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hi, ok for the green light. I check the data cable is OK.
Voltage:
SDA= 0,1V
SCL= 0,7V
in diode mode with battery, no power:
SDA=0,456V
SCL=0,456V
in diode mode without battery, no power:
SDA=0,52V
SCL=0,52V
Hi,
i have this board with orange light magsafe 3 but not green, when I test the Mac in MRI, can't detect power adapter.
I use an original power adapter 96W with original cable. the board is clean, no liquid, nothing burn.
I try the board without battery (orange led), is it normal?
the Mac work...
ok but not work on Mac? how do you do? parallels? yesterday, I try another battery functional, the Mac work perfectly with good battery.
I think I receive bad battery by apple.
thanks
yes I'm an IRP repair office. I have order 2 new top case with battery in GSX. but same problem with 2 battery.
I try just one on another Mac same problem after I order the second battery.
I thinks it's strange apple send 2 defectives battery but maybe possible.
no more test point to check? I...
ok I restore the Mac in DFU.
I stay the Mac in charge all this night, the problem is always here, with the 2 original part.
the battery charge with the genuine battery.
AST2 problem
I think the battery is not seen by the motherboard. I change the BMU flex 3 times.
another thinks to check on the...
Hi,
i have this Mac board 820-1700, the board work well on battery with a genuine battery but not original.
No liquid spill, the customer say, Mac don't use since 2019 when he want to use now not work. I try 2 original battery (come by apple with top case). I restore the Mac in DFU same...
i have change the PMIC for 820-01700. I have 5V 0,050A now.
short is remove, I have PPBUS_G3H=12V
I have PP1V8_SLPS2R short too, when I inject 1V I have T2 chip become hot, can I replace it?
I think 'no' 🙃
thanks
Hi,
i have this board liquid spill U7800 is short on signal PP3V3_G3H_SOCPMU.
i remove the component short is remove, but is in the component.
Can I change it to keep on donor board?
thanks
Best regards
Hi,
this board 820-00850 is lock to 5V 36ma (no liquid spill, no DFU).
i have PPBUS = 12,29V, PP3V3_G3H = 2,5V to 3,3V no fix.
i inspect the board in microscope, I don't see a short.
Big coil seems ok except L7270= 0,010 & L8102=0,065 in diode mode
can you help me please?
thanks