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AVR
Troubleshooting
Symptom Cause Solution
Unit does not function No AC power Ensure that the power cord is plugged into a live AC
power outlet
Check if the AC outlet is switch-controlled
Front-panel display lights, but there’s no sound or picture Intermittent input connection
Mute is on
Volume control is turned down
Secure all input and speaker connections
Press Mute button
Turn up Volume control
No sound from any speaker Amplifier is in protection mode due to possible short
circuit
Amplifier is in protection mode due to internal
problems
Check all speaker wires at speaker and AVR
connections for crossed wires
Contact your local JBL service center
No sound from center or surround speakers Incorrect surround mode
Program material is monophonic
Incorrect speaker configuration
Program material is stereo
Select a surround mode other than stereo
Mono programs contain no surround information
Check the speaker configuration in the setup menu
The surround decoder may not create center- or
surround-channel information from nonencoded
programs
Unit does not respond to remote control commands Weak batteries in remote
Remote sensor is obscured
Change batteries in remote
Ensure that the AVR’s front-panel remote sensor is in
the line of sight of the remote
Intermittent buzzing in tuner Local interference Move the AVR or antenna away from computers,
fluorescent lights, motors or other electrical appliances
Unable to activate remote control Programming mode Source Selector button is not held for at least 3
seconds
Be sure to hold the Source Selector button for at least
3 seconds
Unable to establish network connection AVR network programming requires rebooting Cycle the AVR into the Off mode, and then turn it on
again
Additional information on troubleshooting possible problems with your AVR and installation-related issues may be found in the list of “Frequently Asked Questions,” which is located
in the Product Support section of our Web site: www.jbl.com
Troubleshooting
30


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