I received a regulated power supply Korad KA3005D, and as soon I turn it on the transformer sound very ugly and after a second... nothing.... then after 2 mins I realize that the power supply was set up to 110V (I have 220V here), so I replace the fuse, fix the voltage set up and powered, but not working...
Seems like the display control is dead.
brand new...
any idea ??, someone ?
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