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at the begginig was working, i repair dust gate and the screen was flickerig a little like it is sometimes on begginig after repair that, after some time just stop giving video at all.

u8500 1,3,4-5,14 2-0 5,6-0 7-0 u8501 1,3,4-0 2-0 5,6-0 7-0

ppbus_aon - 508

nothing get hot on board ppvbus_usbc 1 or 2 0v

change to good keyboard and stop working, not starting , someting go wrong ...ppvbus_usbc 1,2 -0v

open mgl-0 nd-0 amr-1,79 closelcd the same and now he didnt switch of when i close its all time on

when close screen macbook dont switch off lcd. check on different top case and the same.

ok i hope last problem whit that macbook. all is working ok but when i close it macbook switch off lcd but he dont wake up after opening. i found water damage las sensor, i change that but its the same. if i turn off it will start again normaly.

lcd connected chime but no image 3V3_S0SW_LCD - 0v DP_INT_HPD-0v

ok but when i disconnect keyboard and power button from that small board there is still short, that board was changed too

when the keyboard board is connected there is short, disconected small board - no short

pmu is 0v whit and whitout keyboard

now the problem is that the power button dont work or its switched on all time because some times it get to chose options or start from disk. now i have support.apple on screen and power button dont work , cant switch off

i jump wire cc830 to nearest pp3v8_aon lt203 and now i get trackpad and keyboard working . thx a lot !

uc380 1- 0v 3-1,3v 4-0,85v uc860 all 0v uc840 1,2-1,66v 3-5,18v 5-5,18v 6-5,18v 7,8-0v uc820 1,2 - 0v 3-1,8v 4-1,8v 8-0v uc850 1-0v 2-1,79v 3,4,5-13,29v 6,7-0v...

water damage near cc830 and burned hole at that point in pp3v8_aon, i repair hole and change cc830, macbook start working but no trackpad and keyboard. i check connections of jt400 and all is ok. icheck whit new tracpad and the same

checked all connections two times even on keyboard connector on that little board get some power in keyboard but still nothing. i check pin 21 and 27 and change ur300 but still the same.

i check connections and find that lines i2c_kbc_slc and i2c_kbd_sda wasnt connected i make new connection but keyboard not working... backlight of keyboard work, power button work and touchbar working.

keyboard not working whit good used keyboard, all parts original