What does the tube look like
What's The Problem With Toshiba TV?
The problem is with TV and its picture tube. It is possible that its picture tube has got some jerk and due to that jerk you are unable to see the picture but you can hear the sound. I'm providing you a link from where you can solve your problem by searching it in your TV category. Find it in the TV and Video faults what your problem is. Click here to check.
You got the answer but if still you need anymore try to concern the dealer.