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Any toughs on this? It sometimes show some errors on ASD about palmrest sensor and ambient temperature, but last time wasn't giving any errors

I’m working on a 820-3115 that had some minor liquid damage, already changed sensor on pbus vp0r and some bad looking components on this region. Fans are running a bit higher than normal and it’s sluggish and beach balling for everything. what would be normal readings for PBUS VP0R? ASD EFI...

Looks like its oscillating from 11v to 16v with battery disconnected and magsafe 60w(genuine)

ISL placed pins 17/18 beeps, pins 27/28 beeps, all resistors on this line ok, no shorted caps, still not charging. Q7085 getting a little hot, don't know if this behavior is normal.

Ok, that confused me, my donor board must be faulty at this region too, it's not beeping. All this lines goes to R7020 that is just 0.02ohms, now I see, thanks for the help! I'll post result soon.

Replaced R7052 and pins 17/18 now beeps. removed C7050 still beep. removed ISL still beep. Checked on a donor board pins 17/18 should be around 1000?

R7052 reading 89ohms, should be 0 right? I'll replace it and test again

U7000 measurements in diode mode with no charger and no battery: From pins 17/18 - 139 From pins 27/28 - 018 and beeping! Im looking at this line but R7021 and R7022 9.8ohms both. C7020 and C7021 no short. Bad ISL?

I have a board here 820-2936, it have signs of previous cleaning, with some junk here and there, but did not find any corrosion. This board turn os with charged battery, works fina and stable. Charger only stays green and it sees the charger and battery, but won't charge. I cleaned the board...