Samsung HL-P6163W 61" TV "red line accross" Questions

...red line accross the middle of the screen TV was working fine. Tried to turn it one one morning and it has a thin straight red line across center of screen. TV is a Hitachi Ultravision 40" try to ...

...red discolour mark at the bottom left hand corner,i was then told this is degaussing?now the tv switches on, you can hear sound but the screen is blue with lines going accross, andthen after a couple ...

...red power indicater bulb flashes for about 5 to 7 secs like always but right about the time the screen usually kicks on it turns itself off...or the screen doesn't turn on im not sure which. Please ...