Fried Xprotolab?

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10 years 3 weeks ago #1160 by khan295
Fried Xprotolab? was created by khan295
Hi everyone,
12v was accidentally applied to one of the logic pins and now my XMEGA Xprotolab will not power up. I'm trying to determine if certain components might be able to be replaced to get my device back into working order. After looking at the schematics and probing around I have realized that nothing on the board is receiving 3.3v. Pin 2 of the?AP7333-33 linear regulator is only showing ~100mV.
If anyone is able to offer any guidance/suggestions for getting my Xprotolab working again it would be greatly appreciated.
Thanks!

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10 years 2 weeks ago #1161 by mailmad
Replied by mailmad on topic Re:Fried Xprotolab?
Looking schematic, digital inputs go directly to microcontroller. So damage is almost certain firstly there, and maybe +somewhere around.

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