Troubleshooting - JVC LT-50FA110 Operating Instructions Manual

TROUBLESHOOTING

Problem
No power
Signal not received properly
No picture
Video appears with no audio
Audio is present, but video does
not appear or is discoloured.
Static noise affects video and
audio quality.
Broken lines on screen
The remote control does not
work.
What to do if the picture/image
quality is poor when inputting DVI
signal?
104
Possible Solution
• Check that the power plug is securely into the mains socket.
• Check the power is on.
• Double or phantom images may appear on your TV if there are high buildings or
mountains close to where you are. You can adjust the image through manual opera-
tion or adjust the direction of external antenna.
• If you use an indoor antenna, signal reception may be more difficult under certain
circumstances. Adjust the direction of the antenna for optimum reception. If this does
not improve reception, you may have to switch to an external antenna.
• Check if the antenna is properly connected to your TV.
• View other channels to see if the problem still occurs.
• Try increasing the volume.
• Check if the TV sound is muted.
Try adjusting the contrast and brightness.
Check if the antenna is properly connected to the TV.
Electrical appliances such as hair dryers or vacuums, etc. may be interfere with the TV.
Switch off these appliances.
• Check if the TV is not switched on.
• Check that the batteries of the remote control are inserted properly.
• Check for any obstacles between the TV remote sensor and the remote control.
Remove them if necessary.
• If the batteries have no power, replace them with two new batteries off the same type.
When you use your TV as a monitor, you may use the following conversion cable (not
supplied) to connect the legacy PC with DVI or VGA output. In this case, DVI signal is
inputted to your TV.
e.g. DVI to HDMI conversion cable, VGA to HDMI conversion cable
If the picture/image quality is poor as below for example, please try the following steps.
1. Keep the selected input and disconnect the cable so that no signal is displayed on
the TV screen.
2. Enter the Settings menu and select items Device Preferences -> Picture -> Advanced
Video -> HDMI RGB Range.
3. Change the HDMI RGB Range setting from Auto (Default) to Full.
4. Connect the cable to the legacy PC again and check the picture/image quality.
The gradation of the
clouds in the highlight part
disappears, and the shape
cannot be distinguished.
Good Poor
The gradation of the grass
shade in the lowlight part
disappears and it becomes
black.