Wanted LG 37LH5000-ZB boards

[netdent]

Long shot anyone have salvaged boards for the above? suspect main or t con fault

from switch on black screen with some twitchy lines at very top

after a few mins some white showing in patches with vertical lines

then 5 to 10 mins later white screen with lines, top centimetre of screen showing image

Almost hour later full image that freezes followed later by nice minty picture!!

advice help welcome

thanks Ronnie