LG MODEL#RM-26LZ30 PICTURE seems scrambled and vertical lines trough the middle of screen

SOURCE: i have a lg lcd

That is caused by a failure of the t-con board - the board that actually commands the screen, connected to it directly by 2 wide ribbon connectors. You must replace it, a new one will cost you less than $90.

SOURCE: LG 50 PX1D PROBLEM. Screen is snowy, with a kind

This could be internal power supply noise. If you are experienced atTV service you can use a scope and go through all the power supplydistributions to see if any of them are noisy.
Another cause could be a defect somewhere along the digital signalpath. There could be some system clocking errors, or some noise generation taking place.I recommend have it checked by a Service Technician for faulty parts.

SOURCE: I have an LG RM-26LZ30

Hi,

This kind of symptoms indicated of faulty T-con board. This board is responsible for processing the video from the mainboard and will feed to the LCD panel. Replaced this board and it will back to normal operation again.

Hope I helped you.
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