toshiba 42wp48e(panel42v5)

[WILLYAM1]

HIto all.
problem is 2 black vertical lines one is dteady and one come and go.
i solder all 7 film with 4 smd resistoor and it cure the problem but in the place that was a steady black line now it apear a white-grey line and it could seen  wene the pic is bright.
can a service mode cure it?.
which item in sevice mode can clear or reset this line it seemslike a burn screen.
willyam1