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PX-330 off key - sometimes!


Trish S

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Just wondered how much successful boot-up depends on voltage? I have on occasion had problems getting my PX-330 to come in on correct key; usually switching off and re-booting once or twice cured it, but commonest reasons seem to be:

1. Using a long extension lead to connect to mains power. (so I always try to plug into an unshared power point direct from the piano's own lead if at all possible.)

2. Insufficient voltage as when trying to run off a generator at a country fair. (Turns out that the generator was barely churning out 200v instead of 240v, and it took about 5 minutes for the piano to boot up!)

3. (New one on me last night!) - the wall power sockets are fitted with power breakers - after 7 attempts to get in on key and consistently at least a semi-tone flat, I just had to use the fine tune facility to bring the piano up to the level of other instruments in the band - +47 on fine tune. Thank goodness I had the handbook with me. Has anyone else encountered this?

Checked the piano again when I got home, and it was spot on, without any fine tuning! So do power breakers generally affect tuning?

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Sorry for the double post: Must be getting old. Couldn't find my original post.

And it was a different scenario from 2013: I strongly suspect the power breaker sockets were "stealing" some of the power, and thus affecting pitch. No problems anywhere since using normal UK power sockets, so doubt if it's the pitch-bender at fault.

I'll delete the other post if I can.

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