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SU
S.R
64
SC
S.R
64
S.R
64
CONTROL
S.R
PULSE
64
S.R
64
SUSTAIN
S.R
PULSE
64
SCAN
S.R
64
PULSE
S.R
64
SC20
VOLTAGE
S.R
GENERATOR
64
S.R
64
SC23
S.R
64
S.R
64
SD
AC CORD
PF
LINE
PF1
PF2
FILTER
TH-42PA20B/E
Main Block Diagram
K5
HEADPHONE
G5
G
PC IN
G18
DG18
TU
KEYSCAN
MAIN
G7
DG7
T10
TUNER
VIDEO3
H10
H1
DG1
AUDIO
MSP
AV
OUT
SWITCH
AV1
AV
SWITCH
AV2
AV4
H
P
VSUS
SC2
P2
15V
P23
STANDBY
STANDBY
STB7V
RECTIFIER
VOLTAGE
VOLTAGE
STB5V
CONTROL
RECTIFIER
PROCESS
VOLTAGE
CONTROL
AC IN
POWER
SUSTAIN
P9
RELAY
RECTIFIER
FACTOR
VOLTAGE
CONTROL
CONTROL
C11
C1
C12
S.R.
S.R.
S.R.
IRDA
K24
K
K9
CONVERT
MICOM
MICOM
TEXT
EEPROM
D
SDRAM
RGB/PC
GC2M
RGB AMP
DG3
D3
A/D
SELECT
GC2S
SDRAM
ROM
CONTROL
DG
DG6
D20
DC/DC
UR12V
CONVERTER
5V
P25
D25
STB7V
ON/OFF
D27
SOS
P27
STB5V
PROTECTION
(SOS)
PA
PA6
PRE AMP
+12Vs
DC/DC
P7
P7
12V
CONVERTER
STB5V
TUNER 30V
15V
P5
P5
VDA
PROCESS
15V
VOLTAGE
12V
RECTIFIER
15V
5V
P12
Vda
SUSTAIN
VSUS
VOLTAGE
P11
RECTIFIER
VDA
C21
C23
C2
C22
S.R.
S.R.
S.R.
SDRAM
SDRAM
ROM
FORMAT
PLASMA AI
CONVERTER
RGB
SUB-FIELD
PROCESSOR
PROCESSOR
SUB MPU
MAIN MPU
CONTROL
DISCHARGE
3.3V
2.5V
1.8V
D31
D32
L OUT
PA9
SPEAKER
R OUT
PA3
SPEAKER
C24
S.R.
SS2
SS48
SS
ADDRESS
VOLTAGE
(VE)
SUSTAIN
PULSE
ERASE
PULSE
VSUS
VDA
SS23
SS12
SS11
SS49
SS3
TH-42PA20B/E
Main Block Diagram
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