Troubleshooting Guide - SONIQ QMD78DS Qmedia Instruction Manual

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Troubleshooting Guide

SYMPTOM
No power.
The
remote
control
does not function.
Very little or no sound
is coming from a DVD.
No picture.
The
picture
is
not
clear.
Loud hum or noise is
heard.
The disc does not play.
Specifications and external appearance are subject to change without notice.
CAUSE (AND REMEDY)
• Ensure the car power adapter is connected.
• Make sure that the unit is turned on.
• Remove any obstacles between the remote and the unit.
• Use the remote near the unit.
• Point the remote at the remote sensor on the unit.
• Replace the battery in the remote with new one.
• Make sure that you select ON mode.
• Make sure the unit is not paused. Press the
• Make sure the unit is not in fast-forward or fast-reverse mode. Press the
button.
• Make sure the AUDIO/VIDEO input/output connections are correct.
• The DTS DVD cannot be decoded to have speaker output.
• The unit has overheated. Shut it off for 30 minutes to allow it to cool down.
• The region number of the disc doesn't match the region number of this unit.
• The DVD is dirty. Gently clean the disc.
• The disc is scratched.
• Please adjust the LCD's brightness, contrast and colour using the VIDEO MODE
button on the remote control.
• The plugs and jacks are dirty. Wipe them with a cloth slightly moistened with
alcohol.
• Clean the disc.
• There is no disc inside the unit ("No Disc" appears on the screen).
• Insert the disc correctly with the graphics facing up.
• Clean the disc.
• A non-valid disc has been inserted, or the disc region number does not match the
region number of the unit.
• Condensation may have formed inside the unit due to a sudden change in
temperature. Wait about an hour for it to clear and try again.
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811-770191W010
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