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  1. J

    820-00840-A Not Turning On

    Never measure with the battery attached it will not help you. Do you have 5 volts or 20 volts on DC-in with just the charger?
  2. J

    820-4924 No Backlight PPVOUT_S0_LCDBKLT - 48V

    Bad screen, bad screen cable, or bad LCD connector. You 100% MUST use a 2015 screen 2013/14 will NOT work.
  3. J

    820-00165 - wont turn on.

    Traces near U6100 ok?
  4. J

    820-3462 not detecting battery.

    eBay is probably even better than China lol, so it's truly random if you get a good one
  5. J

    820-3462 not detecting battery.

    You have bad batteries simple. This machine has shit batteries so good luck finding a good one...
  6. J

    820-3332 no video/backlight

    Did you resolder U8900?
  7. J

    820-3462 not detecting battery.

    Also post voltage for PPBUS_G3H with just the charger no battery plugged in
  8. J

    820-3332-A power cycling

    Yeah this is now junk
  9. J

    820-00840 No Power - PPBUS_G3H Was short to ground

    CPU is dead when U7210 shorted RIP.
  10. J

    820-00426-A restarting during boot.

    Did you try a new battery?
  11. J

    820-00163-A boot with out battery?

    Not always, but use an OEM 85 watt magsafe 2 charger. Device should at least power on
  12. J

    820-4924 power cycling

    For screens yes
  13. J

    820-4924 power cycling

    This one will boot without the battery if the charger is OEM. 2013 battery will not work in 2015 so do not use 2013 battery. Post PM_BATLOW_L voltage with the charger only and check all that 2informaticos suggested
  14. J

    820-3437 No Serial # showing

    Yes there is a huge difference! You cannot just swap the chip lol the ME region has to be good and the FSYS block. If you are unable to do so, I'm sure people on here would be more than happy to help you fix the BIOS dump
  15. J

    820-4924 Backlight goes on for a moment then shuts off

    Sounds like SMC_LID issue inspect the hall sensor
  16. J

    820-00840 no PPVCCGT_S0G_PH2

    History? Liquid drop etc?
  17. J

    Macbook Air 820-3437-B USB Power

    Yes that?s too low
  18. J

    820-00165 PP0v6_S0_DDRVTT Shorted to ground

    Any other sensors failing on HWMonitor?
  19. J

    820-00239 (5v USB bounce)

    Nicely done!
  20. J

    820-00239 (5v USB bounce)

    Diode mode all input and LDO lines near the CD3215s. Likely one or more are bad
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