Yamaha YAS-103 Manual Do Proprietário

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Troubleshooting
Refer to the table below when the sound bar does not function properly. If the problem 
you are experiencing is not listed below or if the instructions below do not help, turn off 
the sound bar, disconnect the power cable, and contact the nearest authorized Yamaha 
dealer or service center.
First, check the following:
The power cables of the sound bar, TV and playback devices (such as BD 
players) are connected to AC wall outlets securely.
The sound bar, TV and playback devices (such as BD players) are turned on.
The connectors of each cable are securely inserted in to jacks on each device.
Power and system
Audio
Problem
Cause
Remedy
The power turns 
off immediately.
The auto power standby function 
worked.
When the auto power standby 
function is enabled and one of the 
following conditions is met, the 
sound bar will automatically turn 
off.
- No operations for 8 hours
- No audio input and no 
operations for 20 minutes when 
BLUETOOTH is selected as the 
input source.
Disable the auto power standby 
function (p.14).
The power 
cannot be turned 
on.
The protection circuitry has been 
activated three times 
consecutively. (If you try to turn on 
the power in this condition, the 
STATUS indicator flashes.)
For product protection, the power 
cannot be turned on. Unplug the 
power cable from the AC wall outlet 
and contact the nearest authorized 
Yamaha dealer or service center.
The sound bar is 
not reacting.
The internal microcomputer is 
frozen, due to an external electric 
shock (such as lightning or 
excessive static electricity) or to a 
drop in the power supply voltage.
Hold down 
 (power) on the front 
panel of the sound bar for more than 
10 seconds to reboot it. (If the problem 
persists, disconnect the power cable 
from the AC wall outlet and plug it 
again.)
The sound bar 
operates by 
itself.
Another Bluetooth device is being 
operated nearby.
Terminate Bluetooth connection of the 
sound bar (p.11).
TV’s 3D glasses 
do not work.
The sound bar is blocking the 3D 
glasses transmitter of your TV.
Check the position of the 3D glasses 
transmitter of your TV and adjust the 
position of the sound bar. If necessary, 
remove the stands of the sound bar 
(p.5).
Problem
Cause
Remedy
No sound.
Another input source is selected.
Select an appropriate input source 
(p.8).
The mute function is activated.
Cancel the mute function (p.9).
The volume is too low.
Turn up the volume (p.8).
No sound is 
coming from the 
subwoofer.
The volume of the subwoofer is 
too low.
Turn up the volume of the subwoofer 
(p.8).
The playback source does not 
contain low-frequency signals.
Play back a sound source containing 
low-frequency signals.
The volume 
decreases when 
the sound bar is 
turned on.
The automatic volume adjustment 
function worked.To prevent 
excessive loudness, the sound 
bar automatically controls its 
volume within a certain level when 
the sound bar is turned on.
If necessary, turn up the volume (p.8).
No surround 
effect.
Stereo playback is selected.
Select surround playback (p.9).
The volume is too low.
Turn up the volume (p.8).
The TV or playback device is set 
to output 2 channel audio (such 
as PCM) only.
Change the digital audio output setting 
on the TV or playback device to Dolby 
Digital or BitStream.
The audio is output from the TV 
built-in speakers.
Set the TV volume to minimum (p.6).
Noise is heard.
The sound bar is too close to 
another digital or high-frequency 
device.
Move those devices away from the 
sound bar.