• Service Manuals |
  • Sony |
  • TV |
  • KDL-40NX720, KDL-40NX723, KDL-46NX720, KDL-46NX723, KDL-55NX720, KDL-55NX723, KDL-60NX720, KDL-60NX723

DOWNLOAD Sony KDL-40NX720 / KDL-40NX723 / KDL-46NX720 / KDL-46NX723 / KDL-55NX720 / KDL-55NX723 / KDL-60NX720 / KDL-60NX723 Service Manual ↓ Size: 5.85 MB | Pages: 74 in PDF or view online for FREE

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

3-2-2.  3-times blinking( DC Alert & Audio Error)
KDL- 40, 46, 55, 60 NX720
RM-GD019
KDL- 40, 46, 55, 60 NX723
RM-GD019
Troubleshooting
3-times blinking
Check D+1 2V at
Check AUDIO+12.5V
at pin 8/9 of
CN6001 on
the B* Board
G* Board
DC_ALERT
AUDIO
NG
Check D+1.2V at
JL6007
on the B* Board
F6001,IC6005,etc
(B* Board)
Check +12.5V
at F4601 on
F4601,IC4601,etc
(B* Board)
NG
OK
OK
NG
Check +3.3V_MAIN
at JL9111 on
the B* Board
F6003,IC6003,etc
(B* Board)
the B* Board
(B  Board)
IC4601,etc
(B* Board)
NG
OK
OK
Speaker
Check
Speaker Impedance
at SP Connector
(B  Board)
OK
AUDIO
NG
at SP Connector
OK
Segment
Size
B*
Board 
Type
G*
Board 
Type
3a-1
40
BAT-L
G4BW
3a-1
46
BAT-L
G5AW
-12-
3a-1
55
BAT-L
G6AW
3a-1
60
BAT-L
G6AW
3-2-3. 4-times blinking (Balancer Error) 
3-2-4. 4-times blinking (Including SPI Error)
F
(2b 1)
KDL- 40, 46, 55, 60 NX720
RM-GD019
KDL- 40, 46, 55, 60 NX723
RM-GD019
Troubleshooting
4-times blinking
Check
4-times blinking
Symptom 
improvement
Change 
For  (3a-1,3a-2,2b-2, 2b-3)
For  (2b-1)
* Not applicable for these model
PANEL_FAIL at
JL6017
on the B* Board
B* Board
Below 0.84V
Check
PANEL_FAIL at
JL6017
on the B* Board
B* Board
Between
Below 
0.84V
T-CON Board
T-con 
Board
NG
Between 0.84V
Change G*
/and/or 
G** Board
G*/and/or 
G** Board
Symptom 
improvement
Between
0.84V to 
2.65V
Symptom 
improvement
Change 
LED Driver 
Board
LED Driver
Between 0.84V
to 2.65V
NG
Change 
LED Driver Board
(LD)
LED Driver Board
(LD)
Symptom 
improvement
Change G* Board
G* Board
NG
Board
Ch k th h
Panel
(LD)
(LD)
Panel
Check the harness 
between the T-con board and 
the LED driver board,
between the G board and 
the LED driver board
Harness
NG
the LED driver board.
Segment
Size
B*
Board 
Type
G*
Board 
Type
G**
Board 
Type
3a-1
40
BAT-L
G4BW
3a-1
46
BAT-L
G5AW
-13 -
3a 1
46
BAT L
G5AW
3a-1
55
BAT-L
G6AW
G7A
3a-1
60
BAT-L
G6AW
G7A
3-2-5. 5-times blinking (T-con Error)
F
(3 1 3 2 2b 1 2b 2)
KDL- 40, 46, 55, 60 NX720
RM-GD019
KDL- 40, 46, 55, 60 NX723
RM-GD019
Troubleshooting
Symptom 
For  (3a-1, 3a-2, 2b-1, 2b-2)
5-time blinking
Check 
PANEL_VCC at pin 1
G* B
d
NG
RGB sensor Change
RGB Sensor
（ｂ）
Only for (2b-1, 2b-2)
improvement
_
p
of CN6001 on
on the B* Board
G* Board
Replace the
Panel (T-con)
change
B* Board
OK
NG
Symptom
Replace the 
Harness  Between
G*/G** and Panel
(a)
Harness
Panel (T-con)
(a) exclude 60Hz Panel Model
Symptom 
improvement
Symptom 
improvement
NG
Replace
the LVDS Harness
LVDS Harness
Panel (T con)
Symptom 
improvement
NG
S
t
Si
B*
G*
G* B
d
NG
Segment
Size
B*
Board 
Type
G*
Board 
Type
G* Board 
Type
3a-1
40
BAT-L
G4BW
3a-1
46
BAT-L
G5AW
-14 -
3a-1
55
BAT-L
G6AW
G7A
3a-1
60
BAT-L
G6AW
G7A
3-2-6. 6-times blinking (Backlight Error)
3-2-7. 6-times blinking (Backlight Error)
F
(P 1 P 2)
KDL- 40, 46, 55, 60 NX720
RM-GD019
KDL- 40, 46, 55, 60 NX723
RM-GD019
Troubleshooting
6-time blinking
6-time blinking
Ch k
Symptom 
improvement
For  (P-1, P-2)
For  (3a-1, 3a-2, 2b-1, 2b-2)
* Not applicable for these model
Check
BL_ERR at
pin 7 of CN6002
B* Board
under 2.65V
Check
the harness between
the T‐con board and the
LED  driver board (LD)
.
Harness
NG
Change 
LED driver
Board (LD)
LED 
Driver 
Board
(LD)
NG
Symptom 
pin 7 of CN6002
on the B* Board
Over 2.65V
Symptom 
G*/and/or 
G** Board
G*/
G** Board
NG
OK
Symptom 
improvement
Change B*
board
B* 
Board
improvement
G* board
NG
improvement
Change G* Board
Light Source
(Inside Panel Module)
NG
Check FFC connection
between the LED driver board (LD)
And the light source 
FFC 
Connection
NG
Panel 
(inside the panel module) 
Connection
OK
S
t
Si
B*
G*
G**
Segment
Size
B*
Board 
Type
G*
Board 
Type
G**
Board 
Type
3a-1
40
BAT-L
G4BW
3a-1
46
BAT-L
G5AW
-15 -
3a-1
55
BAT-L
G6AW
G7A
3a-1
60
BAT-L
G6AW
G7A
Page of 74
Display

Click on the first or last page to see other KDL-40NX720 / KDL-40NX723 / KDL-46NX720 / KDL-46NX723 / KDL-55NX720 / KDL-55NX723 / KDL-60NX720 / KDL-60NX723 service manuals if exist.

RANDOM: