Sony KDL-32HX750 / KDL-32HX751 / KDL-32HX753 / KDL-32HX755 / KDL-32HX757 / KDL-32HX758 / KDL-32HX759 / KDL-40HX750 / KDL-40HX751 / KDL-40HX753 / KDL-40HX755 / KDL-40HX756 / KDL-40HX757 / KDL-40HX758 / KDL-40HX759 / KDL-40HX75G / KDL-46HX750 / KDL-46HX751 / KDL Service Manual ▷ View online
KDL-32/40/46/55HX750,751,753,755,756,757,758,759,75G(AEP/UK/IT/NOR)
121
3-11. HDD-Rec MALFUNCTION
TROUBLE SHOOTING
HDD Rec
Malfunction
B board
HDD is connected
to the appropriate
USB port?
Connect to the
appropriate port
No
Yes
USB Hub is inserted
in between the
USB port and HDD?
USB Hub is
not supported
Yes
No
Is the drive size larger
than 32GB and
Smaller than 2TB??
Only 32GB~2TB
is supported
No
Yes
All the setups and
restrictions listed in
iManual are cleared?
Check the iManual
No
Yes
KDL-32/40/46/55HX750,751,753,755,756,757,758,759,75G(AEP/UK/IT/NOR)
122
SEC 4. DIAGRAMS
4-1. BLOCK DIAGRAM
Satellite
DDC
Ext Demod
DiSEqC_Out
IFAGC
DiSEqC_In
LNA
LNB_POWER
(for S2 model)
I2CB
X’tal
X’tal
LNA
(for T2/C2 model)
IFAGC
Ext Demod
X’tal
TS1
X_SYSTEM1_RST
Silicon
Tuner
IF2
IF1
Terrestrial
HDMI1
(ARC)
HDMI2
HDMI3
HDMI4
SPDIF
Main
SPEAKER
PC
HP/Line
Out
COMP
SCART
Analog Video
Digital Video/TS/TMDS
Analog Audio
UART
Digital Audio
Analog Signal
PWM
I2C
SPI
X_AUDIO_MUTE1
Main Speaker_Out_LR
X_AUDIO_MUTE2
X_FAULT
X_SYSTEM1_RST
AUDIO_MON
Audio
Power AMP
Main Speaker_Out_LR
Atreyu_SPDIF
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
COMP_Y, Pb, Pr
VideoB_Det
Cr_Det
TV_Out
Scart_CV,R,G,B,FB
Scart_LR
TV_Out_LR
ASPECT1
CEC3
DDC4
HPD4
CEC4
DDC_5V_4
TMDS4
CEC2
DDC3
HPD3
DDC_5V_3
TMDS3
TMDS1
DDC1
DDC1
HPD1
CEC1
TMDS2
DDC2
HPD2
DDC_5V_1
DDC_5V_2
ARC
3.3->1
HDMI_ARC
EQ SW
I2CA
I2CB
DMD_RST
DMD_CLK_ENABLE1
DMD_CLK_ENABLE2
CI/CI+
5V
Current
Limit
MS
X’tal
IF1
TS
TMDS
DDC
CEC
75
Ω
Drv
TV_Out
COMP_Y
Scart_CV
Scart_G
Scart_B
Scart_R
Scart_FB
COMP_Y
COMP_Pb
COMP_Pr
PC_
R
GB_E
N
LPF
PC_V
PC_G
PC_B
PC_R
PC_R
PC_H
Line Out_LR
PC_LR
Scart1_LR
COMP_LR
TV_Out_LR
Tuner_LR
Tuner_LR
OPAMP
[TPA6138A2]
OPAMP
USB3
Wifi
Wifi
H Con. USB2
Current
Limit
USB1
5V
USB
HUB
HUB
Crystal
Current
Limit
5V
X_SYS
T
EM1_
RS
T
Ether
PHY
X
_
SYSTEM1_
RST
Ether
PEL4
TCON
T-CON_V
C
C (12V
)
GRS_CTRL1
GRS_CTRL2
EM
I_
F
A
IL
SA
_MODE
I2
C
C
BINT(
WP)
PW
M_
DI
MM
ER
DC
_DIMMER
B
linking(EL_TIM)
1.2V
SYSTEM1_PWR
DDC
REG_12V
T-CON_VCC
REG12V
AUDIO_12V
AUDIO_12V
AUDIO_12V
REG12V
Power_Control
Power
MAIN_PWR
BACKLIGHT_ON
PWM_DIMMER
BACKLIGHT_MON
ACT_STBY
AC_MON
DC_DIMMER
STBY 3.3V
TCON-ON
Blinking(EL_TIM)
S1.8V
LDO
S1.2V
LDO
SYSTEM2_PWR
3.3V
LDO
LDO
5V
SYSTEM2_PWR
DDC
REG_12V
3.4V
LDO
LDO
2.5V
LDO
LDO
SYSTEM2_PWR
DDC
REG_12V
1.5V
3.3V
LVDS_ODD
LVDS_EVEN
AC_MON
Reset
Reset
JTAG
/RST
I2CA (EQSW, Temp Sensor)
I2CB (Ext Demod/AudioAMP)
I2CC (Panel)
UARTA (LOG)
UARTC (ECS/Hotel)
UARTD (VPC_LOG)
TL-JIG
UARTA(LOG)
UARTC(ECS)
Reset
UARTD(VPC_LOG)
Temp Sensor
Sircs
Temp
Sensor
I2CA
SIRCS
DMD_RST
X_AUDIO_MON
DEBUG_LED2
DEBUG_LED3
DMD_CLK_ENABLE1
PANEL_PWR
DMD_CLK_ENABLE2
HDMI_ARC
HP_DET
PC_RGB_EN
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
AS
PE
CT1
PE
CT1
BACK
LIGHT_
M
ON
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_LE
D
1
PS_
STATUS (no use)
POWE
R_LED
RE
C_
LED
LED
X_
SYSTEM1_R
SYSTEM1_R
ST
AC
T_STBY
X_
AUDIO
AUDIO
_
MUTE1
X_
AUDIO
AUDIO
_
MUTE2
PC
_C
ON_
ON_
D
ET
VI
DE
DE
OA
_DET
VIDE
OB
_DE
T
CR
_D
ET
ET
BACK
LIGHT_
ON
NMI
SA
_MODE
_MODE
BI
N
N
T
/Panel l
ess
Panelless
Atreyu
X’tal
X’tal
4M
27M
41M
41M
[ASCOT2SR]
[Sil9287B]
[NJM2561]
[Luxor]
[JUNO]
[A8298]
12M
48M
GND
Push
32.76
8K
Muxed
4Gb
One–
NAND
–1333
2Gb
DDR3
–1333
2Gb
DDR3
[GL850G]
[RTL8201F]
[TPS2553DBV]
[TPS2553DBV]
[PST3629]
[LM75B]
P
A
A
N
E
L
H/L
[NJU72011RB]
(Service)
[YDA175]
KDL-32/40/46/55HX750,751,753,755,756,757,758,759,75G(AEP/UK/IT/NOR)
123
DIAGRAMS
4-2. CONNECTOR DIAGRAM
4-2-1. KDL-32HX750/751/753/755/757/758/759 (1/2)
3D Emitter
CN300
EMI_FAIL
GND
GLS_CTRL
NC
12V
1-821-132-11 JAM
1-822-693-11
JAM SZ15-03WLR
JAM SZ15-03WLR
1-821-138-11
JAM SYT10-11WS
JAM SYT10-11WS
1-819-334-11
JST SM05B-GHS-TB
JST SM05B-GHS-TB
1-821-119-11
SYT10-05WS
SYT10-05HG
CN2001
To BAP
Panel_Ctrl1 / VSYNC
1
5
1
Panel_Ctrl1 / LVDS_OPTION
Panel_Ctrl2 / EMI_FAIL
0
5
2
Panel_Ctrl2 / TCON_RDY
Panel_Ctrl3 / GLS_CTRL2
9
4
3
Panel_Ctrl3 / NC
CN9006
Panel_Ctrl4 / GLS_CTRL
8
4
4
Panel_Ctrl4 / LUT_SEL2
WIFI GND
Panel_Ctrl5 / LRFLAG
7
4
5
Panel_Ctrl5 / LUT_SEL1
WIFI VBUS
Panel_Ctrl6 / SA_MODE
6
4
6
Panel_Ctrl6 / LUT_SEL0
SW
WIFI USB_P
Panel_Ctrl7 / DC_DIMMER
5
4
7
Panel_Ctrl7 / NC
GND
Panel_Ctrl8 / EL_TIM
4
4
8
Panel_Ctrl8 / PANEL_SEL
WIFI USB_N
4
5
2
3
1
6
3
1
7
1
10
2
4
2
1
2
1
2
1
2
3
4
2
1
3
3
1
5
5
4
9
8
NC
3
4
5
D
N
G
Panel_Ctrl9 / BINT
3
4
9
Panel_Ctrl9 / BUS_SW
WIFI GND
C
N
3
3
2
T
N
I
_
R
E
W
O
P
SW module
Panel_Ctrl10 / PWM_DIMMER
2
4
0
1
Panel_Ctrl10 / NC
EMI_FAIL
1
5
NC
5
3
3
1
Y
E
K
Panel_Ctrl11 / SDA
1
4
1
1
Panel_Ctrl11 / SDA
EMI_12V
GLS_CTRL1
EMI_GND
1
V
2
1
Panel_Ctrl12 / SCL
0
4
2
1
Panel_Ctrl12 / SCL
3
2
V
2
1
D
N
G
9
3
3
1
D
N
G
2
3
D
N
G
PANEL_EVEN4_P
8
3
4
1
PANEL_EVEN4_P
HL board
GLS_CTRL2
4
D
N
G
PANEL_EVEN4_N
7
3
5
1
PANEL_EVEN4_N
CN100
NC
NC
PANEL_EVEN3_P
6
3
6
1
PANEL_EVEN3_P
1-819-460-11
RF GND
C
N
9
2
1
V
3
.
3
+
Y
B
T
S
PANEL_EVEN3_N
5
3
7
1
PANEL_EVEN3_N
JST
SM04B-PASS-TBT(LF)(SN)
SM04B-PASS-TBT(LF)(SN)
D
N
G
4
3
8
1
D
N
G
RF Rx / HOTEL_VOL_UP
C
N
7
2
2
D
N
G
LED/IR/OPT_Sensor
1
PANEL_EVEN_CLK_P
RF RST / HOTEL_SP_MUTE
C
N
5
2
3
C
E
R
_
D
E
L
IR Capture
PANEL_EVEN_CLK_P
3
3
9
PANEL_EVEN_CLK_N
2
3
0
2
PANEL_EVEN_CLK_N
RF Tx / HOTEL_VOL_Down
C
N
1
2
4
Y
B
T
S
_
D
E
L
D
N
G
1
3
1
2
D
N
G
RF STBY3.3V / HOTEL_CL_STBY_+3.3V
C
N
9
1
5
R
E
M
I
T
_
D
E
L
RF UART_SEL
C
N
3
2
6
R
E
W
O
P
_
D
E
L
PANEL_EVEN2_P
0
3
2
2
PANEL_EVEN2_P
PANEL_EVEN2_N
9
2
3
2
PANEL_EVEN2_N
HLR LED_ON_TIMER
5
6
2
7
E
T
U
M
_
C
I
P
_
D
E
L
HLR SIRCS
0
1
8
2
8
S
N
E
S
_
T
P
O
PANEL_EVEN1P
8
2
4
2
PANEL_EVEN1P
PANEL_EVEN1_N
7
2
5
2
PANEL_EVEN1_N
HLR LED_STBY
4
0
3
9
V
3
.
3
+
D
V
PANEL_EVEN0_P
6
2
6
2
PANEL_EVEN0_P
WIFI VBUS / HOTEL_CL_I2CA_SDA
C
N
0
2
0
1
S
C
R
I
S
PANEL_EVEN0_N
5
2
7
2
PANEL_EVEN0_N
HLR LED_POWER
6
C
N
1
1
E
R
U
T
P
A
C
_
R
I
D
N
G
4
2
8
2
D
N
G
WIFI GND / HOTEL_CL_I2CA_SCL
C
N
HLR LED_REC
3
PANEL_ODD4_P
3
2
9
2
PANEL_ODD4_P
PANEL_ODD4_N
2
2
0
3
PANEL_ODD4_N
HLR LED_PIC_MUTE
HLR GND
7
2
PANEL_ODD3_P
1
2
1
3
PANEL_ODD3_P
PANEL_ODD3_N
0
2
2
3
PANEL_ODD3_N
HLR OPT_SENS
8
D
N
G
9
1
3
3
D
N
G
HLR STBY_3.3V
1
9
9
HLR 3.3V
PANEL_ODD_CLK_P
8
1
4
3
PANEL_ODD_CLK_P
PANEL_ODD_CLK_N
7
1
5
3
PANEL_ODD_CLK_N
HOTEL_CL_MAIN_+3.3V
C
N
D
N
G
6
1
6
3
D
N
G
HOTEL_HTL_LINEOUT_L
C
N
PANEL_ODD2_P
5
1
7
3
PANEL_ODD2_P
SW_POWER_KEY
2
3
1
PANEL_ODD2_N
4
1
8
3
PANEL_ODD2_N
HOTEL_CL_AC_MON
C
N
SW_KEY
PANEL_ODD1P
3
1
9
3
PANEL_ODD1P
SW GND
PANEL_ODD1_N
2
1
0
4
PANEL_ODD1_N
PANEL_ODD0_P
1
1
1
4
PANEL_ODD0_P
HOTEL_HTL_REG+12V
C
N
SONY LOGO
PANEL_ODD0_N
0
1
2
4
PANEL_ODD0_N
LOGO 5V
D
N
G
9
3
4
D
N
G
D
N
G
8
4
4
D
N
G
LOGO GND / HOTEL_CL_GND
C
N
C
N
C
N
1-819-538-11
1-818-692-22
D
N
G
7
5
4
Panel_Ctrl13
SHLDP-40V-S(B)
JST
C
N
6
6
4
D
N
G
PANEL_VCC_SW
5
7
4
PANEL_VCC_SW
PANEL_VCC_SW
4
8
4
PANEL_VCC_SW
PANEL_VCC_SW
3
9
4
PANEL_VCC_SW
PANEL_VCC_SW
2
0
5
PANEL_VCC_SW
1
2
3
2
3
4
5
6
7
8
V
2
1
PANEL_VCC_SW
1
1
5
PANEL_VCC_SW
12V
GND
GND
GND
GLS_CTRL
GLS_CTRL2
EM_DET
NC
wifi module(EXCEPT 3a Deri)
GND
DC 5V
USB_DATA+
EXCEPT 3a Deri
USB_DATA-
GND (S-GND)
1-819-495-11
GHR-05V-S
Faston #187
SPEAKER
L+ (Terminal # 187)
Front
L- (Terminal # 110)
Lch
Faston #110
Faston #110
SPEAKER
R- (Terminal # 110)
Front
R+ (Terminal # 187)
Rch
Faston #187
CN4601
1
1
L+
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)
PANEL FFC
68pin x4
SZ15-03HGR
1-821-900-11
1-821-900-11
51pin FFC
LVDS-FFC
B-PEL4
B-PEL4
BAP- H Harness
T-con Board
BAP board
1-819-468-11
JST / SM08B-GHS-TB
JST / SM08B-GHS-TB
JAE/FI-RNE51SZ-HF
1-842-546-11
FFC Direct Connector :I-PEX
FFC Direct Connector :I-PEX
1-821-125-11
SYT10-11HG
5
1
2
3
4
6
7
8
9
11
10
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
29
30
31
32
33
34
35
36
37
38
39
40
38
39
40
12
KDL-32/40/46/55HX750,751,753,755,756,757,758,759,75G(AEP/UK/IT/NOR)
124
DIAGRAMS
4-2-1. KDL-32HX750/751/753/755/757/758/759 (2/2)
CN6401
To B board (100106)
POWER_ON
AC_OFF_DET
T-CON_ON
PS_STATUS
STBY_GND
STBY3.3V
D
N
G
D
N
G
T-CON_VCC12V
T-CON_Vcc12V
AU_12V
AU_12V
BTV12V
BTV12V
REG12V
REG12V
D
N
G
D
N
G
D
N
G
D
N
G
AU_GND
AU_GND
DIGITAL_STBY
BL ON
BLINKING
BL_ERR
PWM_DIMMER
DC_DIMMER
1-842-551-11
1-842-598-11
SJM20-28HG
JAM SJM20-28WLB
MOLEX L4P
1-822-359-11
MOLEX L5P
1-822-360-11
+OUT1
1
NC
2
NC
3
+OUT2
4
CN6802
CN6801
-OUT1
1
NC
2
NC
3
-OUT2
4
NC
5
AC_IN
AC-N
1
1
AC-L
2
2
CN6101
SFP79-02WLB JAM
1-822-908-11
CN6001
1-843-150-11 1-843-151-11(JST)
PBDP-20V-S SM20B-PBDSS-TF
G-B Harness
AC pigtail
LS
FY12 GL2A
Board
BAP board
28
27
19
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
13
20
NC
11
10
NC
NC
NC
1
4
2
NC
NC
5
3
9
7
NC
NC
8
6
15
17
12
18
14
16
TCON_VCC
AUDIO+12.5V
REG+12.5V
AUDIO+12.5V
REG+12.5V
AUDIO+12.5V_GND
REG+12.5V_GND
AUDIO+12.5V_GND
REG+12.5V_GND
STBY3.3V
GND/PS_STATUS
BLINKING
POWER_ON
PWM_DIMMER
DIGITAL_STBY
DC_DIMMER
BL_ON
BL_ERR
AC_OFF_DET
TCON_ON
19
1
17
2
13
3
18
4
14
5
7
6
11
7
8
8
12
9
23
10
24
11
4
12
28
13
2
14
6
15
1
16
5
17
3
18
27
19
26
20
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