14.2. Main Block Diagram
INITIALIZE
PULSE
64
64
S.R
S.R
S.R
64
S.R
64
64
S.R
64
S.R
CONTROL
PULSE
VOLTAGE
SCAN
SC20
D20
CONTROL
DISCHARGE
MAIN MPU
SUB MPU
ROM
A/D
BUS
24bit
FORMAT
CONVERTER
RGB
PROCESSOR
PROCESSOR
SUB-FIELD
PLASMA AI
SDRAM
D34
D33
P25
D25
P27
D27
P9
P12
P11
SS11
SS12
SS42
SS34
SS20
SS22
SUSTAIN
PULSE
ERASE
PULSE
ADDRESS
VOLTAGE
(VE)
5V
UR12V
STB7V
D3
SDRAM
PROCESS
VOLTAGE
RECTIFIER
CONTROL
SUSTAIN
VOLTAGE
RECTIFIER
SUSTAIN
VOLTAGE
VDA
15V
5V
12V
P23
P2
VSUS
LINE
FILTER
STAND BY
PF1
PF10
PF2
POWER
SWITCH
SC
SU
SD
CONTROL
D
P
SOS
ON/OFF
STB5V
S34
S
STB PS
VDA
SS
PF
SS2
SS3
AC IN
AC IN
15V
64
64
S.R
S.R
S.R
64
S.R
64
64
S.R
64
S.R
PRIMARY
CIRCUIT
SS23
SS21
SS32
D31
D32
SUB-FIELD
PLASMA AI
PROCESSOR
SDRAM
ROM
RECTIFIER
POWER
RELAY
FACTOR
CONTROL
VOLTAGE
PROCESS
CONTROL
VOLTAGE
STANDBY
RECTIFIER
CONTROL
VOLTAGE
RECTIFIER
STANDBY
LOW
VOLTAGE
PROTECTOR
VOLTAGE
HIGH
PROTECTOR
SYNC PROCESSOR/
HD/VD
VD
HD
VSUS
PA10
NR 21V
STB 5V
NR 14V
M
P30-P33
FAN
HEADPHONE
RGB/PC
VIDEO2
G5
MTS
SELECT
TUNER
T21
H
DG3
DG6
DG2
DG7
KEYSCAN
TB
G
GC2S
G7
MICOM
MICOM
CONVERT
EEPROM
RGB AMP
COMP1
VIDEO1
MONI OUT
COMP2
INPUT
YPbPr
VIDEO3
PC IN
H1
G18
DG1
SELECT
SELECT
TA
H11
SUB
DG18
TUNER
MAIN
TEXT
DG
T11
H21
SDRAM
GC2M
SDRAM
TUNER 30V
PA2
CONVERTER
PA9
P7
P5
SPEAKER
R OUT
PA
PA6
PRE AMP
SPEAKER
PA1
PA3
DC/DC
L OUT
AUDIO IN
SD CARD
I/F
JG
PJG22
Y/C OUT
PC CARD
DV
DV7
SEL.
SW
HDMI IN
DVI I/F
PJG21
DG51
DG21
DG22
TV ON
P7
P5
+12Vs
12V
STB5V
15V
V34
VDA
C6
C4
V1
S.R.
S.R.
S.R.
C61
S.R.
C60
C43
C41
C44
C42
POWER ON
STAND BY
G
R
LED
+
-
INPUT
MENU
ASPECT
REMOTE
RECEIVER
DETECTER
LIGHT
S.R.
S.R.
SC62
C51
S.R.
C5
C53
S.R.
S.R.
C54
C55
C52
S.R.
C50
C62
S.R.
S.R.
C3
C21
C11
C2
S.R.
S.R.
C22
S.R.
S.R.
S.R.
S.R.
S.R.
C20
S.R.
C24
C33
S.R.
S.R.
C25
C1
C23
C10
C12
C31
C13
C35
C32
SC2 SC23
SC13
SC12
SS32
TH-50PX20U-P MAIN BLOCK Diagram
TH-50PX20U-P MAIN BLOCK Diagram
TH-50PX20U-P
66
Summary of Contents for TH-50PX20U/P
Page 4: ...1 Applicable signals 4 TH 50PX20U P ...
Page 9: ...6 Location of Lead Wiring 6 1 Lead of Wiring 1 9 TH 50PX20U P ...
Page 10: ...6 2 Lead of Wiring 2 10 TH 50PX20U P ...
Page 11: ...6 3 Lead of Wiring 3 11 TH 50PX20U P ...
Page 12: ...6 4 Lead of Wiring 4 12 TH 50PX20U P ...
Page 13: ...6 5 Lead of Wiring 5 13 TH 50PX20U P ...
Page 14: ...6 6 Lead of Wiring 6 14 TH 50PX20U P ...
Page 23: ...9 4 IIC mode structure following items value is sample data 23 TH 50PX20U P ...
Page 32: ...32 TH 50PX20U P ...
Page 64: ...TH 50PX20U P 64 ...
Page 146: ...TH 50PX20U P 146 ...
Page 147: ...15 Parts Location 15 1 Parts Location 1 147 TH 50PX20U P ...
Page 148: ...15 2 Parts Location 2 148 TH 50PX20U P ...
Page 149: ...15 3 Parts Location 3 149 TH 50PX20U P ...
Page 150: ...15 4 Parts Location 4 150 TH 50PX20U P ...
Page 151: ...15 5 Parts Location 5 151 TH 50PX20U P ...
Page 154: ...17 Replacement Parts List 17 1 Replacement Parts List Notes 154 TH 50PX20U P ...