Yamaha MCR-B142 Mode D'emploi page 24

TROUBLESHOOTING
CD playback
Problem
Disc cannot be inserted.
Some button operations do not
work.
Playback does not start
immediately after pressing
(stops immediately).
The front panel display indicates
"no operation", and a disc cannot
be inserted or unloaded.
When you insert a disc, the front
panel display indicates "CD No
Disc" or "CD Unknown."
USB device playback
Problem
MP3/WMA file in the USB device
does not play.
When you connect a USB device,
the front panel display indicates
"USB OverCurrent," and then
the front panel display goes
blank.
22
En
Cause
Another disc is already inserted.
You are attempting to insert a disc that cannot be
used by this unit.
The disc loaded into the unit may not be
compatible.
The disc may be dirty.
The disc loaded into the unit may not be
compatible.
If the unit was moved from a cold to warm place,
condensation may have formed on the disc
reading lens.
The option menu is displayed. Alternatively, the
alarm is playing.
The disc loaded into the unit may not be
compatible.
The disc may be dirty, or a foreign object may
have adhered to it.
The disc does not contain playable files.
The disc was inserted upside down.
Cause
The USB device is not recognized.
The USB device does not contain playable files.
An incompatible USB device was connected to
the unit. Alternatively, the USB device is not
connect firmly to the unit.
Solution
Unload the disc with .
Use a disc supported by the unit (☞ P. 24).
Use a disc supported by the unit (☞ P. 24).
Wipe the disc clean (☞ P. 24).
Use a disc supported by the unit (☞ P. 24).
Wait for an hour or two until the unit adjusts to the room
temperature, and try again.
Press OPTION to exit the option menu. Alternatively,
press ALARM to stop the alarm.
Use a disc supported by the unit (☞ P. 24).
Wipe the disc clean. Alternatively, remove any foreign
object that has adhered to the disc (☞ P. 24).
Use a disc contains playable files (☞ P. 24).
Insert the disc with the label facing upward.
Solution
Turn the system off and reconnect the USB device to the
unit.
If the solutions above do not resolve the problem, the USB
device is not playable on the unit (☞ P. 24).
Use a USB device contains playable files (☞ P. 24).
Turn the system off and reconnect the USB device to the
unit.
If it does not resolve the problem, the USB device is not
playable on the unit (☞ P. 24).