Brand: YAMAHA
Category: Audio/Video
Document Type: Manual
Language: EN
Manual for CRX-E400
Uploaded: Nov. 21, 2025, 6:34 p.m.
Warranty Information
Refer to your authorized YAMAHA dealer or service center for any service needs.
- Basic Operations: Turn on the unit, adjust volume, select input source, and play audio. Adjust bass, treble, and balance as needed. Connect headphones for private listening. The unit features an auto standby function.
- Tuning: Manually or automatically tune into FM and AM radio stations. Preset up to 40 stations for easy recall.
- RDS Functions: Utilize Radio Data System features like PS (Program Service), PTY (Program Type), RT (Radio Text), and CT (Clock Time) for enhanced radio listening. PTY SEEK allows searching for specific program types.
- CD Operations: Play, pause, stop, skip, and search tracks on CDs. The unit supports CD TEXT display. Features include random, repeat, and program play modes.
- Timer Functions: Set the clock for timer operations. Use the timer for automatic play or recording. A sleep timer can automatically turn off the unit.
- System Control: Connect and control other components like cassette decks (KX-E300) and MD recorders (MDX-E300). Features dubbing and copy time control functions.
- Troubleshooting: Check common issues like no sound, distorted sound, or remote control problems before contacting service.
Troubleshooting and error codes
| SYMPTOM | CAUSE | REMEDY |
|---|---|---|
| The unit does not switch ON when the STANDBY/ON switch is pressed. | The AC power cord is not connected or not completely connected. | Securely connect the power cord. |
| No sound from one speaker. | Loose speaker connections. | Connect properly. |
| The sound suddenly goes off. | The protection circuit has been activated because of a short circuit, etc. | Check the speaker wires are not touching each other and then turn the unit back on. |
| No sound from an external unit connected with this unit or play does not begin. | Incorrect cord connections. | Connect the cords properly. If the problem persists, the cords may be defective. |
| Input source selection is not proper. | Make a proper input source selection. | |
| The component connected to this unit is disconnected from AC outlet. | Connect the AC power cord of the component to an AC outlet. | |
| Sound distorted. | Interference from starting motor of a nearby car. | Position the FM antenna as high and as far away from nearby roads as possible. Connect using a coaxial cable. |
| Excessive static in FM broadcasts. | Interference from the thermostat of a nearby electrical appliance. | Check the antenna connection. |
| Antenna input is too weak due to obstructions or excessive distance from the broadcasting station. | Install a multi-element type FM antenna if possible. | |
| Noise increases during stereo broadcasts. | Insufficient antenna input. | Install an antenna appropriate for the electric field strength of your area. |
| Stereo broadcasts are noisy and STEREO indicator blinks on and off. | Preset memory has been erased. | Reprogram memory presets. |
| Cannot select preset stations. | Interference from sources such as lightning, fluorescent lights, electric motors or thermostat of nearby electrical appliance. | The problem is difficult to eliminate, but can be lessened by grounding AM loop antenna. |
| Buzzing or static during AM broadcasts. | TV or microprocessor is being used nearby. | Move away from TV or microprocessor. |
| AM broadcast sensitivity is poor. | Radio signal is weak or the antenna is not properly connected. | Properly connect the AM loop antenna. Change orientation of the AM loop antenna. Install an external AM loop antenna. |
| Cannot set timer. | Current time is not set. | Set current time. |
| The unit does not work normally. | The internal microcomputer has been frozen by an external electric shock (lightning, excessive static electricity, etc.) or the power supply with low voltage. | Unplug the AC power cord from the wall outlet, and then plug in again after about one minute. |