Television and Home Theater

Need urgent help as was planning a Super Bowl party and my TV went dead.

I accidentally hit the power button on/off very quickly. Screen went dead and red light on lower left blinks 10 tims w/3 second pause. This happened a week ago and apparently corrected itself, as this must be some safety device for the TV. This happened again last night and nothing I do gets the TV back on. I have unplugged power, waited, etc.

The picture on my Hitachi 31SX21B will sometimes shrink to a 2 inch horizontal line with a clear picture. So far it has always came back to normal.But ther is no pattern for its return. Is this something that I can fix myself?

Gardibble

help
I have a six year old tv 61 inch and its acting
weird.When you turn it on it shrinks to middle
of screen and flashes bright black .white then
jumps goes in and out the picture size then after
10minutes it goes back to large picture normal
is this the tube going bad or what...I do not
know anything about tvs and my husbands disabled
any help would be great .........we bought it
for $2000.six years ago ....is it worth getting
fixed and for that matter how much are we talking
thank you for any help Donna