Read Sony KDL-55W950B / KDL-55W955B / KDL-55W957B / KDL-65W950B / KDL-65W955B Service Manual online
RB2G
CHASSIS
W950B/ W955B/ W957B/ M25B
21
Troubleshooting
3-4.. NO PICTURE
No Picture
All blue picture is on?
(Factory SW is booted.)
B* Board
No
Yes
Replace
the B-Tcon, Tcon-LD*
FFC
B-Tcon, Tcon-LD*
FFC
NG
B* Board
Check the G*- LD*
Harness
Harness
NG
Change B* Board
OK
NG
G* Board
LCD Panel
(T-con, LD*)
Change G* Board
NG
Symptom
improvement
Symptom
improvement
Symptom
improvement
Tuner
No Picture
HDMI
No Picture
EXT. Video Input
No Picture
・
3-4-1. NO PICTURE: LD Models only
Size B* Board G* Board
55”
BAX
G1A
65”
BAX
G2A
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