Troubleshooting - Premier BB-4727USD Manual De Instrucciones

3.OPERATION INSTRUCTION:
(1)Standby:connect well of the Signal wire of input and output port, and then power on the switch
(2)MODE: Press "MODE "on the front panel to select the right model
(3)USB/SD play song: insert the USB/SD/MMC to the speaker,the system will automatic play the songs
in USB/SD/MMC,press the "PLAY/PAUSE"、"PREV"、"NEXT" and so on on the front panel to choose
the songs you like. It can support USB/SD/MMC with
(4)Volume Adjustment:
 Main Volume Adjustment: Volume is controlled by the "VOL+/ VOL-" keys on the front panel.
 CH VOL Adjustment: Press "TREBLE vol-/vol+" /"BASS vol-/vol+"/"ECHO vol-/vol+"key to adjust the
volume of different channels .
 MIC VOL Adjustment Press "MIC VOL-/VOL+" key on the front panel to adjust the volume.

TROUBLESHOOTING

If you experience trouble with this unit , please check the relevant solutions from below table ; If you can
not find the solutions from the table, or the solution below can not solve the problems, please disconnect
the power cord with the unit and contact the nearest authorized service centre .
Problem
No sound
A Side of the
speaker no sound
Hum .....or low-
frequency Noise
Karaoke no sound
P-6
Cause
1,The Power cord might not insert to
the Socket or not insert completely
2,Speaker not connected properly
3,Input /output connections
inappropriate
4,Input model no right
5,Speaker terminals shorted
Two speaker wire no connect well
Input terminal grounding bad or no
connect well
Microphone into the MIC socket is
not fully
Microphone Power off
Mic Volume setting lower level
Memory up to 32GB.
1,To insert the power cord to the
socket firmly
2Check the speaker connection part
3,Keep the input/output line
connected well
4,Choose the right connect model
5,Connect speaker well, Switch on
Check the speaker connect parts
Reconnect, or check the signal cable
Restart plug the Microphone well
Switch on the Microphone
Rotate the MIC knob on the speakers
to the right position
Solution