Check that the u indicator flashes red once or more in intervals of 3
Count the number of times the u indicator flashes.
Press U (main power) to turn off your TV.
Inform your nearest Sony service center about the number of times the
u indicator flashed.
Be sure to note the model name and serial number located on the rear of
Your TV is equipped with a self-diagnosis function. If there is a
problem with your TV, the u (standby) indicator flashes red. The
number of times the u indicator flashes indicates the possible
Front of TV
u (standby) indicator