Sony KV-XA21M80 - Manual (Page 23)

Additional Information 23
Self-diagnosis function
Your TV is equipped with a self-diagnosis function. If there is a
problem with your TV, the 1 indicator flashes red. The number of
times the 1 indicator flashes indicates the possible causes.
1
Check that the 1 indicator flashes red a number of times between 3-second
intervals.
2
Count the number of times the 1 indicator flashes.
3
Press ! (main power) to turn off your TV.
4
Inform your nearest Sony service center about the number of times the 1
indicator flashes.
Be sure to note the model name and serial number located on the rear of
your TV.
Front of TV
1 indicator
2 L(MONO) R PROGR SELECT AUTO PROGR
!
Additional Information
Additional Information