Sony KDL-55HX950 / KDL-55HX955 / KDL-65HX950 / KDL-65HX955 Service Manual ▷ View online
TROUBLE SHOOTING
3-12. Troubleshooting Reference
3-12-1. BAPS ( A Side )
Parts
Location
Parts
PWB Drawing Parts Location
IC6001
C
Note: Refer to each Troubleshooting
for details information.
for details information.
A
D
E B
IC6001
C
A
D
Parts
Parts
PWB Drawing Parts Location
IC6003
D
Location
g
F6001
A
IC6003
CN6001
E
F6001
F6003
CN6001
F6003
B
101
F6003
KDL-55/65HX950, 955
TROUBLE SHOOTING
3-12-2. BAPS ( B Side )
Parts
Location
Parts
PWB Drawing Parts Location
JL6001
C
Note: Refer to each Troubleshooting
for details information.
for details information.
JL6002
D
JL6001
JL6002
E
F
D
A
C
B
JL6005
Parts
Location
Parts
PWB Drawing Parts Location
E
Location
F4601
A
JL6005
JL6017
F
F4601
IC4601
JL6017
IC4601
B
102
KDL-55/65HX950, 955
SEC 4. DIAGRAMS
4-1. BLOCK DIAGRAM
4-1-1. KDL-55HX950 (for TAIWAN)
TCON
Ether
USB1
MS
H Con
USB2
TCON
P
A
N
N
E
L
Ether
PHY
TMDS1
DDC1
DDC1
USB
HUB
Current
Limit
USB3
Wifi
Wifi
[ASCOT2SR]
IF1
X_SYSTEM1_RST
Aerial
Silicon
Tuner
5V
Crystal
X_SYS
T
EM1_
RS
T
X
_
SYSTEM1_
R
ST
H Con.
LNA
−1333
2Gb
−1333
Muxed
2Gb
4Gb
DDR3
One
−
NAND
DDR3
[RTL8201F]
[TPS2553DBV]
Limit
[TPS2553DBV]
[GL850G]
12M
X’tal
4M
USB2
Current
5V
G
R
L)
PEH2
EMI_FAIL
GRS_CTRL2
GRS_CTRL1
TD Emitter
IF2
Ext Demod
DMD_RST
DMD_CLK_ENABLE1
I2CB
X’tal
41M
SW
Cable
DMD_CLK_ENABLE2
(CO only)
(CO only)
[JUNO]
IFAGC
EQ SW
HDMI1
(ARC)
HDMI2
DDC1
HPD1
CEC1
TMDS2
DDC2
TMDS2
DDC2
HPD2
CEC2
SYSTEM2_PWR
I2CA
X’tal
e
r
[Sil9287B]
DDC
2 5V
SYSTEM2_PWR
REG_12V
T-CON_VCC
DDC_5V_1
DDC_5V_2
IF1
1.5V
3.3V
TS
Reset
REG12V
1.2V
SYSTEM1_PWR
DDC
REG_12V
ARC
3.3->1
HDMI_ARC
48M
Push
X’tal
41M
HDMI3
DDC3
HPD3
CEC3
DDC_5V_3
TMDS3
T-CON_VCC (12V)
PEM_
W
D
T
/BINT
UA
R
T
_P
EM
_LO
G
X_
PEM_
RS
T
UART
D(PE
M C
T
R
SP
I_
B(P
E
M
D
L
)
MODE_PEM
Reset
X’tal
TMDS
DDC
CEC
Power_Control
MAIN_PWR
BACKLIGHT_ON
BACKLIGHT_MON
ACT_STBY
AC_MON
Pow
e
VIDEO_CV
VideoA_Det
COMP_Y
S1.8V
LDO
3.3V
LDO
LDO
5V
STBY 3.3V
2.5V
LDO
LDO
TCON-ON
DDC
REG12V
AUDIO_12V
REG_12V
I2CA (EQSW, Temp Sensor)
I2CB (Ext Demod/AudioAMP)
I2CB (Ext Demod/AudioAMP)
JTAG
S1.2V
LDO
/RST
AC_MON
AUDIO_12V
3.4V
LDO
LDO
SYSTEM2_PWR
[PST3629]
GND
8K
32.76
Push
HDMI4
DDC4
HPD4
CEC4
DDC_5V_4
TMDS4
SPI_B(PEM DL)
Temp
Sensor
Atreyu
PC_G
TL-JIG
UARTA(LOG)
COMP_LR
I2CA
UARTA (LOG)
UARTC(ECS)
COMP_Y
COMP_Pb
COMP_Pr
COMP_Pb
COMP_Pr
COMP
VIDEO_CV
COMP_Y, Pb, Pr
VideoB_Det
VideoB_Det
PC_G
PC B
PC B
Temp Sensor
Reset
UARTC (ECS/Hotel)
CVBS
VIDEO1_LR
UARTD (PEM)
LPF
PC_
R
GB_E
N
MODE_PEM
UART_PEM_LOG
[LM75B]
PC
KEY
PC_R,PC_G,PC_B,PC_H,PC_V
PC_LR
Line Out_LR
Power_KEY
KEY
PC_5V, PC_DDC
PC_CON_Det
HP/Line Out LR
HP_/ Line Out Det
PC_LR
COMP_LR
OPAMP
[TPA6138A2]
(Service)
PC_V
VIDEO1_LR
Tuner_LR
PC_B
PC_R
PC_H
PC_R
PC_H
Cr_Det
DMD_RST
DEBUG_LED2
DEBUG_LED3
DMD_CLK_ENABLE1
PANEL_PWR
DMD_CLK_ENABLE2
LOGO
HP/Line
Sircs
SIRCS
HP_DET
PC_RGB_EN
PC_RGB_EN
LPF
For HOTEL IR Pass through
For HOTEL IR Pass through
(GA/CH/HK/TW)
SW
SIRCS
HOTEL_IR_SW
Audio
Power AMP
SPDIF
Main
SPEAKER
Assist
SPEAKER
LED
LOGO
SONY
SPDIF
Light_Sensor_Det
STBY_LED
POWER_LED
HP/Line Out LR
[YDA175]
Audio
Power AMP
[YDA175]
Main Speaker_Out_LR
Tuner_LR
AC
_M
ON
POWE
R_
KE
Y
KE
Y
POWER_LED
RE
C_
LED
C_
LED
X_
SYSTEM1
SYSTEM1
_
DC_MON
KEY
Light_Sensor
_
ACT_STBY
DEB
U
G_LED
1
BACK
LIGHT_
X_
AUDIO
AUDIO
_
M
U
X_
AUDIO
AUDIO
_
M
U
PANEL_PWR
_
PC
_C
ON_
_C
ON_
D
E
T
CR
_D
ET
ET
TIMER_LED
PIC_MUTE_LED
LOGO
REC_LED
X_AUDIO_MON
STBY_LED
TIMER_
L
E
D
MA
IN_
P
WR
Light Sensor
Main Speaker_Out_LR
Atreyu_SPDIF
BACK
LIGHT_
O
SYSTEM2_P
W
SYSTEM1_P
W
P
IC_M
U
T
E_
L
L
E
HDMI_ARC
Out
NMI
DC_5V_Det
PS_STATUS (
n
HOTEL_IR_
S
W
X_PEM_RST
PEM_WDT/Panel
MODE_PEM
Assist Speaker_Out_LR
Assist Speaker_Out
X_SYSTEM1_RST
VI
DE
DE
OA
_DE
T
VI
DE
DE
OB
_DE
T
103
SPEAKER
LOGO
SONY
X_SYSTEM1_RST
X_AUDIO_MUTE1
H/L
Y
_
RST
_
Det
1
MON
U
TE1
U
TE2
_
Det
T
AUDIO_MON
O
N
W
R
R
W
R
R
E
D
Analog Video
Digital Video/TS/TMDS
Analog Audio
UART
Digital Audio
I2C
Analog Signal
PWM
SPI
Panelless
X_FAULT
n
o use)
W
less
T
T
KDL-55/65HX950, 955
DIAGRAMS
4-1-2. KDL-55HX950/ 65HX950 (for HONG KONG)
4-1. BLOCK DIAGRAM
TCON
Ether
USB1
MS
H Con
USB2
CI/CI+
(CI Slot for China only)
TCON
P
A
N
N
E
L
Ether
PHY
TMDS1
DDC1
DDC1
USB
HUB
Current
Limit
USB3
Wifi
Wifi
[ASCOT2SR]
IF1
X_SYSTEM1_RST
Aerial
Silicon
Tuner
5V
Crystal
X_SYS
T
EM1_
RS
T
X
_
SYSTEM1_
R
ST
H Con.
LNA
−1333
2Gb
−1333
Muxed
2Gb
2Gb
(4Gb for HK model)
DDR3
One
−
NAND
DDR3
[RTL8201F]
[TPS2553DBV]
Limit
[TPS2553DBV]
[GL850G]
12M
X’tal
4M
USB2
Current
5V
G
R
L)
PEH2
EMI_FAIL
GRS_CTRL2
GRS_CTRL1
TD Emitter
IF2
Ext Demod
DMD_RST
DMD_CLK_ENABLE1
DMD_CLK_ENABLE2
I2CB
X’tal
41M
SW
Cable
[ZHUI2]
TS1
CI/CI+
5V
Current
Limit
EQ SW
HDMI1
(ARC)
HDMI2
DDC1
HPD1
CEC1
TMDS2
DDC2
TMDS2
DDC2
HPD2
CEC2
SYSTEM2_PWR
I2CA
X’tal
e
r
[Sil9287B]
DDC
2 5V
SYSTEM2_PWR
REG_12V
T-CON_VCC
DDC_5V_1
DDC_5V_2
IF1
1.5V
3.3V
TS
Reset
REG12V
1.2V
SYSTEM1_PWR
DDC
REG_12V
ARC
3.3->1
HDMI_ARC
48M
Push
X’tal
41M
HDMI3
DDC3
HPD3
CEC3
DDC_5V_3
TMDS3
T-CON_VCC (12V)
PEM_
W
D
T
/BINT
UA
R
T
_P
EM
_LO
G
X_
PEM_
RS
T
UART
D(PE
M C
T
R
SP
I_
B(P
E
M
D
L
)
MODE_PEM
Reset
X’tal
TMDS
DDC
CEC
Power_Control
MAIN_PWR
BACKLIGHT_ON
BACKLIGHT_MON
ACT_STBY
AC_MON
Pow
e
VIDEO_CV
VideoA_Det
COMP_Y
S1.8V
LDO
3.3V
LDO
LDO
5V
STBY 3.3V
2.5V
LDO
LDO
TCON-ON
DDC
REG12V
AUDIO_12V
REG_12V
I2CA (EQSW, Temp Sensor)
I2CB (Ext Demod/AudioAMP)
I2CB (Ext Demod/AudioAMP)
JTAG
S1.2V
LDO
/RST
AC_MON
AUDIO_12V
3.4V
LDO
LDO
SYSTEM2_PWR
[PST3629]
GND
8K
32.76
Push
HDMI4
DDC4
HPD4
CEC4
DDC_5V_4
TMDS4
SPI_B(PEM DL)
Temp
Sensor
Atreyu
PC_G
TL-JIG
UARTA(LOG)
COMP_LR
I2CA
UARTA (LOG)
UARTC(ECS)
COMP_Y
COMP_Pb
COMP_Pr
COMP_Pb
COMP_Pr
COMP
VIDEO_CV
COMP_Y, Pb, Pr
VideoB_Det
VideoB_Det
PC_G
PC B
PC B
Temp Sensor
Reset
UARTC (ECS/Hotel)
CVBS
VIDEO1_LR
UARTD (PEM)
LPF
PC_
R
GB_E
N
MODE_PEM
UART_PEM_LOG
[LM75B]
PC
KEY
PC_R,PC_G,PC_B,PC_H,PC_V
PC_LR
Line Out_LR
Power_KEY
KEY
PC_5V, PC_DDC
PC_CON_Det
HP/Line Out LR
HP_/ Line Out Det
PC_LR
COMP_LR
OPAMP
[TPA6138A2]
(Service)
PC_V
VIDEO1_LR
Tuner_LR
PC_B
PC_R
PC_H
PC_R
PC_H
Cr_Det
DMD_RST
DEBUG_LED2
DEBUG_LED3
DMD_CLK_ENABLE1
PANEL_PWR
DMD_CLK_ENABLE2
LOGO
HP/Line
Sircs
SIRCS
HP_DET
PC_RGB_EN
PC_RGB_EN
LPF
For HOTEL IR Pass through
For HOTEL IR Pass through
(GA/CH/HK/TW)
SW
SIRCS
HOTEL_IR_SW
Audio
Power AMP
SPDIF
Main
SPEAKER
Assist
SPEAKER
LED
LOGO
SONY
SPDIF
Light_Sensor_Det
STBY_LED
POWER_LED
HP/Line Out LR
[YDA175]
Audio
Power AMP
[YDA175]
Main Speaker_Out_LR
Tuner_LR
AC
_M
ON
POWE
R_
KE
Y
KE
Y
POWER_LED
RE
C_
LED
C_
LED
X_
SYSTEM1
SYSTEM1
_
DC_MON
KEY
Light_Sensor
_
ACT_STBY
DEB
U
G_LED
1
BACK
LIGHT_
X_
AUDIO
AUDIO
_
M
U
X_
AUDIO
AUDIO
_
M
U
PANEL_PWR
_
PC
_C
ON_
_C
ON_
D
E
T
CR
_D
ET
ET
TIMER_LED
PIC_MUTE_LED
LOGO
REC_LED
X_AUDIO_MON
STBY_LED
TIMER_
L
E
D
MA
IN_
P
WR
Light Sensor
Main Speaker_Out_LR
Atreyu_SPDIF
BACK
LIGHT_
O
SYSTEM2_P
W
SYSTEM1_P
W
P
IC_M
U
T
E_
L
L
E
HDMI_ARC
Out
NMI
DC_5V_Det
PS_STATUS (
n
HOTEL_IR_
S
W
X_PEM_RST
PEM_WDT/Panel
MODE_PEM
Assist Speaker_Out_LR
Assist Speaker_Out
X_SYSTEM1_RST
VI
DE
DE
OA
_DE
T
VI
DE
DE
OB
_DE
T
104
SPEAKER
LOGO
SONY
X_SYSTEM1_RST
X_AUDIO_MUTE1
H/L
Y
_
RST
_
Det
1
MON
U
TE1
U
TE2
_
Det
T
AUDIO_MON
O
N
W
R
R
W
R
R
E
D
Analog Video
Digital Video/TS/TMDS
Analog Audio
UART
Digital Audio
I2C
Analog Signal
PWM
SPI
Panelless
X_FAULT
n
o use)
W
less
T
T
KDL-55/65HX950, 955
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