Panasonic TH-P42X20D, Service Manual

Page: 31 / 112

31
9 Block Diagram
9.1. Main Block Diagram
PUSH
(LED:3TIMES)
(LED:4TIMES)
(LED:8TIMES)
(LED:6TIMES)
(LED:5TIMES)
(LED:10TIMES)
(LED:2TIMES)
(LED:7TIMES)
(LED:9TIMES)
(LED:7TIMES)
COLD HOT
(LED:4TIME)
(LED:8TIME)
(LED:6TIMES)
ANALOG-ASIC
DCDC
P+5V
VIDEO DATA
PANEL STATUS
P+5V
PLASMA AI
CPG with SS
H/V Sync Control
Sub Filed Processor
Plasma AI
SOS6_SC1
POWER SOS
A21
LVDS DATA
L/R
P+3.3V
KEY SWITCH KEYSCAN1
L/R
REMOTE IN
SUB1.8V DET
SUB5V DET
SUB1.2V DET
SOS7_SC2
SOS8_SS
PANEL SOS
DCDC
SUB1.8V
V/Y/PB/PR
AI SENSOR
DCDC
DCDC
PC
P+5V DET
AV2
L
RECEIVER
HDMI I/F
SUB1.2V
SUB1.2V
P+3.3V
P+15V
DCDC
A11
AI SENSOR
P+5V
EEPROM
P+5V
R/G/B
AV1
PANEL STB_ON
P+15V
CONTROL
SIGNAL
CPU BUS
I/F
CPU BUS
NOR
FLASH
P+15V
A34
P+15V DET
SOS6_SC1
SOS
STB5V
PANEL STB_ON
SUSTAIN
CONTROL
P+3.3V
REMOTE RECEIVER
SUB1.8V
V/Y/C
TUNER
LVDS DATA
SPEAKER(R)
STB5V
SD CARD DATA
SOS8_SS
SPEAKER(L)
P+1.2V
V
PD4
A1
P+5V
DDR2
AV SW
K
EEPROM
EEPROM
AUDIO
L/R
PANEL STATUS
A33
MPU
AMP
V
SD
DIGITAL SIGNAL PROCESSOR
SUB5V
POWER LED
SCAN CONTROL
SOS
VIDEO
DATA
L/R
K1
AI SENSOR
MONITOR
PANEL SOS
Nile-TCON
REMOTE RECEIVER
A
SD CARD
SLOT
PANEL MICOM
SD CARD DATA
SOS7_SC2
AV3
P+1.2V
P+5V
R
F15V
STB1.2V
P+3.3V DET
STB3.3V STB3.3V
POWER SWITCH
A6
P+15V
A7
SOUND15V
F15V
DCDC
SUB9V
SUB9V SOUND15V
DCDC
SUB5V
SUB5V
PANEL
MAIN ON
(SIDE)
V
HEAD_
PHONE
HP L/R
SIF I/F
SIF I/F
STB3.3V
5V
STB_PS
LED_R/G LED_R/G
STB_D3.3V
STB5V_M
DCDC
STB_D3.3V
SOS_DCC
SS23
VIDEO DATA
POWER MICOM
P
Vda
P+15V
VIDEO DATA
CONTROL
PULSE
POWER
FACTOR
CONTROL
SS-BOARD
SOS DETECT
P+3.3V
VSUS GEN.
POWER SUPPLY
P2
SS
SUSTAIN CONTROL
VSUS
SCAN
DRIVER
SUSTAIN
VOLTAGE
RECTIFIER
SN
VIDEO DATA
C20
P+15V
SOUND15V
P+5V
P+15V
P35
C10
RECTIFIER
F15V
VSET GEN.
A6
P+3.3V
SCAN
DRIVER
SN2
SUSTAIN CONTROL
DATA
DRIVER
DATA
DRIVER
ON/OFF CONTROL
DATA
DRIVER
P+3.3V,P+5V
DATA DRIVER (LEFT)
SOS8_SS
SOS8_SS
P9
SOS7_SC2
RECTIFIER
C1
P+5V
SUSTAIN DRIVE
P7
ENERGY RECOVERY
SN-BOARD
FLOATING PART
SOS DETECT
SOS8_SS
C25
VSUS
SN-BOARD
ENERGY RECOVERY
SOS DETECT
SUSTAIN CONTROL
STB5V
VSUS
Vda
PROCESS
VOLTAGE
RECTIFIER
VSUS
C23
DATA
DRIVER
P+5V
Vda
P-BOARD
SOS DETECT
BUFFER
VIDEO DATA
A7
STB5V
F15V
RELAY
DATA DRIVER (RIGHT)
SOS6_SC1
SN20
P+5V
P+5V
VE GEN.
COIL
P+15V
DATA
DRIVER
AC CORD
SCAN CONTROL
Vda
VSCAN GEN.
DATA
DRIVER
VSUS
P+3.3V
P6
SCAN DRIVE
DATA
DRIVER
VAD GEN.
P+15V
SS11
PS SOS4
STANDBY
VOLTAGE
RECTIFIER
DATA
DRIVER
P11
C2
VIDEO DATA
Vda
C21 C11
HDMI3
HDMI2
TMDS DATA
HDMI1
TMDS DATA
TMDS DATA
OUT
OPTICAL
AUDIO
OPTICAL AUDIO OUT
OPTICAL OUT SDIN
AUDIO
I/F
(LED:3TIMES)
(LED:4TIMES)
(LED:8TIMES)
(LED:6TIMES)
(LED:5TIMES)
(LED:10TIMES)
(LED:2TIMES)
(LED:7TIMES)
(LED:9TIMES)
(LED:7TIMES)
COLD HOT
(LED:4TIME)
(LED:8TIME)
(LED:6TIMES)
ENERGY RECOVERY
SS3
SN3