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  1. K

    820-00840 missing all_sys_pwrgd

    c7934 wasn't quite on the pad. the machine is working
  2. K

    820-00840 missing all_sys_pwrgd

    the board is entering all the power states but i'm not getting all_sys_pwrgd. i'm not sure which rails to check for
  3. K

    820-00840 short on pp3v1_rtc

    all_sys_pwrgd is 0v unless i heat up the pch area a little. i guess this thing needs a reflow
  4. K

    820-00840 short on pp3v1_rtc

    well i'm waiting on a stencil that i ordered to put u7800 back on the board but i'm confident that the short was the issue
  5. K

    820-00840 short on pp3v1_rtc

    removed the caps from the rail and i check them then i put them back and the short went away. maybe the heat got to the pch
  6. K

    820-00840 short on pp3v1_rtc

    the machine was booting fine. all i did was ultrasonic the board
  7. K

    820-00840 short on pp3v1_rtc

    i have removed u7800 from the board and 3v1_rtc still has very low resistance to ground. is this value coming from pch_intruder_l? R1401 has very low resistance on both sides
  8. K

    820-00840 short on pp3v1_rtc

    this machine was powering on even after a cola spilled on it. i decided to clean it for safe measure and now it doesn't power up. i found short to ground on pp3v1_rtc. i'm new to the touchbar logic boards. i looked at the schematic but i'm still lost as to which chip creates pp3v1_rtc and is it...
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