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Zyxel NAS542 or NAS540

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Hi everyone, (my first post on forum)

I'm having difficulties with my NAS unite Zyxel NAS542 and looking for schematics or service manual ( the NAS540 it's the same unite just a small diffrence in color).

Brand: Zyxel

Model: NAS542

Zyxel NAS542



Symptom: the device is shorted, I think it's near the input 19V (left, down corner of PCB).

any of your advice will be appreciated.


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Is this edit fine?