The Yamaha AN1x Synthesizer mailing list

Un-screw all the screws on the external base.

The panel then comes away quite easily.

Now you will see inside your AN1X -there is a little
PCB just of the long PCB with the keyboard contacts,
undo  the 4 screws for this PCB, but leave wires
attached, unplug 3 wire cable labelled 'AFT'. Now you
can access fully the keyboard PCB, carefully unplug
the ribbon connector from the long keyboard PCB- you
have to pull up the little locking pins on the side of
the socket, don't just try and pull the ribbon cable
straight out. Now undo all the screws for the keyboard
contact PCB - there are alot.

There is a plastic membrane which covers the rubber
contact strip, key are underneath.

It's all pretty obvious when you can see it all.

I have checked the contacts and they look perfect.


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