DOWNLOAD Sony KDL-40NX725 / KDL-46NX725 Service Manual ↓ Size: 7.67 MB | Pages: 66 in PDF or view online for FREE

Model
KDL-40NX725 KDL-46NX725
Pages
66
Size
7.67 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kdl-40nx725-kdl-46nx725.pdf
Date
PREV: Sony KDL-32EX425 / KDL-32EX525 / KDL-40EX525 / KDL-46EX525 (serv.man2) Service Manual

Sony KDL-40NX725 / KDL-46NX725 Service Manual ▷ View online

KDL-40NX725/46NX725
23
SECTION 3 - CHASSIS OVERVIEW
DIAGRAMS
BLOCK DIAGRAM
POWER SUPPLY/
CONVERTER
G5AW (46")
VIDEO 1 CVBS
RF
VIDEO 2 CVBS/COMP
HDMI 1
PC HD15
SWITCH
UNIT
LED
IR RX
LIGHT SENSE
LCD PANEL
HFR
TCON
BATL
HLR
L
R
ANALOG AUDIO 
OUT
OPTICAL 
AUDIO OUT
HDMI 3
IC4601
AMP
IC5500
HDMI 
SWITCH
EQ
TUNER
EITHERNET
USB2.0
HDMI 2
HDMI 4
LVDS
AC IN
G4BW (40")
IR
TRANSMITTER
HEM2
LOGO
LED
WIRELESS 
LAN CARD
IC9000
A/V 
DECODER
VIDEO 
PROCESS
USB2.0
USB HUB
LED DRIVE
LD
USB 
CAMERA
FIGURE 3-3.  OVERALL BLOCK DIAGRAM
KDL-40NX725/46NX725
24
SECTION 3 - CHASSIS OVERVIEW
48M
32.76
8K
[PST3629]
GND
Push
P
A
N
E
L
[LM75B]
DDR3
–1333
2Gb
DDR3
–1333
2Gb
One–
NAND
Muxed
2Gb
[RTL8201E]
[TPS2553DBV]
[GL850G]
12M
[TPS2553DBV]
H/L
[D–510D]
[D–510D]
[NJU72040V]
41M
[LNBH23]
[MIC2005]
[SEKITO2]
[GAIA1a]
41M
[HORUS3]
27M
4M
[ASCOT2Sip]
[Sil9287B]
0
0
XReality
HDMI1
(ARC)
HDMI2
HDMI3
Aerial
Cable
Satellite
PC
PC
COMP
CVBS
SPDIF
Main
SPEAKER
HP/Line
 Out
Assist
SPEAKER
Analog Video
Digital Video/TS/TMDS
 
Analog Audio
Analog Signal
PWM
I2C
SPI
X_SYSTEM1_RST
AUDIO_MON
X_FAULT
Main Speaker_Out_LR
X_SYSTEM1_RST
Assist Speaker_Out
SPDIF
HP/Line Out LR
HP_/ Line Out Det
PC_5V, PC_DDC
PC_LR
PC_R,PC_G,PC_B,PC_H,PC_V
PC_CON_Det
Cr_Det
ASPECT1
COMP_Y, Pb, Pr
VideoB_Det
COMP2_LR
VideoA_Det
VIDEO_CV
VIDEO1_LR
CEC3
DDC4
HPD4
CEC4
DDC_5V_4
TMDS4
CEC2
DDC3
HPD3
DDC_5V_3
TMDS3
CEC1
TMDS2
DDC2
HPD2
DDC_5V_2
ARC
TMDS1
DDC1
HPD1
DDC_5V_1
EQ SW
3.3->1
I2CA
X_SYSTEM1_RST
TCON
Reset
Ether
PHY
X’tal
Temp
Sensor
Audio
Power AMP
HDMI4
Ether
KEY
LED
TMDS
DDC
CEC
Line Out_LR
P
ow
er
_C
on
tro
l
MAIN_PWR
Power_KEY
KEY
Light_Sensor_Det
STBY_LED
POWER_LED
TL-JIG
UARTA(LOG)
Hote
l
UARTC(Hotel/ECS)
BACKLIGHT_ON
DIMMER
BACKLIGHT_MON
SYSTEM2_PWR
Human Sensor
Human_Sensor_Det
X_AUDIO_MUTE1
PFC_PWR
OPAMP
AC_MON
I2CA
X’tal
DIMMER_DC
USB2
Current 
Limit
USB1
USB 
HUB
X’tal
P
ow
er
Tuner_LR
Current 
Limit
USB3
Wifi
USB4
BD
AC
_M
O
N
P
FC
_M
O
N
P
O
W
E
R
_K
E
Y
P
O
W
E
R
_L
ED
R
E
C
_L
ED
X
_S
Y
S
TE
M
1_
R
ST
DIMMER
D
C
_M
O
N
K
E
Y
Light_Sensor_Det
UARTA (LOG)
P
FC
_P
W
R
D
E
B
U
G
_L
E
D
1
H
um
an
_S
en
so
r_
D
et
LVDS
PEL3
UARTD
P
A
N
E
L_
S
EL
5V
Aerial
Ext Demod
X’tal
LNA
Ext Demod
IFAGC
DDC
I2CB
I2CB
Satellite
Silicon 
Tuner
X’tal
Silicon 
Tuner
Zero-IF
IF1
X’tal
DiSEqC_Out
IFAGC
IF2
DiSEqC_In
27MHz
SW
COMP_Y
COMP_Pb
COMP_Pr
PC_G
PC_B
PC_R
PC_H
PC_V
PC_LR
VIDEO1_LR
COMP2_LR
Tuner_LR
VIDEO_CV
COMP_Y
S1.8V
LDO
3.3V
LDO
DDC
5V
STBY 3.3V
2.5V
LDO
TCON-ON
SYSTEM2_PWR
DDC
REG_12V
T-CON_VCC
REG12V
AUDIO_12V
REG_12V
B
A
C
K
LIG
H
T_
M
O
N
X_
AU
D
IO
_M
U
TE
1
X_
AU
D
IO
_M
U
TE
2
PANEL_PWR_Det
5V
UARTE
P
C
_C
O
N
_D
E
T
Crystal
VID
EO
A_
D
E
T
V
ID
E
O
B
_D
E
T
C
R
_D
E
T
TIMER_LED
PIC_MUTE_LED
REC_LED
Temp Sensor
X_Hotel_PWR_CTRL
Current 
Limit
5V
I2CA (EQSW, Temp Sensor, Hotel Clock)
I2CB (Ext Demod)
LOGO
DMD_RST
X_AUDIO_MON
STBY_LE
D
TIM
ER
_L
E
D
M
A
IN
_P
W
R
M
AIN
_S
S_
M
O
N
DIMMER_DC
TS2
TS1
LNA
/E
C
S
Light Sensor
X_
TC
O
N
_R
ST
S
A
_M
O
D
E
B
IN
T
TC
O
N
_R
D
Y
IF1
Main Speaker_Out_LR
S1.2V
LDO
PEM_LOG
I2CA(Hotel_Clock)
DEBUG_LED2
DEBUG_LED3
DMD_CLK_ENABLE1
PANEL_PWR
Atreyu_SPDIF
B
A
C
K
LIG
H
T_
O
N
S
Y
S
TE
M
2_
P
W
R
S
Y
S
TE
M
1_
P
W
R
P
IC
_M
U
TE
_L
E
D
1.5V
3.3V
MODE_PEM
I2CC (Panel, RGB Sensor)
DMD_CLK_ENABLE2
HDMIEQ_INT
DMD_RST
DMD_CLK_ENABLE1
DMD_CLK_ENABLE2
X_
SY
ST
EM
1_
RS
T
X
_SYSTEM1_RS
T
Reset
SIRCS
UARTB (RF-Remote)
UARTC (IR Blaster/ECS)
MS
TS
Panelless
AC_MON
Reset
H Con.
Audio
Power AMP
Assist Speaker_Out_LR
Sircs
SIRCS
AUDIO_12V
REG12V
SYSTEM2_PWR
DDC
1.2V
SYSTEM1_PWR
DDC
REG_12V
3.4V
LDO
SYSTEM2_PWR
X
_R
F_
R
S
T
N
M
I
X_
H
O
TE
L_
PW
R
_C
TR
L
D
A
TA
1
HP_DET
X_WIFI_RST
SPDIF_SEL
BACKLIGHT
DIMMER2
LVDS_ODD
LVDS_EVEN
SA
_M
O
D
E/
LU
T_
SE
L0
P
E
M
_W
D
T/
X
B
U
S
Y
/B
IN
T
I2
C
_C
MODE_PEM/TCON_RDY
LU
T_
S
E
L1
/X
_T
C
O
N
_R
S
T/
LR
_F
LA
G
T_
P
A
N
E
L_
S
E
L
Digital Audio
UART
REG_12V
FIGURE 3-4.  ENGINEERING BLOCK DIAGRAM
KDL-40NX725/46NX725
26
SECTION 3 - CHASSIS OVERVIEW
NC
1
12V
NC
2
12V
NC
3
GND
D
N
G
4
C
N
SM04B-PASS-TBT(LF)(SN)
1
1
-
0
6
4
-
9
1
8
-
1
V
2
1
1
1
V
2
1
2
2
D
N
G
3
3
D
N
G
4
4
1
D
N
G
L
R
T
C
_
S
L
G
5
5
2
X
T
_
D
T
R
A
U
2
L
R
T
C
_
S
L
G
6
6
3
X
R
_
D
T
R
A
U
L
I
A
F
_
I
M
E
7
7
4
T
E
S
E
R
C
N
8
8
5
V
3
.
3
+
_
Y
B
T
S
B
T
-
S
H
G
-
B
8
0
M
S
 
T
S
J
6
M
V
T
_
E
D
O
M
7
X
R
_
A
T
R
A
U
8
)
2
D
M
( 
C
N
1
1
VLED_VCC
9
X
R
_
C
T
R
A
U
2
2
VLED_VCC
0
1
X
T
_
C
T
R
A
U
NC
3
NC
1
1
D
N
G
NC
4
NC
2
1
X
T
_
A
T
R
A
U
7
5
VLED_GND
3
1
X
I
R
T
A
M
_
S
C
E
8
6
VLED_GND
4
1
V
3
.
3
+
_
Y
B
T
S
9
7
VLED_GND
5
1
M
E
P
_
E
D
O
M
10
8
VLED_GND
PEM_LOG_RX
16
11
9
LD_ERR
PEM_LOG_TX
17
NC
10
NC
8
1
D
N
G
13
11
GL_CTRL
4
0
0
9
N
C
V
3
.
3
+
_
Y
B
T
S
0
1
0
1
14
12
LED_ON
12
1
5
-
7
6
6
-
4
7
7
-
1
V
5
.
2
1
+
O
I
D
U
A
9
CN1002
P
8
1
 
C
P
F
/
C
F
F
,r
o
t
c
e
n
n
o
C
  
1
X
E
-
L
T
V
5
.
2
1
+
O
I
D
U
A
8
4
1
0-844-177-01
11
7
AUDIO+12.5V_GND
JST
13
6
AUDIO+12.5V_GND
SM12B-PBVSS-TB(LF)(SN)
15
5
REG+12.5V_GND
17
4
REG+12.5V_GND
16
3
REG+12.5V
18
2
REG+12.5V
24
1
T-CON_VCC
CN6001
1-821-620-11
HEADER ASSEMBLY FOR PWB 10P
7
9
AC_OFF_DET
1
8
POWERON
6
7
BL_ERR
NC
6
NC
NC
5
NC
NC
4
NC
8
3
TCON_ON
1
1
V
2
1
3
2
PFC_PWR
2
2
V
2
1
r
e
tt
i
m
E
 
D
3
9
1
GND
3
3
D
N
G
V
-
a
3
CN6002
4
4
D
N
G
1-842-559-11
GLS_CTRL
5
5
GLS_CTRL2
6
6
EMI_FAIL
7
7
8
8
C
N
1-821-135-11
CN6704 (32" G10AW)
To B board (100106)
T-CON_Vcc12V
28
NC
GND
27
NC
T-CON_VCC12V
26
NC
GND
25
NC
T-CON_VCC_12V To B
24
1
GND
23
NC
BDR_ASU_12V
22
NC
GND
21
NC
BDR_ASU_12V
20
NC
GND
19
NC
REG12V
18
2
GND
17
4
REG12V
16
3
GND
15
5
AU_12V
14
8
AU_GND
13
6
AU_12V
12
9
AU_GND
11
7
STBY3.3V
10
10
GND
9
1
T-CON_ON
8
3
AC_OFF_DET
7
9
BL_ERR
6
7
NC
5
NC
NC
4
NC
PFC_ON
3
2
NC
2
NC
POWERON
1
8
VLED_VCC
1
1
VLED_VCC
2
2
VLED_VCC
3
NC
VLED_VCC
4
NC
NC
5
NC
VLED_GND
6
NC
VLED_GND
7
5
VLED_GND
8
6
VLED_GND
9
7
VLED_GND
10
8
LD_ERR
11
9
NC
12
NC
GL_CTRL
13
11
LED_ON
14
12
CN6801(40" G4BW)
CN6705 (32" G10AW)
JST  XA  14P
1-822-339-11
AC_IN
AC-N
1
1
AC-L
2
2
CN6001
SFP79-02WLB JAM
1-822-908-11
Energy_Saving_SW
AC(N)-IN
1
1
AC(L)-IN
2
2
CN6002(40" G4BW /32" G10AW)
SFP79-02WLB JAM
1-822-908-11
Energy_Saving_SW
AC(L)-OUT
1
1
AC(N)-OUT
2
2
CN6003(40" G4BW /32" G10AW)
SFP79-02WLB JAM
1-822-908-11
CN6151(40" G4BW)       SJM20-28W
ES SW
B board
T-con
Option
BLK board
HEM2
TC-EM  Harness
PEL3-HEM2
T-con
B board
TL-EX1JIG board
AC  pigtail
BAT-L board
(Only  Interface between board and board)
T-con Board (PEL3)
BLK Board
FIGURE 3-6.  KDL-40NX725 CONNECTOR DIAGRAM (2 OF 2)
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