Lenovo IdeaPad 5 Pro 16IHU6 NB3036_MB_V4_PCB

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  • REpairAT
    Senior Member
    • Nov 2020
    • 142
    • Austria

    #1

    Lenovo IdeaPad 5 Pro 16IHU6 NB3036_MB_V4_PCB

    Hi,
    has anyone schematics and boarview for this? Both USB-C power input Mosfets are blown due to low gate voltage and some components on the back side desoldered themselves from heat.

    Thanks in advance & BR!
  • mon2
    Badcaps Legend
    • Dec 2019
    • 13834
    • Canada

    #2
    See attached - not sure if this is what you are after?

    Click image for larger version

Name:	power_path_mosfets.png
Views:	297
Size:	193.7 KB
ID:	3248014

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    • REpairAT
      Senior Member
      • Nov 2020
      • 142
      • Austria

      #3
      Originally posted by mon2
      See attached - not sure if this is what you are after?

      Click image for larger version

Name:	power_path_mosfets.png
Views:	297
Size:	193.7 KB
ID:	3248014
      Thanks, interesting would be where exactly the gates get powered from. In my case, also the pads burnt off from the board and my solution right now looks like this. It turns on now, but my USB Meter now shows 19,8V And gate Voltage on both FETs is 21V, VGS measures exactly these 1,2V which is still too low and causes them to heat up quickly.
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