Brand: HITACHI
Category: Audio
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for AX-M138
Uploaded: Nov. 21, 2025, 7:24 p.m.
Warranty Information
No specific warranty period is mentioned in the provided pages.
Turning the Power On and Off
You can use all the functions on the panel of the unit or the remote control after turning the system power on (called Standby Mode), the clock will display on the VFD.
Turning the System On: Press the standby button (STANDBY) to turn the system on from standby mode.
Turning the System Off: Press the standby button (STANDBY) again to turn the system off (called Standby Mode), the clock will display on the VFD.
Normal Playing
Use the discs
In power on mode, press the DVD function button (DVD) to select DVD function.
Press the eject button on the unit to eject any disc already in order(with the printed side face to you). Then insert the disc to play. The unit will read the disc and the disc type will display on the TV screen then play it automatically.
In stop mode, press the play/pause button to start playing the disc.
When playing disc, press the play/pause button to temporarily stop the playing, press the button again, it will continue to play.
Troubleshooting and error codes
| Symptom | Possible Cause | Action |
| No sound is heard | Connections are incorrect, or loose TV or power amplifier operates wrong The amplifier's receiving signal position is wrong Volume setting to minimum |
Check all connections and make corrections Check whether the operation is right Check the position of receive signal Adjust volume |
| No picture | Connect wrong or loose TV Operation and setting is wrong |
Check all connection and correct it Check whether operation and setting is right |
| Bad sound quality | Audio connect wrong Audio output mode setting wrong DVD Player doesn't match the TV system |
Check whether audio connection is right Check whether audio output setting is right Use PAL/NTSC switch button to select suit-able system |
| Picture roll or abnormal-ity | DVD Player doesn't match the TV system | Use PAL/NTSC switch button to select suit-able system |
| The disc does not play | No disc in the tray The disc is upside down The disc is dirty or scratched The unit is foggy inside |
Place a disc Place the disc in with the printed side up Clean or replace the disc Take out the disc, turn on the unit for about an hour |
| Poor radio reception | The antenna is disconnected The FM/DAB wire antenna is not properly extended and positioned |
Reconnect the antenna securely Extend FM/DAB wire antenna to the best reception position |
| Unable to operate the remote control | The path between the remote control and the sensor on the unit is blocked | Remove the obstruction |
| Operations are disabled | The batteries have lost their charge The built-in microprocessor has malfunctioned due to external electrical interference |
Replace the batteries Unplug the system then plug it back in |