Panasonic TH-42PWD8WK Service Manual page 320

SU SCAN OUT
SC2 SC23
VSUS 15V
S.R
64
SOS1
S.R
SOS2
64
CONTROL
S.R
PULSE
64
S.R
64
SUSTAIN
PULSE
SCAN
S.R PULSE
64
S.R
64
VOLTAGE
GENERATOR
S.R
64
S.R
64
SC
SD
SCAN DRIVE
SCAN OUT
+
SP
-
R
H1
H3
HA
SPEAKER
TERMINAL
COMPONENT COMPONENT
VIDEO IN AUDIO IN
J11 J12 J13
37PWD8UK HB
37PWD8BK/BS/EK/ES HB HA
42PWD8UK HB HA
42PWD8BK/BS/EK/ES HB
TH-37/42PWD8 SERIES
Main Block Diagram
D DIGITAL SIGNAL PROCESSOR/FORMAT CONVERTER
PLASMA AI PROCESSOR
DISCHARGE
SC20 D20
CONTROL
CONTROL
MAIN MPU ROM
EEPROM
IIC
LVDS LVDS A/D
D5 D1
J1
J5 J6
SYNC
SEPARATOR
VD
SYNC
SW
ANALOG SW
3.3V
AUDIO
PROCESSOR
AUDIO SW
SLOT I/F,
SYNC PROCESSOR
AUDIO PROCESSOR
J11 J12 J13 J14
42"MODEL
TO J-BOARD SLOT
ONLY
HX1
H1
PC RS-232C
LVDS
PC AUDIO IN
GC2M C1
DATA DRIVER(RIGHT)
HB
SW
S-VIDEO VIDEO AUDIO IN
IN/OUT
IN
S.R. S.R.
(1.2V)3.3V
DC/DC
1.5V
CONVERTER
STB3.3V
D25 P25
OSD CPG
SDRAM SDRAM ROM
FORMAT PLASMA AI
CONVERTER
RGB SUB-FIELD
PROCESSOR PROCESSOR
SDRAM
CONTROL
SOS
D3 D31 D32
J3
CONTROL J2
J15
HD
F_STB_14V J10 P10
DR15V
SOUND12V J4 P5
DIG12V
9V
DC_DC
5V
CONVERTER
L OUT J8
R OUT J7
L R
V34
J
V15
HX
C11 C21
C2 DATA DRIVER(LEFT)
C12 C22
S.R. S.R. S.R.
P23 P2
P
POWER
15V
+5V
SUPPLY
STBY5V
+12V
VSUS
ON/OFF
P11
VDA
SOS
15V PROCESS
VOLTAGE
SUSTAIN
12V
RECTIFIER
VOLTAGE
5V
RECTIFIER
PROCESS
SUSTAIN
VOLTAGE
VOLTAGE
CONTROL CONTROL
STANDBY
STB14V
VOLTAGE POWER
STB5V
RECTIFIER FACTOR
CONTROL
STANDBY
VOLTAGE
RECTIFIER
CONTROL
STB_PS
STB_PS_ON
RECTIFIER RELAY
P12
Vda
15V
F_STB_14V
LINE
FILTER
+15V
+12V(s)
+12V
P9
AC IN
LED_G POWER ON
LED_R STAND-BY
REMOTE
RECEIVER
V1 REMOTE RECEIVER/LED_G,R
V2 KEY SW
VOL TV/ VOL
F STR
DN VTR UP
VDA,SOS/SUSTAIN DRIVE PULSE
C23
S.R. S.R.
VSUS
SS11 SS SUSTAIN DRIVE
ADDRESS
VOLTAGE
(VE)
SUSTAIN
PULSE
ERASE
PULSE
SS12
15V
SOS
Vda
SS23 SS34
S1 POWER SW
STB_PS
S34
STB_PS_ON
+
SP
-
L
H3
SPEAKER
TERMINAL
TH-37/42PWD8 SERIES
Main Block Diagram