[pianotech] Sticky button

[Richard Ucci]

Yamaha dc techs,
The play/pause button on a clients yammy is sticking after being  
pressed.
It unsticks after being pressed again.

Is it ok to spray some contact cleaner in the area, or does the unit  
need to be
dismantled etc.

Rick Ucci/ Ucci Piano
www.uccipiano.com