10pROBLEM SOLUtIONIf there is no sound from any of thespeakers:Check that receiver/amplifier is on and a source is playing.•Check that the powered subwoofer is plugged in and is turned on (Power•switch å pushed in).Check all wires and connections between receiver/amplifier and speakers.•Make sure all wires are connected. Make sure none of the speaker wires arefrayed, cut, punctured or touching each other.Review proper operation of your receiver/amplifier.•If there is no sound coming from onespeaker:Check the Balance control on your receiver/amplifier.•Check all wires and connections between receiver/amplifier and speaker.•Make sure all wires are connected. Make sure none of the speaker wires arefrayed, cut, punctured or touching each other.In Dolby Digital or DTS modes, make sure that the receiver/amplifier is•configured so that the speaker in question is enabled.Turn off all electronics, and switch the speaker in question with one of•the other speakers that is working correctly. Turn everything back on, anddetermine whether the problem has followed the speaker or has remained inthe same channel. If the problem is in the same channel, the source of theproblem is most likely with your receiver or amplifier, and you should consultthe owner’s manual for that product for further information. If the problem hasfollowed the speaker, consult your dealer for further assistance or, if that isnot possible, visit www.jbl.com.If there is no sound from the centerspeaker:Check all wires and connections between receiver/amplifier and speaker.•Make sure all wires are connected. Make sure none of the speaker wires arefrayed, cut, punctured or touching each other.If your receiver/processor is set in Dolby Pro Logic mode, make sure the•center speaker is not in phantom mode.If your receiver/processor is set in one of the Dolby Digital or DTS modes,•make sure the receiver/processor is configured so that the center speaker isenabled.If the system plays at low volumes butshuts off as volume is increased:Check all wires and connections between receiver/processor and speakers.•Make sure all wires are connected. Make sure none of the speaker wires arefrayed, cut, punctured or touching each other.If more than one pair of main speakers is being used, check the minimum•impedance requirements of your receiver/amplifier.If there is low (or no) bass output: Make sure the connections to the left and right speaker inputs have the•correct polarity (+ and –).Make sure the subwoofer is plugged into an active electrical outlet and is•turned on (Power switch å pushed in).In Dolby Digital or DTS modes, make sure your receiver/processor is•configured so that the subwoofer and LFE output are enabled.Switch the Phase switch• ç to the opposite position, and select the positionthat results in the most pleasing bass response.If there is no sound from the surroundspeakers:Check all wires and connections between receiver/processor and speakers.•Make sure all wires are connected. Make sure none of the speaker wires arefrayed, cut, punctured or touching each other.Review the proper operation of your receiver/amplifier and its surround-sound•features.Make sure the movie or TV show you are watching is recorded in a surround•sound mode. If it is not, check to see whether your receiver/processor hasother surround modes you may use.In Dolby Digital or DTS modes, make sure your receiver/processor is•configured so that the surround speakers are enabled. When five satellitesare in use, remember to configure your receiver or processor for 6.1-channeloperation, and when six satellites are in use, configure your receiver orprocessor for 7.1 channels.Review the operation of your DVD player and the jacket of your DVD to make•sure that the DVD features the desired Dolby Digital or DTS mode, and thatyou have properly selected that mode using both the DVD player’s menu andthe DVD disc’s menu.tROUBLEShOOtINg