There were no short circuit detected on the 19V, main power rail of the motherboard. However, when the adaptor was plugged in and the voltage reading taken, it was identified that the voltage wasn't going beyond the first power mosfet and unto the rest of the motherboard.
An identical mosfet was found and removed from an acer nitro 5 donor board, the faulty mosfet was swapped out and the voltage reading was again measured. This time, voltage was passing through the replacement mosfet, but the unit still wouldn't turn on or charge. It was then observed that an IC was overheating on the motherboard and will also need to be replace.
An attempt was made to see if this IC could have been taken from the donor board, but unfortunately, when the donor board was observed, the IC on the donor board was burnt and could not be used. It would seems it was the same issue the donor board had with this IC going bad.
The Chip is labeled Pu301 .I've seen BVs for the Rev C1 but not B1. Not sure this chip would be the same. If anyone has a schematic that would be high appreciated.
An identical mosfet was found and removed from an acer nitro 5 donor board, the faulty mosfet was swapped out and the voltage reading was again measured. This time, voltage was passing through the replacement mosfet, but the unit still wouldn't turn on or charge. It was then observed that an IC was overheating on the motherboard and will also need to be replace.
An attempt was made to see if this IC could have been taken from the donor board, but unfortunately, when the donor board was observed, the IC on the donor board was burnt and could not be used. It would seems it was the same issue the donor board had with this IC going bad.
The Chip is labeled Pu301 .I've seen BVs for the Rev C1 but not B1. Not sure this chip would be the same. If anyone has a schematic that would be high appreciated.
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