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Please tell me from which other MacBook model can I get a display to test this MacBook? (suddenly both my displays are faulty from this model! just because they work with boards from 1707 does not mean that they work with native Mac)
in the U8400 area there was some oxidation, apparently water got in at some point!
PPVCCGT_S0G_PH1,2,3=0,693v
PPVCCSA_S0G=0.837v
PPVCCCPU_S0G=0.001v
PPVCCGT_S0G=0.667v
PP1V2_S3=1.2v
PPVCCIO_S0G=0.597v
PP1V_S3=0.995v
PP1V_S0G=0.995v
yes I replaced the U9850!
Is it worth to change GPU? why not ? This is the same chip as T2! The main thing is to check everything carefully to make sure that it is the GPU! I can’t understand why the Intel graphics don’t work if the AMD fails or vice versa! if some line of U9850 missed 55, then...
I understand the recommendations of what to check in order to logically confirm that the CPU or GPU has failed and what should be replaced will not follow?
the only damage was on the t-con of two lines! I tried installing it in another case, but that didn’t work either!
could the problem be related to PPVOUT_S0_LCDBKLT?!
I installed the new U9850 and, to my deepest disappointment, the result remained the same! still no picture! We're missing something! The motherboard looks flawless with no signs of staining or anything like that! The display opening and closing switches work because the keyboard backlight and...
may be important but the MacBook does not turn on without a connected battery from the original 96 watt power supply, it reaches 0.600A and goes to 0.000A