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Verfügbare Sprachen
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[9] TROUBLESHOOTING
lf a problem should arise, first check the following:
1. Are the connections correct?
2. Have you operated the amplifier according to the Operating Instructions?
3. Are the speakers, turntable, and other components
operating properly?
[see
. MFD
not
lit and
sound
not
produced when power switch
set to on.
e
Check the insertion of the power cord
plug.
Speaker cords not securely connected.
MFD
lit but sound
not pro-
duced.
Connect securely.
OUTPUT
button
is off.
e
Select
FRONT,
CENTER,
or REAR
of
the remote control's OUTPUT
button.
e
Set to a suitable position.
e
Improper position of the audio input
selection
button.
e
Volume
contro!
set to minimum.
e@
MUTING
is on.
e
Turn volume
up to suitable level.
e
Switch off MUTING.
-PROTECT-
display
appears
on multi-function display.
Once the set is cooled down, turn the
power
back on.
e
Blocking the ventilation holes of the
set.
The unit is operating at continuous
high
power
conditions
and/or
in-
adequate ventilation.
Sound
produced
only
from
Incomplete
connection
of
speaker
one channel.
cords.
Incomplete
connection
of
output cords.
Left/right balance is off.
Connect securely.
input/ | e
Connect securely.
Adjust balance knob properly.
Positions
of instruments
re-
versed
during
stereo
play-
back.
Reverse connections of left and right
speakers or left and right input/output
cords.
9
Sound seems distorted.
e
Effect level parameter is high.
e@ Lower effect level parameter.
18, 20
Sound seems
strange.
e
DSP parameter settings are poor.
e
Press the CLEAR
button then adjust
the DSP
parameters.
Check left and right connections.
Common
problems
arising
when
listening
to the
CD,
records,
tapes,
and
FM
broadcasts,
etc.
video) is not possible.
©
CD
direct
mode
does
not | e
REC SELECT
is on.
work.
e
Cancel REC SELECT.
22
[Siren
Humming
noise
produced
when
record is playing.
e
Ground
wire
of turntable
not
con-
| e
Connect
securely.
nected
properly.
e
Incomplete PHONO jack connection.
e TV
or
radio
transmission
antenna
nearby.
e
Connect securely.
e Contact your store of purchase.
e
Turntable
and
speaker
systems
too | e
Separate as much
as possible.
close together.
_
e
Floor is unstable and vibrates easily.
Howling
noise
produced
when
volume
is high.
;
.
e
Use cushions to absorb speaker vibra-
tions transmitted by floor. If turntable
is not equipped with insulators, use
audio
insulators
(commonly
avail-
able).
e
Apply proper stylus pressure.
When
playing
records
e
Stylus pressure too weak.
e
Dust or dirt on stylus.
e
Check stylus.
e
Cartridge defective.
e
Replace cartridge.
Volume
is weak.
e
MC cartridge being used.
e
Replace with MM
cartridge or use a
head amplifier or step-up transformer.
Amplifier
does
not
operate
| e
Batteries dead.
e
Replace with new
batteries.
11
properly when remote control
| e
Remote
contro!
unit
too
far
from | e
Move
closer.
unit is used. (When LEARNED/
amplifier.
TX LED is fit)
e
Obstacle
between
amplifier
and
re-
mote control unit.
e
Learning
process
to the button
im-
proper.
e
Different button is being pressed.
Sound
is distorted.
e
Remove
obstacle.
e
Set learning again.
@
Press the proper button.
e Learning process to the button im- | e Set learning again.
proper.
e
Learning process has not been applied
to the button.
e
Batteries dead.
e & and & ends of battery inserted in
reverse.
e
{mproper
position
of
PROGRAM | e
Set to desired
position
(AMPLIFIER,
switch.
AV).
Amplifier
does
not
operate
properly when remote control
unit is used. (When LEARNED/
TX LED is not lit)
e
Apply learning
process.
e
Replace with new
batteries.
e
Insert batteries properly.
Remote
control
unit
e INITIALIZATION OF THE MICROPROCESSOR
[3] Check that the entire MFD display is flashing with an
interval of about
1 second,
and release your fingers
from the 3 buttons.
[4]Switch on the unit and the microprocessor
will be
initialized. The input function is set to tuner with the
bypass mode
automatically.
NOTE:
e When
the unit does
not show the result of
same
time (as illustrated
in the diagram
below,
@
above
[3] and[4], repeat the procedure from [1]
BYPASS button, @ SURROUND MODE button, and @
again.
OO CENTER MODE button) plug the power cord into the
e When the microprocessor is initialized, all the
outlet.
previous setting of the unit is released and is
set to the shipping condition from the manu-
facturer.
When the indication of the MFD display is not normal or
when
the operation
of the
unit does
not shows
the
reasonable result, the initialization of the microprocessor
is required by the following
procedure.
[1] Switch off the unit and remove the AC power cord from
the wall outlet.
[2]Hold the following 3 buttons of the main unit at the
DENOWN wn anne commen emmeane mow AVC: 7839
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