Diagnose & repair a unique fault, a hard one! How to trigger power output on a locked battery
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- Опубликовано: 21 авг 2024
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....WOW! How great to have that depth of understanding of these. ... from a 45 year component level technician! - BTW I ALWAYS SHARE YOUR VIDEOS! THEY ARE THE BEST EVER!
It’s really hard that you re working with many different brands and models of laptops every öne has different design hard job.thank you for that Good lesson.
🤗👍👌 exactly what I Had on my tablet , I did what you always do, because I brought a multi power supply like you , and a multimeter, battery was taking zero volt. I had to shake the battery by cells and then became to charge. This is because I didn't went on internet for few weeks and I turned of the tablet for long without charging... For a reason the battery discharge on Android google as if we turn off the button. So these chrome works like that, you must charge it as if you don't use it. I have the same plate battery, only one of the two. This is because I listen to your repairs and brought the material, that I'm able to do it, because I had to open the tablet. Last year I changed the battery wich was dead, after fifteen months non stop well working. So thanks for the video!🙏💚🧡
I add also about my quad-core chinese tablet, working well every day, since two years, became my connected source, having also my phone on it, the USB C port have been made independently from the mother board, so it is moving a little bit, but working well. But this is amazing to be afraid in that way, always thinking the port is dead, and no, it is fine every time I had opened the tablet, thinking this would be why the tablet not charging.. So think this will be useful. I brought a USB charging cable that is blinking red and blue when talking to the S IO, red when charging and blue when no current more. So, imagine when the tablet not coming on, the cable standing blue, the cells saying zero volt, and my variable power supply sending 2amps for nothing charging. So this is a conceptual issue not a material issue. I think this is not either a security, this is a back door on the system wich is not made to let your computer account off the outside net control. They yant you to be a consumer, non stop. Not being so free!!! that you can put for a month you device off without being connected to data they find in domestic current, wifi, 4G, bluetooth triangulation. As turned off, your computer keep sending informations by those ways, so big data knows you anyway, and keep an EYE on you.😵
If you stop this, the sanction is immediate😱, and your computer is dead. Some will buy a new, some will learn at electronic repair school!🤗👌🙏💚🧡
very intelligent solution, thank you very much Mr. Sorin..
Sorin had to laugh , could see the old grey matter working overtime, thanks for the video
The Master is here! Well done Sorin!
Always great value packed videos, thanks for sharing !
On occasion when Batteries fall below a threshold voltage they will no longer take a charge, and the monitoring circuit sits the system down. It can be possible to force charge the battery and get it above the threshold voltage, you'll get some more life out of it... but is a sign of EOL.
Is it possible to force charge it using a dc bench power supply
@@pheneaschiwenga3392 Yes you can do that, but some controllers remember that the battery is bad and will not let you charge it normally again (to prevent battery explosion), so you can only use it until the charge is gone again or you reset the parameters of the charge controller.
Thank you for your chanel, your time, explaining different aspects of electronics and showing how to troubelshoot. I used to follow Louis Rossmann but he stopped doing repair vids. NorthridgeFix seems to be just an advertising chanel for his business, with only simple repairs. Wish you luck in your new business and I hope that your chanel will stay the way it is :)
NorthridgeFix guy is repairing with fault patterns. I have not seen him repair a unique fault.
@@BilimTek26 Not so Northridge is equally as informative you need to watch properly.
@@smdmicrosoldering Not even close.
@@and12an Not even close on what? What are you talking about?
Thanks Sorin, indeed its a very interesting case. Very informative - this one is Noted
Love watching you do your MAGIC
I think the charging light "flashing vs solid" was a hint.
I received a few weeks ago one laptop from a customer. Dead short you'd say as well, but was exact fault. Only I did not go through such long process. I started to unplug things as always I do, and when I've unplugged the battery, laptop has boot up. But yes, this is not a most common fault. I don't remember if I've got a video about that laptop cause I've got too many of them now :D and few weeks ahead as well.
Top left of SIO ...tracks/solder joints looks like they got hot
Tilted 0 ohm smd resister at 18:58 .
You have so much patience. I would be swearing when I would encounter this kind of issue! LOL. 73's de ON7OFF
You are DIABOLIK good job number one for me
Good day master
Watching from Philippines
This is a big issue because in a collapse case, those tablets and computers can't work without battery, this is the case using power by solar panels, wind or Tesla antenna. So we need to know how to pass the battery controller. One thing is to have batteries in reserve and charging a little time every day. But this is nt nrmal that the battery discharge as we turn off le tablet, or computer, that means it never go off.
This was great Sorin
Use your battery analyzer and unlock it and then charge it thrue analyzer to test it.Might as well use it if you have it lying around.
Read the description. Also, this is at work and not his home shop.
@@westsenkovec First he had it at work if you would watch his older videos you would see that. In the description he just says that they are disabling the battery who said that it cant be revived with the analyzer sure it cant it was built for that purpose as well.
It's a one year old video.. see description.
@@diytechspirit914 From memory he has 2 analysers, because he had the old model at work and the analyser maker sent him the new model recently.
@@diytechspirit914 I think I've seen this video before, maybe got deleted or something
amazing
Yeah man! good job.
So informative.
Thank you so much.
Good job mate 👍
Sorin, I think you bypassed the battery protection circuit. It seems very dangreous, battery can be overcharged.
Hey Sorin, check the video at 18.59 minutes, one 0 Ohm resistance not looking good, seems its come off the motherboard
It's OK, this is a poor man's dip switch
I already seen this video... is an old video before you have the Romanian battery analyzer, I think now you can use the tool to unlock that battery
Romanian Battery Analyzer🤣🤣
@@a.z.7193 Swedish steel, Italian shoes, German beer, Swiss chocolate and Romanian battery Analyzer 🤙
If some battery cells have low voltage, you could try charging them directly from your power supply.
Hi I have learned so much from you thanks a lot. With this laptop have you tried unlocking the battery with the machine you reviewed some months ago as it seems like the bios uses the main battery, just a random idea, I think it should be illegal for them to make laptops like this that won't work if the battery goes flat it seems like they have included a chip to stop the battery from charging anyway thanks again.
@Sorin - I've seen instances where battery locking up a device, so now whenever I troubleshoot any device, #1 step I unplug the battery and try to power it on without a battery with charger/AC plugged in
Surprised you don't do this kind of testing
16:23
@@ReeseL4D oh I watched the whole video... I am surprised he doesn't do this kind of testing from the beginning
Thank You Sir
Um simples fio resolve, parabéns
I remember this video from last year what is going on man
Hello, Sorin, great videos. Can you please tell what type of microscope you use. Thanks.
18:25 - Why you use diode mode and black probe on GND?
Convention says diode mode and red probe on GND. Just asking for clarification.
It look like the top left corner of the superio solders went blue indicating they were hot.
The power port on the motherboard, not the port on the small board with power switch, has a broken and twisted pin. I ordered a replacement and installed. I still have no current at this port and battery is not being charged at either port. Can I try to power-up C-433t without motherboard power port?
Sorin you forgot to turn the caption for people who have bad hearing
same for huawei devices
I'm not sure to understand: was the problem caused by a (or few) faulty cell (but the rest of the battery is working)?
Hi! You said you ordered a new battery, did that fix the problem?
👍👍nice to see you
hello mr eng is this bridge over come battary if so the battary is miss and never charge can you explain solution with out bridge
thanks for your effort
Is that a factory bodge 0ohm at 18:58 to save on a transistor?
I think you uploaded this video already Sorin..
In 2021 October 26
Title - Asus C302C dead , a strange fault and design.
But nice👍fault finding anyway..
I’m really sorry, i can see now indeed has been uploaded, my mistake
@@electronicsrepairschool it is okay sir. you refresh our knowledge. Thanx
@@electronicsrepairschool This post will be shadow banned by Communist Google: . . Yes, it's a rerun, but, but, but, it's a nice laptop. 🙂 Sorin, you crack me up when you always say " It's a nice laptop" It does not matter how bad the laptop is, you always say "It's a nice laptop". I enjoy watching watching your videos. Keep them coming.
@@electronicsrepairschool
It's ok.. things like this could happen sometimes..
don't mind about it..👍
@@waynesallee-com Well, it is a nice laptop, most laptops that are not HP Pavilion or c-series or ASUS G-series are nice.
Possible to add own bms board to the cells? Battery gauge won't work but will at least charge and discharge safely, right?
Bms yes, cell is good but 0V on output.
The battery is dead. That’s what the super IO thinks.
Is the battery dead or did the power stay to loo for a long time?
I have a chrome book and same story. Did battery test did charge it fully and did use it for more than 8 hours whiteout charger. So battery is good but the driver says something else.
Asus wants you to buy a new laptop when the battery dies.
Hi Sorin, does the video have sound?
Best regards, one fan from Portugal 🇵🇹
The sound is very clear
@@borvitech yes now is ok, must be something with my youtube app, sorry
Remember !,It is only for your safety.Bad battery may destroy your universe.
Is this temporary or those the laptop also charging? And can be used ?
I ll repair Chromebooks for 39 primary schools, a lot i can fix with a hard reset
nice Information Thanks, sorry my english bad, i have problem with Asus ROG G512LV, i never play game, but to long sleep made my Mosfet VRM GPU 1 Shorted (FDPC5018SG) and battrey died like this video, after replace Mosfet now can turn on, GPU RTX 2060 detected, but n Idle with 20watt consume, now running without battrey, when GPU RTX2060 running 2% Laptop shutdown instanly, maybe same with this case? can running the GPU without battrey, when have advice
What flux have you used for reflowing?
2:00 what is a "frozen super IO"?
I think he is referring to that a super I/O chip runs some simple firmware to change states and have different modes and such, if it cannot change states anymore for some reason then.... I have also experienced similar problems, usually removing all power and letting everything discharge forces it to reset completely, which often fixes it.
@@frozendude707 thanks a lot for taking the time to answer!
Is that like a USB C charger or something?! Weird.
hp mobile workstation laptop, on with battery but with charger no power and charger is good
Hi Sorin, could you see the tickets number 000140 please?
imo it is happening this way these days because of 3rd party battery circumvention. Knock the board out unless the proper battery is detected is an obvious move in my mind.
I hate laptops were everything is soldered to the mother board
What a strange laptop, no cmos battery, maybe it uses the main battery, but its ill.
so it stays off?
Very dangerous, the battery can catch fire
Replacement battery £32 Amazon.
No sound.
No sound sorin
All that effort and it's just a useless chromebook......
I mean - REALLY!! Who on EARTH has Pornography on their login screen?
Haha, this was prolly just for privacy, but let's just say that privacy of customer data is not the only reason serious repair techs usually have the repair stations in another room outside of view, and those that don't learn that lesson the hard way when customers start quietly exiting when the porn, and worse, starts popping up.
@@frozendude707 That time when my daughter was using her boyfriend's computer. She called me up to let me know that she found his stash folder labled "code snippets"
Apparently the love of her life really likes horses. Male horses. Excited male horses. - I screamed "TMI"!! TMI...tmi....
first