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AM181869_04_V.pdf October 30, 2001 9
English
Using and Maintaining Your 301
®
Series IV Speakers
Troubleshooting
Problem What to do
No sound • Make sure the receiver is plugged in and turned on.
• Check to be sure the AC power (mains) outlet is working.
• Disconnect any headphones plugged into the headphone jack.
• Make sure the receiver is not set to MUTE.
• Refer to the owner’s guide that came with your receiver.
• Check connections to both the speakers and the receiver.
Refer to “Make the connections” on page 6. Correct any connec-
tion errors.
No sound from • Disconnect the working speaker from the receiver.
one speaker • Switch the cord of the “faulty” speaker from its original receiver
jacks to the other set of jacks (the working speaker was originally
attached to those jacks).
– If the speaker now works, the problem is in your receiver.
– If the speaker does not work, continue below.
• Remove the cord from the working speaker and connect it to the
“faulty” speaker and either set of receiver jacks.
– If the speaker now works, the problem was in the original
speaker cord.
– If the speaker does not work, the problem is in the speaker.
One speaker • Follow the same procedure for the problem of no sound from
sounds distorted one speaker, as outlined above.
Not enough • Adjust the bass and treble controls on the receiver.
bass or treble • Check the connections to make sure they are correctly in phase
(+ to + and – to –). Refer to “Make the connections” on page 6.
• Move the speakers closer to or farther from the side walls or other
sound-reflecting hard surfaces.
Customer service
If the troubleshooting guidelines above do not solve your problem, contact your authorized
Bose
®
dealer to arrange for service. To obtain information or service directly from Bose, refer
to the listing at the end of this guide. Bose Corporation will make every effort to correct any
problem within the terms of your warranty.