This manual covers safety markings, warnings, and operating instructions for the Yamaha S90XS and S70XS synthesizers. It explains the risk of electric shock, the non‑serviceable nature of the unit, and proper handling of the built‑in non‑rechargeable battery.
Contact information for Yamaha regional offices, disposal guidelines, and environmental notices are also included, helping owners comply with local regulations and obtain support when needed.
| Model | S90XS / S70XS |
|---|---|
| Battery type | Small non‑rechargeable battery (≈5‑year life) |
| User‑serviceable parts | None (refer to qualified service personnel) |
No, the unit has no user‑serviceable parts; servicing must be performed by qualified personnel.
Do not recharge, disassemble, or incinerate the battery; follow local disposal regulations.