Bebop,

I couldn't find an internal fuse on the power supply board. However, there are lots of plugs that could cause the same problem if they were jarred loose in shipping, and there have been reports of bad solder joints on the small PC board where the power supply plugs into the keyboard.

Good Luck,

Gary

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Travlin' Easy
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!

K+E=W (Knowledge Plus Experience = Wisdom.)