Error on start up

SOURCE: LG LCD TV 32LC4R BLACK SCREEN

same here How do you change the Power regulator?

SOURCE: No Sound, No Picture on LG 42LC7D

I do not have a solution but I have the same situation with my tv

SOURCE: I have the exact same issue as the unsolved

The power on problem is a cap in the power on circuit. The loss of signal for an areal is delayed. Nothing you can for DIY.It needs repair shop visit.

SOURCE: LG 42LC7D.......Have sound but no

It sounds like you have a logic board problem. It is easy to fix open up your tv on the back and the logic board should be covered with a small metal plate unscrew the it, it uses small screws get the number of that board an order it through guytvparts.com is the cheapest

SOURCE: Hard time turning on tv. I turn it on, green light flashes a few times then becomes solid green. No picture or sound. I turn it off and light becomes red. I do this at least 5 times before tv will

There are some capacitors on the main boardthat are low quality. You can buy a capacitor repair kit on Ebay that contains a set of capacitors to replace the offending ones - about 15-16 bucks. I soldered in the new capacitors and the TV has worked perfectly since.