geekhack Community > Ergonomics

Dead key on Kinesis Advantage 2

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urend:
Hi all. One of the keys on my Kinesis Advantage 2 is dead. Any idea what would be the most likely cause of this? I've heavily used this keyboard for about 3 years and it's been great.

vvp:
Typically, it is the switch itself. Some boards support switch disassembly without without de-soldering (likely not true for kinesis advantage2). If it is supported then pulling the top switch cover and cleaning it may help. Otherwise you need to de-solder it all and replace the switch.

You can check the switch with ohm-meter on powered off keyboard. Measure continuity on the switch while it is pressed/released (measure against the corresponding diode direction). It should give (near) disconnected result while the switch is not pressed. If it does not give a clear connected/short result when the switch is pressed then it is definitely bad. Otherwise you do not really know and you need to check with oscilloscope on a live (powered and functioning) keyboard.

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