Yamaha yas-70bl Manual Do Utilizador
ADDITIONAL INFORMATION
26
En
If there is any problem with this system, check the following items. If you cannot solve your problem with the following
remedies or if your problem was not listed below, turn off and unplug this system, and then consult the nearest authorized
Yamaha dealer or service center.
remedies or if your problem was not listed below, turn off and unplug this system, and then consult the nearest authorized
Yamaha dealer or service center.
Additional information
Troubleshooting
Problem
Cause
Solution
See
page
Power turns on but
immediately shuts off.
immediately shuts off.
The power cable may be connected
improperly.
improperly.
Make sure the power cable is plugged into the
outlet firmly.
outlet firmly.
The speaker cable may be shorted.
Make sure all speaker cables are connected
properly.
properly.
This system may receive a strong
electrical shock such as from a lightening
bolt or excessive static electricity.
electrical shock such as from a lightening
bolt or excessive static electricity.
Set this system to the standby mode, and then
disconnect the power cable. Wait for about 30
seconds, connect the power cable, and then turn
on this system.
disconnect the power cable. Wait for about 30
seconds, connect the power cable, and then turn
on this system.
The speakers make no
sound.
sound.
The volume may be set to minimum
level.
level.
Adjust the volume level.
The mute function may be activated.
Cancel the mute function.
The input source or input setting may be
incorrect.
incorrect.
Select the correct input source or input setting.
The cables may be connected
improperly.
improperly.
Make sure all cables are connected properly.
Sound is too low on
one side.
one side.
The cables may be connected
improperly.
improperly.
Make sure all cables are connected properly.
Speaker channels other
than the front ones
make no sound.
than the front ones
make no sound.
You may be listening to stereo sounds
without the sound field effect.
without the sound field effect.
Press sound field program button to enable the
sound field effect.
sound field effect.
The center speaker
channel makes no
sound.
channel makes no
sound.
The volume of the center speaker
channel may be set to minimum level.
channel may be set to minimum level.
Adjust the volume level of the center speaker
channel using test tones.
channel using test tones.
The surround speaker
channels make no
sound.
channels make no
sound.
The volume of the surround speaker
channels may be set to minimum level.
channels may be set to minimum level.
Increase the output level of SL/SR by pressing
S
.
Increase the output level of the virtual surround
speaker channel by pressing SUR. +.
speaker channel by pressing SUR. +.
The subwoofer makes
no sound.
no sound.
The volume of the subwoofer channel
may be set to minimum level.
may be set to minimum level.
Adjust the volume level of the subwoofer.
You may be listening to an audio source
that does not contain any low tone signal.
that does not contain any low tone signal.
The subwoofer does not support signals outside
the specified range.
the specified range.
Sound is poor (noisy).
The speaker cable may be shorted.
Make sure all cables are connected properly.
This system does not
operate properly.
operate properly.
This system may receive a strong
electrical shock, such as from a
lightening bolt or excessive static
electricity, or drop in power supply.
electrical shock, such as from a
lightening bolt or excessive static
electricity, or drop in power supply.
Set this system to the standby mode, and then
disconnect the power cable. Wait for about 30
seconds, connect the power cable, and then turn
on this system.
disconnect the power cable. Wait for about 30
seconds, connect the power cable, and then turn
on this system.
The system control cable may be
connected improperly.
connected improperly.
Connect the system cable firmly.
A digital or high-
frequency equipment
produces noises.
frequency equipment
produces noises.
This system may be placed close to the
digital equipment or high-frequency
equipment.
digital equipment or high-frequency
equipment.
Place this system further away from such
equipment.
equipment.
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