Reference, Troubleshooting, Customer service

Reference

Troubleshooting

Neither speaker	• Check the settings on your receiver/ampliﬁer. Refer to the owner’s guide that came with it for
plays	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	• Check the tonal balance setting on your receiver/ampliﬁer.
is weak	• 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	• Check the balance control on your receiver/ampliﬁer and make sure it is centered.
plays	• 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.
Only one speaker	• Trace the cord from the speaker in question to the receiver/ampliﬁer. Disconnect the cord from
still plays	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	• Check the connections at the speaker and at the receiver/ampliﬁer. Make sure the wires are in
one speaker	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.

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.

32	AM267565_01_V.pdf May 13, 2003