Brand: HITACHI
Category: Audio
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for AXF300E/EBS/UC/W/WUN CD CHANGER DAR100E 2 WAY SPEAKER SYSTEM HSR30
Uploaded: Nov. 21, 2025, 8:13 p.m.
Warranty Information
This manual does not contain specific warranty information.
- Ensure the unit is installed horizontally with at least 10 cm of space around it for heat dissipation.
- Connect speakers, antenna, and power cord as shown in the connection diagrams.
- To turn the unit ON, press the POWER button. To switch to standby, press POWER again.
- The unit has a muting circuit and takes 5-6 seconds to stabilize after powering ON.
- Never open the unit or touch internal components.
- Protect the unit from moisture, dust, and excessive heat.
- Use only the specified disc types (marked with the "COMPACT disc DIGITAL AUDIO" logo).
Troubleshooting and error codes
| Symptom | Cause | |
|---|---|---|
| Countermeasure | ||
| General | Unit does not turn on when power operation switch is pressed. | • Power cord is not plugged into a power outlet. |
| General | No sound is produced from the speakers. | • VOLUME control is turned down. • Headphones are connected. • Speaker cords are not securely connected. |
| General | No treble sound is produced, or the position of the instruments is unclear. | • Speaker polarities (⊕ and ⊖) are inverted. |
| General | A source other than the desired one is heard. | • Function is not properly set. |
| Tuner-amplifier | Hissing sound is heard in FM programs. | • Antenna direction is poor. • Signals from the broadcast station are weak. |
| Tuner-amplifier | Hissing sound is heard in MW programs. | • Noise from a TV or interference from a broadcast station. |
| CD changer | Humming sound is heard in MW programs. | • Signals on the power cord are being modulated by the power source frequency. |
| CD changer | Total numbers of tracks not displayed when disc is loaded. | • Disc is loaded upside-down. • Disc is dirty. • Disc is not of the specified type. |
| CD changer | Nothing happens when operating buttons are pressed. | • Disc is loaded upside-down. • Foreign object on disc tray. |
| CD changer | Disc stops in the middle of a track and will not play properly. | • Disc is dirty. • Disc is scratched. |
| CD changer | Sound is broken. | • Dirt, fingerprint, spittle, etc, on disc. • Disc is scratched. |
| CD changer | Humming sound is heard when disc is played. | • Player is in an unstable place or a place that vibrates strongly. • Signals on the power cord are being modulated by the power source frequency. |