why is my magnavox tv have a blue screen there is no sound or picture

[AbbeyDecker]

my tv has no sound and no picture and there is a blue screen i have changed the capacitors in it because there was two bad ones what should i do how do i fix it. It is a magnavox tv model no. 42MF433B/F7

 

[variernimisha]

Discuss the problem with the retailer, they will be able to give you a clear answer.