Laptop motherboard repair 3V/5V power system circuit | 3v 5v laptop ic
HTML-код
- Опубликовано: 8 сен 2024
- I can help you fix your broken computer for free:
Via WhatsApp and live videos on my Patreon page (join me using the link below)👇👇👇
/ electronicsrepairbasic...
Note: this video was made at the request of many of my faithful followers, asking me to create a group on WhatsApp to solve their problems directly.
*********************************
*********************************
My Facebook Group:
/ 723491633169505
My website:
www.prospace20...
To support the channel👇👇👇
✅Donate: paypal.me/ERBA...
How to diagnose & repair a Dead laptop motherboard course👇👇👇
www.prospace20...
Buy Repair Tools👇👇👇
northridgefix....
Microscope
Voltage Injector
Programmers
Reballing / Stencils
Repair Tools
iPhone Cases
Soldering
Soldering Equipment
Storage / Rack
SMD Books
Tempered Glass
Test Tools
Components
Donor Boards
Gadgets / Accessories
Ports / Connectors
Tweezers
Adhesive
Apparel
And much more
First of all , i would like to say thankyou for your informative tutorial video . specially you have explained it with picture and symbol on the schematics and mainboard as well , it was very useful . thnx
Glad it helped. Thank you
Thank you
I replaced a charging socket for a dell computer as you know on a dell computer there are three ports for the electrical socket one negative one plus 19v and another one for the 3v charger ID and by mistake I connected the 19v to the command of the 3v battery I got confused between the ports and since then the computer stopped charging the battery and even when pressed with the charger it only turns on with A battery that I charged on another computer. I would love to receive an explanation of what exactly happened on the board and how to fix it. Thank you very much. I really appreciate your lessons. Thank you for everything.
Hi There,
What happen exactly is you inject by mistake 19 volts instead of 3 volts, and because in any circuit we have protection components against the high voltage, one component was blown out (it could be a fuse or a diode or something else ). So inspect visually and using the multimeter all components next of the battery connector in both sides.
Good luck
Hello thanks for always making good and educational tutorial videos, And please can you demonstrate on how to inject voltage on the 19v ,3.3v and 5v sections using the dc bench power supply when they are shorted to ground
Noted. Thank you
Hello there , your explanation was very clear & useful , specially with picture, kindly upload more like this video more , please make a tutorial video about power management ic how to check and test with multimeter that is it short or not !!
I will try my best
You are a very good educator! ERB is a fantastic channel as are your explanations and tutorials. Thank you VERY much for taking the time to share this...
You're very welcome!
Thank you for your video. Can you please make a video where you explain how charging circuit (if BQ charging IC ( made by Texas Instrument is used) works? And also give some troubleshooting hints?
Thanks a lot
Great suggestion! Noted
love your videos, could you do a video on ceramic capacitors,that are bad on a motherboard you need to replace, that have no markings,and how you would go about replacing them,thanks in advance
Great suggestion! noted, I will.
Thank you
بارك الله فيك وحفظك من كل شر.
Thank you
Impressive vidéo ! always clear and useful. I follow you from France !
Happy to hear that. Welcome Pascal.
Thank you
Great video
Glad you enjoyed
Thanks very much sir 🙏🙏🙏
You are so welcome
Thanks you for this Helpful videos as Always.
Glad you like them!
Good explain sir....
Keep watching
tx sir informative video
So nice
Very educating keep you the good work, sir. Please can you make a video on how to check 3.3v and 5v without a schematic diagram? Thank you.
Ok. Thanks
Great video,learning a lot 👍
Glad to help, because you like schematics, I advice you to watch the last video that I uploaded (Short circuit repair), you will love it.
Good luck
@@electronicsrepairbasics_erb I have and great video it was, I was only thinking there will be times when you can't get hold of the schematic, as I have a old motherboard with lots of ceramic capacitors with no value markings on them,👍
Once again an excellent video. Thank you!
My pleasure!
Thank you sir
Welcome
Hi friend thanks for the informative video
Thanks for visiting
Very good, can you inquire? Can you explain the motherboard of a surveillance camera?
Noted
Greeting , at 03:49 What does this chip ( power management ic) do on the motherboard? Is the 3V and 5V voltage supply on the motherboard? if yes how to know this chip is short or not ? thnx
That IC is TPS51120 (3V/5V controller) .I will teach you how to to test it using the multimeter soon.
@@electronicsrepairbasics_erb I'm looking forward for your next video about it
@@electronicsrepairbasics_erb thankyou
Great thanks keep it up (:
Thanks, will do!
Hello, What is the different between these voltages:
10.SYSTEM POWER(P1V5)
11.SYSTEM POWER(P1V05_M)
12.SYSTEM POWER(P1V05S)
Thanks sir, what is the function of the inductor in this circuit?
Faltering purposes (generate a pure voltage )
@@electronicsrepairbasics_erb is it take a voltage nose and generate a pure voltage on the mainboard?
hello sir can you make a video of a laptop mother board all parts what is the right voltage.
Ok noted
Greetings, what is the function of the ceramic capacitors & chemical capacitor in this circuit? thankyou
Filtering purposes
@@electronicsrepairbasics_erb thankyou
power management ic supplier 3v and 5v on the mainboard ?right ? how to check & test this ic with multimeter please how we can know power management ic is working fine , how to troubleshooting this ic with multimeter ? please make a tutorial video for that . for test & checking which pin of this ic must be check??? thnxxxx
Ok of course I Will. For now you can check the ceramic capacitors around the IC, if any of that capacitors is shorted means the IC is bad.
2. You can check the heat of The IC, if it is not normal means the IC is failed.
@@electronicsrepairbasics_erb thankyou for quick response . your tutorial are awesome . keep it up
for checking the heat of The IC, in normal situation, it must be cold or hot ? thnx
how About your channel Skills glows ??? you must be that guy
Thank you
You haven't provided Turkish language support yet
Hi Ramazan,
I tried but I encountred some issues.sorry about that
Thanks
If you don't have a schematics
No problem you can troubleshoot without it, But the schematic make things easier for beginners
Sir Hindi me bany
Audio quality very bad
Sorry about that
Dis not understand
What you didn't understand?
@@electronicsrepairbasics_erbyour audio speech very bad quality
Please. Use good quality mic
He’s very generous with his patient explanation. The audio quality could improve but he will get there.