Sony KDL-40EX720 / KDL-46EX720 / KDL-55EX720 Service Manual ▷ View online
KDL-40/46/55EX720(K)
81
SEC 4. DIAGRAMS
4-1. BLOCK DIAGRAM
48M
32.76
8K
[PST3629]
GND
Push
P
A
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
Atreyu
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
VideoB_Det
COMP2_LR
VideoA_Det
VIDEO_CV
VIDEO1_LR
VIDEO1_LR
CEC3
DDC4
HPD4
CEC4
DDC_5V_4
TMDS4
CEC2
DDC3
HPD3
DDC_5V_3
TMDS3
CEC1
TMDS2
DDC2
TMDS2
DDC2
HPD2
DDC_5V_2
ARC
TMDS1
DDC1
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
Power_Control
MAIN_PWR
Power_KEY
KEY
Light_Sensor_Det
STBY_LED
POWER_LED
TL-JIG
UARTA(LOG)
Hotel
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
HUB
X’tal
Power
Tuner_LR
Current
Limit
USB3
Wifi
USB4
BD
AC
_M
ON
PFC_MON
POWE
R_
KEY
KEY
POWE
R_
LED
LED
RE
C_
LED
C_
LED
X_
SYSTEM1_R
SYSTEM1_R
S
T
DIMMER
DC_MON
KEY
Light_Sensor_Det
UARTA (LOG)
PFC_PWR
DEB
U
G_LE
D1
Hum
a
n_Sensor_Det
LVDS
PEL3
UARTD
PANEL_
SEL
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_R
PC_H
PC_V
PC_LR
VIDEO1_LR
COMP2_LR
Tuner_LR
VIDEO_CV
COMP_Y
S1.8V
LDO
3.3V
LDO
LDO
DDC
5V
STBY 3.3V
2.5V
LDO
LDO
TCON-ON
SYSTEM2_PWR
DDC
REG_12V
T-CON_VCC
REG12V
AUDIO_12V
REG_12V
BACK
LIGHT_
MON
X_
AUDIO
AUDIO
_
MUTE1
X_
AUDIO
AUDIO
_
MUTE2
PANEL_
PWR_
Det
5V
UARTE
PC
_C
ON_
_C
ON_
D
ET
Crystal
VI
DE
DE
OA
_DET
VI
DE
DE
OB
_DE
T
CR
_D
ET
ET
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)
I2CB (Ext Demod)
LOGO
DMD_RST
X_AUDIO_MON
STBY_LED
TIMER_L
E
D
MA
IN_
P
WR
MA
IN_
SS_
MON
DIMMER_DC
TS2
TS1
LNA
/ECS
Light Sensor
X_
TCON_R
TCON_R
ST
SA
_MODE
_MODE
BI
N
N
T
TC
O
O
N
_RDY
IF1
Main Speaker_Out_LR
S1.2V
LDO
PEM_LOG
I2CA(Hotel_Clock)
DEBUG_LED2
DEBUG_LED3
DMD_CLK_ENABLE1
PANEL_PWR
Atreyu_SPDIF
BACK
LIGHT_
ON
SYSTEM2_
P
W
R
R
SYSTEM1_
P
W
R
R
PIC
_
MUTE
_LE
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_SYS
T
EM1_
RS
T
X
_
SYSTEM1_
RST
Reset
SIRCS
UARTB (RF-Remote)
UARTC (IR Blaster/ECS)
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
LDO
SYSTEM2_PWR
X_
RF_
RF_
RST
NMI
X_
HOTEL_
HOTEL_
P
W
R
_
C
T
RL
DATA
1
HP_DET
X_WIFI_RST
SPDIF_SEL
BACKLIGHT
DIMMER2
LVDS_ODD
LVDS_EVEN
LVDS_EVEN
SA
_MODE/L
U
T
_
SEL0
PE
M
_
WDT/XBUSY/BI
NT
I2C_C
MO
DE_PEM/TCON_RDY
LUT_SEL1/X_TCO
N
_RST/LR_FL
A
G
T_P
A
NE
L_SEL
Digital Audio
UART
REG_12V
KDL-40/46/55EX720(K)
83
DIAGRAMS
4-2-1. KDL-40EX720 (2/2)
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
L
R
T
C
_
S
L
G
5
5
2
L
R
T
C
_
S
L
G
6
6
1
D
N
G
L
I
A
F
_
I
M
E
7
7
2
X
T
_
D
T
R
A
U
V
3
.
3
+
_
Y
B
T
S
0
1
0
1
C
N
8
8
3
X
R
_
D
T
R
A
U
V
5
.
2
1
+
O
I
D
U
A
9
2
1
B
T
-
S
H
G
-
B
8
0
M
S
T
S
J
4
T
E
S
E
R
V
5
.
2
1
+
O
I
D
U
A
8
4
1
11
1-819-468-11
5
V
3
.
3
+
_
Y
B
T
S
D
N
G
_
V
5
.
2
1
+
O
I
D
U
A
7
6
M
V
T
_
E
D
O
M
D
N
G
_
V
5
.
2
1
+
O
I
D
U
A
6
3
1
1
1
VLED_VCC
15
7
X
R
_
A
T
R
A
U
D
N
G
_
V
5
.
2
1
+
G
E
R
5
2
2
VLED_VCC
8
)
2
D
M
(
C
N
D
N
G
_
V
5
.
2
1
+
G
E
R
4
7
1
NC
3
NC
16
9
X
R
_
C
T
R
A
U
V
5
.
2
1
+
G
E
R
3
NC
4
NC
0
1
X
T
_
C
T
R
A
U
V
5
.
2
1
+
G
E
R
2
8
1
7
5
VLED_GND
24
1
1
D
N
G
C
C
V
_
N
O
C
-
T
1
8
6
VLED_GND
2
1
X
T
_
A
T
R
A
U
1
0
0
6
N
C
9
7
VLED_GND
3
1
X
I
R
T
A
M
_
S
C
E
1
1
-
9
6
5
-
2
4
8
-
1
10
8
VLED_GND
HEADER ASSEMBLY FOR PWB 10P
4
1
V
3
.
3
+
_
Y
B
T
S
11
9
LD_ERR
5
1
M
E
P
_
E
D
O
M
NC
10
NC
6
1
X
R
_
G
O
L
_
M
E
P
13
11
GL_CTRL
7
1
X
T
_
G
O
L
_
M
E
P
T
E
D
_
F
F
O
_
C
A
9
7
14
12
LED_ON
1
8
1
D
N
G
N
O
R
E
W
O
P
8
CN1002
4
0
0
9
N
C
R
R
E
_
L
B
7
6
0-844-177-01
NC
6
NC
1-774-667-51
JST
NC
5
NC
TL-EX1 Connector,FFC/FPC 18P
SM12B-PBVSS-TB(LF)(SN)
1
1
V
2
1
NC
4
NC
N
O
_
N
O
C
T
3
8
2
2
V
2
1
r
e
t
t
i
m
E
D
3
3
3
D
N
G
V
-
a
3
3
2
PFC_PWR
Except EX720 Model
GND
4
4
9
1
GND
2
0
0
6
N
C
5
5
L
R
T
C
_
S
L
G
1
1
-
9
5
5
-
2
4
8
-
1
6
6
2
L
R
T
C
_
S
L
G
EMI_FAIL
7
7
8
8
C
N
1-821-135-11
CN6704 (37" G10A)
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
POWER_ON
1
8
VLED_VCC
1
1
VLED_VCC
2
2
VLED_VCC
3
NC
VLED_VCC
4
NC
NC
5
NC
6
NC
VLED_GND
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" G4B)
CN6705 (32" G10A)
1-822-339-11
JST XA 14P
AC_IN
AC-N
1
1
AC-L
2
2
CN6001
SFP79-02WLB JAM
1-822-908-11
CN6151 (40" G4B)
SJM20-28WLB
B board
T- con
Option
BLK board
BAT- V board
T- con Board(PEL3)
HEM2 Board
T- con
B board
TL- EX1JIG board
AC pigtail
BLK Board
BLK Board
BLK board
AC pigtail
[3a-2 37,40 2/2]
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