Hey folks,
I'm new to electronics, so please forgive any noob questions/mistakes.
I'm trying to repair a 15" MBP Mid 2014. It froze a few times. After the last freeze, I wasn't able to proceed further than the boot launcher. It's running Ventura (OCLP). When I connect the charger (with battery disconnected), I get the green light followed by the orange light, the fan spins, but I there is no chime.
After a cleanup and a thermal paste replacement, I got chime once and everything worked as expected. After a shutdown, the computer was back to the "no chime" state.
Here are the measurements I did so far:
PPBUS_G3H - 12.59V
PP5V_S0 - 5.03V
PP3V3_S0 - 3.32V
PPVCC_S0_CPU - 1.79V
PPVCORE_GPU - 0.89V
P.S. Should I be measuring these with the LCD cable connected?
I'm new to electronics, so please forgive any noob questions/mistakes.
I'm trying to repair a 15" MBP Mid 2014. It froze a few times. After the last freeze, I wasn't able to proceed further than the boot launcher. It's running Ventura (OCLP). When I connect the charger (with battery disconnected), I get the green light followed by the orange light, the fan spins, but I there is no chime.
After a cleanup and a thermal paste replacement, I got chime once and everything worked as expected. After a shutdown, the computer was back to the "no chime" state.
Here are the measurements I did so far:
PPBUS_G3H - 12.59V
PP5V_S0 - 5.03V
PP3V3_S0 - 3.32V
PPVCC_S0_CPU - 1.79V
PPVCORE_GPU - 0.89V
P.S. Should I be measuring these with the LCD cable connected?
