Troubleshooting - Yamaha YAS-101 Owner's Manual

Refer to the chart below should the unit not function properly. If the problem you are experiencing is not listed below,
or if the instruction below does not help, set the unit to the standby mode, disconnect the AC power supply cable, and
contact the nearest authorized Yamaha dealer or service center. Check the below first.
1 The AC power supply cable of the unit, TV and external components (such as BD player) are firmly connected to
the AC wall outlet.
2 The power supply of the unit, TV and the external components (such as BD player) are turned on.
3 All cables are firmly connected to their respective jacks on each component.
Problem
Power turns on but
immediately shuts off.
The speakers make no
sound.
Surround effect is not
achieved.
No bass / The external
subwoofer makes no sound.
The volume level decreases
without any operation.
This unit does not operate
properly.
A digital or high-frequency
equipment produces noises.
The remote control does not
operate the unit.
The volume of the unit and TV
increases simultaneously.
12
En

Troubleshooting

Cause
The power cable may be connected improperly. Make sure the power cable is plugged into the
The unit may have received a strong electrical
shock, such as from a lightening bolt or
excessive static electricity.
The unit has an auto-sleep function, which will
automatically set to standby mode if the unit is
left turned on for 12 hours without any
operation being performed.
The volume may be set to minimum.
The mute function may be activated.
The input source or input setting may be
incorrect.
A surround mode is not selected.
The volume of the subwoofer channel may be
set to minimum level.
Opposite setting of subwoofer is selected.
The source does not contain low frequency
signals.
The cable between the unit and the subwoofer
not connected when selecting playback of the
external subwoofer.
The unit controls its volume within a certain
level to prevent the next playback from sudden
output at excessive volume.
The unit may receive a strong electrical shock,
such as from a lightening bolt or excessive static
electricity, or drop in power supply.
The unit may be placed close to digital
equipment or high-frequency equipment.
The unit may be outside the remote control
operation range.
The remote control sensor of the unit may be
exposed to direct sunlight or other lighting.
The batteries may be worn out.
Your TV itself received the signal from TV
remote control, having learned the operation of
the unit.
Solution
outlet firmly.
Set the unit to standby mode, and then
disconnect the power cable. Wait for about 30
seconds, connect the power cable, and then turn
the unit on again.
Adjust the volume level.
Press MUTE on the remote control to cancel the
mute function and adjust the volume.
Select the correct input source or input setting.
Press SURROUND on the remote control to
play back the source in surround effect.
Adjust the volume level of the subwoofer.
Select collect setting of subwoofer.
Connect the unit and the external subwoofer by
using a subwoofer pin cable.
Reset the volume.
Set the unit to standby mode, and then
disconnect the power cable. Wait for about 30
seconds, connect the power cable, and then turn
on the unit again.
Place the unit away from such equipment.
The operation range for the remote control of
the unit is within 6 m (20 ft).
Change the lighting or reposition the unit.
Replace the batteries.
Set the volume of your TV to minimum, or set
the audio output of your TV built-in speaker to
off.
Adjust the volume by using the remote control
of the unit.
See
page
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