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Hi! I have iMac 27 A1312 with no works 2 USB ports and Bluetooth No liquid and repairs on the board. I've tried to change the USB HUB - USX2061. No result Any idea ?

3V8_AON is stable, 3.8 volts But PPBUS_AON is floating constantly from 7v to 12,3v

Hello,everybody! I have another Macbook Pro 13 A2338 , Board 820-02020 no power, no liquid damaged PPBUS_AON is floating constantly like I have shortage . I've removed the F5200 and have good voltage on C5250 I've tried to inject some volts on this rail , but no current consumption... In...

Thank you ! I will order it, I don't have. APL1097 343S00440

Hi! I've removed the F5200 and voltage is 12,29v on C5250 Also, I have shortage on PP3v8_AON, 8 ohm in both sides on L5800/L5820/L5840 or C5890/C5891/C5892/C5893 and C5894 I had injected 3 volts on C5890 and saw that U7700 got hotter ... What do you think ? I must changed the U7700? It is PMIC...

And I have just 8 ohm on L5800/L5820/L5840 in diode mode It is PP3v8_AON rail

Oh! Sorry )) PPBUS_AON is 7,4 with and without battery

Thank you! ))) PP3v8_AON is 3,45v

Hello! Macbook Pro 13 A2338 , Board 820-02020 no power, no liquid damaged, like new! Look on the charger is 5,2V 0,46A on both ports PPBUS_AON is 7,4v U5200 is ok, I've changed it. Any idea?