How to test mosfet using multimeter - SMD mosfet testing
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- เผยแพร่เมื่อ 12 ต.ค. 2023
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please upload more like this tutorial video ., theory and practice together, it was the most useful and informative tutorial video ever I have seen till now ., kindly upload more videos like this content for how to test coil and capasitor and resistor on the laptop's motherboard. thankyou sooooo much
More to come!
I really like the way you clarify the whole electronics concept particularly on laptop repairing thank you for that .my comment for you is we need desktop computer the same way as laptop.thank you in advance.
Thanks and welcome
u good th u for going slow and helping new people.....
Thank you
Hello, for the first time I am seeing you do same thing completely different. In your website, about MOSFET testing, you wrote that; For n-channel MOSFET, we connect black probe of multimeter to source and red probe to drainand record the reading.Then we reverse the probes and record the reading again. If we get similar readings, it means we have a good MOSFET. And for P-channel MOSFET we do the opposite as above except that the similar readings remain for a good MOSFET....Which is which
Thank you for this knowledge. so useful
Glad it was helpful!
Very Good Video! Thx!
Glad you liked it!
Thank u very very much sir am will be professional please laptop charger circuit detail repair am buginner ...from ethiopia thank u
Noted
Excellant
Very clear
Glad you think so!
I have one doubt. In the first minutes of the video where you tested 8-pins Mosfets, some were giving buzzing sound and some did not. But you said all were good. Does it mean that if we get a reading in the multimeter with no buzzing sound is still good?
Sir , what do you actually read on your multimeter on diode mode ? you say high / low resistance , and then you say for hundred voltage 6:20 that's confusing . does diode mode display resistance or voltage ?
It displays drop voltage which could be 700, 600, 500, 400, 300, 200, or 100 depending on the type of diode.
Now we have only mostefs. There is no tjb anymore
Sir , we need SMD mosfet tested off board , the majority of engineers says the readings are inaccurate when mosfet are tested soldered on the PCB . Can you make smd ceramic capacitors test off board along with 8 pins mosfets tested off board ?
Noted.
Hello, at 14:10 you were testing the MOSFET on the source to the ground , the mosfet shouldn't connect to the ground ? i mean whenever you connect source to ground we must have reading on the multimeter right ? thank you
That MOSFET is a lower mosfet in the circuit, The source of lower MOSFET is always connected to the ground, check my schematics videos and you will understand
Hi there, at 7:57 whenever we have 1 on the multimeter, does that mean we have infinite resistance? thankyou
Right
thankyou @@electronicsrepairbasics_erb
Hi there, at 02:23 about mosfet nest to the CPU, in the modern laptop motherboard we cannot remove cpu from the laptop, what we should do in that case? thankyou
In that case a short circuit should give 000 not 004 or 005 ...
Very good question @Martin-ot7xj
Les vidéos sont top ! Mais faut investir dans un vrai microphone ! 😂😂😂