Denon AVR-3805 Owners Manual - Page 88

16 TROUBLESHOOTING If a problem should arise,first check the following table. 1. Are the connections correct ? 2. Have you operated the receiver according to the Operating Instructions ? 3. Are the speakers, turntable and other components operating property ? 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 problems when listening to the CD's, Records, Tapes and FM broadcasts, etc. Symptom Cause DISPLAY not lit and sound not produced • Power cord not plugged in securely. when power switch set to on. Measures • Check the insertion of the power cord plug. • Turn the power on with the remote control unit after turning the POWER switch on. Page 7 62 DISPLAY lit but sound not produced. • Speaker cords not securely connected. • Connect securely. 15 • Improper position of the audio function • Set to a suitable position. 63 button. • Volume control set to minimum. • Turn volume up to suitable level. 64 • MUTING is on. • Switch off MUTING. 67 • Digital signals not input Digital input • Input digital signals or select input jacks to 63 selected. which digital signals are being input. DISPLAY not lit and power indicator is flashing rapidly. • Speaker terminals are short-circuited. • Block the ventilation holes of the set. • The unit is operating at continuous high power conditions and/or inadequate ventilation. • Switch power off, connect speakers properly, then switch power back on. • Turn off the set's power, then ventilate it well to cool it down. Once the set is cooled down, turn the power back on. • Turn off the set's power, then ventilate it well to cool it down. Once the set is cooled down, turn the power back on. 15 4, 16 4, 16 Sound produced only from one channel. • Incomplete connection of speaker cords. • Incomplete connection of input/output cords. • Connect securely. • Connect securely. 15 7 ~ 16 Positions of instruments reversed during stereo playback. • Reverse connections of left and right speakers or left and right input/output cords. • Check left and right connections. 13 The on screen display is not displayed. • "On screen display" is set to off on the • Set "on screen display" on the system system setup menu screen. setup menu screen to on. 49 • Ground wire of turntable not connected • Connect securely. 7 Humming noise produced when Record is properly. playing. • Incomplete PHONO jack connection. • Connect securely. 7 • TV or radio transmission antenna nearby. • Contact your store of purchase. - • Turntable and speaker systems too close • Separate as much as possible. - together. Howling noise produced when volume is • Floor is unstable and vibrates easily. • Use cushions to absorb speaker vibrations - high. transmitted by floor. If turntable is not equipped with insulators, use audio insulators (commonly available). Sound is distorted. • Stylus pressure too weak. • Apply proper stylus pressure. - • Dust or dirt on stylus. • Check stylus. - • Cartridge defective. • Replace cartridge. - Volume is weak. • MC cartridge being used. • Replace with MM cartridge or use a head 7 amplifier or step-up transformer. • Batteries dead. • Replace with new batteries. 50 • Remote control unit too far from this unit. • Move closer. 50 This unit does not operate properly when • Obstacle between this unit and remote • Remove obstacle. 50 remote control unit is used. control unit. • Different button is being pressed. • Press the proper button. - • < and > ends of battery inserted in reverse. • Insert batteries properly. 50 When playing Records Remote control unit 88