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56
TROUBLESHOOTING
Problem
No sound from the rear
center speaker.
A “humming” sound
can be heard.
The volume level
cannot be increased, or
the sound is distorted.
The sound effect
cannot be recorded.
A source cannot be
recorded by a digital
recording component
connected to the
DIGITAL OUTPUT jack
of this unit.
The sound field
parameters and some
other settings on this
unit cannot be
changed.
This unit does not
operate properly.
“CHECK SP WIRES”
appears on the front
panel display.
There is noise
interference from digital
or high-frequency
equipment, or this unit.
This unit suddenly
turns into the standby
mode.
Cause
“1C REAR LR” or “1D REAR CT” on
the SET MENU is set to NON.
The Dolby Digital EX decoder or the
DTS-ES compatible decoder is not on.
Incorrect cable connections.
The component connected to the OUT
(REC) jacks of this unit is turned off.
It is not possible to record the sound
effect by a recording component.
A source component is not connected to
the DIGITAL INPUT jacks of this unit.
“10 MEM. GUARD” in the SET MENU
is set to ON.
The internal microcomputer has been
frozen by an external electric shock (such
as lightning or excessive static electricity)
or by a power supply with low voltage.
Speaker cables are short circuited.
This unit is too close to the digital or
high-frequency equipment.
The internal temperature becomes too
high and the overheat protection circuitry
has been activated.
Remedy
Select LRG or SML.
Press the EX/ES button on the remote control to
turn it on.
Firmly connect the audio plugs. If the problem
persists, the cables may be defective.
Turn on the power to the component.
Connect the source component to the DIGITAL
INPUT jacks of this unit.
Set “10 MEM. GUARD” in the SET MENU to
OFF.
Disconnect the AC power cord from the outlet
and then plug it in again after about 30 seconds.
Make sure all speaker cables are connected
correctly.
Move this unit further away from such
equipment.
Wait until this unit cools down and then turn it
back on.
Refer
to page
44
28
10 – 16
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0110V630_54-60_EN(GB) 1/11/02, 7:43 PM56