Panasonic TH-42LRU20 - Block Diagrams; Main and Detailed Block Diagrams

TH-42LRU20
21
9 Block Diagram
9.1. Main Block Diagram
(LED:7TIMES)
(LED:1TIMES)
(LED:4TIMES)
**
FSK
RECEIVER
+5.8VS
STB+5.8V
INTERNAL TA
RF IN
(SIDE)
FSK
SWITCH
V
A/D
CONVERTOR
POWER SUPPLY
DIGITAL SIGNAL PROCESSOR
AUDIO
TMDS DATA
KEYSCAN
INV_ON
L/R
AV2
A5
AMP
PC
(A Chip)
TA5
RELAY
A09
SLOT
DESCRAMBLE
A12
MPU
TV CLK/IR
HDMI1
TV DATA IN
STB5.8V
SD CARD
TV CLK/IR
AUDIO OUT
INV_ON
TV DATA OUT
TV DATA OUT TV DATA IN
(STM)
DATA
TV CLK/IR
(SIDE)
(MTI)
SERIAL CRTL DATA
RS232C
DTV_L/R
OPTICAL
AUDIO OUT
CPU BUS
C.A.T.S. SENSOR
INV_PWM
IFD_OUT
Peaks sLD
DTV12V
ATSC
DEMODURATOR
SIF_OUT
D/A
CONVERTOR
TMDS DATA
SOS DET
TV DATA IN
TV DATA OUT
STB
12V
POWER LED
12V
L/R
5V
TA
AV1
RF
OUT
P
PWM
AV SW
PRO:Ideom
CONTROL PANEL
ASSY
SOS DET
DVB_CVBS
RF
OUT
EXTERNAL TA
HDMI2
RF IN
R
LVDS DATA
BL_SOS
VIDEO
PROCESSOR
CPU BUS
I/F
A02
STB+3.3V
A
TUNER
L/R
INV_ON
R/G/B/H/V
PWM
REMOTE RECEIVER
V
HDMI I/F
5.8V
REMOTE RECEIVER
HP
TS Parallel
OPTICAL
BL_SOS
(D Chip)
V
TA5
STB5.8V
SIF
MTI
MTI DATA
STB+3.3V
TV DATA OUT
TV CLK/IR
RECEIVER
COMPONENT
V
L/R
BL_SOS
SPEAKER(L)
ANALOG-ASIC
Y/PB/PR,
R/G/B/H/V CVBS
OPTICAL OUT
AUDIO
(SIDE)
HDMI3
L
EEPROM
DTV12V
Y/PB/PR
SD CARD DATA
EEPROM
AUDIO
PROCESSOR
SUB_ON
SUB_ON
TS Parallel
C.A.T.S. SENSOR
OPERATION
BUTTON
SOUND17V
V
POWER LED
SPEAKER(R)
OUT
TMDS DATA
NAND
FLASH
LCD PANEL
PANEL
LVDS DATA
A15A
CONTROL
PANEL
PANEL12V
BACK LIGHT
P1
LINE
FILTER
P2
POWER
CONTROL
NEUTRAL
AC CORD
RECTIFIER
LIVE
17V
PROCESS
VOLTAGE
RECTIFIER
PFC
CONTROL
24V
PROCESS
VOLTAGE
RECTIFIER
P3,P4
TA
INV_PWM
K1
(LED:1TIMES)
SUB9V
SUB1.2V
SUB3.3V
TUNER5V
SUB1.8V
SUB5V
STB5V
DCDC
SUB9V
DCDC
SUB3.3V
DCDC
STB5V
DCDC
DCDC
SUB1.2V
SUB1.8V
TUNER5V
DCDC
DCDC
SUB5V
STB5V
DCDC
SUB5V
DTV12V
STB5V
OVP_DET
(LED:9TIMES)
DTV12V SENSE
SOUND SOS
C.A.T.S. SENSOR
STB_RESET
STB3.3V
SUB 3.3V SENSE
POWER LED(R)
REMOTE IN
SD CARD DATA
INV_PWM
(LED:9TIMES)
(LED:7TIMES)
(LED:4TIMES)
RXD
TXD
A10 V10