation. Sorin might take things too far when he's angry, IMHO
@GregM Жыл бұрын
Welcome to CD3215 et al on Macbooks
@K1ZEK Жыл бұрын
Hi Sorin, yes it is crazy. Some new designs may have been made with good intentions but the road to hell is paved with good intentions. Thay can take something good and turn it into a moneymaker. Char up. 73 Leo
@worroSfOretsevraH Жыл бұрын
Have you swapped the hot ait stations?
@rogo73302 ай бұрын
Universal way to bring a freaking 20V to the device (and even between them) is a GOOD thing. You need 20V - you get it, no need to have a specific "nice" e-waste of the charger for specific manufacturer or even worse for specific model since nothing stops manufacturers to tivoizate it. Yeah, probably should have more protection on port that pulls the power in or just cut off data lines when exchanging that much current, but that's not the port issue - Lenovo just makes crap nowadays, as everyone else.
@LordAnubis0909 Жыл бұрын
you are not the only one... i realy HATE THIS USB-C shit that is made to be used with display and charging at 20V with 3-5A.
@Witzkito Жыл бұрын
“The world has changed. I see it in the water. I feel it in the Earth. I smell it in the air. Much that once was is lost..."
@nebarrera Жыл бұрын
no second usb-c, Mr.Costumer can buy a dongle!! hahhaha
@tim0steele Жыл бұрын
I have a new Lenovo laptop with USB-C PD and also a barrel jack, it came with a barrel jack power supply. Is this the best of both worlds?
@fcallum77 Жыл бұрын
Meanwhile I modded my Lenovo ThinkPad T430 to have a USB-C charging port using a ZYPDS trigger board.
@guidoneumann9159 Жыл бұрын
I love them since they provide a secured income.
@LingCh3n Жыл бұрын
is a great idea can plug in monitor mean while charging the laptop, or some power bank can support extra power for laptop. or carry 1 power adapter for many devices, can also plug as docking station with charging. just not easy for repair😅
@armunro Жыл бұрын
I have one of these newer Lenovo's with the USB charging, and it seems mad to me you are going to pull alot of power/voltage through such a small port. Are they trying to defy physics? I notice I can charge using both of the ports; is that is because they expect on them to fail (and its just a matter of time). It reminds me of plastic parts in cars when some years back they used aluminium alloy; now the plastic only lasts a short time before it becomes brittle and uv affected.
@Test-mj7kh Жыл бұрын
i feel you bro.. =(
@paulmendes9315 Жыл бұрын
No usb c is not crap it is meant to be used with phone and laptops with alt mode monitors where you can charge the phone or laptop at the same time you are rendering the screen image to a external display using just one cable. but yes, Sorin this appears to be a side effect of trying to use usb c by engineers.
@IFIXCASTLES Жыл бұрын
I repaired equipment in a fast food restaurant. I usually had to order 3 of the same part in the hopes that at least one would work. Quality.....what quality????
@samson5529 Жыл бұрын
luv this
@el_sturlo Жыл бұрын
The USB Type C design is so good that Texas Instrument felt the need to create the protector chip TPD6S300A. That no one will use
@paulrunell7821 Жыл бұрын
it is depressing i watch techs fixing cars and they need 4 channel oscilloscops.
@inventorOz84 Жыл бұрын
What do you mean what's wrong with the Barrel charger? You are looking at it from a single perspective! Do you realise how many chargers are becoming obsolete everyday? A dell port won't work with HP, and Lenovo ... And there are some 50 different barrel ports! Trying to universalise a charging port is nothing but amiable. It is not just about money grabbing. Sorry Sorin, you are not always right! What are you right about? May be USBC is not the best port yet, it is a step forward... to universalising chargers. I hope you will consider this comment as a constructive one, I appreciate your work! Best!
@Alex-tj1zo Жыл бұрын
Nice one 👍
@theclintified Жыл бұрын
So true, screw the consumer so you can make more money. Its happening in all industries with only few exceptions.
@surgingcircuits6955 Жыл бұрын
Is it possible that having support for PD makes it useful? I think so.
@mcgama88 Жыл бұрын
I think many, many more failure at this feature of port and chip configure. Very curious to hear opinion as new Intel high frequency standard to top of the line CPU release. And, I know and understand this cost will be upper level as quality perhaps and not so much as Lenavo low end rubbish. Will the new Intel chips as power need and game level be solid builds?
@jonnygudman1815 Жыл бұрын
You're right, they remove the normal charging port with an expansive one. No way to understand this crap.🙃
@radius.indrawan Жыл бұрын
maybe someday they'll decide to use USB-C for mains too, because the current mains socket size is, you know, too bulky... who knows...
@lupecampos505 Жыл бұрын
So my i have the same exact laptop with the same problem. If i take out that chip will it work again?
@SidneyCritic Жыл бұрын
I think he was having a bad day, because if the power went down the data lines it would've killed the PCH, ie, it was probably just a chip failure. At least it wasn't a M1 16" Pro, because the chip that powers the on-board SSD commonly shorts and sends 15V into the SSD memory chips, ie, no chance of recovery and a super big bill - lol -.
@ronlevin2339 Жыл бұрын
New Mac studio has the same problem with USB-C port
@SidneyCritic Жыл бұрын
@@ronlevin2339 I bet the Apple chip also comes from the same manufacturer, ie, it's not the USB-C std, it's poorly manufactured chips.
@ronlevin2339 Жыл бұрын
@@SidneyCritic No, there problem is not with a chip, but with a port itself. Very poor design, almost no ground legs.
@SidneyCritic Жыл бұрын
@@ronlevin2339 If it's got inadequate GND, ie, not rated for the current, wouldn't it burn open circuit. This chip shorted like an active component welding together. I've watched close to to1000 repairs, and I'm not seeing USB-C chip faults. I've seen about 200 connector changes, but they are usually from rough handling, ie, USB-C is a bit fragile, but this is my first USB-C chip shorted. I've got the same fault on a USB3 chip on a motherboard, it just seams like an everyday common fault. If you want to know the truth, send it to KEN from CuriousMarc and he will de-lid it and photograph it and tell you exactly what part failed - he can spot components just by sight -.
@FijiLaw Жыл бұрын
Good vid for awareness, i now know
@transformateur9969 Жыл бұрын
The criminals are among us Sorin!
@ss67uk Жыл бұрын
If the port was damaged would removing the same chip solve the problem of not switching on?
@ss67uk Жыл бұрын
The reason I ask is I have a damaged USB-C port and now the laptop will not switch on, could removing the chip like in this video resolve the issue for me
@XantheFIN Жыл бұрын
@@ss67uk Why you don't the port itself? Propably both makes problem. Its all up to measurement like in the video.. testing.
@ss67uk Жыл бұрын
@@XantheFIN thank you for reply, I was not sure if you would need to remove the port if the chip is removed as in the video. Maybe I will try both
@victorramsey5575 Жыл бұрын
Lenovo is notorious for selling crap. The Thinkpad was good in its day, but all newer Lenovo's suck now. I had a Ideapad 3 Gaming, I tried to upgrade the RAM. When I turned it back on all I got was the blue screen saying no op sys found!! We tried everything under the sun to get it back up and running. Nothing, and I mean NOTHING worked. I sold the laptop for parts. Sad.
@renefuller9241 Жыл бұрын
Yes, yes, yes, yes, yes.... It's the biggest piece of crap for charging ports. USB-C is mechanically not strong enough for a charging cable to hang of it. Barrel Jacks are the only connector for it's size that can take the stresses of a charging cable. When I get a laptop with a USB-C charging port I buy a port multiplier to take the stress off the C connector.
@ironman8257 Жыл бұрын
Iti fac tie de lucru 😄 Poate cu valul acesta de right to repair oamenii iti vor aduce electronica ''sticata'' iar tu cu shemele deja accesibile si componenete interoperabile vei trai mai usor
@westsenkovec Жыл бұрын
The point of USB C wasn't to use dongles. It has many benefits but the particular reason for integration were EU laws that stated that electronics need an universal charger, USB C, but the protocols and specifications weren't mentioned. I believe some manufacturers intentionally implemented their protocols to force you to buy their chargers. On paper they obey the law by using the port but the port doesn't communicate with your other charger.