Lasonic MSU-2020, Руководство пользователя

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TROUBLE SHOOTING Q&A
Before requesting service for this unit, please check below table for a possible cause of the problem.
You can simple check or adjust on your part. It may eliminate the problem and restore proper
operation.
Trouble Possible Reason Solution
20
Power cord is not properly
hooked up.
Check the power cord connection.
No audio
Click the “ POWER ” button to turn on
the machine
The unit is not powered on.
Radio noise Please check the connection of the
antenna.
Antenna is not hooked up.
Please use the antenna in the product
package or adjust direction of
antenna.
Wrong Antenna is used.
No Radio
channels
Signal quality level is low in the
area.
To receive the signal in other area.
Disc sound have
Disc is dirty. Cleaning disc.
distortion
Data format is not MP3
Please check the file format.
USB device or
SD/MMC card
doesn’t work
Please insert the USB device or
SD/MMC card again.
Card contact badly.
Remote control
doesn’t work
Check the battery of the remote
controller.
No power.