Sony KD-43X8301C Service Manual page 103

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
KD-43/49X8301C (FW-43/49X8370C), 8305C, 8307C, 8308C, 8309C
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
103