Maintenance - LG 52LG70ED Owner's Manual

T T h h e e a a u u d d i i 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 . .
Picture OK & No sound
No output from one
of the speakers
Unusual sound from
inside the TV
T T h h e e r r e e i i s s a a p p r r o o b b l l e e m m i i n n P P C C m m o o d d e e . . ( ( O O n n l l y y P P C C m m o o d d e e a a p p p p l l i i e e d d ) )
The signal is out of range
(Invalid format)
Vertical bar or stripe on
background &
Horizontal Noise &
Incorrect position
Screen colour is unstable
or single colour
Press the VOLUME button.
A
Sound muted? Press MUTE button.
A
Try another channel. The problem may be with the broadcast.
A
Are the audio cables installed properly?
A
Adjust Balance in menu option.
A
A change in ambient humidity or temperature may result in an unusual noise
A
when the TV is switched on or off and does not indicate a fault with the TV.
Adjust resolution, horizontal frequency, or vertical frequency.
A
Check the input source.
A
Adjust size, phase, or H/V position. (Option)
A
Check the signal cable.
A
Reinstall the PC video card.
A
99