MODERN ELECTRONICS FACTORY LIMITED 393KN355BT Benutzerhandbuch

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TROUBLESHOOTING GUIDE
 
 
PROBLEM
 
POSSIBLE CAUSE
 
SOLUTION
 
No power when 
plugged in  
AC adapter is not plugged into the 
AC outlet. 
Insert the AC adapter into the AC outlet. 
The AC outlet may not have 
power. 
Check the outlet with a working lamp or other 
electrical appliance. 
No sound 
Master volume control is set to 
minimum. 
Turn up the master volume. 
Volume control on TV set/PA 
system is set to minimum. 
Turn up the volume of the TV/PA system. 
TV set/PA system power is OFF. 
Turn on the power at TV/PA system. 
CD PLAYER does 
not work normally 
or the TFT color 
monitor shows   
“No Disc” 
Disc inserted upside down. 
Insert disc correctly. 
Cable plugged into AUX IN jack. 
Remove AUX IN cable 
Disc is dirty. 
 
Wipe it clean with soft cloth. 
Disc is scratched or warped 
Use a new disc. 
A non-standard disc is inserted. 
Only use discs bearing identification logos.   
Lens is dirty. 
Clean the optical pickup with a CD lens cleaner. 
Moisture has formed inside the 
CD deck. 
Wait about 20 to 30 minutes to let it dry out. 
Karaoke system needs to be 
reset. 
Disconnect the machine from power source for 
about 5 minutes. 
Cannot pair with a 
new Bluetooth 
enabled device 
An active paired Bluetooth device 
is already connected to KN355BT 
system. 
You need to turn off the Bluetooth function of the 
currently connected external Bluetooth device so 
as to release the KN355BT system for a new 
pairing and connection. 
USB port does not 
work normally or 
the TFT color 
monitor shows   
“No USB” 
USB thumb drive is not inserted 
properly. 
Insert the USB thumb drive properly and firmly 
USB thumb drive is not supported 
in this system. 
Try some USB thumb drives which can be 
supported in this system 
No playable file. 
Make sure your USB thumb drive has playable 
files in MP3 or MP3+G format. 
No sound through 
TV home stereo 
Source selection on your TV home 
stereo is not set properly. 
Select AUX IN as the source for your TV home 
stereo. 
Improper connection to stereo 
system or PA. 
Follow directions on ‘Audio Connection’ page for 
connecting to a home stereo system. 
Video cable is not connected 
properly to the TV. 
Connect the video cable to the VIDEO OUT of 
the unit and to the TV VIDEO IN jacks.