Yamaha R-S700BL Owner's Manual page 55

Problem
Incorrect cable connections.
A "humming" sound
can be heard.
No connection from the turntable to the
GND terminal.
The record is being played on a turntable
The volume level is
with an MC cartridge.
low while playing a
record.
The component connected to the TAPE
The volume level
REC or LINE 1 REC output jacks of this
cannot be increased,
unit is turned off.
or the sound is
distorted.
The power of this unit is turned off, or this
The sound is
unit is set to standby mode.
degraded when
listening with the
headphones
connected to the CD
player or the tape
deck connected to
this unit.
The loudness control function is
The sound level is
operating.
low.
The CD DIRECT AMP switch is turned
The input source
on (R-S700 only).
cannot be changed
although the INPUT
selector is rotated.
The CD DIRECT AMP (R-S700 only) or
Using the BASS,
the PURE DIRECT switch is turned on.
TREBLE, BALANCE
and LOUDNESS
controls does not
affect the tonal
quality.
Cause
Connect the audio plugs firmly. If the problem
persists, the cables may be defective.
Make the GND connection between the turntable and
this unit.
The turntable should be connected to this unit through
the MC head amplifier.
Turn on the power of the component.
Turn on the power of this unit.
Turn down the volume, set the LOUDNESS control
to the FLAT position, and then adjust the volume
again.
Turn off the CD DIRECT AMP switch.
The CD DIRECT AMP or the PURE DIRECT switch
must be turned off to use those controls.
TROUBLESHOOTING
Remedy
See
page
12
12
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16
18
17
17
51
En