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i have just removed, not replaced i test again with replaced tomorrow, but i thought that without the rams I could see 19V return instead of 5V

hello i have on each usb c port 5V / 0.06A PPBUS_G3H = 12V PP20V_USBC_XB_VBUS= 0V

with thermal camera i have very small flash on U5200

i have remove the 2 nand but same, 5V stuck and 0.02A

I have mainboard stay on 5V and 0.020A no liquid damage, machine works normally and 1 day nothing PP3V3_AON = 3.3V PP3V8_AON = 3.8V PP5V_S2 = 0v F5200 = 12.2v

Yes, i have 5v on pin 12 yes I have put new mainboard all works, camera is good, battery, trackpad and mouse The problem is really on mainboard

?

check with lcd disconnected and same U6400 removed but same problem too

i can test remove U6400 for test without?

think no image in external because os is not installed after dfu test

yes very strange i enter correct in dfu and restore correct I start in target mode when push T button but not recognisez with the second machine

No corrosion, no liquid on all mainboard

Oh sorry, it's C6406

the machine worked perfectly. The customer wanted to restore the system, everything went well, he turned it off normally and put it away. then 1 week later he wanted to turn it back on, no more signs of life. he changed the battery and the same thing At that moment he decides to bring it to us...

hello, i have short on PPBUS_G3H and see C4606 is dead i have remove the machine start but no image i have led on caps lock but nothing other I enter in dfu and restore it but no logo nothing again Replace for test with new screen and new lvds cable between mainboard to screen and same

on picture no, only on battery i have put charger 85w original and put original battery and same problem

hello, i have short on PPBUS_G3H and see C4606 is dead i have remove the machine start but no image i have led on caps lock but nothing other I enter in dfu and restore it but no logo nothing again Replace for test with new screen and new lvds cable between mainboard to screen and same

PLT_RESET_L in diode mode compared with good mainboard is good and no short, i test smc bypass and i inform later

hello i have liquid damage on mainboard 820-00165 U3210 and around are bad, i have replace U3210, R2311/10 and clean other Macbook have orange light and start fan 1seconde and stop it With labo power supply, laptop start to 0.550A and stop directly, re-start and stop Bios update and same problem...

ALS_SCL/SDA lines on J4002 pin 8 and 9 corresponding to I2C_ALS_SDA and I2C_ALS_SCL i have 0.760 on this board and with good board 0.725 in diode mode to ground