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70 En
TROUBLESHOOTING
Troubleshooting
Refer to the chart below when this unit does not function properly. If the problem you are experiencing is not listed below or if the
instruction below does not help, set this unit to the standby mode, disconnect the AC power supply cable, and contact the nearest
authorized Yamaha dealer or service center.
General
Problem Cause Remedy
See
page
This unit does not
operate properly.
The internal microcomputer has been
frozen by an external electric shock (such
as lightning or excessive static electricity)
or by a power supply with low voltage.
Disconnect the AC power supply cable from the
outlet and plug it again in after 30 seconds.
–
If both the TX and RX indicators are
blinking, a problem has occurred with this
unit's wireless function.
Unplug the center unit and subwoofer power cables
and contact your nearest authorized Yamaha dealer
or service center.
–
This unit fails to turn on
when key is pressed,
or enters the standby
mode soon after the
power has been turned
on.
The AC power supply cable is not firmly
connected to the AC wall outlet.
Connect the AC power supply cable firmly to the
AC wall outlet.
18
The internal microcomputer has been
frozen by an external electric shock (such
as lightning or excessive static electricity)
or by a power supply with low voltage.
Disconnect the AC power supply cable from the
outlet and plug it again in after 30 seconds.
–
This unit suddenly
enters the standby
mode.
The internal temperature becomes too high
and the overheat protection circuitry has
been activated.
Wait for about 1 hour for this unit to cool down, turn it
back on after confirming an adequate amount of
ventilation space and not to cover this unit with a cloth.
11
The Eco function has been activated. Turn on the power and play back the source again. 41
Some time has passed since the wireless
connection was terminated with “iPod
INTERLOCK” set to “ON” while
YIT-W12TX is in use.
Resume wireless connection or detect audio of iPod
and turn on the unit.
–
No sound.
Incorrect input or output cable connections. Connect the cable properly. 18, 19
No appropriate input source has been
selected.
Select an appropriate input source with the input
selector keys.
32
The volume is turned down. Turn up the volume. 32
The sound is muted. Press the MUTE or VOLUME (+/-) key to resume
audio output and adjust the volume level.
32
There is input signal cannot be played back
by this unit.
Play a source whose signals can be reproduced by
this unit. Change the system settings of the source
component.
78
“HDMI AUDIO OUT” is set to “TV”. Set to “AMP”. 65
“HDMI CONTROL” is set to “OFF”. When connecting ARC (Audio Return Channel)
supported TV and this unit using an HDMI cable
only, set “HDMI CONTROL” to “ON”.
65
To use this unit with “HDMI CONTROL” set to
“OFF”, use an optical cable to connect the TV’s
audio output jack to this unit's INPUT DIGITAL
TV (optical) jack.
19
Sound from an HDMI control-enabled TV
is set for output from the TV’s built-in
speakers.
Use the TV’s HDMI settings to set audio output to
any option other than the TV’s built-in speakers. –
The sound of effect
channel for cable
broadcasting may
become noise.
The source has a surround effect. Do not put surround effect by this unit.
–
No sound or too small
sound from a specific
channel.
The output level of the channel is muted. Raise the output level of the channel. 33, 64
The beam setting is inappropriate. Adjust the beam setting. 36
You play back the source in stereo
playback mode.
Switch to surround playback mode.
34
Some audio output methods do not output
sound beams for certain channels.
Switch the sound beam output method.
36
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