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Let’s learn how to identify a laptop backlight issue (advanced)

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This video can be a lesson how you can follow your fault and complete the puzzle on a very unusual laptop having no schematic at all, today case Sony Vaio vgn-tz31wn Pcg-4n1m – no backlight
Flux: https://youtu.be/9xk76e7nzcw
Tools: https://youtu.be/KZ4be5-MUZU
Patreon: https://www.patreon.com/electronicsrepairschool


The Tired Techie says:

One of rare cases when it's actually the fuse! Thank you for a new lesson and a good job πŸ™‚

zszsp1970 says:

THX!! πŸ™‚ That was very helpful. I learned a lot today.

Nathaniel Galimba says:

Very niceπŸ˜ƒ thanks for sharing

Teodoro Galvez says:

Yeah watch and learn.πŸ‘

Lotusrk123 says:

No backlight on Lenovo50- 70. Tried external monitor, did not work. I assumed motherboard because of this?

Krishna Chaitanya says:

"Let's check some voltages"

Mehmet Filiz says:

This is more entertaining than the IMAX

James Doms says:

Whatta guy! Another great video of yours!

DDG-2 says:

Here's one for you OS UH LATOR (oscillator).

ashystyle says:

Truly great!

pei broker says:

well done, they're cheering in Canada, can you hear them ? …

khemraj kunal says:

your r my every things for me i have not taken any course and any training from any institution. but i have a service center and i service people because of you u r my every things things my mister, my teacher and every things…

ahmed ayache says:

Thank you … from you learn to learn

N4N Ed says:

very nice video

gl777 says:

where can i buy "Sorin brand fuse" XD

Maxi says:

haha great video on 33:24 "nothing is logical, WOW!?!?" had a good laugh on that one

Serhat says:

I like sony more than Apple ,look at that size of hdd and fan and thinnest screen by it's time it was so hard to produce it is 2006 model Δ± think ,unblievable tech company it is.

NANO- Serwis says:

Fuse on motherboard ? maybe ? +19v

Santosh Prajapati says:

Good to know that you learnt pronouncing 'Schottky' and I learnt fixing screens. Great! Keep it up…


HEY its not laptop related but its about a Samsung galaxy note3 n900…it went off i tried turning it on but nothing comes out.tried putting the charger on it but it doesn't show charging or any led light on screen.i charged the battrey it is fine..but if i plug the phone to pc it makes a poping sound to the pc showing that it is recognised to pc but immidiately it discconects and continue doing it so.QUESTION what can be really the problem need help

Devil Gabbar says:

Leats take a jumper fuseπŸ˜„πŸ˜„πŸ˜„πŸ˜„

Fares Shoukri says:

Thank you, I have a question a risistor is not a fuse it reduces the voltage making a short doesn't affect the work of the inverter

Ernst M. van der Linden says:

Hahahaha, great fuse! πŸ‘πŸ˜€

Marian Crisan says:

Buna pe saitul asta: https://www.ifixit.com mai poti gasi ghiduri de dezasamblare de la diferite electronice poate te ajuta pe viitor

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