introduction
Thank you for purchasing our products. Before operating this machine, please read this instruction
manual thoroughly so that you can understand how to use this equipment correctly. After you have
read this manual, please keep it in a safe place for future reference.
During thunderstorms or if you do not plan to use the device for a long time, unplug the device
from the power source to prevent any damage. Do not place the device where it is vulnerable to
dripping or spraying. For example, do not place containers containing liquids on the device to prevent
the device from getting wet or getting water. If the equipment experiences water infiltration,
disconnect the power immediately and take the equipment to the dealer or the manufacturer for
maintenance. In order to ensure the normal operation of the equipment, do not block the heat
dissipation holes and fan holes of the machine. Do not install the device near heat sources such
as radiators, electric heaters, stoves or other devices (including amplifiers) that generate heat.
If the device fails, contact your dealer or manufacturer.
Simple Fault and Overhaul
Note : In order to avoid unnecessary losses to you during transportation, when the machine fails,
it is not necessarily a problem with the machine. Therefore, please check the following methods
before you submit for repair. After the fault is determined, you can package the machine and
return it to our company. We will provide you with enthusiastic repair services.
Solution
Check the power supply system
Please connect the power socket well and
maintain good contact.
Unplug the power socket and exchange with
the fuse of the same specification.
Reconnect and maintain good contact
Reset as the setting means in the Instruction Manual
Cancel mute
Check the signal source
Reconnect and ensure good contact
Reconnect and ensure good contact
Replace and reconnect, ensure good contact
Phenomenon
No sound output
and the display is off
No sound output but
the display is on
Have only one channel
for sound output
Cause
The power socket has no power supply
The socket is not well plugged
The AC voltage fuse is burnt.
The output acoustics has no good signal
connection
The main sound is set to the minimum
The machine is set as mute.
The signal source has no signal output
The speaker output signal line on one side
is not well connected
One input signal is wrongly connected or
not connected
Damaged signal line
Important Safety Instruction
1
