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no knocked off components
battery was removed before and after the tophalf replacement.
i do believe i didnt damage any components when changing the screen.
and i know im not the only 1 having this issue.
im thinking maybe from the part number/version of the screen
having issue. or maybe i...
( board alone, ?) yes
im still having high current even i used other ports
q/u3200 not over heating when i use this port but high current also.
around q/u3100 resistance compare to other port is normal.
(i also compare to other working board)
hello i would like to continue this issue, anyways i still not solve this issue.
now i have the same this issue with another a1708 with the same board number (820-00840-a)
here is the scenario for the 2nd time:
i recieved this macbook with the cracked lcd only, 1st i changed the top half...
hello got this a1707 no sign of corrossion i have spining fan no chime
ppbus_g3h is 12.6v
i notice that when i use to put the charger to u3100 designated usbport the q3100 is getting very hot.
i tried replace u3100/q3100 still the same.
but when i use another ports im having the same amp...
i have this macbook customer say cant on.
when i reconnect the battery and tried to charge can on.
but when i shutdown with battery alone cant on.
u can turn on only when the charger is conected. sometimes after boots shutdown itself. sometimes cant turn on totally
tried put the mainboard to...
customer say lastime can power on fan was spinning so fast until the macbook dies.
no sign of corrosion sometimes have green light most of the time dont have light on magsafe
same issue with or without battery replaced LIO board/flex,
can on but once u shut it down cant turn on again.
after trying to turn again after pressing power button from orange light it will turn to greenlight for 1sec then orange again
no fan spin no chime you must to reconnect the battery...
only can turn on when reconnect the battery. once u shutdown cant turn on again the charging indicator turns green
and then orange once u press power button. tried change battery still same
board is clean no sign of corossion
run diagnostics no issues found.
PPVBAT_AON 0V without battery
PPVBAT_AON 2.5V-3.2V looping with original battery (drained)
PPVBAT_AON 2.5V-3.2V looping with new battery with 70% change
using original 87watts usb c power adapter
(also change Q5230/40 came from a1932 Q7660/80 still the same issue)
this my mistake after i change this im not having 20v on usb meter.
so i tried put back the original Q5230/40
i tried change q5265 came from a1932 no changes
measurements below is the same before and after q5265 replacement...
after i changed u5200 came from a1932 board, now can on again, but im still not getting
voltage on PPVBAT_AON
also change Q5230/40 came from a1932 Q7660/80 still the same issue
PPVBAT_AON 0V diode to ground 1.542
bad U7100? i cant see this chip
Q5230/40 how to check? do u mean by replacing this two?
anyway i didnt get any voltage from L5230 and there is no shortcircuit on this area specially Q5230/40
there are chances to spoil this two Q5230/40 after replacing ISL9239?