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Model
KDL-40NX720 KDL-40NX723 KDL-46NX720 KDL-46NX723 KDL-55NX720 KDL-55NX723 KDL-60NX720 KDL-60NX723
Pages
74
Size
5.85 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kdl-40nx720-kdl-40nx723-kdl-46nx720-kdl-46nx723-kd.pdf
Date
PREV: Sony KDL-32EX720 / KDL-32EX723 / KDL-40EX720 / KDL-40EX723 / KDL-46EX720 / KDL-46EX723 / KDL-55EX720 / KDL-55EX723 / KDL-60EX720 Service Manual

Sony KDL-40NX720 / KDL-40NX723 / KDL-46NX720 / KDL-46NX723 / KDL-55NX720 / KDL-55NX723 / KDL-60NX720 / KDL-60NX723 Service Manual ▷ View online

3-2-8. 7-times blinking (Temperature Error)
3-2-9. 8-times blinking (Software  Error)
KDL- 40, 46, 55, 60 NX720
RM-GD019
KDL- 40, 46, 55, 60 NX723
RM-GD019
Troubleshooting
7-times blinking
Setting Circumstance 
Set to another
No
8-times blinking
Yes
g
Is OK?
Temperature, 
Ventilation, etc.
Set to another
location, etc.
No
If the Symptom 
Improved by changing 
the WIFI module
B* Board
NG
Panel
NG
Change B* Board,
and Aging a few hours
Symptom 
WIFI Module
Symptom 
improvement
B* Board
y p
improvement
Segment
Size
B* Board Type
3a-1
40
BAT-L
3a-1
46
BAT-L
-16 -
3a-1
55
BAT-L
3a-1
60
BAT-L
3-2-10. 10-times blinking (Emitter error) (3D) Models only
3-3. POWER（Green) LED BLINKING 
3-3-1. Non-Stop blinking
KDL- 40, 46, 55, 60 NX720
RM-GD019
KDL- 40, 46, 55, 60 NX723
RM-GD019
Troubleshooting
POWER (Green) blinking
For  (P-1, P-2)
For  (3a-1, 3a-2, 2b-1, 2b-2)
* Not applicable for these model
10-time blinking
Check
the harness between
NG
Check
the harness between
the G* board and
harness
NG
OK
the harness between
the T-con board and
the HEM2 board
harness
NG
OK
Panel
NG
Check Panel
Panel
T-CON board
NG
Change HEM2 Board
Symptom 
improvement
OK
Check G* board
G* Board
NG
HEM2  Board
improvement
B* Board
OK
-17-
3-4. NO PICTURE
3-4-1. (Except HFR Model)
KDL- 40, 46, 55, 60 NX720
RM-GD019
KDL- 40, 46, 55, 60 NX723
RM-GD019
Troubleshooting
No Picture
Press HOME Key.
N
R l
LCD Panel
NG
Check
BL_ON：H
Check
PANEL VCC
Y
about 5V ： 22”(WXGA))Model,
about 12V : except  22” ”(WXGA)) Model
* Not applicable for these model
XMB（Menu）
displayed?
No
Yes
Replace
the LVDS Harness
LCD Panel
(T-con)
NG
BL_ON at JL6018
on the B* Board
BL_ON：L
PANEL_VCC
at JL6004
on the B* Board
No
Yes
Symptom 
improvement
B* Board
Harness
(LVDS)
Replace Harness
(Between G* Board
Harness
（
G* to B*)
G* Board
improvement
Symptom 
improvement
to B* Board)
)
NG
Ch
B* B
d)
G* B
d
NG
Change B* Board)
G* Board
Symptom 
improvement
B* Board
p
-18-
3-4. NO PICTURE
3-4-2. (HFR Model Only)
KDL- 40, 46, 55, 60 NX720
RM-GD019
KDL- 40, 46, 55, 60 NX723
RM-GD019
Troubleshooting
No Picture
Press HOME Key.
OSD displayed?
No
Replace
the B--T con/
T con--LD  
NG
Check the 
G* or G** Board/
LD Board
Change B* Board
OK
NG
B* Board
Yes
FFC
B‐‐Tcon,  Tcon‐LD
FFC
B* Board
Harness
Harness
NG
Symptom 
improvement
Symptom 
improvement
LCD Panel
(T‐con, LD)
Change G* and/or
G** Board
NG
Symptom 
S
t
Si
B*
G*
G* B
d
G*/ G** Board
improvement
Segment
Size
B*
Board 
Type
G*
Board 
Type
G* Board 
Type
3a-1
40
BAT-L
G4BW
3a-1
46
BAT-L
G5AW
-19-
3a-1
55
BAT-L
G6AW
G7A
3a-1
60
BAT-L
G6AW
G7A
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