- ページ 25
アンプ Yamaha DSP-A590のPDF オーナーズマニュアルをオンラインで閲覧またはダウンロードできます。Yamaha DSP-A590 27 ページ。 Natural sound digital sound field processing amplifier
ページを印刷する
TROUBLESHOOTING
If the unit fails to operate normally, check the following points to determine whether the fault can be corrected by the simple
measures suggested. If it cannot be corrected, or if the fault is not listed in the SYMPTOM column, disconnect the power cord and
contact your authorized YAMAHA dealer or service center for help.
SYMPTOM
The unit fails to turn on when the
POWER switch is pressed.
No sound or no picture.
The sound suddenly goes off.
Only one side speaker outputs the
sound.
Sound "hums".
The volume level is low while playing a
record.
The volume level cannot be increased,
or sound is distorted.
No sound from the rear speakers.
No sound from the center speaker.
The remote control transmitter does
not work.
The sound is degraded when
monitoring is performed by using the
headphones connected to the compact
disc player or cassette deck which are
connected with this unit.
CAUSE
Power cord is not plugged in or is not
completely inserted.
Incorrect output cord connections.
Appropriate input selector is not pressed.
The protection circuit has been activated
because of short circuit etc.
The SLEEP timer functioned.
Incorrect setting of the BALANCE control.
Incorrect cord connections.
Incorrect cord connections.
No connection from the turntable to the
GND terminal.
The record is being played on a turntable
with an MC cartridge.
The power to the component connected
to the REC OUT terminals of this unit is
off.
The sound output level to the rear
speakers is set to 0.
The monaural sound source is played in
DOLBY PRO LOGIC or DOLBY PRO
LOGIC ENHANCED mode.
The sound output level to the center
speaker is set to 0.
The center channel mode is in
PHANTOM mode.
Incorrect sound field program selection.
No sound field program is selected.
Direct sunlight or lighting (of an inverter
type of flourescent lamp etc.) is striking
the remote control sensor of the main
unit.
The batteries of this remote control
transmitter are too weak.
The power to this unit is off.
REMEDY
Firmly plug in the power cord.
Connect the cords properly. If the
problem persists, the cords may be
defective.
Press the appropriate input selector
corresponding to the input source.
Turning the unit off and then on will
reset the protection circuit.
Do not make the SLEEP timer function.
Adjust it to the appropriate position.
Connect the cords properly. If the
problem persists, the cords may be
defective.
Firmly connect the audio plugs. If the
problem persists, the cords may be
defective.
Make the GND connection between the
turntable and this unit.
The player should be connected to the
unit through the MC head amplifier.
Turn the power to the component on.
Turn up the sound output level with the
REAR LEVEL control.
Select another program suitable for the
monaural sound source.
Turn up the sound output level with the
CENTER LEVEL control.
Select NORMAL or WIDE.
Select the appropriate program.
Change the position of the main unit.
Replace the batteries with new ones.
Turn the power to this unit on.
25