Troubleshooting - Yamaha MCR-B142 Mode D'emploi

If there is a problem with the unit, check the following list first. If you cannot resolve the problem with the suggested
solutions or if the problem is not listed below, turn off and unplug the system, and consult the nearest authorized Yamaha
dealer or service center.
General
Problem
The speakers make no sound.
Sound suddenly turns off.
Sound is cracked/distorted or
there is abnormal noise.
The unit does not operate
properly.
The system turns on but
immediately shuts off.
A digital or high-frequency
equipment produces noises.
The clock setting has been
cleared.
The iPod does not play back at
the alarm time even if the alarm
source is set to iPod.
Alarm does not sound.
The front panel display indicates
"ALARM not work" and can't
set the alarm.
The unit turns the system off
unexpectedly.
iPod
Problem
No sound.
The iPod does not charge up.
The front panel display indicates
"iPod Unknown" when you
connect the iPod.

TROUBLESHOOTING

Cause
The volume might be set to the minimum level,
or muted.
The source may be incorrect.
The speakers may not be connected securely.
Headphones are connected.
The volume of a connected external device is not
loud enough.
The sleep timer may be set (☞ P. 16).
The automatic system-off function may have
operated.
Input source volume is excessive, or volume of
this unit is excessive (especially Bass).
The unit may have received a strong electrical
shock such as lightning or excessive static
electricity, or power supply may have dropped.
The unit may be placed too close to the digital or
high-frequency equipment.
The unit remained unpowered for about one hour. Plug the power cable into the wall outlet firmly, and set the
The iPod is not set in the iPod dock.
The unit is set to power saving mode.
The automatic system-off function may have
operated.
Cause
The iPod is not set in the iPod dock firmly.
The headphones of the iPod are connected.
The iPod software version has not been updated.
The iPod is not set in the iPod dock firmly.
USB is selected as the audio source.
The iPod being used is not supported by the unit. Use a supported iPod (☞ P. 25).
Solution
Adjust the volume level.
Select the correct source.
Check the connections (☞ P. 2).
Remove the headphones.
Raise the volume of the external device.
Turn the system on and play the source again.
When the time specified for AUTO POWER OFF in the
option menu has elapsed (☞ P. 16) or when 60 minutes
have elapsed without any operation being performed after
stopping USB device or CD playback, the unit will turn the
system off automatically.
Adjust volume with VOLUME, or use the option menu
(☞ P. 16) to adjust the bass range. If an external device is
playing back, lower the volume of the external device.
Restart the system by holding down the
seconds.
Place the unit farther away from the equipment.
clock again (☞ P. 6).
Set the iPod in the iPod dock (☞ P. 3).
In the option menu, set POWER SAVING to NORMAL
(☞ P. 16).
When the time specified for AUTO POWER OFF in the
option menu has elapsed (☞ P. 16) or when 60 minutes
have elapsed without any operation being performed after
stopping USB device or CD playback, the unit will turn the
system off automatically.
Solution
Remove the iPod from the unit, and then set it in the iPod
dock again (☞ P. 3).
Remove the Headphones.
Download the latest iTunes software to update the iPod
software version to the latest.
Remove the iPod from the unit, and then set it in the iPod
dock again (☞ P. 3).
Select something other than USB as the audio source.
for about 10
21
En