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  1. M

    820-00165-a liquid damaged

    Hi I had no backlight. I replaced: U7701, d7701, f770, rebuilt XW7720 and cleaned the rest. now the backlight works but D7701 pin 1 - 6,8v pin 2 - 24v. Q7706 pin 6 - 6,75v BKL_EN 2.8v BKL_PWM 1,5V The macbook turns on from the keyboard but does not detect it after starting.
  2. M

    820-01521 AMRestoreErrorDomain - 0x9 (9)

    Mac is stock on 20V 0.3A. Its stuck in recovery mode in Apple configurator 2. It begins installing the system using system restore. The outputs "failed to recive message from device, might be a connection problem with usb host) [AMRestoreErrorDomain - 0x9 (9)] SLPS2R I AWAKE are present What to do ?
  3. M

    820-00165 No Power

    Hi guys this time I have a 820-00163 board with no water damage or corrosion. I checked: 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
  4. M

    820-00165 PPBUS_G3H short

    The board is clean, However, I have a short to ground on: PPBUS_G3H,0.9-0.4 ohm PPBUS_S5_HS_COMPUTING_ISNS 0.9-0.4 ohm PPBUS_S5_HS_OTHER_ISNS 0.9-0.4 ohm Is the CPU dead ? What to do ?
  5. M

    820-00928-04 No power

    Hello I am new to this forum. My name is Marcin and i work a electric repair shop in Poland. I am new to MacBook repairs and have lot of knowledge to complete. As for now i have a MacBook pro model A1707 820-00928-04 that wont start. I can see under my microscope that someone soldered the U3100...
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