Key facts
- Brand
- Yamaha
- Model
- P-140
- Documents
- 3
- Languages
- EN · JA
- Last added
- 2012-06-12
Start here
YAMAHA P-140/P140S Owner's manual
The Yamaha P-140 is a digital piano that utilizes batteries or an external power supply. Users must strictly follow the provided safety instructions regarding electrical connections, ventilation, and placement to prevent injury or damage.
Important warnings include avoiding high volume levels for extended periods to prevent hearing loss and ensuring proper battery installation if using household batteries. The manual advises against using extension cords unless necessary and specifies a minimum wire size of 18 AWG for cords up to 25 feet.
Yamaha P-140 specifications
| Input voltage | AC 100 V |
|---|---|
| Power adapter model | PA‑5D (or Yamaha‑approved equivalent) |
| Warranty period | 1 year from purchase date |
All Yamaha P-140 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the minimum wire size required for a 25-foot or shorter extension cord?
The manual states that the minimum wire size for a 25' cord (or less) is 18 AWG.
What are Yamaha benches designed for?
Benches supplied by Yamaha are designed for seating only, and no other uses are recommended.
What power source should be used with the Yamaha P-140?
The instrument must be powered from an AC 100 V source.
What should be done if the power‑adapter cable is damaged?
Stop using the adapter immediately and contact an authorized Yamaha service center for replacement.
What type of battery does the P-140 use?
It may contain a small non‑rechargeable battery with an approximate five‑year lifespan.
Where can I find the model number on the piano?
The model number, serial number, and power requirements are located on the name plate at the bottom of the product.