Yamaha R-N500 Mode D'emploi page 48

Troubleshooting
Problem
There is a lack of bass
and no ambience.
A "humming" sound
can be heard.
The volume level is
low while playing a
record.
The sound is
degraded when
listening with the
headphones
connected to the CD
player or the tape
deck connected to
this unit.
The sound level is
low.
44
En
Cause
The + and – wires are connected in
reverse at the amplifier or the speakers.
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 power of this unit is turned off, or this
unit is set to standby mode.
The loudness control function is
operating.
Remedy
Connect the speaker wires to the correct + and –
phase.
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 this unit.
Turn down the volume, set the LOUDNESS control
to the FLAT position, and then adjust the volume
again.
See
page
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