predator helios 300 ph315-53 Bad mosfet can't find replacement

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Mel_sag
Mel_sag Member Posts: 1 New User
edited September 2023 in Predator Laptops

Bad mosfet but can't find replacement. Aon6406 is no longer made. What will work? Acer predator helios 300 ph315-53. 230w power adapter.

[Edited the thread to add model name and issue detail]

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  • Commodore_1995#
    Commodore_1995# ACE Posts: 97,767 Trailblazer
    edited September 2023
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    Hello! How do you know the MOSFET is bad? Have you already checked the resistance between source and drain. The multimeter has to be continuous on one side. Then, reverse the multimeter tips, which should now not continue. Also, is the MOSFET cycling on and off between source and gate? The test must be done with the component off the board.
    Is this the MOSFET that passes the 19V to the charging IC?

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