User guide
28 HSD 7790
English
Symptom Correction
No power
• Check if AC adapter of power is connected securely.
• If powered with the battery, check if it is exhausted.
• Pay attention to the right fitting of the battery.
• Switch the power button to the position ON.
No sound
• Ensure that the equipment is connected properly
• Ensure that the input setttings for the TV and stereo system
are proper.
• Please make sure, that the audio track exists on the disc.
• Control the volume.
No key operation
• Turn the unit off and then back to on.
• Disconnect the unit from power and from battery and connect
them again.
No playback
• Condensation had formed, please wait 1 or 2 hours to allow
the player dry out.
• Wrong disc, please use only DVD, CD or ISO Data disc
• The disc may be dirty and require cleaning.
• Ensure that the disc is installed with the label side up.
• The disc has too many scratches.
• Remove the laser pickup protection on the disc tray.
• The DVD+/-RW should be finalized.
• Wrong region code by the Video-DVD
• Cancel the parental lock function or change the parental lock
level. (The Pre-set password is 8806).
No remote control
• Check the batteries in the remote control
• Are the polarities correct?
• Batteries are depleted. Please uses new one.
• Point the remote control unit at the Infrared sensor and
operate.
• Remove the obstacles between the remote control and the
Infred snesor
• Operate the remote control unit at a distance of not more than
5 meters from the Infrared sensor.
No sound or picture by
AV IN/OUT
• Pay attention to the cable connection.
• Press to DVD/DTV/AV button until AV is available
• Are the settings of the LCD is correct (AV OUT)?
• Please make sure, that the audio track exists on the disc.
TROUBLESHOOTING DVD
Check the following guide for the possible cause of a problem before contacting service.
Technical Support of Xoro/MAS:
• Tel.: +49 40 77 11 09 17
• Internet: www.xoro.de/support.htm










