Read Sony KDL-32EX725 / KDL-40EX725 / KDL-55EX725 Service Manual online
KDL-32EX725/40EX725/55EX725
20
SECTION 3 - CHASSIS OVERVIEW
DIAGRAMS
BLOCK DIAGRAM
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
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
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_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
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 3-5. OVERALL BLOCK DIAGRAM
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