Denon AVR-1803 - Troubleshooting, Specifications, and Warranty; Troubleshooting Common Issues

0
20 TROUBLESHOOTING
If a problem should arise,first check the following.
1. Are the connections correct 7
2. Have you operated the receiver according to the Operating Instructions ?
3. Are the speakers, turntable and other components operating property 7
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
2
a,
DISPLAY not Irt and sound not produced
l Power cord not plugged in securely.
l Check the insertion of the power cord plug.
9
when power swatch set to on.
l Turn the power on with the remote control
32
vi
77
unit after turning the POWER switch on.
8
n
8
l Speaker cords not securely connected. l Connect securely.
16, 17
:
l Improper position of the audio function
l Set to a suitable position. 33
button.
F
DISPLAY Irt but sound not produced.
l Volume control set to minrmum.
l Turn volume up to suitable level. 34
m
l MUTING IS on. l Swrtch off MUTING.
36
:
B
l Digrtal srgnals not input Digital input l Input digital srgnals or select input jacks to
33
selected. which digital signals are being input.
$
s
l Speaker termrnals are short-circurted. l Switch power off, connect speakers
16, 17
u
properly, then switch power back on.
e
l Block the ventrlatron holes of the set.
l Turn off the set’s power, then ventilate it
9, 16
2
well to cool it down.
- DISPLAY not Irt and power rndrcator IS Once the set is cooled down, turn the
0
P
flashrng raprdiy.
power back on.
‘C
l The unit IS operatrng at contrnuous high
l Turn off the set’s power, then ventilate it
9, 16
a,
6
power condrtrons and/or inadequate well to cool it down.
zz
ventilation. Once the set is cooled down, turn the
2
power back on.
5
E
l Incomplete connection of speaker cords.
l Connect securely. 16. 17
s
Sound produced only from one channel. l Incomplete connection of Input/output l Connect securely.
9- 17
0 cords.
a
6
2
Posrtrons of Instruments reversed durrng
l Reverse connections of left and right
l Check left and right connections.
17
s
stereo playback
speakers or left and rrght input/output
cords.
l Ground wrre of turntable not connected
l Connect securely. 9
Humming norse produced when record is properly.
playing. l Incomplete PHONO jack connectron.
l Connect securely. 9
l TV or radio transmrssion antenna nearby.
l Contact your store of purchase.
-
::
l Turntable and speaker systems too close l Separate as much as possible.
-
6
F
together.
Howlrng noise produced when volume IS l Floor is unstable and vibrates easrly.
l Use cushions to absorb speaker vibrations
-
F
hrgh. transmitted by floor. If turntable is not
2
equipped with insulators, use audio
a
6
insulators (commonly available).
2
l Stylus pressure too weak. l Apply proper stylus pressure.
-
Sound IS distorted. l Dust or dirt on stylus.
l Check stylus.
-
l Cartridge defective
l Replace cartridge.
-
Volume IS weak.
l MC cartridge being used.
l Replace with MM cartridge or use a head
9
amplifier or step-up transformer.
l Batterres dead. l Replace with new batteries.
18
l Remote control unrt too far from thus unit.
l Move closer.
18
This unit does not operate properly when l Obstacle between this unit and remote
l Remove obstacle.
18
remote control unrt IS used control unit.
l Dtfferent button IS being pressed.
l Press the proper button.
-
l @and 0 ends of battery inserted rn reverse.
l Insert batteries properly.
18
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