SYMPTOMS AND SOLUTION
No power
No sound
One channel not working
Jarring sound coming
at high volume
Main speaker
is not working
USB/SD/MMC
not working
Check if the mains power cord is properly connected.
Check ON/OFF switch. Turn the power.
Check the input & output cable. lt must be connected properly.
Check the audio input cable, source audio output.
Reduce the volume
Check the audio input cable
Check the mode of USB/SD, Re-plug the USB/SD/MMC device.
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