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  1. R

    820-00165 no light with charger but works off battery

    820-00165 has water damage around R7105 and c7105 works off battery but not off charger no light
  2. R

    820-01700 shot on ppbus_g3h

    820-01700 shot on ppbus_g3h i found the short on u9580 when removed short is gone what is u9580 and where can i get it
  3. R

    820-01949 no boot to HD

    820-01949 it turns on see logo then hard drive when you boot to hd it shuts of it can go to dfu but every time i restore or recovery it fails it run off battery or charger off charger i get 19.1v 2.01A
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    i have a A1990 820-01041 i can charge battery when powered off but not on

    i have a A1990 820-01041 i can charge battery when powered off then it will work fine it will show battery but can not charge when on battery condition says normal
  5. R

    820-00928 5v no 20v

    i have a 820-00928 that had water damage i get no voltage on pp3v3_g3h 0v ppbus_g3h 0v 0.5 mili ohms to ground
  6. R

    820-3023 Fan spins for 1 second, stops

    PPBUS_G3H 8.6v PPBUS_S5_HS_COMPUTING_ISNS 8.4v PPDCIN_G3H 16.2v PP3V42_G3H. 3.43v PPVRTC_G3H 3.3v PP5V_S5 5v PP3V3_S5. 3.3v PLT_RESET_L 0v SMC_ONOFF_L 3,43v PM_PWRBTN_L 3,42v
  7. R

    820-3023 green light flashing on off

    mac book air 820-3023 green light flashing on off the power turn on and off it had some water damage I clean but no luck where should i start
  8. R

    program a 2018 to 2020 Mac EFI

    can anybody recommend the best way to program a 2018 to 2020 Mac EFI
  9. R

    820-00165 no power

    820-00165 has sign of water damage around U6101 PPBUS_G3H 8.6v PP3V42_G3H. 3.43v PP5V_S5 5v PP3V3_S5. 3.3v PP5V_S4RS3. 0v PLT_RESET_L 0v PM_PCH_SYS_PWROK 0v SMC_ONOFF_L 3,43v PM_PWRBTN_L 3,42v PM_SLP_S4_L 0v PM_SLP_S3_L 0v
  10. R

    820-00840 19.5v on one usb and 5.17v on the other

    820-00840 no boot 19.5v 0.22A and 4.36w on one and 5.17v 0.03A and 0.18w
  11. R

    820-01041 - stuck at 5V

    no pp3v3_g3h im new with type C where should i start thanks
  12. R

    820-00239 ppbus_g3h short

    i have a 820-00239 it had water damage i get 20v with 19milliamps i have a short on ppbus_g3h can you help
  13. R

    820-01598 no mic

    i change the audio ribbon cable with mic but still not working any help
  14. R

    820-3476 Orange Light No Power on

    i have a board with light to no water damage i tested PPBUS_G3H 12.5v PP3V42_G3H. 3.4v PP5V_S5 5v PP3V3_S5. 3.3v PP3v42_G3H 3.4v PP3V3_SUS 0V PM_RSMRST_L 0v SMC_ONOFF_L 3,43v PM_PWRBTN_L 3,42v PM_BATLOW_L 3.3v SMC_ONOFF DOES DROP THEN GOES BACK UP WHEN HIT POWER BUTTON
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    820-00281 no backlight

    This maybe a liquid damaged board works fine with external monitor. but with the internal display i see image but no back light unfortunately i don't nave a test screen or another board to test on U8400 pin1 and 2 LCDBKLT_SW= .1V PIN 5 PP5V_SO_BKLT_D =5V PIN 9 ISNS_LCDBKLT_N=12V PIN 10...
  16. R

    820-00165 green light no power

    have green and amber light no power PPBUS_G3H 8.6v PP3V42_G3H. 3.43v PP5V_S5 5v PP3V3_S5. 3.3v PP5V_S4RS3. 5v PLT_RESET_L 0v PM_PCH_SYS_PWROK 0v SMC_ONOFF_L 3,6v PM_PWRBTN_L 3,42v PM_SLP_S4_L 3.3v PM_SLP_S3_L 3.3v
  17. R

    820-4924 has amber light no pp3v3_s5 or pp5v_s4

    PPBUS_G3H 12.5V PP3V42_G3H 3.4V PP5V_S5 5V PP5V_S3 3.4V PP3V3_S5 0V PP5V_S4 0V THANK YOU FOR YOUR HELP
  18. R

    820-2936 no WIFI but have Bluetooth i change card but no luck

    i change card but no luck PP3V3_S3 3.2V R3451 PIN 2 = 3.2V Q3450 PINS 1-4 =3.2V PINS 5-8 = 0V
  19. R

    820-00165 no power on P5v_s4rs3_vfb1

    there was water damage on R7520 and R7523 i change them but no power
  20. R

    820-00138 freeze during boot

    when it turns on some times it boots to os then shuts off the cpu gets hot i tried asd but it to freezes
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