Question about Yamaha PSR-S750 61-Key Arranger Keyboard
My pedalboard will not play the selected voice.Only the startup piano voice
Posted by Anonymous on
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Posted on Jan 02, 2017
There are flexible cables that connect the keys to the main electronics. The connectors for those cables sometimes age poorly..
It is fixable. But dont "get taken" on a repair.
If it's just resoldering a few points,it shouldnt be more than $100.00
Posted on Jan 12, 2009
SOURCE: Yamaha PSR-510 Keyboard
There is no need for a manual. It is so easy to operate because it is designed for easy opeating. If you need a manual to operate the PSR-510 then you really won't be able to operate it even after studying the manual. But here it is just in case you can by some miracle!
Posted on Feb 10, 2009
SOURCE: Yamaha keyboard not working
First thing is to verify the power supply voltage, including that on the board.
This can affect the threshold of the keyboard scanning and cause keys to not work although some other things appear to work.
Replacing that chip in the filed is not practical, so whole board would be considered the FRU. One can probably get one from Yamaha America parts in CA.
Before doing that, checking the scanning signals and feedback from the keys needs to be checked with a scope. Also verify that the analog power amp section is working.
Posted on Feb 25, 2010
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