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Macbook Retina 15 820-3332 Board No liquid damage, but a lot of dust inside. No Backlight Image is OK. I´m trying to figure out if its a board problem, screen problem or board+screen problem. F9700 has no continuity PPVOUT_S0_LCDBKLT is shorting to ground when screen connected, diode mode(red...

Anyone more familiar with a1534 820-00244? Trying to figure if is a board or parts problem, don’t have any donors to test at this moment. Takes a little longer to boot, and no mouse or keyboard detected. One or two times, mouse worked, but it froze and powered off. Did some measurements and...

820-2936 board severe liquid damaged! Missing tracks from LCDBKL_DISABLE Had to drill a hole on the board cause PPBUS_SW_LCDBKL_PWR was also missing BKL_EN 2.89v PPBUS_SW_LCDBKL_PWR 12.45v Still no backlight! Replace U9701?

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...

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...