Sony KDL-22EX420 Service Manual page 27

Trouble Shooting
3-2-8. 7-times blinking (Temperature Error)
7-times blinking
Setting Circumstance
Is OK? Temperature,
Ventilation, etc.
Yes
Change B* Board,
and Aging a few hours
Symptom
improvement
B* Board
Note: B* Board
Segment Size B* Board Type
P-1 22
P-1 26
P-1 32
P-1 40
P-1 46
No
Set to another
location, etc.
NG
Panel
BAT-S
BAT-S
BAT-V
BAT-V
BAT-V
KDL- 22 EX423, 26 EX423, 32 EX420, 32, 40, 46 EX523
3-2-9. 8-times blinking (Software Error) (Not applicable for this manual)
8-times blinking
If the Symptom
Improved by changing
the WIFI module
Symptom
improvement
WIFI Module
26
KDL- 22, 26 EX420, 32,40,46 EX520
RM-GD020, CD013
NG
B* Board
RM-GD020