asus gu603zx ,Help to locate a sot 23 5 marking JWLZT 2EG9N

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  • blze999
    New Member
    • Apr 2025
    • 8
    • United States

    #1

    asus gu603zx ,Help to locate a sot 23 5 marking JWLZT 2EG9N

    I can't seem to find this component anywhere i belive it is a sot 23 5 package but could be wrong. It is an asus gu603zx laptop motherboard ill add photos of what im seing in boardview it doesnt label the part. Thr schematics i have are for asus603he i cant find the 603zx. On the schematics it is a different component 6 pins ill show that as well not sure if that will help in identifying what it does so i can find a replacement. The board was powering on without it to bios but when i try to boot with ssd it goes into protect mode i belive. I located another sot 23 5 where the circuit looked similiar and pin 2 was ground that part number is 5ag19 ill also show the pin out from the board i got it off of. I started down this rabit hole, board had no power removed, 2 shorts board powered on to bios, but fans didnt spin. I started looking for other issues and seen that part was missing. I belive i was using incompatible fans and i think the part i put on shorted the audio chip out because i blindly put capicitors where i thought they went based on the other circuit. But the board is still booting to bios so that is where i am currently. May be a long shot but any advice/help will be greatly appreciated.
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  • mon2
    Badcaps Legend
    • Dec 2019
    • 14758
    • Canada

    #2
    Believe this will be from JOULWATT and JW is the company ID on the markings and LZT is the SMD code for this part. Hunt in progress...

    Bingo!

    Yes, load switch. Can be replaced by many others with the same footprint; pinout; current rating; enable pin polarity. Check diodes inc.; Texas Instruments; Microchip for their 'load switch' catalog.

    JOULWATT # JW7115S-2SOTA#TRPBF ; do review the datasheet for the suffix details = T&R packaging etc

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    Last edited by mon2; Yesterday, 09:59 PM.

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