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Model
KDL-32EX720 KDL-32EX723 KDL-40EX720 KDL-40EX723 KDL-46EX720 KDL-46EX723 KDL-55EX720 KDL-55EX723 KDL-60EX720
Pages
127
Size
11.94 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kdl-32ex720-kdl-32ex723-kdl-40ex720-kdl-40ex723-kd.pdf
Date
PREV: Sony KDL-22CX520 / KDL-32CX520 / KDL-32CX523 / KDL-40CX520 / KDL-40CX523 / KDL-46CX520 Service Manual

Sony KDL-32EX720 / KDL-32EX723 / KDL-40EX720 / KDL-40EX723 / KDL-46EX720 / KDL-46EX723 / KDL-55EX720 / KDL-55EX723 / KDL-60EX720 Service Manual ▷ View online

Trouble Shooting
KDL- 32, 40, 46, 55, 60 EX720, 32, 40, 46, 55 EX723
RM-GD019
3-2-3.    4-times blinking (LED Error)
4-times blinking
Check
PANEL_FAIL at
JL6017
on the B* Board
B* Board
Below 0.84V
Between 0.84V to 2.65V
Change G* Board
G* Board
Symptom 
improvement
Change G  Board
G* Board
NG
Change LED 
Driver Board
LED Driver Board
Symptom 
improvement
Size
B* Board 
Type
G* Board 
Type
Note: B* and G* Board
Panel
32
BAT-V G10A
40
BAT-V
G4B
46
BAT-V
G5D
55
BAT-V
G6A/G8A
2
4
55
BAT V
G6A/G8A
60
BAT-V
G6A/G8A
Trouble Shooting
KDL- 32, 40, 46, 55, 60 EX720, 32, 40, 46, 55 EX723
RM-GD019
3-2-4.    4-times blinking (Including SPI Error) (Not Applicable for this model) 
4-times blinking
4 times blinking
Check
PANEL FAIL at
Below 0.84V
Symptom 
improvement
PANEL_FAIL at
JL6017
on the B* Board
B* Board
Between 0.84V to 2.65V
S
t
Change T-CON Board
T-con Board
Change G* Board
G* Board
Symptom 
improvement
Change 
LED Driver Board
LED Driver Board
Symptom 
improvement
NG
Panel
NG
LED Driver Board
Check the harness between
the T-con board and
NG
Panel
the T con board and 
the LED driver board,
between the G board and 
the LED driver board.
Harness
2
5
Trouble Shooting
KDL- 32, 40, 46, 55, 60 EX720, 32, 40, 46, 55 EX723
RM-GD019
3-2-5.   5-times blinking (T-con Error)
5-times blinking
RGB sensor change
RGB sensor
System 
Improvement
Check PANEL_VCC
at pin 1 of
CN6001 on
on the B* Board
G* Board
NG
(b) Only for Y* models
Replace the Harness 
Between G* and Panel (a)
Harness
OK
Symptom 
improvement
Panel
(T-con)
change
B* Board
NG
Between G  and Panel (a)
NG
Symptom
Panel
(T-con)
Symptom 
improvement
Replace
the LVDS Harness
LVDS Harness
NG
Symptom 
improvement
Size
B* Board 
Type
G* Board 
Type
Note: B* and G* Board
(a) exclude 60Hz Panel Model
NG
32
BAT-V G10A
40
BAT-V
G4B
46
BAT-V
G5D
55
BAT-V
G6A/G8A
2
6
55
BAT V
G6A/G8A
60
BAT-V
G6A/G8A
Trouble Shooting
KDL- 32, 40, 46, 55, 60 EX720, 32, 40, 46, 55 EX723
RM-GD019
3-2-6.    6-times blinking (Backlight Error)
6-times blinking
Check
BL_ERR at
pin 7 of CN6002
B* Board
under 
2.65V
p
on the B* Board
Over 2.65V
Symptom
G* board
NG
Change G* Board
Symptom 
improvement
NG
Panel 
Note: B* and G* Board
Size
B* Board 
Type
G* Board 
Type
32
BAT-V G10A
40
BAT-V
G4B
46
BAT-V
G5D
55
BAT-V
G6A/G8A
2
7
55
BAT V
G6A/G8A
60
BAT-V
G6A/G8A
Page of 127
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