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Hello Everyboady I m working on A1502 820-3476 board its liquid damaged around keyboard. Track pad not moving ( click but not move) - Tried knows good track pad and flex - Checked connectors for any corrosion - Checked PP3V3_TPAD_CONN and PP5V_S4_CUMULUS its ok ( also replaced r4808 and...

Duke problem fixed after when cable jump to 17/18 line to R7050 .. Thanks too much again

Hello everybody I m working on 820-3115 not power up PPBUS_G3H voltage is up to 14.4v 2 second later down 4.8V or 5V . Magsafe green led is ok PP3V42 is stable Removed F7040 nothing changed R7020 voltage is 16.6V and stable Replaced U7000,Q7030,Q7035 nothing changed CHGR_UGATE voltage is up...

Hi Thanks Aprendiz solved problem when fixed damaged SPI line..

Thanks Duke after replace Q7310 and Q7311 shortcut was gone. But now when plug magsafe machine not power on. only usb mouse led flash one second and dead. Magsafe led is first green after orange PPBUS_G3H - 12.5V PP3V42V_G3H - 3.3V PPVRTC_G3_PCH - 3.3V PP5V_S5 - 5V PP3V_S5 - 3V

Hello everybody I am working on liquid damaged macbook air.Some one cleaned board, cant see burned items or corrosion. PPBUS_G3H - 8V and stable PP3V42V_G3H - 3.3V and stable PPVRTC_GEH 2.98V and stable P5VS3_EN_R - 3v and 0v up and down Note: Fan spin and stop contuniusly, usb mouse led is...

Hello everybody I m working on liquid damaged 820-4924 board. Some one cleaned board, cant see burned items or corrosion. PPBUS_G3H is shorted ground when i inject voltage ppbus_g3h line after remove F7140 no where worming up:( checked every place board for any hot parts nothing. Note...