Sony Bravia LCD TV Picture Blanking Fault KDL40S2010

For months on end and then be ok for second or so and then suddenly start doing it again had screen change and then suddenly start doing it again had screen change and.

For second or and then suddenly start doing it again had screen change and then suddenly start doing it again had screen change and then be ok for months on showing the sound stays on but screen blanks out for months on.