30
ENG
9. simple troubleshooting
If the display breaks down or performance changes dramatically, check the display
in accordance with the following instructions. Remember to check the peripherals to
pinpoint the source of failure.
Symptom
Solution
Power cannot be turned
on. (Power indicator signal
light is off.)
• Check that both ends of power cable are plugged into
the socket appropriately and wall socket is operational
No Input Signal message
appears.
• Check that the signal line is connected properly.
• Check that the power of relevant peripherals is turned on.
• Check that the Input option that has been selected
matches with the input signal.
The remote control does
not function properly.
• Check that the batteries are not drained. (Use new
batteries.)
• Check that the remote control is within operating range.
• Check that the remote control is pointed to the remote
control window on the display.
• Check that there are no obstacles between the remote
control and the remote control window.
Flashing spots or stripes
appear on the screen.
• Check that there are no emissions (car, HV cable or
neon lamp) or other possible interference sources.
Image colour or quality
deteriorates.
• Check that all video settings are adjusted appropriately,
such as brightness, contrast, colour etc.
• For more information about video settings, refer to OSD
Functions in Chapter 2.
Screen position and size
are incorrect.
• Check that the screen position and size is adjusted
appropriately.
Image or colour is
incorrect.
• Check that the signal line is connected properly.
• When connecting to a PC, you can change the
resolution of the PC to acquire correct image.
The discrepancy of PC output signal may affect the
display of image.
Display warning message.
• Check that the input signal line is properly fixed.
• Select the correct input signal.
• For more information, refer to Supported Signal Modes
in Chapter 4.
