KDL-32/37/40/46/55EX720,721,723,724,725,726,726,727,728,729(AEP/UK/RUSS)
120
SEC 4. DIAGRAMS
4-1. BLOCK DIAGRAM
Satellite
Cable
Cable
Satellite
HDMI1
(ARC)
HDMI2
Terrestrial
HDMI3
HDMI4
COMP
SCART
PC
SPDIF
Main
SPEAKER
PC
HP/Line
Out
Assist
SPEAKER
Analog Video
Digital Video/TS/TMDS
Analog Audio
UART
Digital Audio
I2C
Analog Signal
PWM
SPI
X_AUDIO_MUTE1
X_AUDIO_MUTE2
X_FAULT
Main Speaker_Out_LR
Assist Speaker_Out
X_SYSTEM1_RST
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
ASPECT1
TV_Out
Scart_CV,R,G,B,FB
Scart_LR
TV_Out_LR
ASPECT1
VideoA_Det
S_Det
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
X_SYSTEM1_RST
LNA
SW
X’tal
LNA
X’tal
Silicon
Tuner
Silicon
Tuner
IF1
IF2
Zero-IF
27MHz
Ext Demod
IFAGC
Ext Demod
IFAGC
X’tal
TS1
TS2
DiSEqC_Out
DiSEqC_In
DDC
I2CB
DMD_RST
DMD_CLK_ENABLE1
DMD_CLK_ENABLE2
I2CB
CI/CI+
MS
5V
Current
Limit
Power
_
K
E
Y
KE
Y
B
D
_D
IS
C
1,
2
BD
_
E
J
E
C
T
UA
R
TE
H Con.
USB4
BD
USB3
Wifi
USB2
USB1
5V
Current
Limit
5V
X_SY
S
TE
M1
_
R
S
T
Current
Limit
USB
HUB
Crystal
X
_
SY
S
T
E
M
1
_
RS
T
Ether
Ether
PHY
BACKLIGHT
TCON
PEL3
SA
_MODE/L
U
T
_
S
E
L0
PE
M
_
WDT/XBUSY/BI
NT
MO
DE_PEM/TCON_
RDY
LUT_
SEL1/X_
TCO
N
_
R
ST/L
R
_F
L
A
G
T_
P
A
NE
L_
SEL
LVDS
LVDS_ODD
LVDS_EVEN
I2C
_
C
SYSTEM1_PWR
REG_12V
REG_12V
1.2V
DDC
T-CON_VCC
Pow
e
r
STBY 3.3V
REG12V
AUDIO_12V
AUDIO_12V
REG12V
1.5V
SYSTEM2_PWR
DDC
SYSTEM2_PWR
SYSTEM2_PWR
3.3V
DDC
DDC
REG_12V
REG_12V
5V
SYSTEM2_PWR
X’tal
X’tal
AC_MON
Reset
Reset
2.5V
LDO
3.3V
LDO
3.4V
LDO
S1.8V
LDO
S1.2V
LDO
P
ow
e
r_
Co
n
tro
l
MAIN_PWR
BACKLIGHT_ON
DIMMER
BACKLIGHT_MON
PFC_PWR
AC_MON
DIMMER_DC
TCON-ON
UARTA(LOG)
UARTC(Hotel/ECS)
UARTD
PEM_LOG
I2CA(Hotel_Clock)
MODE_PEM
Reset
SIRCS
DIMMER2
T
L-
J
IG
Hot
el
/EC
S
Temp Sensor
Sircs
KEY
LED
Human Sensor
Light Sensor
STBY_LED
POWER_LED
TIMER_LED
PIC_MUTE_LED
REC_LED
Light_Sensor_Det
Human_Sensor_Det
Power_KEY
KEY
UARTE
Temp
Sensor
SIRCS
I2CA
X_Hotel_PWR_CTRL
I2CA (EQSW, Temp Sensor, Hotel Clock)
I2CB (Ext Demod)
I2CC (Panel, RGB Sensor)
UARTA (LOG)
UARTB (RF-Remote)
UARTC (IR Blaster/ECS)
DIMMER
LOGO
DIMMER_DC
DEBUG_LED2
DMD_CLK_ENABLE2
DMD_RST
DEBUG_LED3
DMD_CLK_ENABLE1
PANEL_PWR
HP_DET
X_WIFI_RST
X_AUDIO_MON
HDMIEQ_INT
SPDIF_SEL
DC
_M
O
N
KE
Y
L
ight
_
Sensor_D
et
A
S
P
E
CT
1
Hu
m
a
n_
Sens
or_Det
PA
NEL_
SEL
BA
C
K
LI
GHT
_
MO
N
PA
NEL
_
PWR
_
De
t
A
C
_
M
O
N
PFC
_
MON
POW
E
R
_
KE
Y
DE
B
U
G_L
E
D1
S
TBY_L
E
D
T
IM
ER
_
L
E
D
M
A
IN
_
P
W
R
M
A
IN
_
SS
_
MO
N
SYSTE
M
2_
P
W
R
SYSTE
M
1_
P
W
R
PI
C
_
M
UT
E
_
L
E
D
X
_
RF
_
R
S
T
X
_
H
O
T
EL
_
P
W
R
_
C
TRL
POWE
R_
LE
D
R
E
C
_
L
E
D
X_
SY
S
T
EM
1_
R
S
T
PFC
_
PWR
X_
AUDIO
_M
UT
E1
X_
AUDIO
_M
UT
E2
P
C
_
C
O
N
_
DE
T
V
ID
E
O
A
_DE
T
V
ID
E
O
B
_
D
E
T
C
R
_
D
E
T
BA
C
K
LI
GHT
_
O
N
N
M
I
X
_
T
CO
N_
R
S
T
SA
_M
ODE
B
IN
T
TC
O
N_
R
DY
DATA
1
Panelless
B
TV
_
P
IN
T
NAND
_
W
P
B
T
V
_
G
PI
O
x
6
X
_
R
F_
R
S
T
SYS
TE
M
1_P
W
R
I2
S_
D
0
UAR
T
B
BTV
_
SE
L
BTV
_
SPD
IF
I2
C
A
ASURA
UART_E
ASURA
B
TV
_
FI
D
Audio
Power AMP
TV_Out_LR
Tuner_LR
Main Speaker_Out_LR
Atreyu_SPDIF
Assist Speaker_Out_LR
Line Out_LR
PC_LR
COMP_LR
AV3_LR
Scart1_LR
Tuner_LR
PC_G
PC_B
PC_R
PC_H
PC_V
COMP_Y
COMP_Pb
COMP_Pr
Scart_CV
Scart_G
Scart_B
Scart_R
Scart_FB
TV_Out
75Ω
Drv
TMDS
DDC
CEC
X’tal
IF1
TS
EQ SW
I2CA
3.3->1
OPAMP
[NJU72040V]
Audio
Power AMP
OPAMP
X_SYSTEM1_RST
AUDIO_MON
Atreyu
27M
4M
[HORUS3]
[ASCOT2Sip]
[SEKITO2]
[ZHUI]
[Sil9287B]
[NJM2561]
41M
41M
[D–510D]
[NJU72011RB]
[D–510D]
0
0
H / L
[LM75B]
[LNBH23]
0
0
[TPS2553DBV]
[TPS2553DBV]
[RTL8201E]
[GL850G]
12M
One–
NAND
DDR3
Muxed
–1333
2Gb
2Gb
DDR3
–1333
2Gb
48M
GND
32.76
8K
[PST3629]
Push
P
A
N
E
L
