Panasonic TH-42AS670S, Service Manual

Page: 32 / 82

TH-42AS670S
32
9 Block Diagram
9.1. Main Block Diagram
COLD HOT
(LED:9 TIMES)
(LED:7 TIMES)
(LED:1 TIME)
DECODER
AUDIO_OUT
TMDS DATA
SD CARD
LED/RM/CATS
C.A.T.S. SENSOR
TRANSPORT
LCD PANEL
STB3.3V
SOUND_SOS
VIDEO
PROCESSOR
P16V
PWM 1-6
Digital Video
Signal
TMDS DATA
DCDC
+16V
TU_1.8V
LED BACK LIGHT
KEY
DLIF_OUT
BL_SOS
SUB5V
ALIF_OUT
P15V
SWITCH
K10
DMD
+5V DCDC
TU_3.3V
LVDS Tx
SUB5V
TUNER
GK
POWER ON
A02A
L/R IN
TS_Parallel
SUB1.1V
REMOTE RECEIVER
HDMI3.3V
TUNER I/F
DCDC
PWM 1-6
SUB5V
SUB3.3V
HDMI1
P5
ARC_OUT
SW
TU_1.8V
PWM 1-6
POWER_ON
(MICON + VIDEO PRAUDIO PRO STM)
DMD1.2V
POWER ON
RECEIVER
SOUND_SOS STB3.3V
Analog Signal
REMOTE RECEIVER
ARC_OUT
DIGITAL_OUT
PANEL12V
EEPROM
SD CARD
SUB1.5V
LDO
+3.3V
WiFi
STM_I2C
CONTROL PANEL KEY
DCDC
K
OUT
LED
DRIVE
Peaks RESET
e-MMC_I/F
SPEAKER(L)
SUB3.3V
SUB3.3V
DDR3
SUB_ON
SUB+3.3V DET
L
LED
SW
LDO
+3.3V
PANEL
A12
+24V
SUB1.1V
POWER SUPPLY
JK7101
SUB5V
LINE
FILTER
e-MMC
SUB1.5V
REMOTE RECEIVER
Y,PB,PR
TU_3.3V
STB RESET
BL_SOS
P3
5.3VS
BL_ON
DCDC
A15,16
SUB3.3V
SUB3.3V
OVP DET
[HDMI DECODER/AD
(A Chip)
AUDIO
DCDC
BL_ON
Bluetooth
TMDS DATA
SUB_AI_3.3V
USB HIGH
SIDE SW
LED_R/G
WiFi
SUB_ON
SUB_ON
HDMI3
+24V
DDR_I/F
HDMI2
SUB1.1V
LAN
I/F
HDMI
I/F
TU_1.8V
STB3.3V
DIGITAL
SW
STM
+16V PNL12V
SUB5V
BOOSTER
SUB_AI_3.3V
GK4
STB5V
A10
R
KEY
SD DATA
P15V
BT3.3V
KEY
LLC
CONVERTER
LCD DRIVER
SUB3.3V
BT3.3V
P
COMPONENT IN
STB5V
C.A.T.S. SENSOR
AC CORD
MAIN
USB I/F
LAN CON.
DCDC
C.A.T.S. SENSOR
SUB1.5V
POWER SW
USB HIGH
SIDE SW
AV1
AMP
SUB3.3V
LED_R/G
USB
HUB
LED_R/G
LAN
SUB3.3V
ANALOG-ASIC
A
Digital Audio
Signal
P2
USB1,2
L/R
LED BACKLIGHT CON.
SOUND_SOS_DET
SPEAKER(R)
HDMI I/F
AVDDH3.3V(HDMI3.3V)
PNL12V
STB3.3V
SUB_ON
AUDIO
PROCESSOR
PEAKS-LD6
SUB5V
LDO
DMD1.2V
HDMI3.3V
AVDDH3.3V
DCDC
DMD1.2V