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TROUBLESHOOTING
ADDITIONAL
INFORMATION
A “humming” sound
can be heard.
Incorrect cable connections. Connect the audio plugs firmly. If the problem
persists, the cables may be defective.
12
No connection from the turntable to the
GND terminal.
Make the GND connection between the turntable and
this unit.
12
The volume level is
low while playing a
record.
The record is being played on a turntable
with an MC cartridge.
The turntable should be connected to this unit through
the MC head amplifier.
—
The volume level
cannot be increased,
or the sound is
distorted.
The component connected to the TAPE
REC or LINE 1 REC output jacks of this
unit is turned off.
Turn on the power of the component.
—
The sound is
degraded when
listening with the
headphones
connected to the CD
player or the tape
deck connected to
this unit.
The power of this unit is turned off, or this
unit is set to standby mode.
Turn on the power of this unit.
16
The sound level is
low.
The loudness control function is
operating.
Turn down the volume, set the LOUDNESS control
to the FLAT position, and then adjust the volume
again.
18
The input source
cannot be changed
although the INPUT
selector is rotated.
The CD DIRECT AMP switch is turned
on (R-S700 only).
Turn off the CD DIRECT AMP switch.
17
Using the BASS,
TREBLE, BALANCE
and LOUDNESS
controls does not
affect the tonal
quality.
The CD DIRECT AMP (R-S700 only) or
the PURE DIRECT switch is turned on.
The CD DIRECT AMP or the PURE DIRECT switch
must be turned off to use those controls.
17
Problem Cause Remedy
See
page