UPBRIGHT UpBright 6V AC/DC Adapter
UpBright 6V AC/DC Adapter Instruction Manual
Compatible with Sony MZ-R50, MZ-R5ST, MZ-R30 Portable Minidisc Recorders & ICF-SW55 Receiver Radio
1. Introduction
This manual provides essential information for the safe and effective use of your UpBright 6V AC/DC Adapter. This power supply is designed to provide reliable power to various compatible Sony portable devices, including the Sony MZ-R50, MZR50, MZ-R5ST, MZ-R30 Portable Minidisc Recorders, MD Walkman models, and the Sony ICF-SW55 Receiver Radio, replacing the Sony AC-E604 adapter.
Please read this manual thoroughly before using the adapter to ensure proper operation and to prevent damage to the product or connected devices.
2. Important Safety Information
To reduce the risk of electric shock, fire, or injury, always follow these basic safety precautions:
- Read all instructions: Before using the adapter, read and understand all instructions provided in this manual.
- Proper voltage: Ensure the wall outlet voltage matches the input voltage range specified on the adapter (100-240VAC, 50/60Hz).
- Avoid moisture: Do not expose the adapter to rain, moisture, or extreme humidity. Do not use it near water.
- Ventilation: Ensure adequate ventilation around the adapter. Do not cover it or place it in an enclosed space that restricts airflow.
- Cable care: Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where they exit from the adapter.
- Disconnect power: Always unplug the adapter from the wall outlet before cleaning or when not in use for extended periods.
- No user-serviceable parts: Do not attempt to open or repair the adapter. Refer all servicing to qualified service personnel.
- Protection features: This adapter includes Over Voltage Output Protection (OVP), Over Current Output Protection (OCP), and Short Circuit Output Protection (SCP) to safeguard your devices.
3. What's in the Box
Your package should contain the following item:
- 1 x UpBright 6V AC/DC Adapter

Image of the UpBright 6V AC/DC Adapter, showing the main unit with the attached power cord and barrel connector.
4. Setup Instructions
Follow these steps to set up your UpBright 6V AC/DC Adapter:
- Verify Compatibility: Ensure your device requires a 6V DC input and has a compatible barrel connector. This adapter is specifically designed for Sony MZ-R50, MZR50, MZ-R5ST, MZ-R30 Portable Minidisc Recorders, MD Walkman models, and the Sony ICF-SW55 Receiver Radio.
- Connect to Device: Carefully insert the barrel connector of the adapter into the DC input jack of your compatible Sony device. Ensure a snug fit.
- Connect to Power Outlet: Plug the AC prongs of the adapter into a standard wall power outlet (100-240VAC, 50/60Hz).
- Power On Device: Once connected, you can power on your device. The adapter will supply power and/or charge the device's battery if applicable.

The UpBright 6V AC/DC Adapter displayed with various international plug adapters (AU, EU, UK) for global compatibility. Ensure you use the correct plug adapter for your region if applicable.
5. Operating Instructions
The UpBright 6V AC/DC Adapter functions as a direct power source and/or battery charger for your compatible portable Sony device. Once properly connected:
- The adapter will automatically provide the necessary 6V DC power to your device.
- If your device has a rechargeable battery, the adapter will initiate the charging process according to your device's specifications. Refer to your device's manual for specific charging indicators.
- The adapter is designed for continuous use within its specified operating parameters.

A close-up view of the UpBright AC Adapter's label, showing input/output specifications, safety certifications, and 'Made in China' text.
6. Care and Maintenance
Proper care ensures the longevity and optimal performance of your adapter:
- Cleaning: Disconnect the adapter from the power outlet and the device before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or aerosols.
- Storage: When not in use, store the adapter in a cool, dry place, away from direct sunlight and extreme temperatures. Avoid tightly winding the cord to prevent damage.
- Inspection: Periodically inspect the adapter and its cord for any signs of damage, such as cuts, frayed wires, or bent prongs. If damage is found, discontinue use immediately.
7. Troubleshooting
If you encounter issues with your adapter, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not receiving power/not charging. |
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| Adapter feels unusually hot. |
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8. Specifications
| Feature | Detail |
|---|---|
| Brand | UPBRIGHT |
| Input Voltage | 100-240VAC, 50/60Hz (World Wide Input Voltage) |
| Output Voltage | 6V DC |
| Amperage | 300 Milliamps (0.3A) |
| Connector Type | Barrel Connector |
| Compatible Devices | Sony MZ-R50, MZR50, MZ-R5ST, MZ-R30 Portable Minidisc Recorder MD Walkman, Sony ICF-SW55 Receiver Radio (replaces Sony AC-E604) |
| Protection Features | OVP (Over Voltage Output Protection), OCP (Over Current Output Protection), SCP (Short Circuit Output Protection) |
| Included Components | 1 adapter |
| Item Weight | 3 ounces |
| Manufacturer | upbright |
9. Warranty and Support
UpBright products are designed for reliability and performance. This product comes with the following:
- Refund Policy: 30 days refund period.
- Exchange Policy: 24 months exchange period.
For technical support, warranty claims, or any questions regarding your UpBright product, please refer to the contact information provided with your purchase or visit the official UpBright website.

The UpBright 6V AC/DC Adapter shown alongside a document indicating a limited warranty certificate and product warranty seal.
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