09
Troubleshooting
Please follow the instructions in this manual to keep the amplifier working in a reliable and safe manner.
If problems arise or you think there is a problem , please first check the tips given below to checkfor the excact reason.
Sometimes problems could be caused by other related equipment , please check the connections . After doing so and
the problem still exists , please contact our factory or your local dealer.
Problem
Cause
Remedy
NO OUTPUT
Power LED is ON.
Power LED is OFF.
Power cord is not well-connected
Main fuse is out.
Troubles of inner parts
or components
Please check the power cable connection or
power outlet connection
Replace with the same type and value fuse
Please contact your local agents
or our factory
NO signal input
Volume is at ZERO
Turn up the Volume
⒈
Check the operation state of the Source to
see whether it is in good operation or not;
⒉
Check the contact of the Signal Input
Terminal or whether it is Mute;
⒊
Check the operation state of the Amplifier
to see whether it is in good operation or not.
NO reaction to the remote
Stereo image
is not so good
Noise output
Sound Distortion
High input signal level
Ground of input signal cable is
open or bad contact of the input
signal cable
Components or circuits are
in trouble
Signal input cables or speaker
cables are wrongly connected
Disturbed by external instruments
Battery is low
Obstacle is located between the
remote and the amplifier
Turn down the volume to suitable position
Replace the input signal cable with a
new one
Please contact with local dealer or
our factory
Reconnect it as suggested in the manual
Keep away from the disturbance and
restart the amplifier.
Please replace the bateries
Remove the obstacle
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Содержание LM-512CA
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