Sony KDL-22CX520 Service Manual page 16

Self Diagnostic Function
3-2-8. 7-times blinking (Temperature Error)
7-times blinking
Setting Circumstance g
Is OK?
Temperature,
Ventilation, etc.
Yes
Change B* Board,
and Aging a few hours
Symptom y p
improvement
B* Board
No No
Set to another Set to another
location, etc.
NG
Panel
Segment Size
P-2 22
P 2 P-2 32 32
P-2 40
P-2 46
3-2-9. 8-times blinking (Software Error)
8-times blinking
If the Symptom
Improved by changing
the WIFI module
WIFI Module
B* Board Type G* Board Type
BAT-S GD1
BAT-V BAT V G2A G2A
BAT-V G2B
BAT-V G3
-15 -
KDL- 22, 32, 40, 46 CX520
KDL-32, 40, 46 CX523
NG
B* Board
Symptom
improvement
RM-GD020, RM-CD013
RM-GD020