Troubleshootrng - Denon AVR-1803 Operating Instructions Manual

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
63