Bose Acoustimass 4 Owner's guide - Page 9

in case you have a problem If you have a problem connecting and using your Acoustimass'-4 home theater speaker system, try the procedures listed below. If this does not solve the problem, refer to the troubleshooting section in your receiver owner's guide. Problems are more likely to originate in components rather than in the speakers. Problem No sound from any speakers Solution * Make sure your amplifier is plugged in and he power is turned on. If your receiver has a record mode, make sure it is not selected. If your receiver has a MUTE button, make sure it is not engaged. Problem No sound from one of the cube speakers Solution Check for solid connections from that array to the Acoustimass bass module. Also check the connections from the module to the receiver. If only the center channel cube is silent, check to make sure your receiver's CENTER OFF button is not pressed. Check to be sure you are in the Center mode and NORMAL is selected. Make sure you are not in the Pro Logic Phantom mode. Problem Distortion or still no sound from speaker(s) Solution Turn off the amplifier or receiver. Check the connections and cables for a visible roblem. If they appear normal, disconnect the cable wires from the receiver. Do not switch the speaker cables. as this could damage your speaker. Instead, reconnect the cable of the speaker in question to a properly functioning receiver channel. Adjust the receiver's balance control to test that channel. If the speaker now works, the first receiver channel is probably defective. Problem Weak bass Solution Make sure the cables between the Acoustimass bass module and your receiver are firmly connected. Make sure these wires are connected in phase (positive to positive and negative to negative). Problem Sound from left and right cube speakers does not match the left and right screen image Solution Make sure the right speaker is connected the right terminal on the Acoustimass bass module. Make sure the right channel connection from the module leads to the right speaker terminal on the receiver. Check for proper left channel connections. Problem Hum or noise Solution Make sure your receiver is not situated too close to another electronic device. Refer to your receiver owner's guide for placement guidelines. If problems persist after following these procedures and those listed in your receiver owner's guide, contact your local Bose" dealer. The dealer will verify any defects and arrange for service from an authorized service agency. Bose Corporation will make every effort to remedy any problem within terms of the limited warranty. 9