Sony ST-JX390 Operating Instructions
![Sony ST-JX390 manual cover](/images/1a960bfdaa6b2de1b54997aa/thumbs/thumb175x175.webp)
To set preset radio stations, tune in to the desired station, press the 'Memory' button, select a preset number using the tuning knob, and then press 'Enter' to save.
Check if the power cord is securely connected to both the unit and the power outlet. Ensure the outlet is functioning by testing with another device. If the issue persists, consult the user manual or contact support.
Make sure the unit is powered on. If the display remains off, try resetting the unit by unplugging it for a few minutes and then plugging it back in. If the problem continues, seek professional assistance.
To improve FM reception, extend and adjust the position of the FM antenna. Placing the unit near a window or away from other electronic devices can also enhance reception.
Ensure the volume is turned up and check that the unit is not muted. Verify that the speakers are correctly connected and that the correct input source is selected.
To reset to factory settings, turn off the unit, then press and hold the 'Power' button for about 10 seconds until you see a confirmation on the display.
Use a soft, dry cloth to clean the exterior. Avoid using harsh chemicals or abrasive materials. Regularly check connections and ensure the unit is kept in a dry, cool place.
Check the tuning settings and adjust the frequency manually if needed. Ensure the antenna is properly connected and positioned for optimal reception.
Connect the speaker wires to the corresponding speaker output terminals on the rear panel. Ensure the connections are secure and the polarity is correct.
Yes, the unit can be connected to a home audio system using the line-out or auxiliary outputs. Refer to your audio system's manual for specific connection instructions.