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Power supply connections
8
Owner’s Manual
Power supply connections
Power supply connections
1. Make sure that the instrument’s POWER switch on the rear panel is at the OFF position.
2. Connect the supplied power cord to the AC INLET on the instrument’s rear panel.
3. Connect the other end of the power cord to an AC outlet. Make sure your S90 ES meets the
voltage requirement for the country or region in which it is being used.
Make sure your S90 ES is rated for the AC voltage supplied in the area in which it is to be used (as listed on the rear panel).
Connecting the unit to the wrong AC supply can cause serious damage to the internal circuitry and may even pose a shock
hazard!
Use only the AC power cord supplied with the S90 ES. If the supplied cord is lost or damaged and needs to be replaced, contact
your Yamaha dealer. The use of an inappropriate replacement can pose a fire and shock hazard!
The type of AC power cord provided with the S90 ES may be different depending on the country in which it is purchased (a third
prong may be provided for grounding purposes). Improper connection of the grounding conductor can create the risk of
electrical shock. Do NOT modify the plug provided with the S90 ES. If the plug will not fit the outlet, have a proper outlet installed
by a qualified electrician. Do not use a plug adapter which defeats the grounding conductor.
Setting up and Playing
POWER
OFF
Power cord (included)
Power Switch
AC INLET
WARNING
WARNING
WARNING