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820-00244 12" Liquid damaged. SSD not detect.

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  • 820-00244 12" Liquid damaged. SSD not detect.

    Hi
    This is a liquid damged board tiny bit around R9030 , P2V7NAND area. I replaced the R9030 as it was covered with dirt. PP2V7_NAND_VCC is 5v in C9022 and BURNT TP other side of the board near L9000.
    U9000 PIN 15 EN signal PICCOLO_VEN1 Is missing.
    IN Q9001 PIN 1,2 i get 8.7v. I get nothing from ll the other pins.

    Any advice really appreciate .

  • #2
    I do not recommend to waste time on it.
    If you have time, put good flux and reflow SSD area...

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    • #3
      Hi, this is solved. Found missing PICCOLO_IUVD. FOUND THERE IS NO PPBUS_G3H ON R9350 which create this rail. Bad trace on pin1 R9350. ran a wire from PPBUS and got ssd working.
      It was difficult to access R9350 so i removed the cover shield. Thanks again for your help.


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