No Sound In Usb Function - LG MCV1306 Service Manual

7. NO SOUND IN USB FUNCTION

Does the customer select correctly
the USB function he or she wants to listen to?
Is "USB" displayed on VFD?
Does the unit display "SELECTED" on VFD
when a USB is inserted into the USB port?
Does the customer use the supported
mp3 or WMA music files on the disc?
When the unit searches music files in a USB,
are the following messages displayed on VFD?
"SELECTED" "TRACKING #" and "TIME"
After selecting a track number using the SCAN button,
press PLAY button and turn the master volume
clockwise for the volume up.
Are the sound spectrum level
on the left and right side of the front panel
being changed up and down
according to the sound input gain?
Are the speaker cables connected correctly
between the speaker terminals on the unit
and the speakers?
TRAINING MASTER
YES
YES
YES
YES
YES
YES
YES
YES
NO
Make sure to insert a USB on the USB ports
on the bottom of the unit.
NO
Make sure to select the USB function
pressing the CD/USB button.
When "No USB" is displayed,
NO
make sure that the customer uses the recommended
USB which support USB2.0 or USB1.1.
Check if it is the playable disc or not.
NO
Make sure that the file extensions are
Make sure to check the compatible USB device
NO
and the supported MP3/WMA music file requirement.
Refer to the owner's manual.
The volume level LEDs around the master volume
NO
will be turned on more and more
while turning it clockwise for the volume up.
The sound spectrum level will be turned on/off
NO
repeatedly at regular intervals. A speaker cable
might be short-circuited with the chassis ground.
Be careful not to be shorted each other.
NO
Make sure to connect the cables
to each specified connector tightly on the unit.
3-9
".mp3"or ".wma".