Question about Casio LK30 Note Lighted Keyboard

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Casio WK 1600 : Sustained keys

I have one octave of keys whereby the tone remains sustained after pressing them once and I am not able to play on these keys after that. The problem remains despite following the manual to switch off the power. Please advise. thanks in advance.

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  • Anonymous Feb 08, 2008

    casio wk 1600 some of the keys once pushed stay lighted and then have no sound

  • Anonymous Aug 01, 2008

    Same problem with a wk-3500. I have two sections of seven keys in a row that do this. At first it was just one section and one day it 'magically' cleared up. Now two sections are doing it.

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Hi,
The "sustained notes" means that those keys are not sending the "off" message that is sent upon the keys being released. Now it maybe that if you are filling up the memory with lots of notes at one time or a program is particularly heavy on sounds and settings, yes, this couuld prevent the message getting to the processor.
If this is a regular occurance, my feeling would be that the microswitches under the keys are wearingand require replacing (could be pricey compared to a new unit......but god bless ebay, someone will want it)

Posted on Nov 05, 2011

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Remove all power sources for at least 2 minutes. That means removing the batteries and power cord completely from the K board. Then try again. If that doesn't do it, it'll be time for a service visit...accordianman

Posted on Nov 19, 2007

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How do i fix a Yamaha P95 that sounds Es with Fs and Bb with Bs across all the octaves?


Whether it happens to all of the key?
If yes, transpose setting may have changed. Change the setting to normal (0).
If the normal transpose, but tuning is still not standardized, check Pitch Setting.
To Restore Standard Pitch setting:
Hold down the A-1, B-1, C0 and C # 0 keys simultaneously and press any key between C3 and B3.
View image :
fix-yamaha-p95-sounds-es-fs-bb-bs-across-vzw3qjj2ajjzgyoqcmqtppa4-4-0.jpgfix-yamaha-p95-sounds-es-fs-bb-bs-across-vzw3qjj2ajjzgyoqcmqtppa4-4-1.jpg

If the above procedure is still no effect, try resetting the factory settings / Initialize overall: :
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Initializing the Settings
When you initialize the settings, all backup data stored to this instrument will be initialized and reset to the factory default settings.
Turn off the power to the instrument. Then, simultaneously hold down the C7 key (right-most key on the keyboard) and turn the power on again.

NOTICE
Do not turn off the power to this instrument while it is initializing the data in its internal memory (that is, while the button indicators are flashing).

View image:
fix-yamaha-p95-sounds-es-fs-bb-bs-across-vzw3qjj2ajjzgyoqcmqtppa4-4-3.jpg

fix-yamaha-p95-sounds-es-fs-bb-bs-across-vzw3qjj2ajjzgyoqcmqtppa4-4-21.jpg

Notes:
If this instrument somehow becomes disabled or malfunctions, turn off the power to the instrument, then perform the initialization procedure.

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25848559-tr0bbbe1g5ua2mps4ks3loyz-1-0.jpg
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25549846-tdcpi2jrd5dx0fpyx5gf2f1d-3-0.jpg

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