Sony KDL-32EX725 / KDL-40EX725 / KDL-46EX725 / KDL-55EX725 Service Manual ▷ View online
KDL-32EX725/40EX725/46EX725/55EX725 23
SECTION 3 - CHASSIS OVERVIEW
BATV
X-Reality Processor
TV Microprocessor
Video Processing
HDMI Processing
HDCP Processing
IP (Image Processor)
Scan Converter (Scalar)
Audio Processing
Video Switcher
HDMI Switcher
ATSC/NTSC Tuner
Temperature Sensor
Audio Output Amplifier
Control
LVDS
Keys
Power/
SIRCS
LCD Panel Assembly
LCD PANEL
Switch Unit
LEDs
IR Sensor
Light Level
HLR2
Power
G10-Board (32")
G4-Board (40")
G5-Board (46")
G6-Board (55")
LCD Panel
R
L
RF Input
Component/Composite
Composite
PC Input
4 HDMI Inputs
Optical Digital Audio Output
LED
Backlight System
TCON/HFR
(120Hz)
AC
Input
2 USB 2.0
Motion Sensor
RJ45 Ethernet
HMS3
Headphone/Analog Audio Output
Power +
Power -
Power -
3D Emitter
HEM2
Main Power Supply
Standby Power Supply
AC Relay
LED Backlight Power Supply
(32", 40", 46")
(32", 40", 46")
LED Power
LED 24V
LED Power
Power &
Control
Power &
Control
Power
55" Models
32", 40", 46" Models
Control
NOTE: The LD-Board is NOT included
in the LCD Panel Assembly
Power Key
Function Keys
Function Keys
G8
LD
LD
FIGURE 3-6. OVERALL BLOCK DIAGRAM
KDL-32EX725/40EX725/46EX725/55EX725 25
SECTION 3 - CHASSIS OVERVIEW
NC
1
12V
NC
2
12V
NC
3
GND
NC
4
GND
)
N
S
()
F
L
(
T
B
T
-
S
S
A
P
-
B
4
0
M
S
1-819-460-11
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
1
D
N
G
2
L
R
T
C
_
S
L
G
6
6
2
X
T
_
D
T
R
A
U
L
I
A
F
_
I
M
E
7
7
3
X
R
_
D
T
R
A
U
C
N
8
8
4
T
E
S
E
R
B
T
-
S
H
G
-
B
8
0
M
S
T
S
J
5
V
3
.
3
+
_
Y
B
T
S
1
1
VLED_VCC
1-819-468-11
6
M
V
T
_
E
D
O
M
2
2
VLED_VCC
7
X
R
_
A
T
R
A
U
NC
3
NC
NC (MD2)
8
NC
4
NC
UARTC_RX
9
7
5
VLED_GND
UARTC_TX
10
8
6
VLED_GND
GND
11
9
7
VLED_GND
UARTA_TX
12
10
8
VLED_GND
ECS_MATRIX
13
11
9
LD_ERR
4
1
V
3
.
3
+
_
Y
B
T
S
V
3
.
3
+
_
Y
B
T
S
0
1
0
1
NC
10
NC
12
5
1
M
E
P
_
E
D
O
M
V
5
.
2
1
+
O
I
D
U
A
9
13
11
GL_CTRL
6
1
X
R
_
G
O
L
_
M
E
P
V
5
.
2
1
+
O
I
D
U
A
8
4
1
14
12
LED_ON
11
7
1
X
T
_
G
O
L
_
M
E
P
D
N
G
_
V
5
.
2
1
+
O
I
D
U
A
7
CN1002
8
1
D
N
G
D
N
G
_
V
5
.
2
1
+
O
I
D
U
A
6
3
1
0-844-177-01
15
4
0
0
9
N
C
D
N
G
_
V
5
.
2
1
+
G
E
R
5
JST
1
5
-
7
6
6
-
4
7
7
-
1
D
N
G
_
V
5
.
2
1
+
G
E
R
4
7
1
SM12B-PBVSS-TB(LF)(SN)
16
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
+
G
E
R
3
18
2
REG+12.5V
24
1
T-CON_VCC
CN6001
1-842-569-11
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
3
2
PFC_PWR
9
1
GND
CN6002
1
1
-
9
5
5
-
2
4
8
-
1
1
1
V
2
1
2
2
V
2
1
r
e
tt
i
m
E
D
3
3
3
D
N
G
V
-
a
3
Except EX720 Model
4
4
D
N
G
GLS_CTR
5
5
GLS_CTRL2
6
6
EMI_FAIL
7
7
8
8
C
N
1-821-135-11
CN6704 (32" G10A)
CN6151(46"G5D)
SJM20-28WLB
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
1-822-339-11
CN6705 (32" G10A)
JST XA 14P
CN6801(46" G5D)
CN6801(46" G5D)
AC IN
AC-N
1
1
AC-L
2
2
CN6001(46" G5D / 32"G10A)
SFP79-02WLB JAM
1-822-908-11
1-822-908-11
B board
T- con
Option
BAT- V board
T- con Board
B board
TL- EX1JIG board
HEM2 Board
BLK
AC pigtail
BLK Board
BLK Board
B board
T- con
Option
B board
BLK
AC pigtail
FIGURE 3-8. CONNECTOR DIAGRAM FOR KDL-32EX725 AND KDL-46EX725 (2 OF 2)
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