Denon AVR-985 Operating Instructions Manual

Also see for AVR 2805 - AV Receiver: Control protocol Manual

Contents

Denon AVR-985 Operating Instructions Manual Manual pdf 86 page image

8616 TROUBLESHOOTINGIf 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.Symptom Cause Measures PageWhen playing RecordsDISPLAY not lit and sound not producedwhen power switch set to on.• Power cord not plugged in securely. • Check the insertion of the power cord plug.• Turn the power on with the remote controlunit after turning the POWER switch on.658DISPLAY lit but sound not produced.• Speaker cords not securely connected.• Improper position of the audio functionbutton.• Volume control set to minimum.• MUTING is on.• Digital signals not input Digital inputselected.• Connect securely.• Set to a suitable position.• Turn volume up to suitable level.• Switch off MUTING.• Input digital signals or select input jacks towhich digital signals are being input.1359606359DISPLAY not lit and power indicator isflashing rapidly.• Speaker terminals are short-circuited.• Block the ventilation holes of the set.• The unit is operating at continuous highpower conditions and/or inadequateventilation.• Switch power off, connect speakersproperly, then switch power back on.• Turn off the set’s power, then ventilate itwell to cool it down.Once the set is cooled down, turn thepower back on.• Turn off the set’s power, then ventilate itwell to cool it down.Once the set is cooled down, turn thepower back on.134, 144, 14Sound produced only from one channel.• Incomplete connection of speaker cords.• Incomplete connection of input/outputcords.• Connect securely.• Connect securely.136 ~ 14Positions of instruments reversed duringstereo playback.• Reverse connections of left and rightspeakers or left and right input/outputcords.• Check left and right connections. 13The on screen display is not displayed. • “On screen display” is set to off on thesystem setup menu screen.• Set “on screen display” on the systemsetup menu screen to on.45, 46Humming noise produced when Record isplaying.• Ground wire of turntable not connectedproperly.• Incomplete PHONO jack connection.• TV or radio transmission antenna nearby.• Connect securely.• Connect securely.• Contact your store of purchase.66—Howling noise produced when volume ishigh.• Turntable and speaker systems too closetogether.• Floor is unstable and vibrates easily.• Separate as much as possible.• Use cushions to absorb speaker vibrationstransmitted by floor. If turntable is notequipped with insulators, use audioinsulators (commonly available).——Sound is distorted.• Stylus pressure too weak.• Dust or dirt on stylus.• Cartridge defective.• Apply proper stylus pressure.• Check stylus.• Replace cartridge.———Volume is weak. • MC cartridge being used. • Replace with MM cartridge or use a headamplifier or step-up transformer.6This unit does not operate properly whenremote control unit is used.• Batteries dead.• Remote control unit too far from this unit.• Obstacle between this unit and remotecontrol unit.• Different button is being pressed.• < and > ends of battery inserted in reverse.• Replace with new batteries.• Move closer.• Remove obstacle.• Press the proper button.• Insert batteries properly.484848—48Remote controlunit Common problems when listening to the CD’s, Records, Tapes and FM broadcasts, etc.