Brand:
LG
Category: Home Theater System
Document Type: Manual
Language: EN
Manual for MDD112
Uploaded: Nov. 21, 2025, 9:09 p.m.
Warranty Information
No specific warranty period information found in the document.
- Installation: Connect TV, antenna, speakers, and optional equipment.
- Operation: Use front panel or remote control for functions like playback, setup, and radio tuning.
- Disc Playback: Supports DVD, Audio CD, MP3, WMA, JPEG, and DivX files.
- Radio: Tune in to FM/AM stations, preset stations, and use RDS features.
- Timer Function: Set the clock and timers for automatic operation.
- Tape Operation: Basic playback, auto-stop, dubbing, and synchronized recording.
Troubleshooting and error codes
| Symptom | Cause | Correction |
|---|---|---|
| No power. | The power cord is disconnected. | Plug the power cord securely into the wall outlet. |
| The power is on, but the unit does not work. | No disc is inserted. | Insert a disc. (Check that the DVD or, audio CD idicator in the DVD display is lit) |
| No picture. | The TV is not set to receive DVD signal output. | Select the appropriate video input mode on the TV so the picture from the unit appears on the TV screen. |
| The video cable is not connected securely. | Connect the video cable into the jacks securely. | |
| The connected TV power is turned off. | Turn on the TV. | |
| There is no sound or only a very low-level sound is heard. | The equipment connected with the audio cable is not set to receive DVD signal output. | Select the correct input mode of the unit so you can hear the sound from the unit. |
| The audio cables are not connected securely. | Connect the audio cable into the jacks securely. | |
| The power of the equipment connected with the audio cable is turned off. | Turn on the equipment connected with the audio cable. | |
| The audio connecting cable is damaged. | Replace it with new one. | |
| The playback picture is poor. | The disc is dirty. | Clean the disc. |
| The unit does not start playback. | An unplayable disc is inserted. | Insert a playable disc. (Check the disc type, colour system and Regional code.) |
| The disc is placed upside down. | Place the disc with the playback side down. | |
| The disc is not placed within the guide. | Place the disc on the disc tray correctly inside the guide. | |
| The disc is dirty. | Clean the disc. | |
| A menu is on the TV screen. | Press the SETUP button to turn off the menu screen. | |
| The Rating level is set. | Cancel the Rating function or change the rating level. | |
| Loud hum or noise is heard. | The disc is dirty. | Clean the disc. |
| The speakers and components are connected poorly. | Connect the speakers and components securely. | |
| The unit is located too close to the TV. | Move your TV away from the audio components. | |
| Radio stations cannot be tuned in. | The antenna is positioned or connected poorly. | Connect the antenna securely. |
| The signal strength of the stations is too weak (when tuning in with automatic tuning). | Tune in the station manually. | |
| No stations have been preset or preset stations have been cleared (when tuning by scanning preset stations). | Preset the stations (page 14). | |
| The Remote Control does not work properly. | The Remote Control is not pointed at the remote sensor of the unit. | Point the Remote Control at the remote sensor of the unit. |
| The Remote Control is too far from the unit. | Use the Remote Control within about 23 ft (7 m). | |
| There is an obstacle in the path of the Remote Control and the unit. | Remove the obstacle. | |
| The batteries in the Remote Control are exhausted. | Replace the batteries with new ones. | |
| The front panel display is too dim. | Nothing is displayed on the front panel display. | Press DIMMER on the Remote Control. |