Sony KD-49X8005C Service Manual page 127

3-3-8. 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 NG
KD-49/55X8005C,XBR-55/65X800C,805C,807C,809C,810C
No Set to another
location, etc.
NG
Panel
Check I2C_C bus
communication OK?
(check the next page)
No
I2C_C bus dumping or
Muffin check
Yes
Temp sensor
IC1400
TROUBLE SHOOTING
127