Lenovo laptop not turning On - best tutorial ever

[@mosfettg6857]

Hi Bongi datasheet says they are synchronous step down regulators ,nice job.

[@jbvtechnologies]

Thanks for the info!

[@skysurfhf]

You should check pu402 it was the faulty, because on pu401 the enable signal comes from the output of enable 1 from the pu402 ... right ?

[@jbvtechnologies]

thank you you are right man

[@kascomputer7334]

Could you please make a day and teach about enhancement mode and depletion mode transistors

[@jbvtechnologies]

surely i'll do

[@GlishaSo]

so you had spare both chips and put different ones from another same motherboard ?

[@Ghost572]

I'm dumb and complaining about things!

[@jbvtechnologies]

lol hah hah

[@roseelectronics4582]

First

[@jbvtechnologies]

Hah hah 😁😂

[@roseelectronics4582]

@@jbvtechnologies haha. I like your videos