Yamaha YAS-71CU - Manual (Page 38)

34
En
ADDITIONAL INFORMATION
If there is any problem with the system, check the following items. If you cannot solve a problem with the following
remedies, or if the problem is not listed below, turn off and unplug the system, and then consult your nearest authorized
Yamaha dealer or Service Center.
ADDITIONAL INFORMATION
Troubleshooting
Problem Cause Solution
See
page
Power turns on but
immediately shuts off. The power cable may be connected
improperly. Make sure the power cable is plugged into the
outlet firmly.
15
A speaker cable may be shorted. Make sure all speaker cables are connected
properly.
11
This system may have received a strong
electrical shock, such as from a
lightening bolt or excessive static
electricity. Set this system to standby mode, and then
disconnect the power cable. Wait for about 30
seconds, connect the power cable, and then turn
the system on again.
16
The speakers make no
sound. The volume may be set to minimum
level. Adjust the volume level.
16, 32
The mute function may be activated. Cancel the mute function. 16
The input source or input setting may be
incorrect. Select the correct input source or input setting.
16
The cables may be connected
improperly. Make sure all cables are connected properly.
11
Sound is too low on
one side. The cables may be connected
improperly. Make sure all cables are connected properly.
11
Speaker channels other
than the front ones
make no sound. You may be listening to stereo sounds
without surround mode. Press a surround mode button to enable the
sound field effect.
18
The center speaker
channel makes no
sound. The volume of the center virtual speaker
channel may be set to minimum level. Adjust the volume level of the center virtual
speaker channel.
32
The surround speaker
channels make no
sound. The volume of the surround virtual
speaker channels may be set to minimum
level. Adjust the volume level of the surround virtual
speaker channels.
32
The subwoofer makes
no sound. The volume of the subwoofer channel
may be set to minimum level. Adjust the volume level of the subwoofer.
32
Sound is poor (noisy). A speaker cable may be shorted. Make sure all cables are connected properly. 11
This system does not
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. Set this system to standby mode, and then
disconnect the power cable. Wait for about 30
seconds, connect the power cable, and then turn
on this system.
16
The system control cable may be
connected improperly. Connect the system cable firmly.
11
A digital or high-
frequency equipment
produces noises. The system may be placed close to
digital equipment or high-frequency
equipment. Place this system farther away from such
equipment.
—