Sony KD-49X7 D Series Service Manual page 73

LED BLINKING: 7x (Temperature Error)
circumstance is OK?
Temperature,
Ventilation, etc.
Change B* Board,
and Aging a few
TV Business Division
7-time blinking
Setting
No
Yes
NG
hours
Symptom
improvement
Check I2C_C bus
communication OK?
B* Board NG
(check the next
I2C_C bus dumping or
Set to another
location, etc.
Panel
Yes
Temp sensor
page)
No
Muffin check
73
73