Sony KDL-40HX750 / KDL-46HX750 / KDL-55HX750 Service Manual ▷ View online
KDL-40/46/55HX750(CH)
101
SEC 4. DIAGRAMS
4-1. BLOCK DIAGRAM
4M
41M
41M
12M
One–
NAND
Muxed
2Gb
DDR3
–1333
2Gb
DDR3
–1333
2Gb
[ASCOT2SR]
[ZHUI2]
[TPS2553DBV]
[TPS2553DBV]
[GL850G]
[RTL8201F]
[Sil9287B]
48M
GND
Push
32.76
8K
[PST3629]
P
A
A
N
E
L
[LM75B]
H / L
[YDA175]
(Service)
SW
LNA
X’tal
Silicon
Tuner
Cable
Aerial
X’tal
IF2
IF1
Ext Demod
TS1
I2CB
DMD_RST
DMD_CLK_ENABLE1
DMD_CLK_ENABLE2
(CI Slot for China only)
CI/CI+
5V
Current
Limit
MS
X_SYSTEM1_RST
TMDS1
DDC1
DDC1
HPD1
CEC1
TMDS2
DDC_5V_1
ARC
EQ SW
I2CA
HDMI1
(ARC)
HDMI2
DDC2
HPD2
DDC_5V_2
HDMI3
HDMI4
CEC2
DDC3
HPD3
DDC_5V_3
TMDS3
CEC3
DDC4
HPD4
DDC_5V_4
TMDS4
CEC4
3.3->1
HDMI_ARC
VideoA_Det
VIDEO_CV
VIDEO1_LR
CVBS
COMP
COMP_LR
COMP_Y, Pb, Pr
VideoB_Det
Cr_Det
For HOTEL IR Pass through
(GA/CH/HK/TW)
HOTEL_IR_SW
SW
SIRCS
PC
PC_R,PC_G,PC_B,PC_H,PC_V
PC_LR
PC_5V, PC_DDC
PC_CON_Det
SPDIF
HP/Line
Out
HP/Line Out LR
HP_/ Line Out Det
SPDIF
Main
SPEAKER
Analog Video
Digital Video/TS/TMDS
Analog Audio
I2C
Analog Signal
PWM
SPI
X_AUDIO_MUTE1
Main Speaker_Out_LR
X_FAULT
X_SYSTEM1_RST
AUDIO_MON
Audio
Power AMP
Tuner_LR
Main Speaker_Out_LR
Atreyu_SPDIF
OPAMP
[TPA6138A2]
Line Out_LR
COMP_LR
PC_LR
VIDEO1_LR
Tuner_LR
PC_V
PC_G
PC_B
PC_R
PC_H
LPF
COMP_Y
COMP_Pb
COMP_Pr
PC_
R
GB_E
N
VIDEO_CV
COMP_Y
TMDS
DDC
CEC
IF1
X’tal
TS
USB3
Wifi
Wifi
H Con. USB2
USB1
Current
Limit
5V
5V
X_SYS
T
EM1_
RS
T
Current
Limit
USB
HUB
HUB
Crystal
Ether
X
_
SYSTEM1_
RST
Ether
PHY
(4Gb for HK model)
T-CON_V
CC (12V)
PEL4
TCON
SA
_MODE
I2
C
C
BINT(
W
P)
PW
M_
DI
MMER
DC_DIMMER
GRS_CTRL1
GRS_CTRL2
B
linking(EL_TIM)
EM
I_
F
A
IL
SYSTEM2_PWR
DDC
REG_12V
1.5V
3.3V
2.5V
LDO
LDO
SYSTEM2_PWR
5V
DDC
REG_12V
3.3V
LDO
3.4V
LDO
1.2V
SYSTEM1_PWR
DDC
REG_12V
SYSTEM2_PWR
S1.8V
LDO
S1.2V
LDO
T-CON_VCC
REG12V
AUDIO_12V
AUDIO_12V
AUDIO_12V
REG12V
Power
MAIN_PWR
BACKLIGHT_ON
PWM_DIMMER
BACKLIGHT_MON
ACT_STBY
AC_MON
DC_DIMMER
STBY 3.3V
TCON-ON
Blinking(EL_TIM)
Power_Control
TL-JIG
UARTA(LOG)
UARTC(ECS)
Reset
UARTD(VPC_LOG)
X’tal
X’tal
AC_MON
Reset
Reset
/RST
JTAG
UARTA (LOG)
I2CA (EQSW, Temp Sensor)
I2CB (Ext Demod/AudioAMP)
I2CC (Panel)
UARTC (ECS/Hotel)
UARTD (VPC_LOG)
DMD_RST
DEBUG_LED2
DEBUG_LED3
DMD_CLK_ENABLE1
PANEL_PWR
DMD_CLK_ENABLE2
X_AUDIO_MON
HDMI_ARC
HP_DET
PC_RGB_EN
Temp
Sensor
I2CA
Temp Sensor
Sircs
SIRCS
For HOTEL IR Pass through
KEY
Power_KEY
KEY
Light_Sensor_Det
Light Sensor
LED
STBY_LED
POWER_LED
TIMER_LED
PIC_MUTE_LED
REC_LED
TD Emitter
EMI_FAIL
GRS_CTRL2
GRS_CTRL1
DC_MON
KEY
Light_
Sensor_Det
BACK
LIGHT_
MON
PANEL_
PWR_
Det
DC_5V_Det
STBY_LED
TIMER_
L
E
D
MA
IN_
PWR
SYSTEM2_
P
W
R
R
SYSTEM1_
P
W
R
R
PIC
_
MUTE
_LE
D
AC
_M
ON
POWE
R_
KEY
KEY
DEB
U
G_LED1
PS_STATUS (no use)
HOTEL_IR_
SW
POWER_LED
RE
C_
LED
C_
LED
X_
SYSTEM1_R
SYSTEM1_R
ST
ACT_STBY
X_
AUDIO
AUDIO
_
MUTE1
X_
AUDIO
AUDIO
_
MUTE2
PC
_C
ON_
ON_
DET
VI
DE
DE
OA
_DET
VIDEOB_DET
CR
_D
ET
ET
BACK
LIGHT_
ON
NMI
SA
_MODE
_MODE
BI
N
N
T
/Panel l
ess
Panelless
Atreyu
LVDS_ODD
LVDS_EVEN
Digital Audio
UART
4-1-1. COMMON
KDL-40/46/55HX750(CH)
102
4-1. BLOCK DIAGRAM
DIAGRAMS
4-1-2. HOTEL MODEL ONLY
AAUO_LOP
(A20)
AAUO_LOM
(B20)
AAUO_ROP
(A19)
AAUO_ROM
(B19)
ST_GPIO14
(AK4)
IC9000
Line Out / HP Out
LINEOUT_L
IC4501
(HP/Lineout Pre-
amp IC)
LINEOUT_R
CN9006
ST_GPIO15
(AJ4)
ST_GPIO16
(AH4)
IC9000
Atreyu
Atreyu
CN9006
14 HTL_Vol+
16 HTL_Vol-
HTL2
CN302
Pin 5
Pin 6
Pin 6
GND
Only 1 active in 1 time
SP_MUTE
32 HOTEL_HTL_LINEOUT_L
15 HOTEL_SP_MUTE
Vol+
Vol-
GND
Vol?
Vol+
GND
KDL-40/46/55HX750(CH)
104
DIAGRAMS
4-2-1. KDL-40/46HX750 (2/2)
Faston #187
SPEAKER
L+ (Terminal # 187)
1
1
Front
L- (Terminal # 110)
2
2
Lch
Faston #110
Faston #110
SPEAKER
R- (Terminal # 110)
2
3
Front
R+ (Terminal # 187)
1
4
CN4601
Rch
+
L
1
1
7
8
1
#
n
o
t
s
a
F
2
2
L-
2
3
R-
1
4
R+
1-842-593-11
1-842-566-12
JST PBVP-04V
JST SM04B-PBVSS-TB(LF)(SN)
CN6001
19
1
TCON_VCC
17
2
AUDIO+12.5V
13
3
REG+12.5V
18
4
AUDIO+12.5V
14
5
REG+12.5V
7
6
AUDIO+12.5V_GND
11
7
REG+12.5V_GND
CN6401
8
8
AUDIO+12.5V_GND
To B board (100106)
12
9
REG+12.5V_GND
POWER_ON
28
V
3
.
3
Y
B
T
S
0
1
3
2
3
1
AC_OFF_DET
27
S
U
T
A
T
S
_
S
P
/
D
N
G
1
1
4
2
9
1
T-CON_ON
26
G
N
I
K
N
I
L
B
2
1
4
0
2
PS_STATUS
25
N
O
_
R
E
W
O
P
3
1
8
2
C
N
STBY_GND
24
R
E
M
M
I
D
_
M
W
P
4
1
2
1
1
STBY3.3V
23
Y
B
T
S
_
L
A
T
I
G
I
D
5
1
6
0
1
GND
22
R
E
M
M
I
D
_
C
D
6
1
1
C
N
GND
21
N
O
_
L
B
7
1
5
C
N
T-CON_VCC12V
20
R
R
E
_
L
B
8
1
3
C
N
T-CON_Vcc12V
19
T
E
D
_
F
F
O
_
C
A
9
1
7
2
1
AU_12V
18
N
O
_
N
O
C
T
0
2
6
2
4
AU_12V
17
2
1-843-150-11 1-843-151-11(JST)
BTV12V
16
S
-
V
0
2
-
P
D
B
P
C
N
SM20B-PBDSS-TF
BTV12V
15
NC
REG12V
14
5
REG12V
13
3
GND
12
9
GND
11
7
GND
10
NC
9
D
N
G
NC
AU_GND
8
8
AU_GND
7
6
DIGITAL_STBY
6
15
BL ON
5
17
BLINKING
4
12
BL_ERR
3
18
PWM_DIMMER
2
14
DC_DIMMER
1
16
1-842-551-11
1-842-598-11
JAM SJM20-28WLB
SJM20-28HG
CN6801
+OUT1
1
NC
2
NC
3
+OUT2
4
MOLEX L4P
1-822-359-11
CN6802
-OUT1
1
NC
2
NC
3
-OUT2
4
NC
5
MOLEX L5P
1-822-360-11
AC_IN
AC-N
1
1
AC-L
2
2
CN6101
SFP79-02WLB JAM
1-822-908-11
G-B Harness
AC pigtail
LS
FY12 GL 6
Board
BAP board
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