Brand: HITACHI
Category: Audio
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for AX-M131U
Uploaded: Nov. 21, 2025, 8:01 p.m.
Warranty Information
No warranty information is provided in this manual.
System Overview
The HITACHI AX-M131U is a Hi-Fi Component System designed for versatile audio playback. It features a CD player, DAB/FM radio tuner, and USB input for MP3 playback. Key functions include volume control, equalizer settings (POPS, JAZZ, CLASSIC, ROCK, USER), bass boost, loudness control, and preset tuning for radio stations.
Basic Operation
Power On/Off: Press the Standby button. The system remembers its last mode. Volume: Use the volume knob on the amplifier or VOL +/- on the remote. Sound Quality: Adjust Super Bass (S-BASS) and Loudness via remote buttons. Preset Equalizer: Cycle through POPS, JAZZ, CLASSIC, ROCK, USER with the P-EQ button. Radio Tuning: Use FUNCTION/TUNER buttons, manual tuning (TU-/TU+), auto tuning, or preset tuning. CD Playback: Use the function button, Open/Close button for disc, and Play/Pause, Stop buttons. Direct track selection and search functions are available.
Troubleshooting and error codes
| Symptom | Possible Cause | Action |
|---|---|---|
| No sound is heard | Connections are incorrect, or loose | Check all connections and make corrections |
| Poor radio reception | The antenna is disconnected | Reconnect the antenna securely |
| The antenna is not properly extended and positioned | Extend antenna to the best reception position | |
| The disc skips | The disc is dirty or scratched | Clean or replace the disc |
| The disc does not play | The disc is upside down | Put the disc in with the label side up |
| The disc is dirty | Remove disc from player, wipe with a clean cloth and re-insert. | |
| Unable to operate the remote control | The path between the remote control and the sensor on the player is blocked | Remote the obstruction |
| The batteries have lost their charge | Replace the batteries | |
| Operations are disabled | The built-in microprocessor has malfunctioned due to external electrical interference | Unplug the system then plug it back in |