Sony KDL-40EX720 / KDL-46EX720 / KDL-60EX720 Service Manual ▷ View online
KDL-40/46/55/60EX720(CH)
93
3-9. 3D MALFUNCTION
TROUBLE SHOOTING
3D malfunction
HEM2 Board
No
No
NG
Yes
Change
Watching environment
Panel (T-con)
[How to confirm IR-output.]
ex) Look IR-LED through CCD/CMOS camera.
IR has been output
on HEM board,
during 3D displaying.
Replace HEM2 board
Symptom
improvement
Check
whether there is
interception thing
between Emitter
and glasses.
No
Yes
Yes
Is 3D glasses
power on?
Power on
or
Charge battery
3D glasses
KDL-40/46/55/60EX720(CH)
94
SEC 4. DIAGRAMS
4-1. BLOCK DIAGRAM
Cable
Satellite
Aerial
HDMI1
(ARC)
HDMI2
HDMI3
HDMI4
CVBS
COMP
PC
HP/Line
Out
SPDIF
Main
SPEAKER
Assist
SPEAKER
X’tal
LNA
SW
LNA
X’tal
Silicon
Tuner
Ext Demod
Zero-IF
27MHz
IFAGC
DiSEqC_Out
DiSEqC_In
DDC
I2CB
TS2
DMD_RST
DMD_CLK_ENABLE1
DMD_CLK_ENABLE2
CI/CI+
MS
H Con.
Current
Limit
5V
I2CB
Ext Demod
IFAGC
X’tal
IF1
IF2
Silicon
Tuner
X_SYSTEM1_RST
TMDS1
DDC1
DDC_5V_1
DDC_5V_1
HPD1
ARC
CEC1
TMDS2
DDC2
DDC_5V_2
HPD2
CEC2
TMDS3
DDC3
DDC_5V_3
HPD3
CEC3
TMDS4
DDC4
DDC_5V_4
DDC_5V_4
HPD4
CEC4
3.3->1
VideoA_Det
VIDEO_CV
VIDEO1_LR
COMP_Y, Pb, Pr
VideoB_Det
VideoB_Det
COMP2_LR
ASPECT1
Cr_Det
PC_CON_Det
PC_R,PC_G,PC_B,PC_H,PC_V
PC_LR
PC_5V, PC_DDC
HP_/ Line Out Det
HP/Line Out LR
HP/Line Out LR
SPDIF
Assist Speaker_Out
X_SYSTEM1_RST
Main Speaker_Out_LR
X_FAULT
X_AUDIO_MUTE1
Digital Video/TS/TMDS
Analog Video
Analog Video
Analog Audio
UART
Digital Audio
I2C
Analog Signal
PWM
SPI
X_SYSTEM1_RST
AUDIO_MON
Audio
Power AMP
Audio
Power AMP
OPAMP
[NJU72040V]
Line Out_LR
Tuner_LR
Main Speaker_Out_LR
Atreyu_SPDIF
Assist Speaker_Out_LR
PC_LR
VIDEO1_LR
COMP2_LR
Tuner_LR
PC_G
PC_B
PC_R
PC_R
PC_H
PC_V
COMP_Y
COMP_Pb
COMP_Pr
VIDEO_CV
COMP_Y
TMDS
DDC
CEC
IF1
X’tal
TS
I2CA
EQ SW
USB2
USB1
Ether
USB3
Wifi
Current
Limit
5V
USB
HUB
HUB
5V
X_SYS
T
EM1_
RS
T
X
_
SYSTEM1_
RST
Current
Limit
Crystal
Ether
PHY
BACKLIGHT
LVDS
LVDS_ODD
LVDS_EVEN
LVDS_EVEN
X’tal
X’tal
Reset
AC_MON
Reset
UARTA (LOG)
I2CA (EQSW, Temp Sensor, Hotel Clock)
I2CB (Ext Demod)
I2CC (Panel, RGB Sensor)
UARTB (RF-Remote)
UARTC (IR Blaster/ECS)
X_Hotel_PWR_CTRL
I2CA
DIMMER
LOGO
DMD_RST
X_AUDIO_MON
DIMMER_DC
DEBUG_LED2
DEBUG_LED3
DMD_CLK_ENABLE1
PANEL_PWR
DMD_CLK_ENABLE2
HDMIEQ_INT
HP_DET
X_WIFI_RST
SPDIF_SEL
AC
_M
ON
PFC_MON
POWE
R_
KEY
KEY
DC_MON
KEY
Light_Sensor_Det
DEB
UG_LE
D1
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
X_
RF_
RF_
R
ST
X_
HOTEL_
HOTEL_
PWR
_
C
T
RL
POWE
R_
LED
LED
RE
C_
LED
C_
LED
X_SYSTEM1_RST
PFC_PWR
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
BACK
LIGHT_ON
NMI
X_
TCON_R
TCON_R
ST
SA_MODE
BI
N
N
T
TC
O
O
N
_R
DY
DY
DATA
1
Panelless
Atreyu
TCON
PEL3
I2C_C
SA
_MODE/L
U
T
_
SEL0
PE
M
_
WDT/XBUSY/BI
NT
MO
DE_PEM/TCON_RDY
LUT_SEL1/X_TCO
N
_RST/LR_FL
A
G
T_P
A
NE
L_SEL
1.5V
SYSTEM2_PWR
REG_12V
REG_12V
SYSTEM2_PWR
SYSTEM2_PWR
3.3V
5V
2.5V
LDO
LDO
REG_12V
DDC
DDC
DDC
DDC
1.2V
SYSTEM1_PWR
S1.8V
LDO
3.3V
LDO
REG_12V
S1.2V
LDO
3.4V
LDO
SYSTEM2_PWR
STBY 3.3V
T-CON_VCC
REG12V
AUDIO_12V
AUDIO_12V
AUDIO_12V
REG12V
Power
MAIN_PWR
BACKLIGHT_ON
DIMMER
BACKLIGHT_MON
PFC_PWR
AC_MON
DIMMER_DC
TCON-ON
Power_Control
UARTA(LOG)
UARTC(Hotel/ECS)
UARTD
PEM_LOG
I2CA(Hotel_Clock)
MODE_PEM
Reset
SIRCS
DIMMER2
Hotel /ECS
TL-JIG
Temp
Sensor
Temp Sensor
KEY
Sircs
Power_KEY
KEY
SIRCS
UARTE
Light_Sensor_Det
Human_Sensor_Det
Human Sensor
Light Sensor
LED
STBY_LED
POWER_LED
TIMER_LED
PIC_MUTE_LED
REC_LED
Push
H/L
P
A
A
N
E
L
[ZHUI]
[Sil9287B]
[HORUS3]
27M
4M
41M
0
0
[ASCOT2Sip]
[SEKITO2]
[LNBH23]
41M
[D-510D]
[D-510D]
[LM75B]
[PST3629]
GND
48M
32.76
8K
[TPS2553DBV]
[TPS2553DBV]
[GL850G]
[RTL8201E]
Muxed
2Gb
–1333
2Gb
–1333
2Gb
DDR3
DDR3
One-
NAND
12M
KDL-40/46/55/60EX720(CH)
96
DIAGRAMS
4-2-1. KDL-46EX720 (2/2)
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
t
t
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)
AC IN
AC-N
1
1
AC-L
2
2
CN6001(46" G5D / 32"G10A)
SFP79-02WLB JAM
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
[3a-2 32,46 2/2]
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