39
Reference
Troubleshooting
Problem What to do
System doesn’t do any-
thing
• Make sure the unit is turned on.
• Make sure the power cord is inserted securely into the Acoustimass
®
module and plugged
firmly into an operating AC wall outlet.
• Be sure to select a source (CD/DVD, AM/FM, etc.).
• Unplug the Acoustimass module power cord from the outlet for a minute, then reconnect it.
This allows the unit to reset itself.
No sound • Increase the volume.
• Check to see if MUTE is lit on the display. If it is, press the Mute button on the remote con-
trol to unmute the sound.
• Make sure the module cable and speaker cable are firmly seated in the media center jacks
and the multi-pin connector on the other end is firmly seated in the Acoustimass module
jack.
• Check speaker connections.
• Turn the media center off for 10 seconds, then on again, to restore communication
between the media center and the speakers.
• Check the connections for any external components. Make sure to select the correct
source for the desired input.
• Be sure the disc is placed correctly, label-side up, in the CD tray.
• Connect the FM and AM antennas.
• Unplug the Acoustimass module power cord from the outlet for a minute, then reconnect it.
This allows the unit to reset itself.
Sound but no picture • Make sure the TV is on.
• When playing a DVD or other video source, make sure the TV is set for TV/Video. See
Important Note on page 16.
Remote control is
inconsistent or does not
work
• Check batteries and their polarity (+ and –). See “Replacing the remote batteries” on
page 38.
• Point the remote control at the media center.
Radio does not work
or has poor reception
• Make sure antennas are connected properly.
• Move AM antenna at least 20 inches (50 cm) from the media center.
• Adjust antenna position to improve reception.
• AM antenna must be upright.
• Move antennas farther from TV or other electronic equipment.
• You may be in an area of weak signal coverage.
DVD or CD does not
play
• Check to see if the play symbol in the display is lit.
• After pressing the CD/DVD button, wait a few seconds before pressing Play.
• Make sure the disc is properly inserted (label side up).
• Eject the disc and try loading it again.
• There may be dirt or dust on the disc. Clean the disc. See “Cleaning discs” on page 38.
• The disc may be defective. Try another disc.
• Make sure region codes for both the DVD and player match. See “Check for region code
compatibility” on page 5.
FM sound is distorted • Adjust antenna position to reduce interference.
Sound is distorted • Make sure speaker cables are not damaged and the connections are secure.
• Reduce the output level from any external components connected to the music center.
AM256950_02_V.pdf • January 29, 2002