lenovo yoga 720

[hosoi]

Hello guys, I got this Lenovo yoga 720-13iKB board ID LA-E551P Rev 2.0 which is not charging, and after inspected found 2 blown chips. Could anyone here help me identifying those 2 IC one of them has only the last 2 letters missing, Please see the pic and help me with this. the one that it is circled red is the one that has nothing and the texas instruments one is the one that has only the last 2 lettersmissing.thanks.

BR

[hosoi]

Re: lenovo yoga 720

no help?

[feri]

Re: lenovo yoga 720

1173H
i got the same laptop 30 min ago.

[fred77]

Re: lenovo yoga 720

Hello Guys, I received this Lenovo yoga 720-13iKB ID LA-E551P Rev 3.0 board which is not working, I found a grounded capacitor.
could help me find the value of the capacitor (603) in order to replace it.
it is to the left of the inscription PC440 under the right fan
thanks in advance

[kosmaa]

your EC chip seems damaged too (the TPSxxx) without it your laptop won't negociate the 20V, well I suppose the charging is via USB C in this case.

the 1173H is more linked to USB data i think.