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14.2. Main Block Diagram
SU
S.R
64
S.R
64
S.R
64
S.R
64
S.R
64
S.R
64
S.R
64
S.R
64
S.R
64
S.R
64
S.R
64
S.R
64
SD
TH-42PA20B/E
Main Block Diagram
SC
CONTROL
PULSE
SUSTAIN
PULSE
SCAN
PULSE
SC20
VOLTAGE
GENERATOR
SC2
SC23
AC CORD
PF
AC IN
LINE
PF1
PF2
FILTER
HEADPHONE
PC IN
TU
KEYSCAN
MAIN
T10
TUNER
VIDEO3
H10
AUDIO
MSP
OUT
AV
SWITCH
AV1
AV2
AV4
H
P
VSUS
P2
15V
P23
STANDBY
STANDBY
RECTIFIER
VOLTAGE
VOLTAGE
CONTROL
RECTIFIER
POWER
P9
RELAY
RECTIFIER
FACTOR
CONTROL
C1
S.R.
S.R.
IRDA
K
G5
K5
G
G18
DG18
DG7
G7
CONVERT
MICOM
EEPROM
DG1
H1
SDRAM
GC2M
AV
SWITCH
GC2S
SDRAM
STB7V
STB5V
VDA
PROCESS
15V
PROCESS
VOLTAGE
VOLTAGE
12V
RECTIFIER
CONTROL
SUSTAIN
SUSTAIN
VOLTAGE
VOLTAGE
CONTROL
RECTIFIER
C11
C12
C22
S.R.
K24
K9
MICOM
TEXT
RGB/PC
RGB AMP
DG3
SELECT
DG
DG6
UR12V
5V
P25
STB7V
ON/OFF
SOS
P27
STB5V
PROTECTION
(SOS)
+12Vs
P7
12V
STB5V
15V
P5
15V
5V
P12
Vda
VSUS
P11
C21
C2
S.R.
S.R.
38
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