Read Sony KDL-55HX920 / KDL-65HX920 (serv.man2) Service Manual online
KDL-55/65HX920(K)
87
SEC 4. DIAGRAMS
4-1. BLOCK DIAGRAM
Cable
Satellite
HDMI1
(ARC)
Aerial
HDMI2
HDMI3
HDMI4
CVBS
COMP
Conversion
PC
SPDIF
HP/Line
Out
Assist
SPEAKER
Main
SPEAKER
Analog Video
Digital Video/TS/TMDS
Analog Audio
UART
Digital Audio
Analog Signal
PWM
I2C
SPI
X_AUDIO_MUTE1
X_FAULT
X_SYSTEM1_RST
AUDIO_MON
Audio
Power AMP
Audio
Power AMP
Main Speaker_Out_LR
Assist Speaker_Out
X_SYSTEM1_RST
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
OPAMP
[NJU72040V]
Main Speaker_Out_LR
Assist Speaker_Out_LR
Tuner_LR
Atreyu_SPDIF
Line Out_LR
PC_LR
COMP2_LR
VIDEO2_LR
VIDEO1_LR
Tuner_LR
PC_G
PC_B
PC_R
PC_H
PC_V
VIDEO_CV
COMP_Y
COMP_Pb
COMP_Pr
COMP_Y
VideoB_Det
Cr_Det
COMP2_LR
VIDEO_CV
VIDEO1_LR
COMP_Y, Pb, Pr
VideoA_Det
CEC3
DDC4
HPD4
CEC4
DDC_5V_4
TMDS4
3.3->1
CEC2
DDC3
HPD3
DDC_5V_3
TMDS3
TMDS2
DDC2
DDC2
HPD2
DDC_5V_2
TMDS1
DDC1
DDC1
HPD1
CEC1
DDC_5V_1
ARC
X_SYSTEM1_RST
EQ SW
I2CA
TS
X’tal
IF1
TMDS
DDC
CEC
X’tal
LNA
SW
X’tal
LNA
Silicon
Tuner
Silicon
Tuner
Ext Demod
IFAGC
Ext Demod
IFAGC
IF1
X’tal
IF2
Zero-IF
27MHz
I2CB
TS1
TS2
DiSEqC_Out
DiSEqC_In
DDC
I2CB
DMD_RST
DMD_CLK_ENABLE1
DMD_CLK_ENABLE2
5V
Current
Limit
MS
H Con.
USB4
Camera
USB3
Wifi
USB2
USB1
5V
Current
Limit
USB
HUB
Crystal
5V
X_SYS
TEM1_
RS
T
Current
Limit
Ether
PHY
X
_
SYSTEM1_
RST
Ether
LVDS_ODD
LVDS_EVEN
TCON
PEH2
SA_MODE/L
U
T
_
SEL0
PE
M
_
WDT/XBUSY/BI
NT
X
_
PEM
_
RST/LUT_SEL2/X_FRC_RS
T
MO
DE_PEM/TCON_RDY
PEM_LOG_TX
UARTD_
RX/FE
_
R
X
_
P
E
M
_
T
X
I2C_
C
UAR
TD_TX/F
E
_
TX_PEM_RX
DL_CS
DL_CLK
DL_DO
PEM_LOG_RX
T-CON_VCC (12V)
SYSTEM2_PWR
SYSTEM1_PWR
1.5V
DDC
REG_12V
1.2V
DDC
STBY 3.3V
T-CON_VCC
REG12V
AUDIO_12V
AUDIO_12V
AUDIO_12V
REG12V
Power
REG_12V
SYSTEM2_PWR
SYSTEM2_PWR
SYSTEM2_PWR
DDC
REG_12V
3.3V
5V
DDC
S1.8V
LDO
3.3V
LDO
LDO
S1.2V
LDO
3.4V
LDO
LDO
2.5V
LDO
LDO
Power_Control
BACKLIGHT_ON
DIMMER
BACKLIGHT_MON
DIMMER_DC
TCON-ON
MAIN_PWR
PFC_PWR
AC_MON
DIMMER2
UARTA(LOG)
UARTD
PEM_LOG
MODE_PEM
Reset
UARTC(Hotel/ECS)
I2CA(Hotel_Clock)
SIRCS
TL-JIG
Hotel /ECS
Temp Sensor
X’tal
X’tal
AC_MON
Reset
Reset
/RST
JTAG
I2CA (EQSW, Temp Sensor, Hotel Clock)
I2CB (Ext Demod)
I2CC (Panel, RGB Sensor)
UARTA (LOG)
UARTD (PEM)
UARTB (RF-Remote)
UARTC (IR Blaster/ECS)
X_Hotel_PWR_CTRL
Tuner_Sig_Det
Temp
Sensor
I2CA
DIMMER
LOGO
DIMMER_DC
DMD_CLK_ENABLE2
DEBUG_LED2
DMD_RST
DEBUG_LED3
DMD_CLK_ENABLE1
PANEL_PWR
HP_DET
X_WIFI_RST
X_AUDIO_MON
HDMIEQ_INT
SPDIF_SEL
Sircs
SIRCS
UARTB
Power_KEY
KEY
UARTE
X_RF_RST
RF Remote
KEY
LED
Human Sensor
Light Sensor
LOGO
RGB Sensor
Light_Sensor_Det
Human_Sensor_Det
I2CC
STBY_LED
POWER_LED
TIMER_LED
PIC_MUTE_LED
REC_LED
LOGO
3D_CON_Det
DC_MON
KEY
Light_Sensor_Det
Hum
a
n_Sensor_Det
PANEL_SEL
BACK
LIGHT_MON
PANEL_PWR_Det
AC
_M
ON
PFC_MON
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
POWE
R_
KEY
KEY
DEB
UG_LE
D1
X_
RF_
RF_
R
ST
X_
HOTEL_
HOTEL_
P
W
R
R
_
C
T
RL
POWER_LED
RE
C_
LED
C_
LED
X_SYSTEM1_RST
PFC_PWR
X_AUDIO
_MUTE1
X_AUDIO
_MUTE2
BACK
LIGHT_
ON
NMI
VI
DE
DE
OA
_DET
VI
DE
DE
OB
_DE
T
PC
_C
ON_
ON_
D
ET
CR
_D
ET
ET
X_
FRC
FRC
_
R
ST
SA_MODE
LR_FLAG
FR
C_
PW
C_
PW
R_
CTRL
CTRL
BI
N
N
T
Pa
nel less
TC
O
O
N
_R
DY
DY
DATA
1
Panelless
Atreyu
REG_12V
27M
4M
41M
12M
48M
GND
32.76
8K
Push
41M
0
0
[HORUS3]
[SEKITO2]
[LNBH23]
[MIC2005]
[TPS2553DBV]
[TPS2553DBV]
[GL850G]
[RTL8201E]
[PST3629]
[LM75B]
SONY
One –
NAND
Muxed
2Gb
DDR3
–1333
2Gb
DDR3
–1333
2Gb
[GAIA1a]
[D–510D]
[D–510D]
[Sil9287B]
[ASCOT2Sip]
P
A
A
N
E
L
H / L
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