Denon D-F101S Owners Manual - Page 18

ENGLISH 11 TROUBLESHOOTING Check the following before assuming there is a problem with the set. 1. Are all connections proper ? 2. Is the set being operated as described in the operating instructions ? 3. Are the speakers and input components being operated properly ? If the set does not seem to be operating properly, check the points listed below. If these points do not apply, the set may be damaged. Turn off the power immediately and contact your store of purchase. Symptom Cause Remedy page POWER LED does not light and no sound is produced when POWER switch is turned on. • Power supply cord is not connected. • Check that the cord is plugged in. POWER LED lights but no sound is produced. Sound is not produced from one side only. • Speaker cords not properly connected. • INPUT SELECTOR not set to proper position. • VOLUME control turned down. • Speaker cords not properly connected. • Input cords not properly connected. • Left/right balance improperly adjusted. • Connect securely. • Set to the proper position. • Set to an appropriate level. • Connect securely. • Connect securely. • Adjust the BALANCE control. Positions of instruments • Left and right speakers or input • Check the left/right connections. inverted for stereo sources. cords inverted. Hissing noise is heard when an FM station is tuned in. • Is the antenna cable properly connected? • Is there interference from an electronic device equipped with a microprocessor, or is the signal of the FM station weak? • Connect the antenna cable properly. • Change the position of the equipment or change the position or direction of the connection cords and antenna. • Connect an outdoor antenna. Scratchy or hissing noise is heard when an AM station is tuned in. • Is there interference from a TV set, or interference from another broadcast station? • Turn off the TV. • Change the position or direction of the AM antenna. • Connect an outdoor antenna. Humming noise is heard when an AM station is tuned in. • Is the signal carried over the power cord being modulated by the power supply frequency? • Insert the power plug in the opposite direction. • Connect an outdoor antenna. 6, 8, 12 6 12 12 6 6 13 6 5 5, 6, 7 5 - 5 5 - 5 Symptom Cause Remedy Booming sound produced when playing records. Howling produced when volume is turned up while playing records. Sound is distorted. This unit does not operate properly when remote control unit is used. • Turntable's ground wire not connected. • Input cords not properly connected to PHONO terminals. • Influence from a TV or other electrical device near the turntable. • Turntable and speaker systems are too close. • Floor is soft and vibrates easily. • Stylus pressure is too light. • Dirt on tip of stylus. • Defective cartridge. • Batteries dead. • Remote control unit too far from this unit. • Obstacle between this unit and remote control unit. • Different button is being pressed. • < and > ends of battery inserted in reverse. • Connect securely. • Connect securely. • Change the position of installation. • Move speaker systems as far away as possible. • Use cushions to absorb the vibrations transmitted from the floor to the speakers. If the turntable does not include insulators, use audio insulators, available in stores. • Apply proper pressure. • Check the tip of the stylus. • Replace the cartridge. • Replace with new batteries. • Move closer. • Remove obstacle. • Press the proper button. • Insert batteries properly. page 6 6 - - - - - - 9 10 10 10 9 18