Voltage Tracking Techniques On Laptop Motherboard Using a Multimeter - Laptop Repair +VBAT

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[@YazanMaswadeh]

he is a great educator. Thank you!

[@electronicsrepairbasics_erb]

You are welcome!

[@emilnesrullayev539]

thank you for sharing your experience!

[@electronicsrepairbasics_erb]

My pleasure!

[@longmarch26]

thank you !

[@ugurse]

Good man sharing information,thanks a lot for your informations and hard work..

[@electronicsrepairbasics_erb]

My pleasure

[@guthi4475]

big help ty ..... close up is perfect... u explain really good................

[@electronicsrepairbasics_erb]

Thank you

[@jamespaterson7597]

very interesting thank you

[@electronicsrepairbasics_erb]

Glad you think so!

[@androidcell7093]

I just wanted to take a moment to express my sincere gratitude for all the hard work and effort you've put into it. Your dedication and commitment have not gone unnoticed, and I truly appreciate everything you've done.

[@electronicsrepairbasics_erb]

Wow, thank you! You are very welcome Bro

[@meangtongmey8651]

❤

[@mm0077]

👍

[@GuardianApe]

Awesome video .What part of the board is the black pin of the multimeter connected to ?

[@electronicsrepairbasics_erb]

The Ground

[@aewcontrol2984]

What if the IC is not sending the signal to the gate?

[@electronicsrepairbasics_erb]

In that case the IC could be faile if all inputs are present

[@garypoplin4599]

1:07 - I don’t know what has changed; but, the “background” music is distracting in this video.

[@geoepi321975]

Hi, the charge ic must command the MOSFETs on, or they are on by default thanks

[@electronicsrepairbasics_erb]

Yes the charge ic must command the MOSFETs

[@aewcontrol2984]

I asked basically the same question. Are they all on by default, but I would guess that would be by design. I guess the best next thing would be to inject the signal to the gate see if the MOSFET switches on.

[@geoepi321975]

@@aewcontrol2984 i don't think that's the case, because how else could 3.3 v be present to power on the laptop, i think its always on and if something happens the controller turns it off to protect the laptop..

[@aewcontrol2984]

@@geoepi321975 I do not know enough to make that judgement. I do understand that MOSFETs are commonly used as voltage regulator, switches, etc. SO in this case do you think they act as a circuit breaker that it's always on and shuts off under certain conditions?

[@geoepi321975]

@@aewcontrol2984 yes there's no other way, because that's the main power rail, and the super io controller check all the rails for proper operation, and if it detects a short to ground or an abnormal rise in current somewhere, it cuts down the power to prevent damage on the board through the gate PIN of the first MOSFET, the second MOSFET i believe is to maintain the voltage stable, that's my theory , i don't know if I am right..

[@Metaobserver]

What's the point in checking the connected pins of MOSFETs one by one for three minutes

[@electronicsrepairbasics_erb]

In order to understand the Basics (For beginners)

[@Le_vis254]

​​@@electronicsrepairbasics_erb Please, put into practice these negative comments from your viewers kindly, do not assume these comments because they are meant to grow your channel. Making a negative comment in a polite manner does not mean your work is disrespected sir. We are just here to grow each other positively. You've been doing a wonderful job from the beginning and we appreciate that wholeheartedly.. I have noted in most of your responses, when you're challenged about your lengthy and repetitive videos, you normally say it is for the sake of beginners, but that should not be the response kindly coz I believe we are all beginners.. Those who are new to this channel and feel they have little or no knowledge about laptop repair should just follow from the old videos just as we did.. No need of lengthy and repetitive videos kindly sir.