Introduction
This manual provides instructions for the safe and effective use of your PK Power AC/DC Adapter, designed for compatible Yamaha P-115 series digital pianos. Please read this manual thoroughly before use and retain it for future reference.
Safety Information
- This adapter is designed for indoor use only. Do not expose to rain, moisture, or extreme temperatures.
- Ensure the adapter is connected to a power outlet with the correct voltage (100-240V).
- Do not attempt to open, modify, or repair the adapter. Refer all servicing to qualified personnel.
- Keep the adapter away from heat sources, direct sunlight, and flammable materials.
- Always disconnect the adapter from the power outlet before cleaning or when not in use for extended periods.
- Avoid placing heavy objects on the power cord or subjecting it to sharp bends.
Package Contents
- 1 x PK Power AC/DC Adapter
Setup Instructions
- Identify the power input port on your Yamaha P-115 series digital piano. This is typically a circular port labeled 'DC IN' or 'POWER'.
- Connect the barrel connector of the PK Power AC/DC Adapter to the power input port of your digital piano. Ensure a secure and snug fit.
- Plug the AC adapter into a standard 100-240V wall outlet.
- Power on your digital piano using its dedicated power switch.

Image showing the PK Power AC/DC Adapter with its barrel connector and wall plug, ready for connection.
Operating Instructions
Once properly connected to both the wall outlet and your Yamaha P-115 series digital piano, the adapter will provide continuous power. No additional operation is required for the adapter itself. The digital piano's power functions will operate as usual.
Compatible Models
This PK Power AC/DC Adapter is specifically designed for and compatible with the following Yamaha digital piano models:
- Yamaha P-115
- Yamaha P115
- Yamaha P-115B
- Yamaha P-115W
- Yamaha P115B
- Yamaha P115W
Product Specifications
| Feature | Detail |
|---|---|
| Input Voltage | 100-240V AC, 50-60Hz |
| Output Voltage | 12.0V (typical for compatible devices) |
| Wattage | 115 watts |
| Connector Type | Barrel Connector |
| Certifications | CE / FCC / RoHS |
| Protection Features | OVP (Over Voltage Protection), OCP (Over Current Protection), SCP (Short Circuit Protection) |

Image displaying the physical dimensions of the PK Power AC/DC Adapter.
Care and Maintenance
- Keep the adapter clean and dry. Use a soft, dry cloth for cleaning.
- Avoid exposing the adapter to extreme temperatures or direct sunlight for prolonged periods.
- Do not expose the adapter to water or any other liquids.
- Disconnect the adapter from the power outlet when not in use for extended periods to conserve energy and prevent potential hazards.
- Do not attempt to open or repair the adapter yourself. This may void your warranty and pose a safety risk.
Troubleshooting
No Power to Digital Piano
- Check Connections: Ensure the adapter is securely plugged into both the wall outlet and the digital piano's power input port.
- Verify Outlet Functionality: Test the wall outlet with another known working device to confirm it is supplying power.
- Piano Power Switch: Confirm that your digital piano's power switch is in the 'ON' position.
- Inspect for Damage: Visually inspect the adapter cable and connector for any signs of damage (e.g., cuts, frayed wires). If damaged, discontinue use immediately and replace the adapter.
Adapter Overheating
- Ventilation: Ensure the adapter is used in a well-ventilated area, free from obstructions that could block airflow.
- Compatibility: Confirm that the adapter is compatible with your specific digital piano model (refer to the 'Compatible Models' section). Using an incompatible adapter can cause overheating.
- Discontinue Use: If the adapter consistently overheats or emits a burning smell, discontinue use immediately and contact customer support.
Warranty and Customer Support
PK-Power products are designed for reliability and come with standard protection features. For specific warranty information, please refer to the documentation included with your purchase or visit the official PKPOWER website. Our customer service team is available to assist with any questions or issues you may encounter and aims to respond within 24 hours.
For further assistance or to explore other PKPOWER products, you may visit the PKPOWER Store on Amazon.





