21
Troubleshooting
Phenomenon sometimes considered to be the fault is arising from minor operation or
wiring errors. Please check as per the following table before requesting repair.
1
．
Power failure
Cause: The fuse has blown
Solution: Confirm whether the wire short circuited; replace the fuse with the same
rating.
2
．
Unable to operate after pressing the button
Cause: Failure of microprocessor chips within the device
Solution: Press the reset button on the device
3
．
No TV / video image display
Cause: The device is not connected with the parking brake detection switch; the
parking brake is not properly stopped
Solution: Connect according to connection diagram. For safety reasons, no TV /
video images will be displayed during driving. The image will appear after the
proper braking.
4
．
Dark screen
Cause: Machine is located at a place with lower temperature
Solution: When you power on for the first time, the screen will be dark if the
temperature of the display drop due to the characteristics of the LCD screen. After
power on for a moment, the brightness will be normal after the temperature rise.
5
．
Poor AM / FM radio reception or with noise
Cause: TV antenna and the car radio antenna is too close
Solution: The two antennas shall be placed as far as possible
6
．
No sound or with little voice
Cause: Loudness switch is not turned on or the mute is not turned off /music
balance is set to one side
Input / output wires or wiring harness are connected incorrectly
Solution: Turn on the loudness switch or turn off mute / adjust the balance.
Refer to the connection diagram as well as the detailed connection diagram of
wire harness for correct connection
7
．
Poor tune quality
Cause: Speaker wires is being pressed by the screws located at both sides of the
