Yamaha Keyboard PSRs910 Changing Voice

Discussion in 'General Keyboard Discussion' started by Dane William, May 9, 2016.

  1. Dane William

    Dane William

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    Hello everyone,

    I have a Yamaha Keyboard psrs910 that I purcased back in 2012. The keyboard worked fine until lately. About earlier this year, the keyboard started functioning weird. When I turn the keyboard on and start playing, the voices are being changed automatically without me pressing any button. Also, it happened about 3 or 4 times already that sometimes when I turn the keyboard on, the lights on the buttons are not turned on and therefore, not working. There is power, the keys are working, and I can only play the instrument as a piano whenever this occurs. Can some help with these problems?

    Thank you all,

    Dane William
     
    Dane William, May 9, 2016
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  2. Dane William

    happyrat1 Destroyer of Eardrums!!!

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    Possibly sticky buttons or a flaky rotary controller? Or perhaps more insidious power supply problems?

    Does the unit have a built in power supply or is it connected to a wall wart or a power brick?

    If the latter perhaps see if you can lay your hands on an identical unit and swap it out to see if it makes a difference?

    If the problem is the buttons or the rotary controller try giving them a workout to see if any of them are sticking or bouncing?

    If none of this works then you have pretty much exhausted the DIY diagnostic and repair capabilities of most people and you will probably have to seek out a professional repair.

    Gary ;)
     
    happyrat1, May 9, 2016
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  3. Dane William

    SeaGtGruff I meant to play that note! Moderator

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    I don't know if it would help, but you can download the Service Manual at http://elektrotanya.com/?q=showresult&what=Yamaha PSR S910&kategoria=&kat2=all. After you click on the search results and it goes to the page that shows an image of the manual's cover, you must wait patiently for a minute or so until you see a small "Get Manual" link appear in the text below the image. Be sure to click on that link and only that link, as any "download" buttons you might see are advertisements for software and have nothing to do with the Service Manual.

    Starting on page 60 of the Service Manual are instructions for a built-in test program that can be used to check out certain things. Again, I don't know if that would help, but it wouldn't hurt to try it. In any case, having the Service Manual might come in handy if you have any knowledge and ability needed to attempt maintenance yourself, or if you know anyone who could attempt it.
     
    SeaGtGruff, May 9, 2016
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  4. Dane William

    Dane William

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    Thank you very much for the information folks. I will try your suggestions and we'll see if it works. Again, thank you very much SeaGtGruff & happyrat1.

    Dane
     
    Dane William, May 12, 2016
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