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DOWNLOAD Sony KDL-40NX710 / KDL-40NX713 / KDL-40NX715 / KDL-46NX710 / KDL-46NX713 / KDL-46NX715 Service Manual ↓ Size: 3.3 MB | Pages: 78 in PDF or view online for FREE

Model
KDL-40NX710 KDL-40NX713 KDL-40NX715 KDL-46NX710 KDL-46NX713 KDL-46NX715
Pages
78
Size
3.3 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kdl-40nx710-kdl-40nx713-kdl-40nx715-kdl-46nx710-kd.pdf
Date
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Sony KDL-40NX710 / KDL-40NX713 / KDL-40NX715 / KDL-46NX710 / KDL-46NX713 / KDL-46NX715 Service Manual ▷ View online

KDL-40/46NX710,713,715(AEP/UK/RUSS)
57
TROUBLE SHOOTING
2) 3 times flashing LED  (DC Alert, Audio Error and Communication Error)
3 times Flashing
Check D+3.3V at
JL3715 or JL3716 
(Q3703 pin 5&6)
on the BEHT Board
IC4200,etc
(BEHT Board)
F3700,IC3700,etc
(BEHT Board)
Speaker
Check +5V_MAIN
at JL3731 or JL3732
(Pin 1 of IC3701) 
on the BEHT Board
Check
Speaker Impedance
at SP Connector
F3701,IC3701,etc
(BEHT Board)
Check
X_ASW_PROTECT
at pin 29 of IC5000
on the BEHT Board
Check +12.5V
at pin 2 of
CN3800 on
the BEHT Board
G* Board
Check +12.5V_AU1
at F4200 on
the BEHT Board
F4200,IC4200,etc
(BEHT Board)
IC9000,etc
(BEHT Board)
DC_ALERT
NG
OK
AUDIO
AUDIO
FE/BE Communication
NG
OK
NG
OK
NG
OK
NG
OK
Pin: Low
Pin: High
KDL-40/46NX710,713,715(AEP/UK/RUSS)
58
TROUBLE SHOOTING
3) 4 times Flashing LED (Backlight Driver Communication Error)
4 times Flashing
Check the harness between the 
T-con board and the LED driver board,
between the G board and the
LED driver board.
LED Driver Board
(Panel)
Change the LED driver
board (Panel).
T-con Board
(Panel)
Harness
NG
OK
NG
OK
KDL-40/46NX710,713,715(AEP/UK/RUSS)
59
TROUBLE SHOOTING
4) 5 times Flashing LED (T-con Error)
5 times Flashing
Check PANEL_VCC
at JL3806
(Pin 1 of CN3800)
on the BEHT Board
G* Board
Between G* to Panel
harness check
(a)
LVDS Harness
check
Panel (T-con)
change
BEHT Board
Harness
LVDS Harness
Panel (T-con)
about 5V ： 22” Model
about 12V : ex. 22” Model
(a) exclude 60Hz Panel Model
NG
OK
NG
OK
NG
OK
NG
OK
KDL-40/46NX710,713,715(AEP/UK/RUSS)
60
TROUBLE SHOOTING
5) 6 times Flashing LED (Backlight Error)
6 times Flashing
Check the harness
between the T-con board
and the LED driver board
Harness
Change G* board
Check FFC connection
between the LED driver
Board and the light source
(inside the panel module)
Change the LED
driver board (Panel)
LED Driver Board
(panel)
G* Board
FFC Connection
Light Source
(inside Panel Module)
NG
OK
OK
NG
NG
OK
OK
NG
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