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  1. A

    820-01949 not turn on

    usb c amp 5v 0.185A PPBUS_G3H=12.3v PP3V3_G3H=0v
  2. A

    820-2936-b

    SURE THERE IS NO VOLTAGE, DIODE MODE 0.015
  3. A

    820-3462

    L7030=12.56V ESTABLE L7030=3.3V ESTABLE L7030= el voltaje varia rapidamente subiendo de 0 hasta 5v y vuelve y cae nuevamente y vuelve otra vez a subir hasta 5v asi sucesivamente el ventilador gira pero se reinicia constantemente
  4. A

    820-3462

    Any histoy available? not I use original 60w Magsafe 2 charger Did you test the board alone on the desk? only board with magsafe board L7030=12.56v L7030=3.3v L7030=cycle from 0 to 5v l7330=cycle from 0 to 1.5v L7630=cycle l7520=0v l7510=0v L7630=0v L7630=0v
  5. A

    820-2936-b

    ALL_SYS_PWRGD=3.2 R7402 is good also at one end R7402 has 12.6v and at the other 0.51v is that normal?
  6. A

    820-3462

    THIS MACHINE TURNS ON THE FAN FOR 4 SECONDS IT COMES BACK AND TURNS ON THE FAN CYCLICLY, CAN YOU HELP ME WHAT MEASURES TO TAKE
  7. A

    820-2936-b

    turn on, fan on, no data usb PPCPUVCCIO_S0_REG_R=1.07 PPVCCSA_S0_REG_R=0.90 PPVCORE_S0_CPU_PH2=0v PPVCORE_S0_CPU_PH1=0v PPVCORE_S0_AXG_R=0v PP1V5_S3=1.5v PLT_RESET_L=0v
  8. A

    820-3115 b

    no red light inside audio conector, remove r6805 , I removed r6805 and the macbook has audio
  9. A

    820-3115 b

    Hello, this macbook has a problem that it does not have sound through the speakers, it appears as blocked when pressing the button, it has already been tried with other speakers; I would like an indication to solve the problem
  10. A

    820-3115

    hello, I would like to ask what are the steps to unlock firmware password with medussa since when unlocking it with the Clear $SVS block option, it does not let me enter the operating system and an efi boot disk appears, and when entering efi boot an installer appears of the system
  11. A

    820-01987 not turn on

    heated u6903
  12. A

    820-01987 not turn on

    l7420=0.007 l7410=0.007 l7702=0.058 l7690=0.425 l7670=0.425 l9080=0.420 l9081=0.420 l8410=0.841 l6900=0.007 l6901=0.007 l7220=0.007 l7210=0.007 l7270=0.031 l8100=0.232 l8102=0.154
  13. A

    820-01987 not turn on

    when removing f7000 PPVBAT_G3H_CHGR_REG=12.28,UBC-C meter it does not work when is f7000 conected, when removing f7000, usc-meter if it works,5v,0A; mode diode PPBUS_G3H=0.429
  14. A

    820-01987 not turn on

    this board in f7000 oscillates voltage between 3 and 0v, also PPDCIN_G3H_CHGR oscillates voltage 3 and 0v.
  15. A

    Not green light 820-3115 b

    C6403 esta malo, no entiendo porque cuando inyecte voltage en l6995 y no aumento corriente en la fuente, y desaparecia corto? como te diste cuenta que en ese sector estaba el corto?
  16. A

    Not green light 820-3115 b

    mode diode l6995 0.003 board alone;removed l6400 and test again and mode diode l6995 0.364. green light and turn on
  17. A

    Not green light 820-3115 b

    U6990 PIN2=3.73V PIN3=15.29 PIN4=16.75 PIN5=0V PIN6=0V PIN 7 VIN=16.8 PIN8=3.74V PIN9=0V PIN10=0V l6995 remains with low ohms, thus disconnecting the power supply for a long time, since yesterday I disconnected and it is like this
  18. A

    Not green light 820-3115 b

    it was tried with another magsafe jack and with another original charger, also multimeter batteries are fine PP18V5_DCIN_FUSE=16.5 a 16.8 variante PPCHGR_DCIN_D=16.5 a 16. 8 variante PP3V42_G3H_REG=0v En L1995 mido en ohmios aparece 3.3 ohmios(0.003 modo diodo) sin embargo al inyectar voltage...
  19. A

    820-3115 b

    this board is 820-3115 b is proccesor 2.9 ghz core i7, I have a board 820-3115 b 2.5 proccesor 2.5 ghz.The board 2.5 smc works well for the 2.9 board?
  20. A

    820-3435 b

    does not turn on, red light, these are the values PP3V42_G3H_REG=3.42 PPBUS_G3H=8.6 PP5V_S4RS3=0V PP3V3_S5_REG=3.3V
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