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78
TROUBLESHOOTING
Problem
Dolby Digital or DTS
sources cannot be
played. (Dolby Digital or
DTS indicator on the
front panel display
does not light up.)
Poor bass
reproduction.
A “humming” sound
can be heard.
The volume level is low
while playing a record.
The volume level
cannot be increased, or
the sound is distorted.
The sound effect
cannot be recorded.
A source cannot be
recorded.
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.
Cause
“Digital output” and “Dolby Digital” or
“DTS” are not selected on the connected
components.
“1E LFE/BASS OUT” on the SET
MENU is set to SWFR or BOTH and
your system does not include a
subwoofer.
The output mode for each speaker (main,
center, rear, or rear center) on the SET
MENU does not match your speaker
configuration.
Incorrect cable connections.
No connection from the turntable to the
GND terminal.
The record is being played on a turntable
with an MC cartridge.
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 connected to the
analog input jacks of this unit for digital
recording.
Digital connections are not made between
this unit and other components for
playback or recording.
A source component is connected to the
digital input jacks of this unit for analog
recording.
Analog connections are not made
between this unit and other components
for playback or recording.
Some recording components cannot
record the Dolby Digital or DTS sources.
“14 MEMORY GUARD” on 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.
Remedy
Make an appropriate setting following the operation
instructions for your component.
Select MAIN (see page 58).
Select the appropriate output mode for each speaker based on
the size of the speakers in your configuration (see pages 56 to
58).
Firmly connect the audio plugs. If the problem persists, the
cables may be defective.
Connect the grounding cord of your turntable to the GND
terminal of this unit (see page 18).
The turntable should be connected to this unit through an
MC-head amplifier (see page 17).
Turn on the power to the component.
Connect the source component to the DIGITAL INPUT jacks.
Make digital connections.
Connect a source component to the analog input jacks.
Make analog connections.
Select OFF (see page 65).
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.
0112HTR5590_76-83_EN(U) 02.8.5, 4:32 PM78