Times Blinking (Temperature Error) - Sony XBR-43X830C Service Manual

3-3-9. 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
XBR-43X830C, 49X830C, 835C, 837C
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
102