17
18
FAULT GUIDANCE
PRECAUTIONS
Please unplug the power cord from
the socket when you are not using
the machine for a long time.
Do not disassemble the casing and
try to get the internal components,
otherwise there will be a risk of
electric shock.
When cleaning the cabinet, do not
use strong volatile organic solvents
(
such as gasoline,benzene,etc.
)
to
clean the cabinet on the surface of
the machine.Use a soft,clean cloth
to wipe gently.
Please place the machine in a
well-ventilated and dry place for
work.Do not place it in direct sun-
light or close to a heat source;and
pay attention to a certain space
around the counter supporting the
machine,without any obstacles
within 10cm;to allow the machine
to ventilate and dissipate heat.
Do not place containers with liquids
(
such as vases,water cups, oil bot-
tles,etc.
)
on the machine, and do
not spill any type of liquid into the
machine,which may cause short
circuits or electric leakage acci-
dents.
When using the power supply, insert
or unplug the power socket by
holding the insulated part of the
plug,and do not pull the power cord
directly.
3
.
The preamplifier volume knob is in the minimum position
4
.
The input signal line is not connected properly
5
.
The sound source is not working or the sound source is bad
6
.
Speaker connection is not connected
7
.
The machine is overloaded
8
.
Internal DC fuse breaker
9
.
Improper position of the power amplifier input mode switch
7
.
Replace speakers with 4-8Ω impedance
8
.
Ask qualified maintenance personnel to replace the fuse
9
.
Set the corresponding working mode (RCA or XLR)
3
.
Adjust the volume to the appropriate position
4
.
Connect the input signal line
5
.
Turn on the audio source or change to another audio source
6
.
Connect the speaker cable
1
.
Connect the power cord
2
.
Ask qualified maintenance personnel to replace the fuse
1
.
The power cord is not connected properly
2
.
AC fuse blown
1
.
One side of the signal line is not connected
2
.
One speaker cable is not connected properly
1
.
Connect the signal line
2
.
Connect the speaker cable
1
.
The signal line is in poor contact or not inserted deep enough
2
.
Bad signal line
1
.
Tighten the signal cable or force the plug into
2
.
Replace the signal line
ABNORMAL
REASON
SOLUTION
Mute
One side channel
is voiceless
The sound is
accompanied by a
loud humming