Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Plasma TV TH-42PV70FP TH-42PV70FP doc scd_a4
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15 Schematic and Block Diagram
15.1. Schematic Diagram Note
63
63
15.2. Main Block Diagram (42 inch)
DG DIGITAL SIGNAL PROCESSOR
KEY SCAN
K REMOTE/LED
POWER LED
K1 GK2 GK1 DG1
REMOTE RECEIVER
AI SENSOR GK
PX70B/E ONLY
MODEM LED
KEY SW
MAIN
MCU
SU SCAN OUT SPEAKER
L L
S.R SPEAKER
H12 R
64 AMP
SPEAKER
R
TV-V Peaks-Lite 2
TUNER
SIF
S.R [ANALOG] MSP
64
L/R
AUDIO
TV_L/R
OUT
S.R SC SCAN DRIVE
64
R,G,B
CONTROL PC IN AUDIO
PULSE INPUT
L/R
AUDIO
SELECT
IN
H6 DG6
S.R L/R
AV1
64 V,R,G,B
SCART
SUSTAIN L/R
PULSE AV2
C,V
SCART
S.R HDMI I
64 AD/HDMI
VIDEO MAIN HDMI I
INPUT OUT
SELECT
S.R Y,PB,PR H2 DG2
SCAN COMP
64
PULSE VIDEO
DC POWER H3
H AV TERMINAL,
AV SWITCH,MSP DC POWER H4
SC20
SD SCAN OUT
VOLTAGE
S.R
GENERATOR
64 +5V
P POWER SUPPLY STBY5V_M
P25
+15V
SOS1 PS_SOS
SOS2 VSUS
SC2 P2
S.R
64
S.R
64 PROTECTION(SOS)
STANDBY STANDBY STB12V
RECTIFIER VOLTAGE VOLTAGE
CONTROL RECTIFIER STB5V
STB5V
S.R +15V P5
64 F_STBY_15V
VDA
PROCESS PROCESS 15V
VOLTAGE VOLTAGE
S.R 12V
CONTROL RECTIFIER
64 5V
LINE
FILTER STB_PS
STB12V
P12
+15V
AC CORD RELAY Vda
POWER SUSTAIN SUSTAIN
S.R LINE VSUS
P9 RECTIFIER FACTOR VOLTAGE VOLTAGE P11
64 FILTER
CONTROL CONTROL RECTIFIER
C11
C1 DATA DRIVER(RIGHT)
S.R. S.R. S.R. S.R.
TH-42PV70F/P, TH-42PX70B/E
Main Block Diagram
64
AL PROCESSOR
DC/DC DC/DC DC/DC
3.3V 1.8V 1.2V
DDR2x2
[27MHz]
VCXO X'tal
FRONT RF TUNER PX70B/E ONLY
END [DIGITAL]
BUFF CI SLOT
D-LATCH
BOOT NOR SUPPORT
MEM CARD
ROM FLASH
Peaks-Lite 2 S POWER SW
SD CARD
SLOT
D FORMAT CONVERTER, STB_PS
POWER
16/32Mbit S1
RESET IC SWITCH
PLASMA AI PROCESSOR Flash-ROM STB12V
FLASH CONTROL
128Mbit SS34
DDR
CLOCK
LVDS format
GENERATOR
*CLK
*RGB:10bit(or8bit)
*VD,HD
LATCH,SFVRST,SFRST
DISPEN
PD1-M plus
DG5 D5 FCLK,FPDATA[1:0]
*Sub Filed Processor
FPGA
*Plasma AI
SS
*Discharge Control R[9:0]
G[9:0]
PROM *H,V Snyc Control
*LVDS receiver
B[9:0],HD,VD SUSTAIN DRIVE
(4MByte)
DCK
DCLK
ASDIO Discharge
HDMI IN 1 ADDRESS
DATA0 Control(SS)
AD/HDMI VOLTAGE
HDMI IN 2
DRVRST Data Driver (VE)
Control
OSD
MICOM SUSTAIN
PULSE
XRST
IIC2
ERASE
PULSE
Discharge
Control(SC)
D20 THERMAL SS_SOS8
WRITE PROTECT 32k
SENSOR
EEPROM
PCLK/NCLK
P_ON/OFF
+5V P3.3V
STBY5V_M DC/DC CONVERTER P2.5V
P25 D25 P1.2V
+15V STB_PS/
REG STB3.3V
PS_SOS P5V STB12V
RESET P5V
RESET
+15V
VDA
D31 D32
VSUS
SS23 SS12 SS11
POWER SOS
PA3
PA4
STB5V
+15V P5 PA5 DC/DC
F_STBY_15V
CONVERTER
PA DC-DC CONVERTER
STB_PS
STB12V
P12
+15V
Vda
VSUS
P11
C11 C21
C2 DATA DRIVER(LEFT)
Vda 75V
C23 VDA
C10 C20
S.R. S.R. S.R. S.R. S.R.
TH-42PV70F/P, TH-42PX70B/E
Main Block Diagram
64
15.3. Main Block Diagram (37 inch)
DG DIGITAL SIGNAL PROCE
KEY SCAN
K REMOTE/LED
POWER LED
K1 GK2 GK1 DG1
REMOTE RECEIVER
AI SENSOR GK
PX70B/E ONLY
MODEM LED
KEY SW
MAIN
MCU
SU SCAN OUT SPEAKER
L L
S.R SPEAKER
H12 R
64 AMP
SPEAKER
R
TV-V Peaks-Lite 2
TUNER
SIF
S.R [ANALOG] MSP
64
L/R
AUDIO
TV_L/R
OUT
S.R SC SCAN DRIVE
64
R,G,B
CONTROL PC IN AUDIO
PULSE INPUT
L/R
AUDIO
IN SELECT
H6 DG6
S.R L/R
AV1
64 V,R,G,B
SCART
SUSTAIN L/R
PULSE AV2
C,V
SCART
S.R
64 AD/HDMI
VIDEO MAIN
INPUT OUT
SELECT
S.R Y,PB,PR H2 DG2
SCAN COMP
64
PULSE VIDEO
DC POWER H3
H AV TERMINAL,
AV SWITCH,MSP DC POWER H4
SC20
SD SCAN OUT
VOLTAGE
S.R
GENERATOR
64 +5V
P POWER SUPPLY STBY5V_M
+15V
SOS1 PS_SOS
SOS2 VSUS
SC2 P2
S.R
64
S.R
64 PROTECTION(SOS)
STANDBY STANDBY STB12V
RECTIFIER VOLTAGE VOLTAGE
CONTROL RECTIFIER STB5V
STB5V
S.R +15V
64 F_STBY_15V
VDA
PROCESS PROCESS 15V
VOLTAGE VOLTAGE
S.R 12V
CONTROL RECTIFIER
64 5V
LINE
FILTER STB_PS
STB12V
+15V
AC CORD RELAY Vda
POWER SUSTAIN SUSTAIN
S.R LINE VSUS
P9 RECTIFIER FACTOR VOLTAGE VOLTAGE
64 FILTER
CONTROL CONTROL RECTIFIER
C11
C1 DATA DRIVER(RIGHT)
S.R. S.R. S.R. S.R.
TH-37PV70F/P, TH-37PX70B/E
Main Block Diagram
65
L SIGNAL PROCESSOR
DC/DC DC/DC DC/DC
3.3V 1.8V 1.2V
DDR2x2
[27MHz]
VCXO X'tal
FRONT RF TUNER PX70B/E ONLY
END [DIGITAL]
BUFF CI SLOT
IN
CU
D-LATCH
BOOT NOR SUPPORT
MEM
ROM FLASH CARD
Peaks-Lite 2 S POWER SW
SD CARD
SLOT
D FORMAT CONVERTER, STB_PS
POWER
16/32Mbit S1
RESET IC SWITCH
PLASMA AI PROCESSOR Flash-ROM STB12V
FLASH CONTROL
128Mbit SS34
DDR
CLOCK
LVDS format
GENERATOR
*CLK
*RGB:10bit(or8bit)
*VD,HD
LATCH,SFVRST,SFRST
DISPEN
PD1-M plus
DG5 D5 FCLK,FPDATA[1:0]
*Sub Filed Processor
FPGA
*Plasma AI
SS
*Discharge Control R[9:0]
G[9:0]
PROM *H,V Snyc Control
*LVDS receiver
B[9:0],HD,VD SUSTAIN DRIVE
(4MByte)
DCK
DCLK
ASDIO Discharge
HDMI IN 1 ADDRESS
DATA0 Control(SS)
AD/HDMI VOLTAGE
HDMI IN 2
DRVRST Data Driver (VE)
Control
OSD
MICOM SUSTAIN
PULSE
XRST
IIC2
ERASE
PULSE
Discharge
Control(SC)
D20 THERMAL SS_SOS8
WRITE PROTECT 32k
SENSOR
EEPROM
PCLK/NCLK
P_ON/OFF
+5V P3.3V
STBY5V_M DC/DC CONVERTER P2.5V
P25 D25 P1.2V
+15V STB_PS/
REG STB3.3V
PS_SOS P5V STB12V
RESET P5V
RESET
+15V
VDA
D31 D32
VSUS
SS23 SS12 SS11
POWER SOS
PA3
PA4
STB5V
+15V P5 PA5 DC/DC
F_STBY_15V
CONVERTER
VDA
15V
PA DC-DC CONVERTER
12V
5V
STB_PS
STB12V
P12
+15V
Vda
VSUS
P11
C11 C21
GHT) C2 DATA DRIVER(LEFT)
Vda 75V
C23 VDA
C10 C20
S.R. S.R. S.R. S.R. S.R. S.R.
TH-37PV70F/P, TH-37PX70B/E
Main Block Diagram
65
15.4. P-Board Block Diagram
P POWER SUPPLY
PR401
D417 395V
T401 D419
LINE FILTER C446
L404 L405
8 7 D420
6 5 4 3 2 1
RECTIFIER
D401
Q404,Q406
- +
R405,D415
9 10 11 12 13 14 15 16
OVER
VOLTAGE
PROTECTION
(490V 80V)
Q
0.1
C469 9 10 5 6 T402
SW
PR402
Q401 R441 R472
4 3 2
R442
R445 R475
8 7 6 5 R479
R447 R480
L403 IC406 VCC R470 27.4kx6 12 13 15 16
P_OUT
P_OUT
CURR
VDD2
VDD1
MOS
340kx6
SW
PFC
DRIVE DET
IC520
Q402 +
CRT_ON
CURR POWER -
Vref
COMP
CONTROL
5V
FB
D407 (Vlow) 4 2 6
1 2 3 4
R455 Q536
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