Troubleshooting - LG 42PQ20 Series Owner's Manual

APPENDIX

TROUBLESHOOTING

T T h h e e T T V V d d o o e e s s n n o o t t o o p p e e r r a a t t e e p p r r o o p p e e r r l l y y . .
The remote control
does not work
Power is suddenly
turned off
T T h h e e v v i i d d e e o o f f u u n n c c t t i i o o n n d d o o e e s s n n o o t t w w o o r r k k . .
No picture & No sound
Picture appears slowly
after switching on
No or poor colour
or poor picture
Horizontal/vertical bars
or picture shaking
Poor reception on
some channels
Lines or streaks
in pictures
No picture
when connecting HDMI
108
Check to see if there is any object between the TV and the remote control causing
A
an obstruction. Ensure you are pointing the remote control directly at the TV.
Ensure that the batteries are installed with correct polarity (+ to +, - to -).
A
Install new batteries.
A
Is the sleep timer set?
A
Check the power control settings. Has the Power supply been interrupted.
A
The TV goes into Standby mode automatically if no signal is received and no oper-
A
ation is performed for 15 minutes.
Check whether the TV is switched on.
A
Try another channel. The problem may be with the broadcast.
A
Is the power cord inserted correctly into the mains?
A
Check your antenna direction and/or location.
A
Test the mains outlet by plugging another TV into the same outlet.
A
This is normal, the image is muted during the TV startup process. Please contact
A
your service centre, if the picture has not appeared after five minutes.
Adjust Colour in menu option.
A
Allow a sufficient distance between the TV and the VCR.
A
Try another channel. The problem may be with the broadcast.
A
Are the video cables installed properly?
A
Activate any function to restore the brightness of the picture.
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Check for local interference such as an electrical appliance or power tool.
A
Station or cable channel experiencing problems, tune to another station.
A
Station signal is weak, reposition the antenna to receive weaker stations.
A
Check for sources of possible interference.
A
Check antenna (Change the position of the antenna).
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Check HDMI cable over version 1.3.
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If the HDMI cables don't support HDMI version 1.3, it can cause flickers or no
screen display. In this case use the latest cables that support HDMI version 1.3.