Brand: YAMAHA
Category: Audio/Video
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for MCR-B020
Uploaded: Nov. 21, 2025, 6:20 p.m.
Warranty Information
Refer to the warranty information provided with your product for details.
This unit allows playback of music from external devices such as audio CDs, USB devices, or external devices via the AUX jack, and listening to the radio.
The Bluetooth technology enables clear sound without wire connections.
You can use your favorite music as an alarm, with the selected music playing at your specified volume at the set time.
It supports storing and recalling up to 30 FM and 30 AM radio stations (AM radio is for North America models only).
Bass, middle, and treble can be adjusted to your taste.
About this manual: Explanations focus on remote control operation. "!" indicates precautions and limitations, while " indicates supplementary explanations.
Troubleshooting and error codes
| General | Problem | Cause | Solution |
|---|---|---|---|
| The speakers make no sound. | The volume might be set to the minimum level, or muted. | Adjust the volume level. | |
| The source may be incorrect. | Select the correct source. | ||
| The speakers may not be connected securely. | Check the connections (P. 4). | ||
| Headphones are connected. | Remove the headphones. | ||
| Sound suddenly turns off. | The volume of a connected external device is not loud enough. | Raise the volume of the external device. | |
| The sleep timer may be set (P. 15). | Turn the unit on and play the source again. | ||
| The auto power standby function may have operated. | When the time specified for AUTO PWR STDBY in the option menu has elapsed (P. 14) or when 20 minutes have elapsed without any operation being performed after stopping USB device or CD playback, the unit will turn off automatically. | ||
| Sound is cracked/distorted or there is abnormal noise. | Input source volume is excessive, or volume of this unit is excessive (especially Bass). | Adjust volume with VOLUME, or use the option menu (P. 14) to adjust the bass range. If an external device is playing back, lower the volume of the external device. | |
| The unit does not operate properly. | The unit may have received a strong electrical shock such as lightning or excessive static electricity, or power supply may have dropped. | Press the reset button on the rear panel of the unit (P. 4) using a fine-tipped stick and restart the unit. | |
| The unit turns on but immediately shuts off. | The unit may be placed too close to the digital or high-frequency equipment. | Place the unit farther away from the equipment. | |
| A digital or high-frequency equipment produces noises. | The unit is too close to the digital or high-frequency equipment. | Move the unit away from the equipment. | |
| The clock setting has been cleared. | The unit remained unpowered for about one hour. | Plug the power cable into the wall outlet firmly, and set the clock again (P. 6). | |
| Alarm does not sound. | The unit is set to ECO standby. | In the option menu, set POWER SAVING to NORMAL (P. 14). | |
| The front panel display indicates "ALARM not work" and can't set the alarm. | The unit is set to ECO standby. | In the option menu, set POWER SAVING to NORMAL (P. 14). | |
| The unit turns off unexpectedly. | The auto power standby function may have operated. | When the time specified for AUTO PWR STDBY in the option menu has elapsed (P. 14) or when 20 minutes have elapsed without any operation being performed after stopping USB device or CD playback, the unit will turn off automatically. | |
| The remote control does not work properly. | The remote control may be operated outside its operation range. | For information on the remote control operation range, refer to "How to use the remote control" (P. 5). | |
| The remote control signal receiver on the unit (P. 2) may be exposed to direct sunlight or lighting (inverted fluorescent lamps). | Change the lighting or orientation of the unit. | ||
| The battery may be worn out. | Replace the battery with a new one (P. 3). | ||
| There are obstacles between the remote control signal receiver on the unit (P. 2) and the remote control. | Remove the obstacles. |