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[13] 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?
If the receiver is not operating properly, check the items listed in the table below. Should the problem persist, there may be a maifunction.
Disconnect the power
immediately and contact your store of purchase.
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 outtet.
2. Hold the following 2 buttons of the main unit at the same time
(as iltustrated in the diagram below, @ AUDIO FUNCTION
3. Check that the entire MFD display is flashing with an interval of
about 1 second, and release your fingers from the 2 buttons.
4. Switch on the unit and the microprocessor will be initialized.
The input function is set to tuner with the bypass made
automaticatty.
NOTE:
© When the unit does not show the result of above 3
and 4, repeat the procedure from 1 again.
@ When the microprocessor is initialized, all settings
you have made are reset to the factory presettings.
Symptom
Cause
Measures
Page
MED not fit and sound not produced
| e«
Power cord not plugged in securely.
e@
Check the insertion
of the power
cord
5
when
power switch set to on.
plug.
MFD
lit but sound not produced.
©
Speaker cords not securely connected.
@
Connect securely.
10
@
OUTPUT button is off.
@
Press the OUTPUT button.
12
a
e
'mproper position of the audio function
| ¢
Set to a suitable position.
W
J
button.
8
®
Voatume control set to minimum.
«
Turn volume up to suitable level.
WW
2
@
MUTING
is on.
e@
Switch off MUTING.
W
8
-PROTECT-
display appears mutti-
| e
Speaker terminals are short-circuited.
«
Switch power off, connect speakers prop-
10
2
function display
erly, then switch power back on.
iad
©
Block the ventilation holes of the set.
e@
Tusn off the set's power, then ventilate it
2,6
2
walt to cool it down.
2
Once the set is cooled down, turn the
'Ee
power back on.
§s
«@
The unit is operating at continuous high | ©
Turn off the set's power, then ventilate it
26
B4
power conditions and/or inadequate ven-
weil to cool it down.
5
tilation.
Once the set is cooted down, turn the
gg
power back on.
zo
&4 | Sound
produced
only
from
one | «
incomplete connection of speaker cords.
| e
Connect securely.
10
'@ 8 | channel.
e
Incomplete
connection
of input/output
| «
Connect securely.
8~9
a3
cords,
é 8
©
Left/right batance is off.
e
Adjust balance knob properly.
W
6
as
Positions of instruments
reversed | ¢
Reverse
connections
of feft and
right | e
Check jeft and right connections.
oo.
during stereo playback.
speakers or teft and right input/output
ce
cords.
z ©
E H
Sound seems distorted.
e
Effect level parameter is high.
°
hid ie effect level parameter
to lower
3s
ot,
Sound seems strange.
Personal memory function does not
work,
Rear level is too high.
Set the rear level to lower level.
«
DSP parameter settings are poor.
@
Press the CLEAR button then adjust the
DSP parameters.
©
DAT/tape monitor mode set.
e
Press the DAT/TAPE
button to set the
source.
.
reverse.
18
button,
@ VIDEO FUNCTION button, and plug the power cord
into the outlet.
|
——---------s-——| eae
Good
Initial parameter values for the different modes
FRONT | CENTER
CENTER | REAR
|CENTER | 3CH | TEST | DELAY | EFFECT
OUTPUT!
sp
| SP/PRE
LEVEL | LeveL | MODE { LOGIC | TONE | TIME | LEVEL
SP:
SPEAKER OUT
PRE:
PRE OUT
e@ INPUT FUNCTION
@ PERSONAL
MEMORY
1
@ Reception band
:
FM
INPUT
VDP/OBS
e Reception mode
AUTO
SURROUND MODE
WIDE SCREEN
®
Reception frequency :
87.50MHz
e@ PERSONAL
MEMORY
2
INPUT
VDP/O8S
SURROUND
MODE
LIVE
@ Initialization of the Individual Modes
Use this to set the adjusted values back to the factory preset
values.
1, Press the CLEAR button.
CLEAR
Ca,
Remote control unit
The values for the currently selected mode
only are
reset to the values shown
on the above table.
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