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Reference
Troubleshooting
Customer service
For additional help in solving problems, contact your Bose dealer. Or, to contact Bose Customer Service, refer to the
address list included in the carton.
Warranty period
Bose Virtually Invisible
®
191 speakers are covered by a limited 5-year transferable warranty. Details of coverage are on the
warranty card that came with your speakers. Please fill out the information section, detach, and mail it to Bose.
Neither speaker
plays
• Check the settings on your receiver/amplifier. Refer to the owner’s guide that came with it for
instruction on settings.
• If your Virtually Invisible
®
191 speakers are the second pair of speakers connected to your
receiver/amplifier, make sure the connections have been made to the “B” terminals and that
the “B” speakers are selected to play.
The bass or treble
is weak
• Check the tonal balance setting on your receiver/amplifier.
• Check for consistent polarity of the connections (+ to + and – to –) to the receiver/amplifier and
to the speaker.
Review “Make the speaker connections” on page 26.
Only one speaker
plays
Only one speaker
still plays
• Check the balance control on your receiver/amplifier and make sure it is centered.
• Check the wires connected to the speaker that does not play. Make sure the wires are in good
condition and are firmly connected. Review “Make the speaker connections” on page 26.
•Trace the cord from the speaker in question to the receiver/amplifier. Disconnect the cord from
the receiver/amplifier channel and reconnect it to a different receiver/amplifier channel.
– If the performance is now fine, the problem lies in the original receiver/amplifier channel, the
component source of the music, or the connections between the receiver/amplifier and the
source. Check all of those to make sure they are performing properly. Reconnect the speaker
to the correct channel of a functioning receiver/amplifier.
– If the problem persists, its source is either the speaker wire or the speaker in question. Follow
the next instruction.
• Disconnect the cord from the speaker in question and reconnect it to the second speaker.
– If the performance is now fine, the problem lies in the original speaker. Contact your autho-
rized Bose
®
dealer, who will arrange for service. Or, to contact Bose directly, refer to the
address list included in the carton.
– If the problem persists, its source is the speaker wires. Follow the next instruction.
• Before you take steps to replace and re-run the speaker wire, recheck all of the connections.
Then repeat the procedure for pinning down the problem source, above.
Static or noise from
one speaker
• Check the connections at the speaker and at the receiver/amplifier. Make sure the wires are in
good condition, are firmly connected, and no wires are touching across terminals. Also check
the connections from the receiver/amplifier to the component source of the music.
– If the problem persists, follow the troubleshooting instructions for “Only one speaker still
plays,” above.
AM267565_01_V.pdf May 13, 2003