Yamaha YSP-4300 User Manual

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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.
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.
The Eco function has been activated.
Turn on the power and play back the source again.
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.
No appropriate input source has been 
selected.
Select an appropriate input source with the input 
selector keys.
The volume is turned down.
Turn up the volume.
The sound is muted.
Press the MUTE or VOLUME (+/-) key to resume 
audio output and adjust the volume level.
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.
“HDMI AUDIO OUT” is set to “TV”.
Set to “AMP”.
“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”.
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. 
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.
The beam setting is inappropriate.
Adjust the beam setting.
You play back the source in stereo 
playback mode.
Switch to surround playback mode.
Some audio output methods do not output 
sound beams for certain channels.
Switch the sound beam output method.