toshiba lcd 263030db no picture but has sound

[homerclone]

Hi
Toshiba 26c3030db when turned on the tv has sound but no picture. when it warms up picture is displayed. before tv warms up it displays vertical redish vertical bars across the whole screen then picture returns fine. I have replaced the power board but problem remains.
any help please?

[selldoor]

Re: toshiba lcd 263030db no picture but has sound

Check that you have replaced the cable to the panel correctly. Try removing, cleaning if it is a flat ribbon and replacing.

[homerclone]

Re: toshiba lcd 263030db no picture but has sound

I have just tried that but still no luck :-(

[homerclone]

Re: toshiba lcd 263030db no picture but has sound

Any more ideas