Yamaha MCR-140 Owner's Manual page 21

Problem
No sound.
The power of the unit is off.
The iPod software version has not been
updated.
The iPod is in the process of connecting
with the unit.
MCR-140: The battery of the iPod is low.
MCR-140: The iPod is not connected to
the transmitter firmly.
MCR-140: Earphones are connected to
the iPod.
MCR-140: The signal from the
transmitter is blocked by your body or
metallic objects, etc.
MCR-140: There is a device (microwave
oven, wireless LAN, cordless telephone,
etc.) outputting signals in the 2.4 GHz
frequency band nearby.
MCR-140: Distance is too far.
MCR-140: The unit and transmitter are
not connected since they are set to
different groups.
MCR-140: The unit is connected to
another unit.
No sound.
MCR-040: The iPod is set in the iPod
dock improperly.
The iPod sounds, but
MCR-140: The iPod is not connected to
you cannot operate it
the transmitter properly.
with the unit or the
remote control.
Cannot change the The iPod is not supported by this unit.
volume by changing
the volume of the
The iPod is not connected correctly.
iPod.
The iPod software version is out of date.
The iPod display
does not change by
pressing the remote
control volume keys.
The unit cannot be
operated by the
remote control.
You cannot operate
MCR-040: The iPod is set in the iPod
from the iPod. dock improperly.
MCR-140: The iPod is connected to the
transmitter improperly.
The playback The iPod you set is not compatible with
information is not the playback information display.
displayed on the
You are using MCR-140.
front panel display.
The iPod does not MCR-040: The iPod is set in the iPod
charge up.
dock improperly.
MCR-140: The iPod is set in the charging
cradle improperly.
Cause
Connect the power cable correctly.
Download the latest iTunes software to update the
iPod software version to the latest.
Please wait for a while.
Charge the iPod.
Connect the iPod firmly.
Remove the earphones.
Change the way of holding, the orientation, or the
position of the transmitter to avoid your body or
metallic objects blocking the signal.
Place the unit away from these devices, or turn them
off. If the device is IEEE802.11n-compliant, change
the channel setting of the device so as not to affect
the unit.
Move the transmitter closer to the unit. Transmission
range is approximately 10 m. Also, placing the unit
in a lower position makes it easier to receive wireless
signals.
Set both the unit and transmitter to the same group.
Select a different group by changing the group
setting of the unit and transmitter.
Remove the iPod from the unit, then set it in the iPod
dock again.
Remove the iPod from the transmitter, then set it to
the transmitter again.
Only iPod (5th generation), iPod classic, iPod nano,
and iPod touch are supported.
Connect the iPod firmly.
Update the iPod software version to the latest. If the
problem cannot be solved, even with the latest
software, reset the iPod.
Remove the iPod from the unit, then set it in the iPod
dock again.
Remove the iPod from the transmitter, and connect
to the transmitter again, then start playback.
Only iPod (5th generation), iPod classic, iPod nano,
and iPod touch are supported.
Only MCR-040 is available for playback information
display.
Remove the iPod from the unit, then set it in the iPod
dock again.
Remove the iPod from the unit, then set it in the
charging cradle again.
TROUBLESHOOTING
Remedy page
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