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Fault
No sound
Distortion of sound
Karaoke
does not work
MP3 does not play
TROUBLESHOOTING GUIDE
Possible Cause
1. No input sound source.
2. Volume is too low.
1. Volume too high.
2.Speaker may be damaged.
1.Microphone plug is not
fully inserted.
2.Microphone switch is not
on.
3.Microphone volume knob is
too low.
1. The song format in the U disc
is incorrect.
2. Improper operation has caused
a process disorder.
3. U disc/SD card /MMC are
disconnected.
Solution
1. Use a better music signal.
2.Adjust volume.
1. Turn down the volume.
2. If speaker is damaged,repair or
replace it.
1. Plug microphone properly into
the socket.
2. Turn on microphone switch.
3. In crease the microphone volume.
1. Change song format into MP3 format.
2. Reboot the machine.
3. Insert U disc/SD/MMC properly.
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