LG PA77U Owners Manual - Page 119
Before Reporting a Problem, Check the Following:, General, Picture
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INFORMATION 119 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 Cannot view certain programs. There is a delay after the projector is switched on before the image is fully visible. Solution yyAdjust the location or orientation of the antenna. yySave the programmes you wish to view later using Auto Tuning or Channel Edit. yyThis is not a problem. Image noise that may occur when the projector is first switched on is being cleaned up. Picture yySMART → Settings → SUPPORT → Picture Test ⱞⳮ HOME 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 ⰶᲳ ㄮᗺ linger or the screen displays annoying lines. yyAdjust the orientation of the antenna to the TV transmitter, or refer to the manual for instructions on connecting the antenna. Vibr? ating horizontal/vertical lines an/Ẳხd㢢ⱞ☎f⩛i⳿shnet patterns appear momentarily. yySuch 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. yyThis may occur in case of a weak signal or unstable reception. Adjust the antenna orientation and cable connections. yyIf the signal strength or quality is low on Manual Tuning, check with the TV station or administration office.