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I removed SOC Rom chip to force the DFU mode, but it is not working.
I checked the SOC_DFU_STATUS, and it stays at 1.8V for 5 seconds before looping back to 0V.
PP1V8_SLPS2R, PP0V9_SLPDDR, PP1V1_SLPS2R, PPVDDCPU_AWAKE, PP0V82_SLPDDR, PPVDDCPUSRAM_AWAKE
These are all present.
PPVPCORE_S5, PP1V_PRIM, are missing.
What do you mean external switch method ??
I tried force_dfu pin pull down to get into DFU but no luck.
Also I tried using option, command, shift , power button method but also not work.
I wonder if the T2 is bad or not
I double checked corroded area but it seems have no problem.
I want to know why PP1V8_S5 and PP3V3_S5 have no voltage. What should I have to check? Please let me know anything I have to check.
and I found T2 chip is 36.4~37 degree. Is this normal?
The device is a MacBook A1989 that experienced liquid damage. Initially, it was recognized in DFU mode, and a REVIVE operation was successful (although the display and keyboard Caps Lock were non-functional, the CPU VCore was present). However, after cleaning the board, it started drawing only...