yamaha cvp 401 functions disabled

by marco
(Eboli (SA) Italy)

My son has disabled all functions on my yamaha cvp 401, I can use only piano. How can I unlock them?

Thank you so much for your answer.
Marco Postiglione

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Mar 12, 2020
Rating
starstarstarstarstar 		CVP401
by: douglas

These comments give me hope.
BUT
Mine turns on and there is a blank blue screen, no sound, no keys work, and no LED`s show light.
Tried both reset 1, (switch on with last white key depressed) and full on with last white and last 3 black). Keeping the on button depressed for 10 seconds.
The CVP has not been abused, but now its silent with a gloomy future.!
Jul 16, 2015
Rating
starstarstarstarstar 		Clavinova clp240
by: Anonymous

Can you help?
I have the display, but EVERY button pressed does nothing.
Grand Piano works, but can't change it.
I have tried the partial reset (top key), and the full reset (top key and top 3 blacks) to no avail.
Is there anything else I can do
Jan 26, 2015
Rating
starstarstarstarstar 		Display does not work
by: Pete

The partial reset turned my display back on but lost my presets. I was about to junk my Clavinova but found this web site just in time. Thank you guys so much.
Hold the top white key down while turning on the main switch.
Sep 08, 2010
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starstarstarstarstar 		Solved
by: Rebecca

I've solved my problem using the partial reset that Marco told us about. Thanks Marco!!I pressed thelast white key while turning the clavinova on, the partial reset didn't empty my recordings and it unlocked the screen. Perfect! Thanks every body!
Sep 01, 2010
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starstarstarstarstar 		same problem
by: Rebecca

I have the same problem with a yamaha cvp 205. I can't save recordings, I can't access menu, functions, voice, accompaniment track, record, tap tempo, transpose.... anything!! all the buttons are disabled. I dont want to reset, I dont wANT TO loose my recordings. I have read the instructors manuals. I have no ideia what to do. Please help.
Aug 31, 2010
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starstarstarstarstar 		Yamaha CVP Functions
by: Alfred

Dear Marco: Sorry I forgot to ID myself in earlier post dated AUG.28 I hope you've tried the resets as suggested. Let us know, please.
Aug 28, 2010
Rating
starstarstarstarstar 		CVP 401 Functions
by: Anonymous

Dear Marco: I'm not familiar with your unit. On PSR models a Partial Reset or a Full Reset usually does the trick. First save any recordings you've made, then for a Partial Reset, press the last white key WHILE turning your unit ON. If you want to try a Full Reset, press the last white key AND last three black keys WHILE turning your unit ON. If these suggestions work, please let us know. Grazie!

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