Denon AVR-2802/982 - Manual (Page 56)

ENGLISH
56
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
When playing records
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.
• Turn the power on with the remote control
unit after turning the POWER switch on.
6
35
DISPLAY lit but sound not produced.
• Speaker cords not securely connected.
• Improper position of the audio function
button.
• Volume control set to minimum.
• MUTING is on.
• Digital signals not input Digital input
selected.
• Connect securely.
• Set to a suitable position.
• Turn volume up to suitable level.
• Switch off MUTING.
• Input digital signals or select input jacks to
which digital signals are being input.
12, 13
36
37
39
36
DISPLAY not lit and power indicator is
flashing rapidly.
• Speaker terminals are short-circuited.
• Block the ventilation holes of the set.
• The unit is operating at continuous high
power conditions and/or inadequate
ventilation.
• Switch power off, connect speakers
properly, then switch power back on.
• Turn off the set’s power, then ventilate it
well to cool it down.
Once the set is cooled down, turn the
power back on.
• Turn off the set’s power, then ventilate it
well to cool it down.
Once the set is cooled down, turn the
power back on.
12, 13
4, 12
4, 12
Sound produced only from one channel.
• Incomplete connection of speaker cords.
• Incomplete connection of input/output
cords.
• Connect securely.
• Connect securely. 12, 13
6 ~ 13
Positions of instruments reversed during
stereo playback.
• Reverse connections of left and right
speakers or left and right input/output
cords.
• Check left and right connections. 12, 13
The on screen display is not displayed.
• “On screen display” is set to off on the
system setup menu screen.
• Set “on screen display” on the system
setup menu screen to on.
25
Humming noise produced when record is
playing.
• Ground wire of turntable not connected
properly.
• Incomplete PHONO jack connection.
• TV or radio transmission antenna nearby.
• Connect securely.
• Connect securely.
• Contact your store of purchase.
6
6
—
Howling noise produced when volume is
high.
• Turntable and speaker systems too close
together.
• Floor is unstable and vibrates easily.
• Separate as much as possible.
• Use cushions to absorb speaker vibrations
transmitted by floor. If turntable is not
equipped with insulators, use audio
insulators (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 head
amplifier or step-up transformer.
6
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.
27
27
27
—
27 Remote control unit
Common problems when listening to the CD, records, tapes and FM broadcasts, etc.