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The unit fails to turn on when the POWER
switch is pressed.
The volume level cannot be increased, or
sound is distorted.
There is distortion and clear reception cannot be
obtained even with a good FM antenna.
A desired station cannot be tuned in with
Auto tuning.
A desired station cannot be tuned in with
Auto tuning.
There are continuous crackling and hissing
noises.
There are buzzing and whining noises
(especially in the evening).
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.
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 CAUSE REMEDY
FFirmly plug in the power cord.
No sound or no picture. Incorrect output cord connections. Connect the cords properly. If the problem persists,
the cords may be defective.
Appropriate input selector is not pressed. Press the appropriate input selector corresponding
to the input source.
The sound suddenly goes off. Turning the unit off and then on will reset the
protection circuit.
The SLEEP timer functioned. Do not make the SLEEP timer function.
Only one side speaker outputs the sound Incorrect setting of the BALANCE control. Adjust it to the appropriate position.
Incorrect cord connections. Connect the cords properly. If the problem persists,
the cords may be defective.
Sound “hums”. Incorrect cord connections. 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 volume level is low while playing a record. The player should be connected to the unit through
the MC head amplifier.
Turn the power to the component on.
No sound from the rear speakers. Turn up the sound output level with the REAR
LEVEL control.
Select another program suitable for the monaural
sound source.
No sound from the center speaker. Turn up the sound output level with the CENTER
LEVEL control.
The center channel mode is in PHANTOM mode. Select NORMAL or WIDE.
Incorrect sound field program selection. Select the appropriate program.
No sound field program is selected.
FM stereo reception is noisy. Check the antenna connections. Try using a
multiple element FM antenna.
There is multipath interference. Adjust antenna placement to eliminate multipath
interference.
The station is too weak. Use Manual tuning mode. Use a high quality
directional FM antenna.
Weak signal or loose antenna connections. Tighten the AM loop antenna connections and
rotate it for best reception. Use Manual tuning
mode.
Use an outdoor antenna and a ground wire. This
will help somewhat but it is difficult to eliminate all
noise.
A television set is being used nearby. Relocate this unit away from the TV.
The remote control transmitter does not work. Change the position of the main unit.
Replace the batteries with new ones.
The power to this unit is off. Turn the power to this unit on.
Power cord is not plugged in or is not completely
inserted.
The protection circuit has been activated because
of short circuit etc.
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.
Because of the characteristics of FM stereo
broadcasts, this is limited to cases where the
transmitter is too far away or the antenna input is
poor.
Noises will result from lighting, fluorescent lamps,
motors, thermostats and other electrical
equipment.
Direct sunlight or lighting (of an inverter type of
fluorescent lamp etc.) is striking the remote control
sensor of the main unit.
The batteries of this remote control transmitter are
too weak.
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AM FM Amplifier