Sony KLV-22EX300 Service Manual page 6

2-6. Triage Chart
Reference
2Blinks 3Blinks
BAA board
HLR board
GD1 (22")
G1LS (26")
G2LE (32")
G2HE (40")
GD2 (46")
T-con board
Speaker unit
RF module
Panel module
FFC cable
Joint connector
Problem No Power BAA board
Doubtful part
few possibility
Symptom (dead set)
4Blinks 5Blinks 6Blinks 7Blinks
Balancer TCON, Panel ID Inverter Temperature No Power BAA board BAA board BAA board BAA board BAA board BAA board BAA board
No Video No Video No Video
No Power
BL OK No BL BL OK
OSD OK No OSD
Video distored or missing
No Tuner Tuner OK No HDMI No Audio
Video OK Video 1-3
Bad