LG15 display of a problem. Like high-pressure board

Who is engaged in the maintenance of the LCD.I have a display of the older generation would like to ask the door.

Small problem, I suspect that the card is.But said that bad.

Make sure you /

with the replacement of law.to find a normal monitor to see whether the normal display.judge or graphics display is accurate, if it is determined Display, according to the following methods to resolve.

If you do not show.Look at the screen power indicator light, green state.But do not see the image.Outdoor light at the side can look at any picture, if faint to see Image, and that is not a backlight …

backlight is not bright.Check to be high-voltage power supply, or carefully listening to any high-frequency step-up transformer call.(Using wooden conduction law), if Yes, look at the backlight control is not aging (black at both ends).Backlight lamp replacement.Fault if the high-pressure article.Patches are open-insurance.Can be replaced.0.5 General insurance can also be used to replace pipes.