Check and replace its main power regulator as card basis. It comes at the center top part of the panel, looking from backside. You must ahve enough knowledge in electronics to do this work. There is no repair to this board, as the components used in the circuit will be very difficult to get from open electronic spare part market. Check this site. You'll get an idea about its working and other details. Visit the site named '
Electro-help' for more
details. Click this
link. View it in
"
Timeslide" or
"Flipcard" option, which can be selected
from the drop down box menu by the [
Sidebar] tag, at the top left corner
of the display window. You can also
click the [
Home] tab to the latest updates. It will make search easy.
There are more than 1300 posts to different brand TVs now. Pull up older posts
there.