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  1. Thanks so much for the info! I will check the fuse and order a diode.
  2. Hello all. I just picked up an eMate 300 which will run off its battery fine, but is in need of repair because it was ran off of a non original power supply. On the main board there is a component marked DZ1 right next to the power input that got very hot and is fried. I am assuming it is a zener diode to regulate the input voltage, it has markings on it "721 KV" Can anyone tell me the value of this component for sure? Does anyone have a schematic of the board? I have a good suspicion that this is the only damage and if I know what value this zener is I could fix it. Thanks in
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