Read Sony KDL-46HX825 / KDL-55HX825 Service Manual online
10
KDL-46HX825/55HX825
KDL-46HX825/55HX825
ENGINEERING BLOCK DIAGRAM
TCON
Reset
Ether
PHY
X’tal
Temp
Sensor
Audio
Power AMP
EQ SW
XReality
HDMI1
(ARC)
HDMI2
HDMI3
HDMI4
SPDIF
Main
SPEAKER
Ether
RF Remote
KEY
LED
TMDS1
DDC1
DDC1
HPD1
CEC1
TMDS
DDC
CEC
SPDIF
Line Out_LR
Power_Control
MAIN_PWR
UARTB
Power_KEY
KEY
Light_Sensor_Det
STBY_LED
POWER_LED
TL-JIG
UARTA(LOG)
UARTC(Hotel/ECS)
BACKLIGHT_ON
DIMMER
BACKLIGHT_MON
TMDS2
DDC2
DDC2
HPD2
CEC2
DDC3
HPD3
CEC3
DDC4
HPD4
CEC4
SYSTEM2_PWR
Human Sensor
Human_Sensor_Det
HP/Line Out LR
HP_/ Line Out Det
X_SYSTEM1_RST
X_AUDIO_MUTE1
PFC_PWR
OPAMP
Main Speaker_Out_LR
AC_MON
I2CA
I2CA
X’tal
DIMMER_DC
USB2
Current
Limit
USB1
USB
HUB
X’tal
Power
Tuner_LR
Current
Limit
USB3
Wifi
AC_M
ON
PFC_MON
POWER_KE
Y
POWER_LED
REC_LED
X_SYSTEM1_RST
DIMMER
DC_MON
KEY
Light_Sensor_Det
UARTA (LOG)
PFC_PWR
DEBUG_LED1
Human_Sensor_Det
UARTD
UARTD (PEM)
PANEL_SEL
5V
DDC
I2CB
I2CB
Cable
Silicon
Tuner
X’tal
Aerial
Silicon
Tuner
Ext Demod
Zero-IF
IF1
X’tal
LNA
Ext Demod
X’tal
DiSEqC_Out
IFAGC_T
IF2
IFAGC
DiSEqC_In
27MHz
SW
X_SYSTEM1_RST
IFAGC_S
PC
PC_G
PC_B
PC_R
PC_H
PC_V
PC_R,PC_G,PC_B,PC_H,PC_V
PC_LR
PC_5V, PC_DDC
PC_CON_Det
VideoB_Det
PC_LR
VIDEO1_LR
COMP2_LR
Tuner_LR
VideoA_Det
VIDEO_CV
COMP_Y
COMP_Pb
COMP_Pr
VIDEO_CV
Cr_Det
S1.8V
LDO
3.3V
LDO
DDC
5V
STBY 3.3V
2.5V
LDO
LDO
TCON-ON
SYSTEM2_PWR
DDC
REG_12V
T-CON_VCC
REG12V
AUDIO_12V
REG_12V
BACKLIGHT_MON
X_AUDIO_MUTE1
X_AUDIO_MUTE2
PANEL_PWR_Det
5V
UARTE
PC_CON_DE
T
Crystal
X_RF_RST
VIDEOA_DET
VIDEOB_DE
T
CR_D
ET
TIMER_LED
PIC_MUTE_LED
REC_LED
Temp Sensor
X_Hotel_PWR_CTRL
Current
Limit
5V
3D_CON_Det
I2CA (EQSW, Temp Sensor, Hotel Clock)
I2CB (Ext Demod)
LOGO
DMD_RST
X_AUDIO_MON
STBY_LED
TIMER_LED
MAIN_PW
R
MAIN_SS_MON
DIMMER_DC
DDC_5V_1
DDC_5V_2
DDC_5V_3
DDC_5V_4
TMDS3
TMDS4
Satellite
TS2
TS1
LNA
Hotel /ECS
Light Sensor
X_FRC_RST
SA_MODE
FRC_PW
R_CTRL
TCON_RDY
LR_FLAG
IF1
Main Speaker_Out_LR
S1.2V
LDO
PEM_LOG
I2CA(Hotel_Clock)
AUDIO_MON
DEBUG_LED2
DEBUG_LED3
DMD_CLK_ENABLE1
PANEL_PWR
Atreyu_SPDIF
BACKLIGHT_ON
SYSTEM2_PWR
SYSTEM1_PWR
PIC_MUTE_LE
D
1.5V
3.3V
MODE_PEM
I2CC (Panel, RGB Sensor)
DMD_CLK_ENABLE2
HDMIEQ_INT
DMD_RST
DMD_CLK_ENABLE1
DMD_CLK_ENABLE2
X_SYSTEM1_RS
T
X_
SYSTEM1_RST
Reset
SIRCS
UARTB (RF-Remote)
UARTC (IR Blaster/ECS)
Analog Video
Digital Video/TS/TMDS
Analog Audio
I2C
Analog Signal
PWM
SPI
MS
TS
Panelless
AC_MON
Reset
H Con.
HP/Line
Out
Assist
SPEAKER
Audio
Power AMP
Assist Speaker_Out_LR
Assist Speaker_Out
X_SYSTEM1_RST
X_FAULT
Sircs
SIRCS
AUDIO_12V
REG12V
SYSTEM2_PWR
DDC
1.2V
SYSTEM1_PWR
DDC
REG_12V
3.4V
LDO
SYSTEM2_PWR
CVBS
COMP
Conversion
X_RF_RS
T
NMI
X_HOTEL_PWR_CTRL
DATA
1
HP_DET
X_WIFI_RST
SPDIF_SEL
DIMMER2
ARC
COMP_Y
COMP2_LR
VIDEO1_LR
LOGO
LOGO
RGB Sensor
I2CC
3.3->1
LVDS_ODD
LVDS_EVEN
T-CON_VCC (12V)
PEH2
SA_MODE/L
UT
_SEL0
PEM_WDT/XBUSY/BINT
PEM_LOG_TX
UARTD_RX/FE_RX_PEM_T
X
X_
PEM_RST/LUT_SEL2/X_FRC_RS
T
I2C_C
UARTD_TX/FE_TX_PEM_RX
DL_C
S
DL_CLK
DL_DO
PEM_LOG_RX
MODE_PEM/TCON_RDY
COMP_Y, Pb, Pr
REG_12V
[NJU72040V]
H / L
Digital Audio
UART
BINT Panel less
27M
[HORUS3]
4M
[ASCOT2Sip]
[HYDRA5]
[SEKITO2]
41M
[Sil9287B]
[D–510D]
[D–510D]
41M
0
0
[LNBH23]
[MIC2005]
[TPS2553DBV]
[TPS2553DBV]
[GL850G]
12M
[RTL8201E]
One –
NAND
Muxed
2Gb
DDR3
–1333
2Gb
DDR3
–1333
2Gb
GND
32.76
8K
48M
[PST3629]
Push
[LM75B]
SONY
P
A
A
N
E
L
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