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HI , I have a Macbook Pro board 820-4924 with water damage, no start
water damage around the U500 chip, fan no spin, green light and then orange light
posted voltages with out battery
PP18V5_DCIN_FUSE=16.52v
PP3V3_S5=3.34v
PM_BATLOW_L=3.34v
SMC_ADAPTER_EN=3.38v
SMC_PM_G2_EN=3.41v...
I am fixing a mac book pro model A2141, the motherboard model is
820-01700
At first when I connect the USB-C charger the voltage was only 5v, then
I check the pin VIN_3V3 C20 on U3100 line
PP3V3_G3H_RTC_X = 0 volts
PP3V3_G3H_RTC_X is provide by U6940
Checked EN E4 line on U6940...