Sony KDL-22EX320 / KDL-22EX325 / KDL-24EX320 / KDL-24EX325 / KDL-26EX320 / KDL-26EX321 / KDL-26EX325 / KDL-32EX425 / KDL-32EX523 / KDL-32EX524 / KDL-32EX525 / KDL-37EX521 / KDL-37EX524 / KDL-37EX525 / KDL-40EX523 / KDL-40EX524 / KDL-40EX525 / KDL-46EX520 / KDL Service Manual ▷ View online
KDL-22/24/26/32/37/40/46EX320,321,325,425,520,521,523,524,525(AEP/UK/RUSS)
61
DDR3
1Gb/2Gb
DDR3
1Gb/2Gb
One NAND
2Gb
USB
HUB
HUB
Ether
PHY
Audio
AMP
RMII
YCbCr /
CVBS
CVBS
RGB /
CVBS
CVBS
RGB
TMDS
TMDS
TMDS
SPDIF
USB2.0
75
L/R
TS
LVDS
LED
IR Remote Rx
Ladder
GPIO
UART
SIRCS
GPIO
IIC
Temp.
Sensor
IIC
PWM
Human Sensor
IIS
Audio
Sub AMP
L/R
Lumi Sensor
Key (Normal)
HDMI
EQSW
ATREYU
HORUS
(Si Tu- S)
GAIA
(DVB-T2 Demod)
SEKITO2
(DVB-S2 Demod)
ATV
IF
IF
TS
TS
IF
ASCOT2Ssip
(Si Tu- T)
60Hz CCFL
/
60Hz LED
L/R
PC AUDIO (Shared
w/ HDMI)
L/R
HP / LINE
OUT
OUT
BATS BOARD
SEC 4. DIAGRAMS
4-1. BLOCK DIAGRAM
4-1-1. KDL-22/24EX320, 26EX320/321
KDL-22/24/26/32/37/40/46EX320,321,325,425,520,521,523,524,525(AEP/UK/RUSS)
62
DDR3
1Gb/2Gb
DDR3
1Gb/2Gb
One NAND
2Gb
USB
HUB
HUB
Ether
PHY
HORUS
(Si Tu- S)
GAIA
(DVB-T2 Demod)
SEKITO2
(DVB-S2 Demod)
Audio
AMP
IF
IF
TS
TS
RMII
YCbCr /
CVBS
CVBS
RGB /
CVBS
CVBS
RGB
TMDS
TMDS
TMDS
SPDIF
USB2.0
75
IF
L/R
TS
LVDS
LED
IR Remote Rx
Ladder
GPIO
UART
SIRCS
GPIO
IIC
Temp.
Sensor
IIC
PWM
Human Sensor
IIS
Audio
Sub AMP
L/R
Lumi Sensor
Key (Normal)
HDMI
EQSW
ATREYU
ASCOT2Ssip
(Si Tu- T)
60Hz CCFL
/
60Hz LED
ATV
CATV
L/R
PC AUDIO (Shared
w/ HDMI)
L/R
HP / LINE
OUT
OUT
BATS BOARD
4-1. BLOCK DIAGRAM
4-1-1. KDL-22/24/26EX325
DIAGRAMS
KDL-22/24/26/32/37/40/46EX320,321,325,425,520,521,523,524,525(AEP/UK/RUSS)
63
4-1. BLOCK DIAGRAM
DIAGRAMS
4-1-2. KDL-32/40/46EX425,520,521,523,524,525
27M
4M
41M
41M
[HORUS3]
[ASCOT2Sip]
[ZHUI]
[Sil9287B]
[SEKITO2]
[LNBH23]
[NJM2561]
0
0
[NJU72040V]
[D–510D]
[D–510D]
[NJU72011RB]
0
0
H/L
[TPS2553DBV]
[TPS2553DBV]
[RTL8201E]
[GL850G]
12M
One–
NAND
DDR3
Muxed
2Gb
–1333
2Gb
DDR3
–1333
2Gb
48M
GND
32.76
8K
[PST3629]
[LM75B]
P
A
A
N
E
L
Push
Cable
Satellite
Terrestrial
HDMI1
(ARC)
HDMI2
HDMI3
HDMI4
PC
COMP
SCART
SPDIF
HP/Line
Out
Main
SPEAKER
Analog Video
Digital Video/TS/TMDS
Analog Audio
UART
I2C
I2C
Analog Signal
PWM
SPI
X_AUDIO_MUTE1
X_AUDIO_MUTE2
X_FAULT
Main Speaker_Out_LR
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
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
TMDS1
DDC1
DDC1
HPD1
CEC1
TMDS2
DDC2
TMDS2
DDC2
HPD2
DDC_5V_1
DDC_5V_2
ARC
LNA
SW
X’tal
X’tal
LNA
Silicon
Tuner
Silicon
Tuner
Zero-IF
27MHz
Ext Demod
IFAGC
Ext Demod
IFAGC
X’tal
TS1
TS2
DiSEqC_Out
DiSEqC_In
DiSEqC_In
DDC
I2CB
DMD_RST
DMD_CLK_ENABLE1
DMD_CLK_ENABLE2
I2CB
CI/CI+
5V
Current
Limit
MS
Power
_
KE
Y
KE
Y
BD
_DI
S
C
1
,2
BD_
E
JECT
UAR
T
E
H Con.
USB4
BD
USB3
Wifi
5V
USB2
USB1
Current
Limit
USB
HUB
HUB
Crystal
X_SYS
TEM1_
RS
T
5V
Current
Limit
X_
S
Y
S
T
EM
1
_
R
S
T
Ether
Ether
PHY
BACKLIGHT
TCON
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
LUT_SEL1/X_TCO
N
_RST/LR_FL
A
G
T_P
A
NE
L_SEL
I2C_C
1.5V
SYSTEM2_PWR
DDC
REG_12V
REG_12V
1.2V
SYSTEM1_PWR
DDC
STBY 3.3V
T-CON_VCC
REG12V
AUDIO_12V
AUDIO_12V
AUDIO_12V
REG12V
Power
SYSTEM2_PWR
DDC
REG_12V
3.3V
5V
SYSTEM2_PWR
DDC
REG_12V
SYSTEM2_PWR
S1.8V
LDO
3.3V
LDO
LDO
S1.2V
LDO
3.4V
LDO
LDO
2.5V
LDO
LDO
Power_Control
MAIN_PWR
BACKLIGHT_ON
DIMMER
BACKLIGHT_MON
PFC_PWR
AC_MON
DIMMER_DC
TCON-ON
UARTA(LOG)
UARTC(Hotel/ECS)
UARTD
PEM_LOG
MODE_PEM
Reset
DIMMER2
I2CA(Hotel_Clock)
SIRCS
TL-JIG
Hotel /ECS
Temp Sensor
X’tal
Reset
X’tal
AC_MON
Reset
I2CA (EQSW, Temp Sensor, Hotel Clock)
I2CB (Ext Demod)
I2CC (Panel, RGB Sensor)
I2CB (Ext Demod)
I2CC (Panel, RGB Sensor)
UARTA (LOG)
UARTB (RF-Remote)
UARTC (IR Blaster/ECS)
UARTC (IR Blaster/ECS)
I2CA
X_Hotel_PWR_CTRL
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
SIRCS
DIMMER
LOGO
DIMMER_DC
DMD_CLK_ENABLE2
DMD_RST
DEBUG_LED2
DEBUG_LED3
DMD_CLK_ENABLE1
PANEL_PWR
HP_DET
X_WIFI_RST
SPDIF_SEL
X_AUDIO_MON
HDMIEQ_INT
HDMIEQ_INT
DC
_MON
KEY
Light_Sensor_Det
AS
PE
CT1
PE
CT1
Huma
n_Sensor_Det
PANEL_
SEL
BACK
LIGHT_
M
ON
PANEL_
PWR_
Det
STBY_LED
TIMER_L
E
D
MA
IN_
P
WR
MA
IN_
S
S_
MON
MON
SYSTEM2_
P
W
R
R
SYSTEM1_
P
W
R
R
PIC
_
MUTE
_
LE
D
D
AC
_M
ON
PFC_MON
POWE
R_
KEY
KEY
DEB
U
G_LE
D1
X_
RF_
RF_
R
ST
X
_
H
O
T
E
L
_
P
W
R_
CT
R
R_
CT
R
L
POWE
R_
LED
LED
RE
C_
LED
C_
LED
X_
SYSTEM1_R
SYSTEM1_R
S
T
PFC_PWR
X_
AUDIO
AUDIO
_
MUTE1
X_
AUDIO
AUDIO
_
MUTE2
VI
DE
OA
DE
OA
_DET
VI
DE
DE
OB_DE
T
BACK
LIGHT_
O
N
NMI
PC
_C
ON_
_C
ON_
D
ET
CR
_D
ET
ET
LUT_SE
L2
LUT_SE
L1
LUT_SE
L0
BI
N
N
T
TC
O
O
N
_RDY
DATA
1
Panelless
BT
V
V
_
P
IN
T
NAND_
W
P
P
BTV
_
G
PIO
x
6
X_
RF
_
RF
_
R
S
T
SYSTEM
1_PWR
ASURA
UARTB
BTV_SE
L
I2S_D
0
BTV_SPD
IF
I2CA
UART_E
BT
V
V
_
F
ID
ASURA
Audio
Power AMP
TV_Out_LR
Tuner_LR
Main Speaker_Out_LR
Atreyu_SPDIF
Line Out_LR
PC_LR
COMP_LR
AV3_LR
Scart1_LR
Tuner_LR
PC_G
PC_B
PC_R
PC_H
PC_V
PC_R
PC_H
PC_V
COMP_Y
COMP_Pb
COMP_Pr
Scart_CV
Scart_G
Scart_B
Scart_R
Scart_R
Scart_FB
75
Ω
Drv
TV_Out
TMDS
DDC
CEC
X’tal
IF1
TS
EQ SW
I2CA
3.3->1
Atreyu
OPAMP
OPAMP
AUDIO_MON
X_SYSTEM1_RST
LVDS_ODD
LVDS_EVEN
LVDS_EVEN
Digital Audio
X_SYSTEM1_RST
IF2
IF1
KDL-22/24/26/32/37/40/46EX320,321,325,425,520,521,523,524,525(AEP/UK/RUSS)
64
DIAGRAMS
4-2. CONNECTOR DIAGRAM
JAM 3pin Straight
0
3
0
3
1
W
S
_
C
C
V
_
L
E
N
A
P
A
D
S
_
E
C
I
V
E
D
R
L
H
/
2
Y
E
K
R
D
B
/
x
R
T
R
A
U
D
B
1
C
N
0
3
1
D
N
G
1 NC (Aging pin)
9
2
9
2
2
W
S
_
C
C
V
_
L
E
N
A
P
V
3
.
3
+
_
Y
B
T
S
R
D
B
2
6
8
2
2
S
N
E
S
_
N
O
I
T
O
M
r
o
s
n
e
S
n
o
i
t
o
M
2 SCL
8
2
8
2
3
W
S
_
C
C
V
_
L
E
N
A
P
X
T
_
T
R
A
U
F
R
/
x
T
_
T
R
A
U
R
D
B
3
4
9
2
3
V
5
+
G
E
R
2
/
V
/
X
-
a
3
3 SDA
P-1/2
1
1- 821- 130- 11
7
2
7
2
4
W
S
_
C
C
V
_
L
E
N
A
P
X
R
_
T
R
A
U
_
F
R
/
x
R
_
T
R
A
U
R
D
B
4
5
4 GND
6
2
6
2
5
W
S
_
C
C
V
_
L
E
N
A
P
L
E
S
F
R
/
N
O
C
I
M
_
Y
B
T
S
_
P
U
E
K
A
W
R
D
B
5
1
5 RX0-
5
2
5
2
6
C
N
T
S
R
_
F
R
/
0
O
I
P
G
R
D
B
6
2
6 RX0+
3
7
BDR GND
4
2
4
2
7
D
N
G
7 GND
5
8
WIFI GND
3
2
3
2
8
D
N
G
8 RX1-
P
_
B
S
U
I
F
I
W
9
3
7
2
1
D
N
G
2
2
2
2
9
T
N
I
B
/
9
l
r
t
C
_
l
e
n
a
P
9 RX1+
D
N
G
I
F
I
W
0
1
1
5
2
2
T
N
I
_
R
E
W
O
P
e
l
u
d
o
m
W
S
1
2
1
2
0
1
C
N
10 GND
N
_
B
S
U
I
F
I
W
1
1
4
6
2
3
1
Y
E
K
L
L
A
0
2
0
2
1
1
L
E
S
_
L
E
N
A
P
/
8
l
r
t
C
_
l
e
n
a
P
11 RX2-
1- 822- 693- 11
NC
12
WIFI GND
9
1
9
1
2
1
D
N
G
12 RX2+
2
13
WIFI VBUS
8
1
8
1
3
1
P
_
3
D
D
O
_
L
E
N
A
P
13 GND
7
1
7
1
4
1
N
_
3
D
D
O
_
L
E
N
A
P
L
C
S
_
E
C
I
V
E
D
R
L
H
4
1
C
N
14 RXCLK-
6
1
6
1
5
1
D
N
G
R
E
M
I
T
_
N
O
_
D
E
L
R
L
H
5
1
5
15 RXCLK+
12
16
HLR SIRCS
5
1
5
1
6
1
P
_
K
L
C
_
D
D
O
_
L
E
N
A
P
16 GND
4
1
4
1
7
1
N
_
K
L
C
_
D
D
O
_
L
E
N
A
P
Y
B
T
S
_
D
E
L
R
L
H
7
1
4
3
2
1
V
3
.
3
+
Y
B
T
S
17 RX3-
3
1
3
1
8
1
D
N
G
R
E
W
O
P
_
D
E
L
R
L
H
8
1
6
1
2
2
D
N
G
r
o
s
n
e
S
_
T
P
O
/
r
o
s
n
e
S
B
G
R
/
R
I
/
D
E
L
18 RX3+
C
E
R
_
D
E
L
R
L
H
9
1
3
9
1
3
C
E
R
_
D
E
L
3
-
b
2
2
1
2
1
9
1
P
_
2
D
D
O
_
L
E
N
A
P
19 GND
1
1
1
1
0
2
N
_
2
D
D
O
_
L
E
N
A
P
E
T
U
M
_
C
I
P
_
D
E
L
R
L
H
0
2
7
7
1
4
Y
B
T
S
_
D
E
L
V
-
a
3
20 PANEL_SEL
D
N
G
R
L
H
1
2
2
5
1
5
R
E
M
I
T
_
D
E
L
2
-
a
3
0
1
0
1
1
2
D
N
G
21 SELLVDS(Default:VESA)
9
9
2
2
P
1
D
D
O
_
L
E
N
A
P
S
N
E
S
_
T
P
O
R
L
H
2
2
0
1
8
1
6
R
E
W
O
P
_
D
E
L
1
-
P
22 B-INT / WP
8
8
3
2
N
_
1
D
D
O
_
L
E
N
A
P
V
3
.
3
_
Y
B
T
S
R
L
H
3
2
1
0
2
7
E
T
U
M
_
C
I
P
_
D
E
L
2
-
P
23 GND
V
3
.
3
R
L
H
4
2
1
1
C
N
8
D
N
G
/
A
D
S
_
E
C
I
V
E
D
7
7
4
2
D
N
G
24 GND
6
6
5
2
P
_
0
D
D
O
_
L
E
N
A
P
Y
E
K
_
R
E
W
O
P
W
S
5
2
2
C
N
9
R
D
B
_
D
E
L
/
L
C
S
_
E
C
I
V
E
D
25 NC(Open: Inside of panel)
Y
E
K
_
W
S
6
2
3
2
2
0
1
S
N
E
S
_
T
P
O
5
5
6
2
N
_
0
D
D
O
_
L
E
N
A
P
26 VCC
D
N
G
W
S
7
2
1
4
2
1
1
V
3
.
3
+
D
V
4
4
7
2
D
N
G
27 VCC
3
3
8
2
A
D
S
/
1
1
l
r
t
C
_
l
e
n
a
P
O
G
O
L
Y
N
O
S
/
T
E
D
S
M
H
8
2
2
6
1
2
1
S
C
R
I
S
28 VCC
1- 821- 139- 11
2
2
9
2
L
C
S
/
2
1
l
r
t
C
_
l
e
n
a
P
V
5
O
G
O
L
/
V
5
S
M
H
9
2
3
29 VCC
1
1
0
3
C
N
D
N
G
O
G
O
L
/
D
N
G
S
M
H
0
3
1
30 VCC
CN9006
CN2000
Hirose
182016211
KDF71G- 30S- 1H
30pin connector
26" ,22" Only
26" ,22" Only
SYNC
1
5
RESET
2
6
3
D
N
G
e
l
u
d
o
m
C
R
F
R
7
4
X
R
1
-
P
/
2
-
a
3
/
1
-
a
3
/
3
-
b
2
/
2
-
b
2
/
1
-
b
2
3
5
X
T
n
a
p
a
J
y
l
n
o
4
VDD
6
2
JAM SYT10-06-WL-ET
1-821-146-11
0
1
1
D
N
G
3
1
2
C
C
V
I
F
I
W
9
3
P
_
B
S
U
I
F
I
W
1
1
4
M
_
B
S
U
I
F
I
W
WIFI GND
5
8
SM05B-GHS-TB
1-819-334-11
1- 842- 088- 11
HMS3 board
HLR board
HLR board
HLR board
HLR board
HLR board
HLR board
HLR board
BAT- S board
BV - H Harness
H-B
H-B
Wifi module (EU Only)
WXGA Panel
FFC
B- WXGA
panel
B- WXGA
panel
30pin FFC
W/Plug Tcon side
SW module
RFRC module
RFRC module
RFRC module
RFRC module
[P-1 BAT-S 22/26(WXGA) 24(FHD) 1/2]
4-2-1. KDL-22/24/26EX320,321,325 (1/2)
Click on the first or last page to see other KDL-22EX320 / KDL-22EX325 / KDL-24EX320 / KDL-24EX325 / KDL-26EX320 / KDL-26EX321 / KDL-26EX325 / KDL-32EX425 / KDL-32EX523 / KDL-32EX524 / KDL-32EX525 / KDL-37EX521 / KDL-37EX524 / KDL-37EX525 / KDL-40EX523 / KDL-40EX524 / KDL-40EX525 / KDL-46EX520 / KDL service manuals if exist.