No display
1.
Power plug is not
probably plugged in
2.
Power socket is
broken
1.
Reinsert
power plug
2.Change the power
socket
No sound
1.
Incorrect speaker
connection
2.
Wrong input mode
3.
Volume at lowest
level
1.
Check speaker
connection
2.
Choose
the
right input mode
3.
Turn
the
master volume key
Sound
distortion
1.
Master volume too
loud
2.
The
speaker
is
broken
1.
Turn
down
master volume
2.
Check whether
the
speaker
is
broken or not
，
if
broken
，
then repair
it.
No
radio
signal
1.
Not choose the
radio channel
2.
Receiving position
is not good
1.
Choose
the
radio channel
2.
Turn
the
antenna to the right
direction or move
the
speaker
to
proper position
Specification
：
Output power
（
4
Ω
1KHz
，
1%THD
）
………………………………………………
40W
Power supply
……………………………………………………
.......AC110V-240V/50Hz
(1)
§
15.19 Labelling requirements.
This device complies with part 15 of the FCC Rules. Operation is subject to
the
following two conditions: (1) This device may not cause harmful interference,
and (2) this device must accept any interference received, including
interference that may cause undesired operation.
