21
Troubleshooting
TROUBLESHOOTING
1. NO ECHO FROM THE CENTER SPEAKER
CAUSE:
CENTER ECHO is turned off.
REMEDY:
Turn on CENTER ECHO.
We design this system in such a way that the echo from the
main speakers is independent with that of the center monitor
speaker (which helps the singer monitor his/her own singing).
There is a switch in the rear panel to turn on/off the echo for
the center speaker only. It would not affect the echo function
of the main speakers. Therefore, if you do not hear any echo
from the center speaker, it doesn’t mean that the system is
defective. If you need the echo from the center speaker, you
just turn on the switch in the rear panel.
2. NO VOCAL FROM THE CENTER SPEAKER
3. MIC MASTER VOL & MUSIC VOL MALFUNCTION
SYMPTOM:
No change in sound output when adjusting the
MIC MASTER VOLUME and MUSIC VOLUME potentiometers.
CAUSE:
Only main speakers are connected.
REMEDY:
Connect an external amplifier to Center Monitor
signal out in the rear panel and hook up speakers to the
external amplifier.
The two potentiometers only affect the Center Monitor
signal out, and they have no effect on the main speakers
output.
4. MUSIC VOLUME IS TOO LOW
CAUSE:
The music volume limiter is set too low.
REMEDY:
Adjust to a higher “Max Music Volume.”
5. MICROPHONE VOLUME IS TOO LOW
CAUSE:
The mic master volume limiter is set too low.
REMEDY:
Adjust to a higher “Max Mic Master Volume.”
6. NO SOUND FROM SUBWOOFER
CAUSE:
SUB is turned off.
REMEDY:
y
Turn on the SUB: press SUB button two times.
y
Be sure to adjust the SUB volume to a high enough value.
y
Check to make sure subwoofer is turned on.
y
Select SUB for all inputs: press SUB button three times.
7. NO SOUND FROM MICROPHONE
REMEDY:
y
Be sure mic is turned on
y
Mic cable is connected properly
y
Check the mic volume
8. MACHINE HAS NO POWER
REMEDY:
Check to see if the power cable is well connected
and that the power switch on the front panel is turned on.
9. BASS ON VOCAL SOUND IS NOT CLEAR
When you sing or make an announcement with the
microphone, there is too much bass. You may be connecting
to the subwoofer improperly. It is because the SUB OUT of this
unit has two different functions: Bass is only for music and not
for vocal.
10. BAD AUDIO OR MICROPHONE SOUNDS
REMEDY:
y
Check the source of your audio (CD, DVD) to see if it’s scratched.
y
Check your audio cables or microphone cables.
y
Use a better audio cable or 3pin XLR mic cable.
11. THERE IS NO PICTURE
REMEDY:
y
Check to see if your video sources are selected accordingly.
y
Check to see if you plugged in the video cables.
y
Check your TV or display monitor.
12. VIDEO IS FLICKERING
REMEDY:
y
Check to see if the AV cable is damaged.
y
Use a better AV cable.
y
We recommend you to connect videos to the TV or monitor
directly for best results.
VOCAL VOLUME
from CENTER POWER MONITOR
0 10 20 30 40 50 60 70 80 90 99dB
%
Center Monitor Volume 90%
VOCAL EFFECT: REVERB/ECHO
from CENTER POWER MONITOR
0 10 20 30 40 50 60 70 80 90 99dB
%
Center Monitor Effect 50%
GROUP-A
RIGHT
CENTER
VOCAL
GROUP-B
RIGHT
SUBWOOFER
VOCAL
MONITOR
CENTER
LINE OUT
200W
350W
POWERED SUB
CENTER POWER
OUTPUT SELECTOR
CENTER
SUBWOOFER
NOTE
CENTER
SUBWOOFER
CENTER POWER
OUTPUT SELECTOR
CAUSE:
CENTER/SUBWOOFER
switch is incorrectly selected.
REMEDY:
Slide the switch to
CENTER position.
