Denon AVR-4520CI Owner's Manual

Also see for AVR-4520CI: Getting started guide Specification Model information Service manual

Contents

196TroubleshootingIf a problem should arise, first check the following:1. Are the connections correct?2. Is the set being operated as described in the owner’s manual?3. Are the other devices operating properly?If this unit does not operate properly, check the items listed in the table below. Should the problem persist,there may be a malfunction.In this case, disconnect the power immediately and contact your store of purchase.GGeneralHSymptom Cause/Solution PagePower does not turnon.• Check whether the power plug is correctly inserted into the poweroutlet.• The protection circuit is active. Disconnect the power plug fromthe electric outlet, wait 5 to 10 seconds and then insert it backinto the outlet.32195Power automaticallyswitches to standbymode.• The sleep timer is set. Turn on the power again, or change thesleep timer settings.• “Auto Standby” is triggered when there is no operation for a setamount of time. To disable “Auto Standby”, set “Auto Standby”on the menu to “Off”.105, 113153Display is off. • Set “Dimmer” on the menu to something other than “Off”. 153The power indicatoris blinking redin intervals ofapproximately 2seconds.• Due to the temperature rise within this unit, the protection circuitis working. Please turn off power once, and re-apply the powerafter the temperature has fallen sufficiently.• Please re-install this unit in a place having good ventilation.195–The power indicatoris blinking redin intervals ofapproximately 0.5seconds.• Please use speakers which have the specified impedance.• The protection circuit has been activated because the speakercable core wires are touching, a core wire has come loose fromthe terminal, or a core wire is touching the rear panel of this unit.After unplugging the power cord, take corrective action such asfirmly re-twisting the core wire or taking care of the terminal, andthen reconnect the wire.9393After turning on thepower, the powerindicator is blinkingred in intervals ofapproximately 0.5seconds.• This unit amplifier circuit has failed. Turn off the power and pleasecontact the DENON service adviser.–Set does not operateproperly.• Reset the microprocessor. 201GHDMIHSymptom Cause/Solution PageNo audio isoutput with HDMIconnection.• Check the connection of the HDMI connectors.• When outputting HDMI audio from the speakers, set “HDMIAudio Out” on the menu to “AVR”.• When outputting HDMI audio from a TV, set “HDMI Audio Out”on the menu to “TV”.11, 12129129No video isoutput with HDMIconnection.• Check the connection of the HDMI connectors.• Set the input source to match the connected HDMI connector.• Check whether the TV is compatible with copyright protection(HDCP). If connected to a device not compatible with HDCP, videowill not be output correctly.11, 1211, 12, 4114When the followingoperations areperformed ondevices compatiblewith HDMI control,the same operationsoccur on this unit.• Power ON/OFF• Switching audiooutput devices• Adjust volume• Switch input source• Set “HDMI Control” in the menu to “Off”.Furthermore, if you do not want to link the power off operationwith devices compatible with HDMI control, set “Power OffControl” in the menu to “Off”.102, 130,131When the HDMIZONE4 functionis used and anoperation isperformed in MAINZONE, the followingoperations occur.• The player is turnedoff or playbackpauses.• The input sourceon this unitautomaticallychanges.• “HDMI Control” is set to “On” and “Control Monitor” is setto “Monitor 1” or “Monitor 2”. In this case, the HDMI controlfunction set for MAIN ZONE affects playback in ZONE4. Whenusing the HDMI ZONE4 function, from the menu, set “HDMIControl” to “Off” or set “Control Monitor” to “ZONE4”.• When the input source for ZONE4 is “SOURCE”, select an inputsource that is different from the one for MAIN ZONE.102, 130–