Power (Green) Led Blinking - Sony KDL-22EX420 Service Manual

Trouble Shooting
3-2-10. 10-times blinking (Emitter error) (Not applicable for this manual)
10-times blinking
Check
the harness between
the T-con board and
the HEM2 board
OK
Change HEM2 Board
Symptom
improvement
HEM2 Board
NG
harness
NG
T-CON board
KDL- 22 EX423, 26 EX423, 32 EX420, 32, 40, 46 EX523

3-3. Power (Green) LED Blinking

3-3-1. Non-Stop blinking (Power (Green) LED)
POWER (Green) blinking
Check
the harness between
the G* board and
Panel
OK
Check Panel
OK
Check G* board
OK
B* Board
Note: B* and G* Board
Segment
P-1
P-1
P-1
P-1
P-1
27
KDL- 22, 26 EX420, 32,40,46 EX520
RM-GD020, CD013
NG
harness
NG
Panel
NG
G* Board
Size B* Board Type G* Board Type
22 BAT-S
26 BAT-S
32 BAT-V GE2A
40 BAT-V GE3A
46 BAT-V GE3A
RM-GD020
G1A
G1B