Troubleshooting - Denon AVR-4520CI Owner's Manual

Troubleshooting

If 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.
GGeneralH
Symptom
Power does not turn • Check whether the power plug is correctly inserted into the power
on. outlet.
• The protection circuit is active. Disconnect the power plug from
the electric outlet, wait 5 to 10 seconds and then insert it back
into the outlet.
Power automatically • The sleep timer is set. Turn on the power again, or change the
switches to standby sleep timer settings.
mode. • "Auto Standby" is triggered when there is no operation for a set
amount of time. To disable "Auto Standby", set "Auto Standby"
on the menu to "Off".
Display is off. • Set "Dimmer" on the menu to something other than "Off".
The power indicator • Due to the temperature rise within this unit, the protection circuit
is blinking red is working. Please turn off power once, and re-apply the power
in intervals of after the temperature has fallen sufficiently.
approximately 2 • Please re-install this unit in a place having good ventilation.
seconds.
The power indicator • Please use speakers which have the specified impedance.
is blinking red • The protection circuit has been activated because the speaker
in intervals of cable core wires are touching, a core wire has come loose from
approximately 0.5 the terminal, or a core wire is touching the rear panel of this unit.
seconds. After unplugging the power cord, take corrective action such as
firmly re-twisting the core wire or taking care of the terminal, and
then reconnect the wire.
After turning on the • This unit amplifier circuit has failed. Turn off the power and please
power, the power contact the DENON service adviser.
indicator is blinking
red in intervals of
approximately 0.5
seconds.
Set does not operate • Reset the microprocessor.
properly.
DVD
Cause/Solution
GHDMIH
Symptom
No audio is • Check the connection of the HDMI connectors.
output with HDMI • When outputting HDMI audio from the speakers, set "HDMI
connection. Audio Out" on the menu to "AVR".
• When outputting HDMI audio from a TV, set "HDMI Audio Out"
on the menu to "TV".
No video is • Check the connection of the HDMI connectors.
output with HDMI • Set the input source to match the connected HDMI connector.
Page
connection. • Check whether the TV is compatible with copyright protection
32
(HDCP). If connected to a device not compatible with HDCP, video
will not be output correctly.
195
When the following • Set "HDMI Control" in the menu to "Off".
operations are Furthermore, if you do not want to link the power off operation
performed on with devices compatible with HDMI control, set "Power Off
105, 113
devices compatible Control" in the menu to "Off".
with HDMI control,
153
the same operations
occur on this unit.
• Power ON/OFF
• Switching audio
153
output devices
195
• Adjust volume
• Switch input source
When the HDMI • "HDMI Control" is set to "On" and "Control Monitor" is set
–
ZONE4 function to "Monitor 1" or "Monitor 2". In this case, the HDMI control
is used and an function set for MAIN ZONE affects playback in ZONE4. When
93
operation is using the HDMI ZONE4 function, from the menu, set "HDMI
93
performed in MAIN Control" to "Off" or set "Control Monitor" to "ZONE4".
ZONE, the following • When the input source for ZONE4 is "SOURCE", select an input
operations occur. source that is different from the one for MAIN ZONE.
• The player is turned
off or playback
pauses.
– • The input source
on this unit
automatically
changes.
201
196
Cause/Solution
11, 12, 41
102, 130,
Page
11, 12
129
129
11, 12
14
131
102, 130
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