Sony KD-55X8500A Service Manual page 110

5) 7 times blinking (Temperature Error)
7-time blinking
Setting circumstance
is OK?
Temperature,
Ventilation, etc.
Yes
Change B* Board,
and Aging a few hours
Symptom
improvement
B* Board
KD-55/65 X8500A/ X8504A
NG
Set to another
location, etc. l i
NG
Panel
TROUBLE SHOOTING
110