Has any teardown for a yamaha psr series (keyboard) been implemented

yes i have a non responsive button on a Yamaha PSR - e433 , and was wondering if anyone had some input ?

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Which button is non responsive and what have you tried? If possible, post some images of your keyboard with your question. It is possible that some other Yamaha Keyboard may be similar


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Hopefully the Yamaha PSR-e404 is just a variation of the PSR-e403 as it is not listed on this Wikipedia list of Yamaha models. (I realize that it may not be accurate- scroll down to PSR-e models).


Here is a link for the service manual for a PSR-e403. It has all the usual information found in a service manual and it also details how to dis-assemble it. Hopefully it may be of some help.

When you open the link, written beneath the document preview box, it will say '..... downloadable free of charge processing '. Wait until it says Get Manual. Then you will be able to click on it (Get Manual) to download.


Update (04/13/2016)


Cannot find the service manual for a PSR- e433 but others online have said that a PSR-e423 is very similar, so this may be of some help. The conditions to download from the site are still as above.


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sorry about that everybody i got the model name wrong . the model i'm looking for is the Yamaha PSR e433!


.....so the same question applies !


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chris will be eternally grateful.
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