Input HDTV signal to AV/S, and check if it is normal. 3.3 VGA connector Insert VGA signal connector, input 640 x 480@60 Hz VGA format signal, and check if display is normal. If there is interfere on the picture, push the auto-adjust key on the remote control set once more, check if the display is normal.
Trouble shooting
Before servicing please check to find the possible causes of the troubles according to the table below.
1.Antenna:
Picture is out of focus or jumping Bad status in signal receiving Maybe broadcast signal itself is not good Check if the outdoor antenna is disconnected. Check if the antenna is correctly oriented. Check if the antenna is correctly oriented. Maybe there is electric wave reflected from hilltop or building. by stripe Possibly due to interference from automobile, train, high voltage transmission line, neon lamp etc. Maybe there is interference between antenna and power supply line. Please try to separate them in a longer distance. Check if interfered by other equipment and if interfered possibly by the equipment like transmitting antenna, non professional radio station and cellular phone.
Fringe in picture Picture is interfered shaped bright spots
