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Re: [disklavier] DC1IIXG Problem with Key sensor

2014-09-19 by mangez@...

There is no easy way of checking the output. There is a circuit board called the "Key Emission" circuit board on the key sensor rail under the keys, which contains the LED's. It's quite cheap, so the easiest option would be to get it replaced.

I found that the LEDs seem to go dim after a few years, causing the problem you mention. In most cases, I've found the circuit board above fixes the problem. (although I have also come across the odd case where a mouse has chewed through the cable - including the metal screening)

Adrian Thomas Music Services
www.adrianthomas.net

On Sep 19 2014, gmoehrke@... [disklavier] wrote:

Thanks Adrian - I can see that the LEDs are lit, but have no way of knowing whether they are bright enough. Is there a way to determine if the LEDs are causing the problem?

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