Sony KDL-40HX720 / KDL-40HX723 / KDL-40HX725 / KDL-46HX720 / KDL-46HX723 / KDL-46HX725 Service Manual ▷ View online
KDL-40/46HX720,723,725(AEP/UK)
65
SEC 4. DIAGRAMS
4-1. BLOCK DIAGRAM
Cable
Satellite
Terrestrial
HDMI1
(ARC)
HDMI2
HDMI3
HDMI4
COMP
SCART
PC
HP/Line
Out
SPDIF
Main
SPEAKER
Assist
SPEAKER
Analog Video
Digital Video/TS/TMDS
Analog Audio
UART
Digital Audio
Analog Signal
PWM
I2C
SPI
X_AUDIO_MUTE1
X_AUDIO_MUTE2
X_FAULT
X_SYSTEM1_RST
AUDIO_MON
ASURA
B
T
V
_
FID
Main Speaker_Out_LR
Assist Speaker_Out
X_SYSTEM1_RST
OPAMP
Audio
Power AMP
Audio
Power AMP
OPAMP
[NJU72040V]
SPDIF
HP/Line Out LR
HP_/ Line Out Det
PC_R,PC_G,PC_B,PC_H,PC_V
PC_LR
PC_5V, PC_DDC
PC_CON_Det
COMP_LR
VideoB_Det
TV_Out
Scart_CV,R,G,B,FB
Scart_LR
TV_Out_LR
ASPECT1
CEC3
DDC4
HPD4
CEC4
DDC_5V_4
TMDS4
CEC2
DDC3
HPD3
DDC_5V_3
TMDS3
TMDS2
DDC2
DDC2
HPD2
DDC_5V_2
TMDS1
DDC1
DDC1
HPD1
CEC1
DDC_5V_1
ARC
X_SYSTEM1_RST
Silicon
Tuner
X’tal
LNA
SW
X’tal
LNA
Silicon
Tuner
Zero-IF
27MHz
Ext Demod
IFAGC
IF1
IF2
Ext Demod
IFAGC
X’tal
TS1
I2CB
TS2
DiSEqC_Out
DiSEqC_In
DiSEqC_In
DDC
I2CB
DMD_RST
DMD_CLK_ENABLE1
DMD_CLK_ENABLE2
CI/CI+
5V
Current
Limit
MS
Power
_
K
EY
KEY
BD
_DI
S
C
1
,2
BD_EJECT
UAR
T
E
USB3
Wifi
USB4
BD
H Con.
USB2
USB1
Current
Limit
5V
5V
X_SYS
T
EM1_
RS
T
Current
Limit
USB
HUB
Crystal
Ether
X
_
SYSTEM1_
RST
Ether
PHY
LVDS_ODD
LVDS_EVEN
TCON
PEH2
T-CON_VCC (12V)
I2C_
C
DL_
CS
DL_CLK
DL_
DO
PEM_LOG_TX
UARTD_
RX/FE
_
R
X
_
P
E
M
_
T
X
UA
RTD_TX/F
E
_
TX_PEM_RX
PE
M_LOG_RX
SA_MODE/L
U
T
_
SEL0
PE
M
_
WDT/XBUSY/BI
NT
X
_
PE
M
_
RST/LUT_SEL2/X_FRC_RS
T
MO
DE_PEM/TCON_RDY
1.5V
SYSTEM2_PWR
DDC
REG_12V
1.2V
SYSTEM1_PWR
DDC
T-CON_VCC
REG12V
REG12V
Power
STBY 3.3V
AUDIO_12V
AUDIO_12V
SYSTEM2_PWR
DDC
SYSTEM2_PWR
3.3V
5V
REG_12V
REG_12V
DDC
S1.8V
LDO
S1.2V
LDO
SYSTEM2_PWR
3.3V
LDO
LDO
3.4V
LDO
LDO
2.5V
LDO
LDO
Power_Control
BACKLIGHT_ON
DIMMER
DIMMER_DC
TCON-ON
MAIN_PWR
BACKLIGHT_MON
PFC_PWR
AC_MON
UARTA(LOG)
PEM_LOG
DIMMER2
UARTD
MODE_PEM
Reset
UARTC(Hotel/ECS)
I2CA(Hotel_Clock)
SIRCS
TL-JIG
Hotel /ECS
X_Hotel_PWR_CTRL
I2CA (EQSW, Temp Sensor, Hotel Clock)
I2CB (Ext Demod)
I2CC (Panel, RGB Sensor)
UARTA (LOG)
UARTD (PEM)
UARTB (RF-Remote)
UARTC (IR Blaster/ECS)
AC_MON
Reset
Reset
X’tal
X’tal
I2CA
Temp
Sensor
Temp Sensor
RF Remote
KEY
Sircs
UARTB
X_RF_RST
SIRCS
Power_KEY
KEY
UARTE
DIMMER
LOGO
DIMMER_DC
DMD_CLK_ENABLE2
DEBUG_LED2
DMD_RST
DEBUG_LED3
DMD_CLK_ENABLE1
PANEL_PWR
HP_DET
X_WIFI_RST
X_AUDIO_MON
HDMIEQ_INT
SPDIF_SEL
LED
Human Sensor
Light Sensor
RGB Sensor
Light_Sensor_Det
Human_Sensor_Det
I2CC
STBY_LED
POWER_LED
TIMER_LED
PIC_MUTE_LED
REC_LED
3D_CON_Det
DC_MON
KEY
Light_Sensor_Det
AS
PE
CT1
PE
CT1
Huma
n_Sensor_Det
PANEL_SEL
BACK
LIGHT_MON
PANEL_PWR_Det
STBY_LED
TIMER_L
E
D
MA
IN_
P
WR
MA
IN_
SS_
MON
SYSTEM2_P
W
R
R
SYSTEM1_P
W
R
R
PIC
_
MUTE
_LE
D
AC
_M
ON
PFC_MON
POWE
R_
KEY
KEY
DEB
UG_LE
D1
X_
RF_
RF_
R
ST
X_
HOTEL_
HOTEL_
P
W
R
R
_
C
T
RL
POWE
R_
LED
LED
RE
C_
LED
LED
X_SYSTEM1_RST
PFC_PWR
BACK
LIGHT_ON
NMI
X_AUDIO
_MUTE1
X_AUDIO
_MUTE2
PC
_C
ON_
ON_
D
ET
VI
DE
DE
OA
_DET
VI
DE
DE
OB
_DE
T
CR
_D
ET
ET
X_
FRC
FRC
_
R
ST
SA_MODE
LR_FLAG
FR
C_
PW
C_
PW
R_
CTRL
CTRL
TC
O
O
N
_R
DY
DY
DATA
1
BI
N
N
T
Pa
nel less
Panelless
BT
V
V
_
P
IN
T
NAND_WP
BTV_G
P
IO
x
x
6
X_
RF
_
RF
_
R
S
T
SYSTEM
1_PWR
UARTB
BTV_SE
L
I2CA
I2S_D
0
BTV_SPD
IF
ASURA
UART_E
Atreyu
EQ SW
I2CA
3.3->1
X’tal
TS
IF1
TMDS
DDC
CEC
TV_Out
75
Ω
Drv
Scart_CV
Scart_G
Scart_B
Scart_R
Scart_FB
COMP_Y
COMP_Pb
COMP_Pr
PC_G
PC_B
PC_R
PC_H
PC_V
Scart1_LR
Tuner_LR
PC_LR
COMP_LR
AV3_LR
Line Out_LR
TV_Out_LR
Tuner_LR
Main Speaker_Out_LR
Atreyu_SPDIF
Assist Speaker_Out_LR
REG_12V
27M
[HORUS3]
4M
41M
41M
0
0
[ASCOT2Sip]
[ZHUI]
[SEKITO2]
[Sil9287B]
[D–510D]
[NJU72011RB]
[D–510D]
[LNBH23]
[NJM2561]
0
0
H / L
[LM75B]
[PST3629]
GND
48M
Push
32.76
8K
P
A
A
N
E
L
[TPS2553DBV]
[TPS2553DBV]
[GL850G]
[RTL8201E]
12M
One–
NAND
Muxed
2Gb
DDR3
–1333
2Gb
DDR3
–1333
2Gb
KDL-40/46HX720,723,725(AEP/UK)
67
DIAGRAMS
4-2-2. KDL-40/46HX720,723,725 (2/2)
(Only Interface between board and board)
28
1
12V
26
2
12V
27
3
GND
D
N
G
4
5
2
JST(VA)
1-842-566-11
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
10
10
STBY_+3.3V
7
7
EMI_FAIL
12
9
AUDIO+12.5V
8
8
NC
14pin connector
14
8
AUDIO+12.5V
Molex
YEONHO 20022WR-14AML
11
7
AUDIO+12.5V_GND
1-842-558-11
1
D
N
G
D
N
G
_
V
5
.
2
1
+
O
I
D
U
A
6
3
1
1
1
VLED_VCC
15
2
X
T
_
D
T
R
A
U
D
N
G
_
V
5
.
2
1
+
G
E
R
5
2
2
VLED_VCC
3
X
R
_
D
T
R
A
U
D
N
G
_
V
5
.
2
1
+
G
E
R
4
7
1
3
3
VLED_VCC
16
3
REG+12.5V
4
T
E
S
E
R
4
4
VLED_VCC
18
2
REG+12.5V
5
V
3
.
3
+
_
Y
B
T
S
NC
5
5
NC
NC
1
T-CON_VCC
6
M
V
T
_
E
D
O
M
6
6
VLED_GND
CN6001
7
X
R
_
A
T
R
A
U
7
7
VLED_GND
1-821-620-11
8
)
2
D
M
(
C
N
8
8
VLED_GND
HEADER ASSEMBLY FOR PWB 10P
9
X
R
_
C
T
R
A
U
9
9
VLED_GND
0
1
X
T
_
C
T
R
A
U
10
10 VLED_GND
7
9
AC_OFF_DET
1
1
D
N
G
11
11 LD_ERR
1
8
POWERON
2
1
X
T
_
A
T
R
A
U
NC 12
12 NC
6
7
BL_ERR
3
1
X
I
R
T
A
M
_
S
C
E
13
13 GL_CTRL
NC
6
NC
4
1
V
3
.
3
+
_
Y
B
T
S
14
14 LED_ON
NC
5
NC
5
1
M
E
P
_
E
D
O
M
NC
4
NC
6
1
X
R
_
G
O
L
_
M
E
P
N
O
_
N
O
C
T
3
8
1
1
V
2
1
7
1
X
T
_
G
O
L
_
M
E
P
2
2
V
2
1
r
e
t
t
i
m
E
D
3
3
2
PFC_PWR
8
1
D
N
G
3
3
D
N
G
V
-
a
3
9
1
GND
CN9004
4
4
D
N
G
CN6002
1-774-667-51
GLS_CTRL
5
5
1-842-559-11
TL-EX1 Connector,FFC/FPC 18P
GLS_CTRL2
6
6
EMI_FAIL
7
7
8
8
C
N
1-821-135-11
CN6151 (46" G5A)
To B board (100106)
T-CON_Vcc12V
28
1
GND
27
3
T-CON_VCC12V
26
2
GND
25
4
T-CON_VCC_12V To B
24
NC
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
3
VLED_VCC
4
4
NC
5
5
VLED_GND
6
6
VLED_GND
7
7
VLED_GND
8
8
VLED_GND
9
9
VLED_GND
10
10
LD_ERR
11
11
NC
12
12
GL_CTRL
13
13
LED_ON
14
14
JST XA 14P
AC_IN
1
1
N
-
C
A
2
2
L
-
C
A
CN6001
SFP79-02WLB JAM
1-822-908-11
1-822-908-11
CN6801 (40" G4A)
1-822-339-11
CN6801 (46" G5A)
G5A , G4A
CN6151 (40" G4A) SJM20-28WLB
T-con Board(PEH2)
TC-EM Harness
PEL3-HEM2
PEL3-HEM2
LD Board
T-con
B board
TL-EX1JIG board
BAT-V board
HEM2 Board
B board
T-con
Option
G-B Harness
LD board
AC pigtail
[2b-3 40,46 2/2]
KDL-40/46HX720,723,725(AEP/UK)
68
DIAGRAMS
4-3. CIRCUIT BOARDS LOCATION
<KDL-40HX720/723/725>
G4A Board
<KDL-46HX720/723/725>
G5A Board
BATV Board
HMS3 Board
HLR2 Board
HEM2 Board
Switch
Unit
Switch
Unit
BATV Board
HEM2 Board
HLR2 Board
HMS3 Board
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