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Denon AVR-4802R Manual

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15 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, 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 Page
DISPLAY not lit and sound not produced
when power switch set to on.
•Power cord not plugged in securely. •Check the insertion of the power cord plug. 6
DISPLAY lit but sound not produced.
•Speaker cords not securely connected.
•Input source selector button position is not
appropriate.
•Volume control set to minimum.
•MUTING is on.
•No digital signal is being input.
•Speaker A or B button is set to “OFF”.
•Connect securely.
•Switch to the proper position.
•Turn volume up to suitable level.
•Switch off MUTING.
•Properly select a digital signal input source.
•Set the button for the connected speaker
terminals to “ON”.
12, 13
47
48
51
28, 47
18
Nothing is displayed on monitor.
•AVR-4802R’s video output jacks and monitor’s
input jacks are not properly connected.
•Monitor TV’s input setting is wrong.
•Connections of the various component’s video
signals are not unified.
•VIDEO OFF mode is set.
•PURE DIRECT mode is set.
•Check that the connections are correct.
•Set the TV’s input selector to the jacks to which
video signals are connected.
•Unify to composite or S jack.
•VIDEO ON mode is set.
•Mode other than PURE DIRECT mode is set.
7 ~ 9
7 ~ 9
7 ~ 9
50
49
No dts sound is produced.
•DVD player’s audio output setting is not set to bit
stream.
•DVD player is not dts-compatible.
•AVR-4802R’s input setting is set to analog.
•Make the DVD player’s initial settings.
•Use a dts-compatible player.
•Set to AUTO or dts.
—
—
47
Copying from DVD to VCR is not
possible.
•Mode video software contains copy prohibit
signals.
•Copying is not possible. —
No sound is produced from subwoofer.
•Subwoofer’s power is not on.
•Subwoofer’s initial setting is set to “NO”.
•Subwoofer’s output is not connected.
•Turn on the power.
•Set the setting to “YES”.
•Connect properly.
—
18
13
No test tones are produced. •Surround mode is set to a mode other than
Dolby Surround.
•Set to Dolby Surround. —
No sound is produced from surround
speakers.
•Surround mode is set to “STEREO”.•Set to a mode other than “STEREO”.—
This unit does not operate properly when
remote control unit is used.
•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.
•Replace with new batteries.
•Move closer.
•Remove obstacle.
•Press the proper button.
•Insert batteries properly.
33
33
—
—
33
Ultra2 Cinema/THX MusicMode cannot
be set.
•Surround back speaker set to 1. •Connect two surround back speakers. 21, 59
… 76 …


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