Ok Thanks for the answer. Oh yes, i certainly don't want to start improving and practice my electronic knowledge with my FS1R. I have some friends who are very better than me but i don't know where to guide them to find and solve the problem. In France, apparently its quite difficult to find a quali...

Hi again

I did the maesurements myself and where i should have 12 v, i get +11,92 v and -11,93 v

For the 5v, i get exactly 5v.

Do you think the voltages are ok or should i have exactly +12V and -12V ?

Hi

Thanks for your answer. A friend checked and said that it was ok. But i will do it again when i get back the proper tool for that and tell you the voltages.
What should be the proper voltage mesures ? And what do you mean by psu (sorry i m quite bad with electronic)

Hello guys, Thanks to rasputin on this forum who gave us the schematics, i think i may have found the possible malfunctioning chip on my FS1R. For a long time now, the user memory presets haven't been working well. Even after a factory reset, i get "@@@@@@@@@" for all the presets and after a while (...

Rasputin wrote:Here's another quite hard to find:

Yamaha FS1R Service Manual including Schematics...

Many thanks for that

I have now a little hope to heal my FS1R...