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This board work well with battery and show 29%-28% and goes low.
Only with adapter ppbus - 0V. No short there.
pin17-18 and 27-28 are 3 and 20 ohm.
VDD on ISL6259 are 5V
acok - 3.3V
Next step is to replace ISL6259?
This Macbook pro has this problem: http://static.yoreparo.com/imagenes/subidas/1760763-Captura.PNG
I replaced HDD and hdd cable 2 times. Mostly it works, but sometimes appears this circle. What I can try more?
Found little corrosion arround Bios
PP3V3_S5 - present
32khz PCH present
PM_SLP_S5_ L -0V
PP5V_S4 - 0V missing
Checked resistor arround bios and are ok. Corrosion was very very little.
I lift U6101 and clean and resolder again...
A customer asked me to replace his iMac 2011 hdd 1TB with SSD and told me that I should replace the hdd sensor also, as fan will speed fastly. What he mean? I dont see hdd sensor in this model.
I read about and seems that fan will speed fast randomly. Any solution for it?
This board has liquide damage and burnt coil and damage lvds. I replaced the lvds and bridg the coil that goes to pin3 (lvds) next to the lvds.
Now the problem is when the board got to the desktop, board shut down. Any idea where to check next? Already tried with usb hard drive.
Somebody tried to upgrade Macbook pro 2010 A1286 to 16GB ram ddr 3L? Should it works? The ram I tried 1.35V 10666 G.SKILL
I tried and sometimes reboot and sometimes black screen and I am not sure if this is board problem (known cap issue) or ram problem.