Panasonic TC-42PX14 Service Manual page 29

9 Block Diagram
9.1. Main Block Diagram
SD CARD SD CARD DATA
SLOT
TMDS DATA
HDMI1
TMDS DATA
HDMI2
IFD_OUT
V
TUNER
L,R
VIDEO SW
R,G,B
PC
V,Y,C
VIDEO1 L,R
V
(SIDE) VIDEO2 L,R
Y,PB,PR
COMP1
L,R
Y,PB,PR
COMP2 L,R
AUDIO SW
L
SPEAKER(L) A12
R
SPEAKER(R) A11
OPTICAL
OPTICAL AUDIO OUT
AUDIO
OUT
SC SCAN DRIVE
SU SCAN OUT (UPPER)
SC-BOARD
ENEGRY RECOVERY
SOS6_SC1
SOS DETECT
(LED:6TIMES) (LED:6TIMES)
SC-BOARD
SOS7_SC2
FLOTING PART
SOS DETECT
+5V(P)
(LED:7TIMES) (LED:7TIMES)
+15V(P)
SCAN CONTROL
SCAN
SU41 SC41
DRIVER
CONTROL
PULSE
SU11
SD11
VSCAN GEN.
SCAN
SD42 SC42
VSET GEN.
DRIVER
VAD GEN.
BUFFER SD46 SC46
SD SCAN OUT (LOWER)
A DIGITAL SIGNAL PROCESSOR
SD CARD DATA
HDMI DATA
HDMI SW HDMI DATA
VSB_IN
Seine3LV
R,G,B
R,G,B
SD
SDIN
SD0
OPTICAL OUT
LVDS DATA
L,R SOUND
A/D PANEL STB_ON
PAMEL SOS
PANEL STATUS
KEYSCAN1
SD
AUDIO
AMP
CONTROL
SIGNAL
PANEL MICOM
EEPROM
(LED:4TIMES) (LED:4TIMES) POWER SOS
+15V(P) +15V(P) DET (LED:2TIMES) (LED:2TIMES)
+3.3V(P) +3.3V(P) DET (LED:3TIMES) (LED:3TIMES)
+5V(P) +5V(P) DET
(LED:5TIMES) (LED:5TIMES)
PLASMA AI
SOS6_SC1 CPG with SS
SOS6_SC1 (LED:6TIMES) (LED:6TIMES)
SOS7_SC2 H/V Sync Control
SOS7_SC2 (LED:7TIMES) (LED:7TIMES) Sub Filed Processor
Plasma AI
+5V(P)
SC20 A20
SOS8_SS
+15V(P)
(LED:8TIMES) (LED:8TIMES)
VIDEO DATA
SUSTAIN
SCAN CONTROL
DISCHARGE CONTROL
CONTROL
STB_D3.3V
STB5V_M
DCDC
STB_D3.3V
A31
VSUS
SC2
KEYSCAN1
KEY SWITCH GK1
GK KEY SWITCH
C1 DATA DRIVER (RIGHT)
C14 C21
KEYSCAN1
+5V(P)
Vda C10 C20
VIDEO DATA
DATA DATA DATA DATA
DRIVER DRIVER DRIVER DRIVER
DDR2
SBO2
SBI2
SUB+9V DET +9V(S)
SUB+5V DET +5V(S)
SUB+3.3V DET +3.3V(S)
SYSTEM MPU
TUNER SOS DET
TUNER SOS
CIRCUIT
TUNER SOS
(LED:10TIMES) (LED:10TIMES)
(LED:10TIMES) (LED:10TIMES)
POWER LED(R)
REMOTE IN
C.A.T.S. SENSOR
KEYSCAN3
RESET RESET
IIC1
EEPROM
PANEL STB_ON
DCDC
F15V
PAMEL SOS
SUB9V
PANEL STATUS
DCDC
KEYSCAN1
SUB5V
SUB3.3V
+2.5V(P)
+5V(P) DCDC DCDC
SUB1.8V
+2.5V(P)
SUB1.3V
+15V(P) DCDC +3.3V(P)
+3.3V(P)
DCDC +1.8V(P)
+1.8V(P) P POWER SUPPLY
+1.2V(P)
DCDC
+1.2V(P)
PS SOS4
(LED:4TIME) (LED:4TIME)
+5V(P)
+5V(P)
+15V(P) POWER MICOM
A25 P25
+15V(P)
PD2-M
FLASH
ON/OFF CONTROL
MEMORY PANEL
MAIN ON
DDR
Vda
PROCESS
+15V(P) VOLTAGE
RECTIFIER
+5V(P)
VIDEO DATA
COLD COLD HOT HOT
F15V
STANBY
VOLTAGE
RECTIFIER
STB5V
A32 A6
VSUS RECTIFIER
P2
F15V
P6
RECTIFIER
SOUND15V
P7 STB5V
P9
C2 DATA DRIVER (LEFT)
C22
C25
+5V(P)
SOS8_SS
C23
SUSTAIN CONTROL
Vda
VIDEO DATA
DATA DATA DATA DATA
DRIVER DRIVER DRIVER DRIVER
29
K POWER LED
F15V
REMOTE RECEIVER
SUB9V
C.A.T.S. SENSOR
SUB5V
BT30V
+3.3V(STB) +3.3V(STB)
A1 K1
POWER
SWITCH
SUB9V
S2
ON
SUB5V BT30V
BT30V
SUB9V
STB3.3V
SUB5V
STB5V STB3.3V
SUB3.3V
S POWER SWITCH
SUB1.8V
SUB1.3V
SS SUSTAIN DRIVE
P-BOARD
SOS DETECT
VSUS
SS-BOARD
VSUS
P11 SS11 SOS DETECT
VSUS
+15V(P)
(LED:8TIME) (LED:8TIME)
+15V(P)
VSUS GEN.
VE GEN.
ENERGY RECOVERY
SUSTAIN
VOLTAGE
RECTIFIER
POWER
FACTOR
CONTROL
SS23
MAIN SW2 SS2
MAIN SW1 P34
RELAY
P35
AC CORD
Vda
+5V(P)
SOS8_SS
SUSTAIN CONTROL
LED(R)
REMOTE RECEIVER
C.A.T.S. SENSOR
SS22
SS24
SUSTAIN
CONNECTOR
(LOWER)