LG PA77U - Manual (Page 119)

119 INFORMATION
Before Reporting a Problem, Check the
Following:
If the following symptoms occur, please carry out the checks and adjustments
described below. There may be no malfunction.
General
Problem Solution
Cannot view certain
programs.
y Adjust the location or orientation of the antenna.
y Save the programmes you wish to view later using
Auto Tuning or Channel Edit.
There is a delay after the
projector is switched on
before the image is fully
visible.
y This is not a problem. Image noise that may occur
when the projector is first switched on is being
cleaned up.
Picture
y SMART
HOME
ⰶᲳ ㄮᗺ
ⱞⳮ
Ẳⱞ⩛
/ ხ㢢☎⳿
?
→ Settings → SUPPORT → Picture Test
First run a Picture Test to verify that the image signal output is normal.
If there is no problem with the test image, check external device connections and
broadcast signals.
Problem Solution
Images from previous
program or other programs
linger or the screen
displays annoying lines.
y Adjust the orientation of the antenna to the TV
transmitter, or refer to the manual for instructions
on connecting the antenna.
Vibrating horizontal/vertical
lines and fishnet patterns
appear momentarily.
y Such a problem may happen when there is strong
electronic interference. Turn off other electronic
devices such as mobile phones, power tools, and
other small electrical appliances.
The screen display freezes
or does not work properly
during a digital broadcast.
y This may occur in case of a weak signal or
unstable reception. Adjust the antenna orientation
and cable connections.
y If the signal strength or quality is low on Manual
Tuning, check with the TV station or administration
office.