9XR Pro won't turn on and "buzzes"

Cant get your radio to work? General Hardware issues?
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nuttybrewer
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Joined: Wed Jul 22, 2015 8:38 pm
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9XR Pro won't turn on and "buzzes"

Post by nuttybrewer »

Hi all,

I believe I may have "shorted" the output pins while attempting to flash the firmware on my X8R XJT module via the s-bus pins inside the module bay.

Turning the radio off/on no longer shows the bootloader (the screen doesn't even turn on). All I get is a weird continuous buzzing sound and that's it.

Any ideas of where to start with troubleshooting this? I'm looking for a schematic if possible.

Pat

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