1. Introduction
This manual provides essential instructions for the safe and effective use of your UpBright 12V AC/DC Adapter. This power supply is designed to provide stable 12V DC power to compatible electronic devices, including various Teac TN-series turntables and SR-Lxi audio devices. Please read this manual thoroughly before use and retain it for future reference.
2. Safety Instructions
- Ensure the adapter's voltage and current ratings match your device's requirements before connecting. Incorrect voltage or current can damage your device.
- Do not expose the adapter to water, moisture, or extreme temperatures.
- Avoid dropping or subjecting the adapter to strong impacts.
- Do not attempt to open or modify the adapter. There are no user-serviceable parts inside.
- Keep the adapter away from children and pets.
- Unplug the adapter from the power outlet when not in use for extended periods.
- If the adapter or its cable appears damaged, discontinue use immediately and seek a replacement.
3. Package Contents
- 1 x UpBright 12V AC/DC Adapter
4. Product Overview
The UpBright 12V AC/DC Adapter is a compact and reliable power supply designed for various electronic devices. It features a standard US-style plug and a barrel connector for device input.

Figure 4.1: Front view of the UpBright 12V AC/DC Adapter, showing the main unit, power prongs, and output cable with barrel connector.

Figure 4.2: Detailed view of the barrel connector, highlighting its dimensions and type for compatibility verification.

Figure 4.3: Example of international outlet adapters (AU, EU, UK) that may be included with international orders, alongside a sample warranty certificate.
5. Setup
- Verify Compatibility: Before connecting, ensure your device requires a 12V DC input and that its current draw does not exceed 1A (1000mA). Also, confirm the barrel connector size matches your device's input port.
- Connect to Device: Insert the barrel connector end of the UpBright adapter firmly into the DC input jack of your electronic device.
- Connect to Power Outlet: Plug the AC prongs of the adapter into a standard 100-240VAC 50/60Hz wall outlet.
- Power On Device: Once connected, power on your device as per its own instructions.
6. Operating Instructions
The UpBright 12V AC/DC Adapter operates automatically once connected to a compatible device and a power outlet. It provides a stable 12V DC output. The adapter incorporates safety features such as:
- OVP (Over Voltage Protection): Protects against excessive output voltage.
- OCP (Over Current Protection): Safeguards against excessive output current.
- SCP (Short Circuit Protection): Prevents damage from short circuits.
No user intervention is required for its operation beyond proper connection.
7. Compatibility
This UpBright 12V AC/DC Adapter is compatible with, but not limited to, the following Teac models and power supply part numbers:
- Teac TN-Series Turntables: TN-300, TN-300-R, TN-300-TB, TN-300-CH, TN-300-NA, TN-300W, TN-300SE-WA, TN300, TN300R, TN300TB, TN300CH, TN300NA, TN300W, TN-300R, TN-300TB, TN-300CH, TN-300NA, TN-300 SE, TN-570, TN-570-B, TN570, TN570B, TN-100, TN-100-B, TN-100-CH, TN100, TN100B, TN100CH.
- Teac SR-Lxi Audio Devices: SR-Lxi, SR-Lxi-B HI-FI Dock Alarm Clock Digital FM/AM Table Radio.
- Compatible Power Supply Part Numbers: GPE053A-120050-Z, GPE053A-120050-1, GPE053A-120050Z, GPE053A-1200501, GPE053A120050Z, GPE053A1200501.
Always cross-reference the required voltage, current, and connector type of your specific device with the adapter's specifications.
8. Specifications
| Input Voltage | 100-240VAC, 50/60Hz |
| Output Voltage | 12VDC |
| Output Current | 0.5A - 1A (500mA - 1000mA) |
| Protection Features | OVP (Over Voltage Protection), OCP (Over Current Protection), SCP (Short Circuit Protection) |
| Product Dimensions | Approximately 4 x 3 x 2 inches |
| Item Weight | Approximately 3 ounces |
| Connector Type | Barrel Connector |
9. Troubleshooting
- No Power to Device:
- Ensure the adapter is securely plugged into a working wall outlet.
- Verify the barrel connector is fully inserted into your device's power input.
- Confirm your device is compatible with 12V DC and the adapter's current rating.
- Test the wall outlet with another device to ensure it is functional.
- Intermittent Power:
- Check all connections for looseness.
- Inspect the adapter cable for any visible damage or fraying.
- Ensure the adapter is not overheating. Disconnect and allow it to cool if it feels excessively hot.
- Adapter Overheating:
- Ensure the adapter is used in a well-ventilated area.
- Verify that your device's current draw does not exceed the adapter's maximum output (1A).
- If overheating persists, discontinue use and contact support.
10. Maintenance
- Cleaning: Disconnect the adapter from the power outlet and your device before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or solvents.
- Storage: Store the adapter in a cool, dry place away from direct sunlight and moisture when not in use. Avoid tightly coiling the cable to prevent damage.
11. Warranty and Support
Your UpBright 12V AC/DC Adapter is covered by a 30-day refund policy and a 24-month exchange warranty from the date of purchase. This warranty covers manufacturing defects under normal use.
For warranty claims, technical support, or any inquiries, please contact UpBright customer service through the retailer where the product was purchased or visit the official UpBright website for contact information.
Please have your purchase receipt and product model information ready when contacting support.
12. Disposal Information
This product should not be disposed of with household waste. Please dispose of it at an appropriate collection point for the recycling of electrical and electronic equipment. Proper disposal helps prevent potential negative consequences for the environment and human health.
