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  1. A

    820-00045 no power, no dcin

    Thanks, any luck with that?
  2. A

    820-00045 no power, no dcin

    Board looks clean no liquid damage. No voltage on PPDCIN_G3H, no short to ground. Only thing I found was PP3V3R3V0_AON had only 39 ohms to ground, is this ok? Don't have another board to compare to.
  3. A

    820-3115-b board no hdd, folder flashing

    What do you see if you hold the option key with the drive plugged in?
  4. A

    820-3115 quarter fan spin when LCD is plugged in

    Yes 10 char
  5. A

    820-3115 quarter fan spin when LCD is plugged in

    820-3115 had liquid damage. It powers on and posts when the LCD is unplugged, but once you plug it in it will only quarter fan spin. Ideas?
  6. A

    [SOLVED]820-2936-B still running slow after fixing sensor issue

    Bad hard drive cable or hard drive.
  7. A

    820-00138 no backlight

    Same as every other 15" retina.
  8. A

    820-4924 no video

    Start a new thread but you really need to replace the connector and get a working test screen first before going any further.
  9. A

    820-3437 No green light

    Is pp3v42 g3h present or not?
  10. A

    A1502 board compatibility

    Only between the same years.
  11. A

    [SOLVED]820-2936-B ALL_SYS_PWRGD problem

    yes 10 char
  12. A

    [SOLVED]820-2567-A Power on not display not beep

    Why would you change the bios??? Clearly dead mcp!
  13. A

    mid 2012 820-3115-b board , os not loading

    Can't change bios with flashing me region...
  14. A

    [SOLVED]820-3115 Ts0P failure.

    Voltage on pin 2 of R5806? Trackpad must be plugged in.
  15. A

    820-3437 from the dead pile, any ideas?

    smc reset probably fucked, or jtag
  16. A

    [SOLVED]820-2567-A Power on not display not beep

    Do you have the bass speaker plugged in? Does it beep when you remove the ram?
  17. A

    [SOLVED]A1466 MacBook only sometimes sees the magsafe charger

    Replace IO board and flex.
  18. A

    820-3115 - Hissing/ticking noise by the lvds connector

    Did you compare resistance to ground on C6991??
  19. A

    820-3115 - Hissing/ticking noise by the lvds connector

    I have also seen a bad U6990 cause high voltage on pp3v42. It also kept causing R6990 to blow until I replaced U6990. I would compare resistance to ground on pin 1 on C6991 to a known good to make sure it is not partially short, then check R6990 and replace U6990 again just for good measure.
  20. A

    820-3115 - Hissing/ticking noise by the lvds connector

    Check resistance across R7081, if it's good replace U7000.
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