Panasonic TH-C46FD18A, Service Manual

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31
9 Block Diagram
9.1. Block Diagram (1/6)
(LED:11TIMES) (LED:11TIMES)
(LED:12TIMES) (LED:12TIMES)
(LED:12TIMES) (LED:12TIMES)
(LED:10TIMES) (LED:10TIMES)
(LED:10TIMES) (LED:10TIMES)
KEY SWITCH
+5V(STB)
R,G,B
KEYSCAN1
+5V(S)
+15V(SND)
HDMI I/F
RECEIVER
SD CARD DATA
FPGA
SUB+1.2V
Y,C,V
FAN CONTROL
STB+3.3V
SUB+5V
S
OPTICAL OUT
COMP1
K1
+9V(S)
PC
OPTICAL OUT
POWER LED
FAN_A-C
from P7
DTV AUDIO
A7
GenX5
SPEAKER(L)
LED(R)
SWITCH
PB37
+5V(S)
REMOTE RECEIVER
PANEL SOS
KEYSCAN3
G51
RESET
FAN SOS
K
L,R
POWER LED(R)
L,R
IIC1
OSD_16bit
PROCESSOR
+9V(S)
KEYSCAN1
SD CARD
MONITOR
L,R
ON
VIDEO SW
L,R
SUB+1.8V SUB+9V
SUB+9V DET
+3.3V(STB)
VIDEO1
DIGITAL SIGNAL PROCESSOR
OUT
EEPROM
TUNER SOS
FRONT END
PROCESSOR
AI SENSOR
HDMI
EQUALIZER
A30
V
GS09
+3.3V(S)
SOUND SOS DET
CIRCUIT
AUDIO AMP
A
+3.3V(STB)
+15V(FAN)
A11
DVB VIDEO R/G/B_24bit
DCDC
from
to D5
DCDC
Peaks Lite2p
REMOTE
RECEIVER
+3.3V(S)
S2
PB31
SOUND SOS
DIGITAL VIDEO DATA
GH11
+5V(S)
PB30
HDMI2
A12
+3.3V(S)
STB MCU
FRONT TERMINAL
HDMI3
L,R
A5
OSD_6bit
SUB+3.3V DET
+30V(BT)
PB32
SUB+5V DET
SOUND SOS
CH0 DATA
OPTICAL OUT
HDMI3 IN
FSTB+15V
FAN CONT
RESET
DCDC
V
+3.3V(S)
+9V(S)
+3.3V(S)
VIDEO2
A52
GH
HDMI1
FAN SOS DET
TUNER SOS
DTV_V
SBO2
SBI2
CIRCUIT
REMOTE IN
BT+30V
GS
FSTB+15V
FAN POWER
L,R
HDMI AUDIO
R/G/B
L,R
TUNER SOS DET
CIRCUIT
+3.3V(S)
Y,PB,PR
F15V
+9V(S)
SD BOOT
PB
+15V(S)
A1
KEY SWITCH
+15V(SND)
L,R
Y,PB,PR
SOUND
10bit A/D
SUB+3.3V
G
+1.8V(S)
+15V(FAN)
A3
AUDIO SW
PANEL STB_ON
DCDC
Y,C,V
PANEL STATUS
TUNER
L,R
OPTICAL
SD CARD DATA
LVDS DATA
DTV AUDIO
P6
PWM AUDIO OUT
DDR2
SD CARD SLOT
+30V(BT)
L,R
A51
V,Y,C
SPEAKER(R)
to D3
SLOT
POWER
FAN SOS AUDIO
COMP2
FAN CONT
+5V(S)
+5V(S)
POWER SWITCH
+5V(S)
LVDS DATA
+15V(FAN)
A6
CH0 DATA
+9/7.2V
+3.3V(STB)
DVB VIDEO R/G/B_24bit
MONITOR
OUT
RESET
CLKGEN
+1.2V(S)
+5V(STB)
(LED:11TIMES)
(LED:12TIMES)
(LED:12TIMES)
(LED:10TIMES)
(LED:10TIMES)
TH-C46FD18A
Block (1/6) Diagram TH-C46FD18A
Block (1/6) Diagram