Https://www.bhphotovideo.com/lit_files/90227.pdf
This would seem to be what you are looking for.
SOURCE: Yamaha clavinova won't play C natural in any octave
Hi ...
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
to fix
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!
http://www2.yamaha.co.jp/manual/pdf/emi/english/port/PSR510E.pdf
SOURCE: I need the user manual for a Yamaha 88 keyboard
You can get all you need from here:
http://www.generalmanual.com/Musical-Instruments/Yamaha-S08-Music-Synthesizer.htm
SOURCE: I need a service manual for Roland FP8 piano, or..
Did you ever get hold of an FP-8 service manual? The weight replacement is relatively simple: The case opens by removal of eight screws, four at each end on the underside. The top then hinges up. Keyboard assembly is removed by first unplugging the two white ribbon connectors at the center, then removing the screws at the front edge (underneath) and the screws (gold) at the back of the assembly (accessible from the top). Keys pop out by spreading the two "wings" at the pivot point, and then the weights (Roland calls them "hammers") lift out. Roland will sell you new ones, but I have no idea whether the replacements are any better than the originals. I've done two of these pianos so far, and have a third waiting to be worked on. I do have a service manual, but I think I downloaded it freebee somewhere.
The other failure mode on this piano is the electolytic coupling caps on the output board - I've replaced all of them on both pianos - don't remember the value offhand.
Paul Prestopino
[email protected]
SOURCE: Is there a Yamaha school
Yamaha prefers to MAKE the instruments rather than conducting repair schools... they may have some very specialized schools for individual types when first introduced. With the situation in Japan right now such classes would be cancelled I am sure. Instrument repair is so specialized other than basic piano repair/tuning that you will find few if any courses. For piano repair you might want to search YouTube for videos. For organs and keyboards, detailed electronic knowledge and the service manuals are what we have to work with. You need both experience in digital and analog plus test equipment including oscilloscopes and signal generators as a start.
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