Panasonic TX-PR42S20, Service Manual

Page: 33 / 118

33
11 Block Diagram
11.1. Main Block Diagram
(LED:8TIME)
COLD
(LED:6TIMES)
(LED:7TIMES)
HOT
(LED:4TIME)
P9
PS SOS4
DATA
DRIVER
VSUS
DATA
DRIVER
P7
P+5V
BUFFER
SOS8_SS
SUSTAIN CONTROL
SUSTAIN
SUSTAIN CONTROL
SS21
VIDEO DATA
MAIN SW1 OPEN
P35
RECTIFIER
C11
VSCAN GEN.
SC
SOS8_SS
DATA
DRIVER
MAIN SW2
DATA
DRIVER
CONTROL
PULSE
POWER
FACTOR
CONTROL
SC2
P+3.3V
DATA
DRIVER
Vda
DATA
DRIVER
Vda
RELAY
RECTIFIER
SOS6_SC1
SOUND15V
SCAN DRIVE
SM
VSUS
VSUS
VIDEO DATA
VSUS
P+3.3V
SC41
DATA
DRIVER
DATA
DRIVER
SC46
DATA
DRIVER
SM42
SS2
C23
P11
DATA
DRIVER
P
SS
P+5V
POWER MICOM
(LOWER)
VIDEO DATA
VAD GEN.
VIDEO DATA
VSUS GEN.
Vda
SS24
SC-BOARD
ENERGY RECOVERY
SOS DETECT
SCAN
DRIVER
SC20
P+3.3V
SCAN OUT
SOS7_SC2
DATA DRIVER (RIGHT)
C10
POWER SUPPLY
C25
SM46
P+15V
SUSTAIN CONTROL
P+15V
P+15V
P34
C1
VE GEN.
SC42
DATA
DRIVER
DATA
DRIVER
VIDEO DATA
F15V
SUSTAIN DRIVE
AC CORD
P+15V
Vda
CONNECTOR
DATA
DRIVER
F15V
P6
P+15V
STB5V
DATA
DRIVER
C2
STANDBY
VOLTAGE
RECTIFIER
DATA
DRIVER
PROCESS
VOLTAGE
RECTIFIER
P+5V
P+5V
SS33
SUSTAIN
VOLTAGE
RECTIFIER
SOS8_SS
SS11
C21
P+5V
STB5V
SCAN CONTROL
VSET GEN.
P+3.3V,P+5V
P2
VSUS
SCAN
DRIVER
SM41
C20
P-BOARD
SOS DETECT
SS-BOARD
SOS DETECT
DATA DRIVER (LEFT)
ENERGY RECOVERY
Vda
SC-BOARD
FLOATING PART
SOS DETECT
(LED:8TIME)
COLD
(LED:6TIMES)
(LED:7TIMES)
HOT
(LED:4TIME)
PUSH
(LED:12TIMES)
(LED:12TIMES)
(LED:6TIMES)
(LED:5TIMES)
(LED:3TIMES)
(LED:8TIMES)
(LED:7TIMES)
(LED:4TIMES)
AV IN I/F
L/R OUT
R
NAND
FLASH
AV1,2
EEPROM
A32
VIDEO
DATA
L/R
DCDC
AUDIO
CI ASIC
VDAC OUT
DVB_RF
PWM L/R
PWM L/R
RGB_CVBS
A20
A6
STB1.2V
P+15V
+5V(P)
P+3.3V
SOUND SOS
VIDEO DATA
SOUND SOS DET
CIRCUIT
A7
F15V
V OUT
V/R/G/B
STB5V
SOUND15V
STB5V_M
P+5V
P+1.2V
C.A.T.S SENSOR
P+1.2V
OPTICAL
V
SOS6_SC1
L/R
LVDS DATA
P+15V
SUB+3.3V DET
P+3.3V
K1
A31
SUSTAIN
CONTROL
REMOTE RECEIVER
SUB9V
P+5V
SUB9V
DCDC
DCDC
TUNER
RECEIVER
+15V(P)
AMP
HDMI1-3
SPEAKER(L)
CONT.
SOS6_SC1
A11
L/R
SUB1.8V
CI SLOT
STB3.3V
SD CARD DATA
L/R OUT
SUB5V
P+3.3V
SUB3.3V
P+3.3V DET
C.A.T.S SENSOR
DCDC
P+5V
HP L/R
AV3
POWER SOS
HEAD_
PHONE
L/R
K
SD CARD IF
IFD_OUT
SOS8_SS
OPTICAL AUDIO OUT
Parallel_
TS(FE)
PLASMA AI
CPG with SS
H/V Sync Control
Sub Filed Processor
Plasma AI
Parallel_
TS
P+3.3V
SCAN CONTROL
REMOTE RECEIVER
P+5V
Parallel_
TS(CI)
REMOTE IN
DCDC
TS I/F
HDMI I/F
P+5V DET
STB5V
SOS7_SC2
CPU BUS
EEPROM
SUB5.6V
STB3.3V
SUB1.2V
STB3.3V
PEAKS-sLD
F15V
V
L
MON_L/R
SD CARD
TV_L/R
OUT
AUDIO
SLOT
MON_L/R
TV_L/R
PD4H
Y/PR/PB
HP_L/R
C.A.T.S. SENSOR
HP_L/R
POWER LED
LED_R/G
CPU BUS
I/F
A1
PANEL MAIN ON
SUB3.3V
SUB+5V DET
DIGITAL SIGNAL PROCESSOR
ANALOG-ASIC
SUB+9V DET
SUB9V
SUB5V
SOS7_SC2
POWER SWITCH
KEY SWITCH
P+5V
LED_R/G
SUB9V
SPEAKER(R)
SOS4_PS
KEYSCAN1
STB_PS
STB_D3.3V
AUDIO
5V
STB_D3.3V
PANEL
MAIN ON
PANEL SOS
COMP
SUB1.2V
Y/PB/PR
SUB5V
PANEL SOS
SUB3.3V
SIF_OUT
DCDC
SOS8_SS
SIF I/F
SUB5.6V
TMDS DATA
MPU
OUT I/F
AM
ANALOG
A
OPTICAL OUT
OFDM
CI TS
SUB1.8V
DCDC
AV SW
DCDC
(LED:12TIMES)
(LED:12TIMES)
(LED:6TIMES)
(LED:5TIMES)
(LED:3TIMES)
(LED:8TIMES)
(LED:7TIMES)
(LED:4TIMES)
ON/OFF CONTROL