Palhano
Member
I always get this model board with this problem.
It had oxidation near UB300, with a short on the PP3V3_UPC_TA_LDO (CB308) line. I ended up with the short and the UB300 pulled 5v - 0a, the others 5v - 0.25a. So I replaced the UB300, now all ports pull 5v - 0.25a.
Voltages and measurements in diode mode on the CD3215 are OK.
I have voltages on AWAKE and SLPS2R on the U7800.
I don't have a short or voltage on the SSD and G3S lines.
It goes into DFU mode, but gives an error when restoring.
DFU state to DFU state.
[com.apple.MobileDevice.MobileRestore -
OxFCA (4042)]
Any tips?
It had oxidation near UB300, with a short on the PP3V3_UPC_TA_LDO (CB308) line. I ended up with the short and the UB300 pulled 5v - 0a, the others 5v - 0.25a. So I replaced the UB300, now all ports pull 5v - 0.25a.
Voltages and measurements in diode mode on the CD3215 are OK.
I have voltages on AWAKE and SLPS2R on the U7800.
I don't have a short or voltage on the SSD and G3S lines.
It goes into DFU mode, but gives an error when restoring.
DFU state to DFU state.
[com.apple.MobileDevice.MobileRestore -
OxFCA (4042)]
Any tips?