KDL-60W840B, KDL-60W850B, KDL-60W855B, KDL-60W857B, KDL-60W858B, KDL-70W830B, KDL-70W840B, KDL-70W850B, KDL-70W855B, KDL-70W856B, KDL-70W857B - Sony TV Service Manual (repair manual). Page 18

Read Sony KDL-60W840B / KDL-60W850B / KDL-60W855B / KDL-60W857B / KDL-60W858B / KDL-70W830B / KDL-70W840B / KDL-70W850B / KDL-70W855B / KDL-70W856B / KDL-70W857B Service Manual online

RB2G
CHASSIS
W830B/ W840B/ W850B/  W855B
W856B/ W857B
Troubleshooting
3 2 3 LED BLINKING 5x (T Con Error)
3-2-3. LED BLINKING 5x (T-Con Error) 
5-times blinking
BAXL (B-Side)
Check 
PANEL_VCC 12.5V at
CN8001 on
on the B* Board
G* Board
NG
Replace the Harness 
About 12.5V
OK
Symptom 
improvement
Between G* / LD board 
and B* board
Harness
NG
JL9132
Replace
the LVDS Harness
LVDS Harness
Symptom 
improvement
JL9132
(PANEL_VCC)
Change
B* Board
Change 
NG
B  Board
Panel (T-con)
NG
Symptom 
improvement
Confirm Tcon12V.
Size
B* Board
G* Board
18
B* Board
60”
BAXL
G2SB
70”
BAXL
G2SB
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