LG RU-42PZ61/71 - Manual (Page 47)

Troubleshooting Checklist
Troubleshooting Checklist
No picture &
No sound
Check whether the TV is turned on.
Is the power cord inserted into wall power outlet?
Test the wall power outlet, plug another product’s power cord into the outlet
where the TV’s power cord was plugged in.
Picture OK &
No sound
Press the VOLUME ( g ) button.
Sound muted? Press MUTE button.
The remote control
doesn’t work
Check to see if there is any object between the TV and the remote control
causing obstruction.
Are batteries installed with correct polarity (+ to +. - to -)?
(Refer to p.9)
Correct remote operating mode set: TV, VCR etc.?
Install new batteries. (Refer to p.9)
Picture appears slowly
after switching on
This is normal, the image is muted during the TV startup process. Please
contact your service center, if the picture has not appeared after five minutes.
Select Color in the Picture menu and press the VOLUME ( g ) button.
(Refer to p.21)
Keep a sufficient distance between the TV and the VCR.
Activate any function to restore the brightness of the picture.
(If still picture is on the screen for more than 5 minutes, the screen gets dark.)
No or poor color
or poor picture
Horizontal/vertical bars
or picture shaking
Check for local interference such as an electrical appliance or power tool.
No output from one of
the speakers
Adjust Balance in the Sound menu. (Refer to p.24)
Unusual sound from
inside the TV
A change in ambient humidity or temperature may result in an unusual noise
when the plasma display is turned on or off and does not indicate a fault with
the TV.
Owner’s Manual 47