Troubleshooting - Denon AVR-4806CI Operating Instructions Manual

Troubleshooting

If a problem should arise, first check the following.
1. Are the connections correct?
2. Have you operated the receiver according to the Operating Instructions?
3. Are the speakers, and other connected components operating properly?
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
Display not lit and sound not
produced when power switch
set to on.
Display lit but sound not
produced.
Nothing is displayed on monitor.
No DTS sound is produced.
Ultra2 Cinema / THX Music
Mode / THX Games Mode
cannot be set.
Copying from DVD to VCR is not
possible.
No sound is produced from
subwoofer.
No test tones are produced.
No sound is produced from
surround speakers.
This unit does not operate
properly when remote control
unit is used.
Cause
• Power supply cord not plugged in securely.
• Speaker cables not securely connected.
• FUNCTION knob position is not appropriate.
• Volume control set to minimum.
• MUTING is on.
• No digital signal is being input.
• AVR-4806CI's video output terminals and
monitor's input terminals are not properly
connected.
• Monitor TV's input setting is wrong.
• The PURE DIRECT mode is set.
• DVD player's audio output setting is not set to
bit stream.
• DVD player is not DTS-compatible.
• AVR-4806CI's input setting is set to analog.
• Surround back speaker set to 1.
• Copying between a source such as DVD and a
VCR is not usually possible, as DVDs are often
encoded with copy-protection signals that
prevent VCR recording.
• Subwoofer's power is not on.
• Subwoofer's initial setting is set to "NO".
• Subwoofer's output is not connected.
• The subwoofer's channel volume level is set
to "OFF".
• Surround mode is set to a mode other than
STANDARD (Dolby/DTS Surround).
• Surround mode is set to "STEREO".
• 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.
• Check the insertion of the power supply cord
plug.
• Connect securely.
• Switch to the proper position.
• Turn volume up to suitable level.
• Switch off MUTING.
• Properly select a digital signal input source.
• Check that the connections are correct.
• Set the TV's input selector to the terminals to
which video signals are connected.
• Set a surround mode other than the PURE
DIRECT mode.
• Make the DVD player's initial settings.
• Use a DTS-compatible player.
• Set to AUTO or DTS.
• Connect two surround back speakers.
• Copying is not possible.
• Turn on the power.
• Set the setting to "YES".
• Connect properly.
• Turn the subwoofer's channel volume level up.
• Set to STANDARD (Dolby/DTS Surround).
• Set to a mode other than "STEREO".
• Replace with new batteries.
• Move closer.
• Remove obstacle.
• Press the proper button.
• Insert batteries properly.
141
Measures Page
42
15, 16
44
44
45
99, 100
17, 18,
26 ~ 43
—
50
—
—
47
16, 125,
126, 133
—
—
125, 126
16, 42
64
—
—
8
9
9
—
8