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Troubleshooting
If you experience problems with this receiver or its installation, in the first instance
please read carefully the relevant sections of this User Manual and this
Troubleshooting section.
Warning: If this doesn’t work, contact a qualified repair technician, never
attempt to repair the receiver yourself.
Problem
Possible Cause
What To Do
The display on the front panel
does not light up.
Power cord is not connected.
Check that the power cord is
plugged into power socket.
No sound and no picture
The receiver is under stand by
mode.
Press Stand by key to switch
to operation mode
The signal cable is disconnected
Connect the signal cable
securely
No signal when selecting
channels
Program parameters are set
incorrectly
Set correct parameters
Audio cable is not connected
securely
Connect it securely
System is in MUTE mode
Press MUTE key on the RCU
to restore volume
Volume is set to minimum
Increase the volume to
suitable level
Picture only but no sound
Audio setting parameter is wrong
Please go to Audio Setting
menu, select proper audio
mode and language
Sound only but no picture
Video cable is not connected
securely
Connect the video cable
securely
Video and audio mismatch or
abnormal sound
Audio channel is not set correctly
Select proper Audio channel
Picture is still or mosaic
phenomenon
Signal is too weak
Check to make sure that the
signal cord has been
connected tightly
Remote control not work
RCU not aimed at the sensor on
the front panel
Aim at the sensor on the front
panel
Remote control not work
No enough power in the battery of
the remote control
Change battery
