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820-3332 Almost all sensors bad

ALB-Repairs

ALB-Repairs

Member
I have another one of these (had a couple i never fixed previusly)

This ones not had liquid damage, or any rework. It fast fans, and if you run ASD you get a list of practically every sensor being bad for unknown reasons.
Ive replaced the SMC, checked everything i can think of and got absolutely nowhere.
Has anyone fixed one of these nightmares before?
Thanks
 
D

dukefawks

Administrator
Check PP3V3_S5_AVREF_SMC. If the reference voltage for the ADC in the SMC is off all voltage sensors will read wrong.
 
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