[chbot] Musical keyboard up for grabs.

Volker Kuhlmann list57 at top.geek.nz
Thu Apr 21 00:38:43 BST 2022

On Tue 19 Apr 2022 14:34:55 NZST +1200, Michael Field wrote:

> I've got a dead Yamaha NP11 digital keyboard (i.e. Digital Piano)
> sitting on my bench. Owner plugged in the wrong PSU, and killed the main
> logic board. it drags the 5V rail down to ~0.5V.

You probably thought of this, but did you check it's not just the power
converter on the PCB blown up? Even if the external power is some kind
of SMPS, chances are the board in the piano has its own regulator on top
of it.


Volker Kuhlmann
http://volker.top.geek.nz/	Please do not CC list postings to me.

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