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I am not sure what you mean when you say "random measurements"
It does chime
No fan spin when board is out of casing, unsure if it spins when in case
No liquid damage
Yes good screen and cable
Yes I see apple logo
just the screen and the magsafe plugged in I get 0V on both pin 2 and 5 of Q9807
I am using a schematic that says 850-2523 not 850-2523b if this is my issue
4.7 kilohm on pin 5 of Q9807 in diode mode
1.35 milliohm on pin 2 of Q9807 in diode mode
0.44V on pin 5 of Q8907 in resistance mode
0.43V on pin 2 of Q9807 in resistance mode