Denon S81 Owners Manual - English - Page 32

ENGLISH Others Troubleshooting If a problem should arise, first check the following. 1. Are all connections proper? 2. Is the set being operated as described in the operating instructions? 3. Are the speakers and other components operating properly? If this unit is not operating properly, check the items listed in the table below. Should the problem persist, there may be a malfunction. Disconnect the power immediately and contact your store of purchase. ¢ Common section Symptom Cause Measures Page Display does not light and • The power supply cord is not plugged • Plug the power supply cord into a 12 no sound is produced into a power outlet. power outlet. when power is turned on. Remote control unit does • The batteries are flat. • Replace with new batteries. 4 not operate. • The remote control unit is too far • Operate from closer to the main unit. 4 away. • There is an obstacle between the • Remove the obstacle. 4 main unit and the remote control unit. • The remote control unit is being • Operate the remote control unit from 4 operated at an angle of over 30° with directly in front of the main unit. respect to the front panel. • The batteries are inserted in the • Insert the batteries in the proper 4 wrong direction. direction. ¢ Receiver section Others Symptom Cause Measures Page Display lights but no • The speaker cables are not properly • Connect securely. sound is produced. connected. • The input is not properly selected. • Connect in the proper position. • The volume is set too low. • Adjust the volume to an appropriate level. 8 10, 11, 12 13 No sound is produced from once side. • The speaker cables are not properly connected. • The input cables are not properly connected. • The left/right balance is off. • Connect securely. • Connect securely. • Adjust the left/right balance. 8 10, 11 12 13 For stereo sources, the • The connections of the speaker • Check the connections. positions of the cables or input cables are inverted. instruments are inverted. 8, 10, 11, 12 Buzzing noise in FM • The antenna cable is not properly • Connect the antenna properly. 9 broadcasts. connected. • Noise is entering from an electronic • Change the layout of the equipment 9 device equipped with a microprocessor, or the positions or directions of the or the signal from the broadcast connection cables, antenna, etc. system is weak. • Connect an outdoor antenna. 9 Hissing or buzzing noise • Noise is entering from a monitor, etc., • Turn off the monitor. - is heard in AM broadcasts. or there is interference. • Change the position or direction of 9 the AM loop antenna. • Connect an outdoor antenna. 9 Humming noise is heard • There is interference from signals • Connect an outdoor antenna. 9 in AM broadcasts. conveyed through the power supply cord. "CHECK ANTENNA" is • S-81's XM terminal and the XM • Check that the connection are 10 displayed in the XM Connect-and-Play antenna is not correct. mode. properly connected. "NO SIGNAL" is • The signal cannot be received. displayed in the XM mode. • Reposition your XM Connect-and- 17 Play antenna. "OFF AIR" is displayed • The selected channel is not currently • Select the another channel. 17 in the XM mode. broadcasting. Receiving only XM • The XM Tuner is not activated. • Contact XM Radio. 16 channels 0 and 1. No sound is produced • Connections are wrong. • Connect properly. when an iPod is • The "iPod CONTROL" switch on the • Set the "iPod CONTROL" switch on connected and played. rear panel is not set to the right the rear panel to the proper position. position. 10, 11 10, 11 28 ENGLISH