1. Introduction
This manual provides essential information for the safe and effective use of your onerbl AC Adapter, designed as a compatible replacement power supply for GPX PD730 B and PD730w Portable DVD Players. Please read this manual thoroughly before use and retain it for future reference.
2. Safety Information
To ensure safe operation and prevent damage, observe the following precautions:
- Proper Voltage: Ensure the adapter's input voltage range (AC 100-240V) is compatible with your power outlet.
- Indoor Use Only: This adapter is designed for indoor use. Do not expose it to rain, moisture, or extreme temperatures.
- Avoid Overloading: Do not connect devices that exceed the adapter's specified output capacity.
- Cable Care: Do not bend, twist, or pull the power cord excessively. Keep it away from heat sources and sharp edges.
- Disconnection: Always unplug the adapter from the power outlet before cleaning or if it will be unused for an extended period.
- Protection Features: This adapter includes built-in safeguards against short-circuit, over-voltage, and over-current conditions to protect your devices.

Image: The onerbl AC adapter features multiple protection mechanisms, including safeguards against short-circuit, over-voltage, and over-current, indicated by respective icons.
3. Product Features
The onerbl AC Adapter offers reliable power delivery with the following characteristics:
- Universal Input: Supports AC 100-240V, 50/60Hz, allowing for worldwide compatibility.
- High Quality: Constructed with durable materials for consistent performance.
- Safety Protections: Integrated over-voltage, over-heat, and short-circuit protection.
- Durable Design: Features a robust PVC jacket and copper wire for enhanced longevity and efficient power transmission.

Image: The onerbl AC adapter, showing its compact design and integrated power cord with a barrel connector.

Image: A diagram illustrating the durable construction of the power cable, highlighting the internal copper wires and the protective PVC jacket.
4. Specifications
| Feature | Detail |
|---|---|
| Input Voltage | AC 100-240V, 50/60Hz |
| Output Voltage | 12V DC (compatible with GPX PD730 B / PD730w) |
| Adapter Dimensions (approx.) | 2.6 inches (Length) x 1.6 inches (Width) x 1.2 inches (Height) |
| Cable Length | 76 inches (approx. 6.3 feet) |
| Manufacturer | Shenzhen Waweis Technology Co., Ltd |

Image: Front and side views of the onerbl AC adapter, displaying its compact form factor and input specifications.

Image: Visual representation of the AC adapter's dimensions (2.6 x 1.6 x 1.2 inches) and the total cable length of 76 inches.
5. Setup
Follow these steps to connect your onerbl AC Adapter:
- Verify Compatibility: Ensure your device, the GPX PD730 B or PD730w Portable DVD Player, requires a 12V DC power supply.
- Connect to Device: Insert the barrel connector of the AC adapter's cable firmly into the DC input port of your portable DVD player.
- Connect to Power Outlet: Plug the AC adapter into a standard wall power outlet (AC 100-240V).
- Power On: Once connected, you can power on your portable DVD player.

Image: The onerbl AC adapter connected to a power strip, demonstrating a typical setup in a workspace environment.
6. Operating Instructions
The onerbl AC Adapter operates as a direct power supply. Once properly connected to both the power outlet and your GPX portable DVD player, it will provide continuous power. There are no additional controls or settings on the adapter itself.
- Ensure the adapter is securely plugged into both the wall outlet and your device.
- The adapter will supply power as long as it is connected to a live power source.
7. Maintenance
To maintain the performance and longevity of your AC adapter:
- Cleaning: Disconnect the adapter from all power sources before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or solvents.
- Storage: When not in use, store the adapter in a cool, dry place, away from direct sunlight and extreme temperatures. Avoid tightly coiling the cable.
- Inspection: Periodically inspect the cable and adapter housing for any signs of damage, such as cuts, fraying, or cracks. If damage is found, discontinue use immediately.
8. Troubleshooting
If you encounter issues with your AC adapter, consider the following:
- No Power to Device:
- Ensure the adapter is fully plugged into a working wall outlet. Test the outlet with another device.
- Verify the barrel connector is securely inserted into the DVD player's DC input.
- Check the power cable for any visible damage.
- Device Not Charging (if applicable):
- Confirm that your DVD player model supports charging via the DC input while powered on or off.
- Ensure the adapter's specifications match the power requirements of your device.
- Adapter Overheating:
- While some warmth is normal, excessive heat may indicate an issue. Disconnect immediately.
- Ensure the adapter is not covered or placed in an area with poor ventilation.
If troubleshooting steps do not resolve the issue, contact the seller for further assistance.
9. Warranty and Support
For information regarding warranty coverage, return policies, or technical support, please refer to the documentation provided at the time of purchase or contact the seller directly. The manufacturer, Shenzhen Waweis Technology Co., Ltd, provides this product through various retailers.





