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  1. supamodz

    820-3437 Macbook air Display not going to sleep

    Does anyone know what puts the display to sleep, that seems to be the issue here. i see the keyboard goes to sleep but the lcd does not .
  2. supamodz

    820-3437 Macbook air Display not going to sleep

    SMC _LID is 0v when closed when i open lid its 3.4xx volts which seems to be normal but the display stays on and will not go to sleep
  3. supamodz

    820-3437 Macbook air Display not going to sleep

    i also forgot to mention there is no audio either that's why i tried replacing the io board.
  4. supamodz

    820-3437 Macbook air Display not going to sleep

    i tried another io board and cable same issue
  5. supamodz

    820-3437 Macbook air Display not going to sleep

    working on a 820-3437 computer works fine hardware test comes up fine but computer will not go to sleep any ideas where to look .
  6. supamodz

    820-3787 PM_SLP_S3_L Power Cycling 15in retina

    larossmann can you please provide me with some advice here thank you
  7. supamodz

    820-3787 PM_SLP_S3_L Power Cycling 15in retina

    so what do you think is causing the power cycling because im totaly lost if my u1900 is also cycling
  8. supamodz

    820-3787 PM_SLP_S3_L Power Cycling 15in retina

    2informaticos any ideas please see my last post
  9. supamodz

    820-00239 Touchbar Macbook Pro A1706 Display issue

    Mark this one solved its a lcd issue.
  10. supamodz

    820-00239 Touchbar Macbook Pro A1706 Display issue

    turns on with backlight then goes dim
  11. supamodz

    820-3787 PM_SLP_S3_L Power Cycling 15in retina

    the reason i said pin 9 of u1900 is pulsing because i cant get a steady wave form its at about 78 to 133mhz constantly pulsing on and off there is a different reading everytime
  12. supamodz

    820-00239 Touchbar Macbook Pro A1706 Display issue

    Hello guys i'm working on this touchbar mac which has a strange problem, if i disconnect the battery and boot it up with power adapter i get backlight if i try with battery connected backlight dims out any ideas what this could be. Never came across an issue like this before.
  13. supamodz

    820-3787 PM_SLP_S3_L Power Cycling 15in retina

    U1950 pins 7 and 3 are pulsing also pin 9 of u1900 is also pulsing
  14. supamodz

    820-3787 PM_SLP_S3_L Power Cycling 15in retina

    here are the readings you requested where should i look next ?
  15. supamodz

    820-3787 PM_SLP_S3_L Power Cycling 15in retina

    Hey guys i'm kind of stumped on this PM_SLP_S3_L is power cycling any ideas on where i should look next ?
  16. supamodz

    820-00840 Non Touchbar Macbook Pro 820-00840

    I'm confused apfelimperium I see your contribution but you need to start your own thread thus avoids confusion so if no caps are on the edp lines Mrs cpu is done on an 820-00840
  17. supamodz

    820-00840 Non Touchbar Macbook Pro 820-00840

    was a liquid spill Lcd connector does not look corroded at a all I tried a different cable still nothing tested lcd with different board lcd works fine what should I try next
  18. supamodz

    820-00840 Non Touchbar Macbook Pro 820-00840

    Hey guys i'm working on this non Touchbar Macbook pro boots up works fine but not getting no display power i noticed its missing EDP_PANEL_PWR_EN all pch power rails and cpu are present what am i missing here HELP!!!
  19. supamodz

    Macbook pro Retina 820-00163-A Ram beep hell

    Ram beeping has power for 0.75 and 1.3 where should any ideas where i look next
  20. supamodz

    820-00239 Touchbar Macbook Pro 5 Volts On Dcin

    R7020 Voltage is 5v.xx but cycling LDO voltage for CD3215 is 3.4XX but is cycling as well F7000 is 0.52 V No short to ground no corrosion under U2890
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