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Trying to fix Lenovo Ideapad Y700 15isk

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B

Berry

PCHF Member
Dec 28, 2022
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#1
So i got this Laptop at work.. Its not turning on, no LED's are flashing or anything.. its dead dead.. so i took it home and opened it.. it looks clean no signs of damage.. but i did notice that when i connect the charger 2 mosfets and a few capacitors get hot... im dont know where to get the scematics for the board or anything that could help me..
this is more or less my last resort..

the red marked positions are getting hot... i have been poking around with the multimeter and im pretty sure there is a short but nothing is visible..

Any tips are welcome.. ty..


lenovo_board2.jpg
lenovo_board1.jpg
 
#3
that is the correct motherboard... im not sure about the company only thing i know is that its the original board from when the laptop was bought... getting support from a web shop is not going to help my issue.. seeing as they label the board as the Lenovo YOGA y700 instead of Lenovo IDEAPAD y700.. doesnt make me trust it as much.. and the second link is a 404..

I was looking for a Boardview file of the board or similar.. maybe a pdf of the lanes/connections would be nice.. i dont intend to buy a new board.. im poor... its either fix it myself or well toss it i guess..
 
#4
This is what i found.

And quote :

Is Lenovo Yoga and IdeaPad the same?


Lenovo Yoga vs IdeaPad

The main difference between the two ranges is that the Yoga mostly comes in hybrid form, offering users the chance to transform their device into a traditional clamshell laptop or a tablet, thanks to the 360-degree hinge. While not every Yoga is a hybrid, it is a common feature in the range. Jun 24, 2022
 
#6
interesting.. yoga is same as ideapad in this case.. i guess this info might be usefull at somepoint..
as for the link i still only see 404.. maybe its my location or something..
i did however find a pdf boardview thing.. not as convinient as a boardview file but its better then nothing...
i did also come to a conclusion that the B+ power layer is shorted to ground.. just dont know where yet..
ty for the help guys.. just see you try to support me makes me motivated to keep digging.. :)
 
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