hi i have a lg26lc46 lcd tv which has developed a fault, when powered on with no input connected, i.e aerial, i get a grey screen with backlight on [see pic 1], once i connect the aerial i get vertical multi coloured lines all over the screen[see pic 2], with screen glowing [the glow moving from left, right, centre]
i have checked the tcon board fuse and 12v b+ supply, which i found to be there, i have replaced the board twice, and still no joy, i am wandering could it be from the main board
i have also checked the main board voltages, all seem ok except a 3.4 on which is slight low at 2.4v
any suggestion would be welcome the main board is EAX35231404, the emi filters were tdk, i have downloaded the factory manual ceratech filter solution, and from the information provided, i have discovered that the emi filters and resistors mentioned in the manual have already been deleted and shorted as advised
any suggestions would be welcome
thanx
Topic: LG 26LC46 multi coloured vertical lines (Read 7590 times)