Block (1 Of 3) Diagram - Panasonic TH-47LFX6U Service Manual

8.3.

Block (1 of 3) Diagram

A DIGITAL SIGNAL PROCESSOR
HDBase T
IC2401
Receiver
JK2401 HDMI BUS
LAN
DATA
HDBase-T/ MICOM BUS
Ether
LVDS_CLK
HD_I2C0
LAN TERMINAL
LAN3.3V
25MHZ
CLK
+3.3V
MII DATA
MII_TXD/
+1.8V
MII_RXD
VCC
SDA/
+1.1V
SCL EEPROM
RESET
IC2404
IC2706
EEPROM
A51 IC2705
FOR WP
VCC SPI
FACTORY SDA/
SCL FLUSH
USE
MEMORY
LAN3.3V
CONTROL IIC
A52
FOR
IC2402
FACTORY
USE
IC2905
RESET
+1.1V
P1
AC CORD
1
Fuse
AC Vin
FILTER
(Live) Detection
2
ON/OFF
Delay
circuit
ON/OFF
COLD COLD HOT HOT
Power
factory
correction
D
G
S
Start/
Stop
LAN3.3V
CPG
NETWORK
IC2704
CONTROLER
MII_MDC
10/100 HDBT_5VDET
EtherMAC
MII_TXD w/FIFO HDMI1_HPD
MII_RXD
TXD1
UART
RXD1
IC2904
Q2706
+3.3V +3.3V
IC2902
SPI
+1.8V +1.8V
IIC_IF
X2701
IC2903
25MHZ
+5V
V11
RM1501 REMOTE REMOTE
3
REMOTE D1501
V1 POWER LED G_LED_ON
RECEIVER G
5
R_LED_ON
R
REMOTE RECEIVER 4
SN1501 POWER LED
C.A.T.S
C.A.T.S. SENSOR
6
C.A.T.S. STB5V_SW
SENSOR 1
D3.3V
7
V2 CONTROL PANEL
OPERATION
V22
BUTTON
SW1551
KEY
8
STB5V_SW
7
STB5V_SW
ON
5
STB5V_SW
3
STB5V
4
HOT HOT COLD COLD
PHOTO
COUPLER
Stanby converter T201
P6
STB5V
D
STB5V
G 5
S FET SW
ON/OFF
5V_ON
7
OVP(Latch)
SWITCH1
5V over 6
FEED BACK
PHOTO
voltage
RELAY_ON
COUPLER detection
4
PHOTO
COUPLER
16V over
24V over
voltage
voltage P5
detection
detection
Sub converter
T301
+24V
1
+24V
2
MCU5V
+15.7V
5
D
MCU5V
6
G
S
MAIN_ON
11
FEED BACK
PHOTO
P4
COUPLER
LINE_OFF
11
Main converter
+15V
T401
1
+15V
On/Off
2
D
CONTROL
+15V
3
G +24V 24V_EN
S
8
D
DCR_VBR
9
G BL_ON
S 10
7
FEED BACK
PHOTO
COUPLER
P2
24V_ON
PHOTO
RELAY_ON 24V
COUPLER
1
24V
5
MAIN_ON P3
PHOTO
RELAY_ON
COUPLER 24V
1
24V
5
STATUS
11
SUB_ON
BL_ON
RELAY_ON 12
DCR_VBR
DCR_VBR
13
JK3504
RS232C_IN
(SEIRIAL IN)
3
TMDS DATA CLOCK
DDC IIC
D5V Q4705
Q4706
LAN_TXD
I2C_CONT
LAN_RXD
BUS_CONT
NT_RST
HDBT_BOOTSEL RXD_PC RXD_232C
HDBTMC_RXD TXD_232C
TXD_PC
HDBTMC_TXD
PMS_RX
VCC RS232C
PMS_TX IC3500
DRIVER
HDBT232C_RXD
3V_I2C2
HDBT232C_TXD
IC4004
5V_I2C1
PWR15V
HD_I2C0
LAN3.3V_ON/OFF
Q4969
A11
Q4970
IR_IN
3
LED_GREEN
5
Q4971
LED_RED
4
LIGHT_DET
6
Q4972
HDMI_PW_EN
1
7
Q4703,04
HDMI_RESET
A22
PWR5V
KEY0
8
7
5
3
KEY_POWER
4
KEY_MUTE
Q4136
Q4128
A5
KEY_LOCK
IC4901
D+3.3V
STB5V_SW PWR5V
SWITCH1
+3.3V
STB5V
11
Q4964
P5V_EN
15
14 Q4134 D5V
Q4138
13
Q4139
Q4117
5VD_POWER
PWR24V
1
2 MAIN_EN
PWR15V
5
6
PWR5V
P15V_24V_EN D4165
PWR5V SOS
9
PWR15V SHORT SOS
A4
LINE_OFF
IC4904
11 PWR24V_S
1
+12V
2
3
P24V_EN
8
DCR_VBR PWM1
9
BL_ON
10
VCC12V
PANEL
BACK LIGHT
PANEL
INVERTER
CONTROL
CIRCUIT
LVDS DATA
LCD PANEL
45
TH-47LFX6U/TH-47LFX6W
JK3503
JK4002 JK4004
PC/DVI
DVI-D IN AUDIO IN
HDMI IN1
2
FOR
FACTORY
USE
IC4705
D5V
D5V
IC4703
Q4026
1
5V_I2C1
D5V
IC4704
3V_I2C2
Q4701
Q4702 H3V_I2C1
IIC
5V->3V
H3.3V
H3.3V
HDMI 1.4
IC4701
PORT PROCESSOR
H1.2V
RST HDMI_INT HDMI_CEC
3.3V D3.3V
2
VCC
PWR5V 3
4
5
SHORT SOS
DDR1.8V
6
STB5V_SW
D3.3V
D5V Q4094
D4161,62,64
Q4963
Q4091,93,95
7
8
9
10
11
Q4381,4097 STB5V_SW
PWR5V
Q4087
D4403,D4169
SHORT SOS
OVP DET
STB5V_SW
D4400
PANEL12V
Q4099
D4401
D4174
Q4100
SHORT SOS
+9V
A1 D4402
13
48 PANEL12V
51
Q4380
47
SHORT SOS
9V 14
15
IC4905
11
LVDS DATA
16
41
PWR24V_S
17