Sony MHC-EC55 Operating Instructions
![Sony MHC-EC55 manual cover](/images/4a23a4f08ccd59fd1e38f269/thumbs/thumb175x175.webp)
To reset the Sony MHC-EC55 to its factory settings, turn off the unit. Then, hold down the "STOP" button and press the "POWER" button simultaneously. Release the buttons when "COLD RESET" appears on the display.
If there is no sound, check the speaker connections to ensure they are secure. Make sure the volume is turned up and the correct input source is selected. Also, verify that the unit is not set to "MUTING".
To improve FM reception, extend the FM antenna fully and adjust its position for the best signal. Avoid placing the unit near electronic devices that may cause interference.
The "PROTECT" message indicates a potential short circuit or speaker issue. Turn off the system, disconnect all speakers, and then reconnect them one by one. Make sure there are no wires touching each other.
The Sony MHC-EC55 does not have Bluetooth functionality. You can connect your smartphone using an auxiliary cable to the audio input.
The Sony MHC-EC55 can play standard audio CDs, CD-Rs, and CD-RWs that contain audio tracks. It does not support MP3 or other digital audio file formats on CDs.
To set the clock, press the "CLOCK/TIMER SET" button, then use the "TUNING +/-" buttons to set the hour. Press "ENTER" and use the "TUNING +/-" buttons again to set the minutes. Press "ENTER" to confirm.
The Sony MHC-EC55 has a maximum power output of 70 watts per channel, providing a total of 140 watts for the stereo system.
To clean the CD lens, use a CD lens cleaning disc available at electronics stores. Follow the instructions provided with the cleaning disc for best results.
Yes, you can connect external speakers to the Sony MHC-EC55. Ensure the speakers are compatible and do not exceed the impedance rating specified in the manual.