KDL-40W580B, KDL-40W590B, KDL-40W600B, KDL-40W605B, KDL-40W607B, KDL-40W609B, KDL-48W580B, KDL-48W590B, KDL-48W600B, KDL-48W605B, KDL-48W607B, KDL-48W609B, KDL-60W605B, KDL-60W607B, KDL-60W610B, KDL-60W630B - Sony TV Service Manual (repair manual). Pages 73 - 76

Read Sony KDL-40W580B / KDL-40W590B / KDL-40W600B / KDL-40W605B / KDL-40W607B / KDL-40W609B / KDL-48W580B / KDL-48W590B / KDL-48W600B / KDL-48W605B / KDL-48W607B / KDL-48W609B / KDL-60W605B / KDL-60W607B / KDL-60W610B / KDL-60W630B Service Manual online

Chassis: RB2G, HM
Chassis: RB2G, HM 
73
2-4 NO PICTURE
2-4-15. NO PICTURE: 
LD
Models only
N Pi t
2-4. NO PICTURE
No Picture
All blue picture is on?
(Factory SW is booted.)
No
Replace
the B-Tcon, 
Tcon-LD*
FFC
NG
Check the G*-
LD*
Harness
Change B* Board
OK
NG
B* Board
Yes
B-Tcon, 
Tcon-LD*
FFC
B* Board
Harness
NG
Symptom 
improvement
Symptom 
improvement
Tuner
No Picture
LCD Panel
(T-con, 
LD*
)
Change G* Board
NG
Tuner
No Picture
HDMI
No Picture
G* Board
Symptom 
improvement
EXT. Video Input
No Picture
G  Board
 
2.4-8 - No Picture: LD Models Only
Chassis: RB2G, HM
Chassis: RB2G, HM 
74
2-4 NO PICTURE
No Picture
PANEL_VCC = +12V
HS,HT(BAX):
JL9137
HE,HM (BAX-L):
JL9132
2-4-16. NO PICTURE: (All Model)
BL ON (L or H):
JL9105
2 4. NO PICTURE
Is blue picture
on display?
(F
t
SW
No
Replace
the LVDS FFC
LCD Panel
(T CON)
NG
Check
BL ON at
JIG LAND
BL_ON:H
Check
PANEL_VCC
at
JIG LAND
Yes
,
(
)
BL_ON (L or H):
JL9105
(Factory SW
is booted)
Yes
the LVDS FFC
Harness
(T-CON)
BL_ON at 
JIG LAND
on the B* Board
BL_ON:L
at 
JIG LAND
on the B* Board
No
Symptom 
improvement
LVDS FFC
Harness
Replace Harness
bet een G Board/LD Board
Replace G-Board/LD-Board to
G-Board or
Adaptor NG
Symptom 
improvement
B-Board is OK.
Check:
between G-Board/LD-Board
to B-Board
p
B-Board Harness
NG
Tuner - No Picture
Change B-Board
Change G-Board
/ LD board
NG
HDMI - No Picture
Ext. Video Input -
Symptom 
improvement
p
No Picture
B-Board NG
 
2.4-9 - No Picture: All Models
Chassis: RB2G, HM
Chassis: RB2G, HM 
75
BAXL Probing Points
BAXL (B-Side)
JL9132
JL9132
(PANEL_VCC)
 
BAX-L BOARD (Side B)
  BAX-L PROBING POINTS
Chassis: RB2G, HM
Chassis: RB2G, HM 
76
BAXL Probing Points
BAXL (B-Side)
JL9105
(BL_ON)
 
BAX-L BOARD (Side B)
  BAX-L PROBING POINTS
Page of 118
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