Self-Diagnosis Function - Sony Trinitron KV-XF21M80 Operating Instructions Manual

Self-diagnosis function

1
Check that the u indicator flashes red once or more in intervals of 3
seconds.
2
Count the number of times the u indicator flashes.
3
Press U (main power) to turn off your TV.
4
Inform your nearest Sony service center about the number of times the
u indicator flashes.
Be sure to note the model name and serial number located on the rear of
your TV.
22
Additional Information
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
causes.
Front of TV
ONE-PUSH AUTOMATIC PROGRAMING
u (standby) indicator