Introduction
This manual provides instructions for the safe and effective use of your EPtech AC/DC Adapter. Please read this manual thoroughly before use and retain it for future reference. This adapter is designed to provide power to compatible Vizio E320VP and M261VP LED LCD TVs.
Important Safety Information
- Use only with compatible devices as specified.
- For indoor use only.
- Connect only to grounded electrical outlets.
- Do not expose the adapter to water or excessive moisture.
- Do not disassemble or attempt to repair the adapter.
- Ensure proper ventilation around the adapter during use to prevent overheating.
- Disconnect from the power outlet when not in use for extended periods.
- Keep out of reach of children.

This image illustrates the safety features of the adapter, including protection against over-temperature, over-voltage, over-current, and short circuits.
Package Contents
Verify that your package contains the following items:
- 1 x EPtech AC/DC Power Adapter (Model TNS30W-xy-z)
- 1 x AC Power Cord

This image shows the EPtech AC/DC adapter alongside its retail packaging, confirming the contents.
Product Overview
The EPtech AC/DC Adapter is designed to provide reliable power to compatible Vizio LED LCD TVs. It features a durable design and multiple safety protections to ensure stable operation.

A close-up view of the EPtech AC/DC adapter, showing the main unit with its label and attached power cords.

A detailed view of the adapter's label, showing input/output specifications and model number TNS30W-xy-z.

Diagram illustrating the anti-interference magnetic ring on the power cable, designed to enhance system reliability and stability.

An illustration detailing the internal structure of the power cable, highlighting the high-quality copper wire and PVC insulation jacket for durability.
Setup Instructions
- Ensure your Vizio TV (models E320VP, M261VP) is powered off and unplugged from any existing power source.
- Connect the barrel connector end of the EPtech AC/DC adapter to the power input port on your Vizio TV.
- Connect the AC power cord to the adapter unit.
- Plug the AC power cord into a standard, grounded electrical outlet (100-240VAC, 50/60Hz).
- The LED indicator on the adapter should illuminate, indicating power is being supplied.
- You can now power on your Vizio TV.

This diagram shows the total length of the power cord, with the adapter unit in the middle, indicating the 4ft DC output cable and 6ft AC input cable.
Operating Instructions
Once properly connected, the adapter continuously supplies power to your compatible Vizio TV. No further user interaction is required for its operation.
- The adapter is designed for continuous operation within its specified voltage and current limits.
- If the LED indicator on the adapter does not light up, check all connections and the power outlet.

This image highlights the durable and compact design of the power adapter, emphasizing its suitability for various environments.
Maintenance and Care
- Keep the adapter clean and free from dust. Use a dry, soft cloth for cleaning.
- Do not use liquid cleaners or aerosols directly on the adapter.
- Avoid placing the adapter in areas with high temperatures, direct sunlight, or poor ventilation.
- Do not place heavy objects on the power cord or adapter.
- Regularly inspect the power cord and adapter for any signs of damage, such as frayed wires or cracks. If damaged, discontinue use immediately and replace the adapter.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| TV does not power on. | Adapter not receiving power or not connected correctly. | Check if the adapter is securely plugged into a working wall outlet. Ensure the TV's power input is properly connected to the adapter's barrel connector. |
| Adapter LED is off. | No power input, faulty outlet, or adapter malfunction. | Verify the wall outlet is functional by testing with another device. Check all cable connections. If the issue persists, the adapter may need replacement. |
| TV powers on but then shuts off intermittently. | Overload, intermittent connection, or incompatible power. | Ensure the adapter specifications (voltage, amperage, wattage) match the TV's power requirements. Check for loose connections at both the TV and the wall outlet. |
If troubleshooting steps do not resolve the issue, please contact customer support.
Product Specifications
| Feature | Detail |
|---|---|
| Model Number | TNS30W-xy-z |
| Input Voltage | 100-240VAC, 50/60Hz |
| Output Voltage | 240 Volts |
| Amperage | 1 Amps |
| Wattage | 240 watts |
| Cable Length | Approximately 10 Ft (3 meters) |
| Connector Type | Barrel Connector |
| Safety Features | Over current protection, Total power protection, Over voltage protection, Short Circuit Protection |
| Certifications | FCC, CE, RoHS |
| Package Dimensions | 7.2 x 4 x 1.9 inches |
| Item Weight | 10.4 ounces |
Warranty and Customer Support
This EPtech product comes with a standard manufacturer's warranty. Please refer to the product packaging or contact customer service for specific warranty details regarding your purchase.
For any questions, problems, or support needs, please contact us directly:
Email: epcustomerservice@yahoo.com