1-3. Block Diagram - Sony KDL-32EX421 Service Manual

1-3. BLOCK DIAGRAM

X'tal 27MHz
27M
Silicon
Satellite Zero-IF
LNA Tuner Ext Demod
IFAGC
Cable
[HORUS3] [SEKITO2]
SW
X'tal
4M Silicon
Aerial IF2
LNA Tuner Ext Demod
IFAGC
[ASCOT2Sip] IF1 [GAIA1a]
X_SYSTEM1_RST
TMDS1
HDMI1 DDC1
DDC_5V_1
(ARC) HPD1
ARC
CEC1
TMDS2
EQ SW
DDC2
HDMI2 DDC_5V_2
HPD2 [Sil9287B]
CEC2
TMDS3
DDC3
HDMI3 DDC_5V_3
HPD3
3.3->1
CEC3
TMDS4
DDC4
HDMI4 DDC_5V_4
HPD4
CEC4
VideoA_Det
VIDEO_CV
CVBS
VIDEO1_LR
COMP
COMP_Y, Pb, Pr
VideoB_Det
COMP2_LR
Cr_Det
PC_CON_Det
PC_R,PC_G,PC_B,PC_H,PC_V
PC
PC_LR
PC_5V, PC_DDC
HP/Line
HP_/ Line Out Det
HP/Line Out LR
Out
SPDIF SPDIF
Main
Main Speaker_Out_LR
SPEAKER
X_FAULT AUDIO_MON
X_AUDIO_MUTE2
X_AUDIO_MUTE1
Digital Video/TS/TMDS Digital Audio PWM
Analog Video Analog Audio Analog Signal
KDL-32EX421/32EX423/32EX520/32EX521/32EX523/40EX520/40EX521/40EX523/46EX520/46EX521/46EX523
MS
DiSEqC_Out
DDC
DiSEqC_In
[LNBH23]
TS2
I2CB
DMD_CLK_ENABLE2
DMD_CLK_ENABLE1
DMD_RST
Current
Limit
[MIC2005]
0
0
TS1
I2CB
X'tal
41M
I2CA
TS
X'tal
41M
IF1
TMDS
DDC
CEC
COMP_Y
VIDEO_CV
COMP_Y
COMP_Pb
COMP_Pr
PC_G
PC_B
PC_R
PC_H
PC_V
Tuner_LR
VIDEO1_LR
COMP2_LR
PC_LR
Line Out_LR
OPAMP
[NJU72040V]
TV_Out_LR
Tuner_LR
Atreyu_SPDIF
Main Speaker_Out_LR
[D–510D]
OPAMP
Audio
[NJU72011RB]
Power AMP
[D–510D]
X_SYSTEM1_RST
UART SPI
I2C
KDL-32EX421/32EX423/32EX520/32EX521/32EX523/40EX520/40EX521/40EX523/46EX520/46EX521/46EX523
USB1
Ether
USB2
H Con.
USB4 Current Current
USB3
Limit Limit
BD
Wifi [TPS2553DBV] [TPS2553DBV]
One –
USB Ether
NAND
HUB PHY
Muxed
[GL850G] [RTL8201E]
2Gb
Crystal
12M
Atreyu
H/L
Panelless
DDR3
–1333
2Gb
DDR3 BACKLIGHT
–1333
2Gb
LVDS_ODD
LVDS_EVEN
X'tal
48M Reset
Push
X'tal
AC_MON
32.76
8K
Reset
[PST3629]
GND
I2CA (EQSW, Temp Sensor, Hotel Clock)
I2CB (Ext Demod)
I2CC (Panel, RGB Sensor)
UARTA (LOG)
UARTB (RF-Remote)
UARTC (IR Blaster/ECS)
X_Hotel_PWR_CTRL
DIMMER
DMD_CLK_ENABLE2
DIMMER_DC
LOGO
DEBUG_LED2
DEBUG_LED3
PANEL_PWR
DMD_CLK_ENABLE1
DMD_RST
X_WIFI_RST
HP_DET
SPDIF_SEL
X_AUDIO_MON
HDMIEQ_INT
TCON
P
A
N
E
L
SYSTEM2_PWR SYSTEM1_PWR
1.5V
1.2V
DDC REG_12V DDC REG_12V
SYSTEM2_PWR T-CON_VCC
SYSTEM2_PWR
3.3V
REG12V
DDC
REG_12V
DDC REG_12V
REG12V
5V
SYSTEM2_PWR
AUDIO_12V
AUDIO_12V
3.3V 3.4V S1.2V S1.8V
2.5V
STBY 3.3V
LDO LDO LDO LDO
LDO
TCON-ON
DIMMER_DC
DIMMER
BACKLIGHT_ON
BACKLIGHT_MON
MAIN_PWR
AC_MON
PFC_PWR
DIMMER2
PEM_LOG
UARTA(LOG)
UARTD
MODE_PEM
Reset
UARTC(Hotel/ECS)
I2CA(Hotel_Clock)
SIRCS
Temp
I2CA
Sensor
Temp Sensor
[LM75B]
SIRCS
Sircs
Power_KEY
KEY
KEY
UARTE
Light_Sensor_Det Light Sensor
Human_Sensor_Det
Human Sensor
POWER_LED
STBY_LED
TIMER_LED
LED
REC_LED
PIC_MUTE_LED
9