Sony kdf e50 a60 when TV is turned on picture goes off almost immedately and red light starts blinking in stand by mode.

Red light blinking is an indication of lamp problem. Check and secure tightly the following:

1. Outside lamp cover
2. Lamp door
3. Lamp

1. Remove the outside lamp cover.
2. Remove the lamp door.
   
3. Pullout the lamp
4. Hook a finger through the loop of the lamp handle and pull the handle upwards. Then pull the lamp straight out.
5. Mount the new lamp securely.
6. Reattach the lamp door. Turn the knob back to "CLOSE" and secure the cover.
7. Put the outside lamp cover back in its place.