Bose 12 - Manual (Page 28)

26 December 20, 2001 AM191409_01_V.pdf
Maintaining Your Lifestyle ® 12 System
Troubleshooting
Problem What to do
System does not • Make sure the power connector is plugged securely into the music center, the Acoustimass ®
function at all module power cord is plugged securely into the module, and the power pack and power
cord are plugged into operating AC wall outlets.
• Be sure to select a source (CD, AM/FM, etc.).
• Unplug the music center power pack for a minute, then reconnect it. This allows the unit to
reset itself after a power surge or power interruption.
No sound • Make sure the audio input cable is connected to the music center FIXED outputs, the black
connector is fully seated in the music center SYSTEM CONTROL 1 jack, and the multi-pin
connector is firmly seated in the Acoustimass module jack.
• Turn the music center off for ten seconds, then on again, to reestablish communication
between the music center and the speakers.
• Check the connections for any external components. Make sure to select the correct
source for the desired input.
• Check the speaker connections.
• Be sure the CD is placed correctly, label-side up, in the music center, and the cover is
closed.
• Increase the volume.
• Check to see if MUTE is lit in the display. Press the MUTE button on the remote to unmute
the sound.
• Disconnect any headphones.
• Connect the FM and AM antennas.
No sound from • Make sure that the center cube cable is connected at both ends.
center speaker • Select STEREO+CENTER (3-speaker) or SURROUND (5-speaker) mode.
Too much sound • In STEREO+CENTER mode, press SURROUND
–
, to decrease center speaker volume.
from center speaker • Press and hold the STEREO+CENTER (3-speaker) mode key for 10 seconds to restore the
factory preset center volume setting.
No sound from • Select SURROUND (5-speaker) mode.
surround speakers • Press SURROUND
+
.
• Make sure the video sound source is stereo and surround-encoded, and the component
used (TV, VCR, DVD or laserdisc player) is stereo.
Surround speakers • In SURROUND mode, press SURROUND
–
.
are too loud • Make sure that the left and right front speakers are connected to the front speaker jacks
and the left and right surround speakers are connected to the surround speaker jacks.
• Press and hold the SURROUND (5-speaker) mode key for 10 seconds to restore the factory
preset surround volume setting.
Remote control • Check batteries and their polarity (+ and –).
is inconsistent • Operate the remote control closer to the music center.
or does not work • Make sure the remote control house code matches the music center code. Follow steps 4-7
on page 24 to match the house code settings.
Unit turns on • Change the house code setting to prevent signals from conflicting with another nearby
and off by itself, Lifestyle ® system. See page 24 for instructions on setting the house code.
or acts erratically