GC 2S+
OSD YS
Q4531
625i/p
10
CLP
GIN
CLK
3
OSD YM
OSD-RED
A
U
DIO L
Q4503
10
AFC1
BOUT
POWER STATUS
x2
4
OSD R
1
P
ANEL SOS
A
U
DIO R
Q4526
B
AFC2
4
CLK
OSD G
I/F
AUDIO L
AC
T
V
O
N
Q4530
R
GC VP
8
9
TXD TU0
5
OSD B
UV
SD
A2
AUDIO R
RMIN
GC HP
SUB-Y
BIN
INPUT
6
AD MODE
NCLP
625i/p
SCL2
VAO MUTE
G
SOS2
OSD YS
3
Q4532
G-OUT
JPEG Y
A/D 10bit
DVI Y
HP
OSD YM
RIN
MAIN-PB
NOISE LEVEL
JPEG C
OSD R
SWGC PC
13
DVI R
OSD R
9
Q4527
YUV
8
SUB PR
Y1
DVI PB
OSD G
AFC2
ROUT
16
A/D 8bit
Q4510
RST
DVI L
14
OSD B
4
GOUT
OUT3
R
INT1JPG
/CS
Q4555
DVI PR
X
SWGC
BUFFER
R
INT0JPG
9
248
JPEG C
READ
Y
Q4553
1
X1
PC
B
GC VD
XRSTJPG
OUT2
Y
JPEG Y
SCLK
Q4554
Y0
G
12
GC VP
GC HD
IN3B
SB0JPG
A
O
UT3
JPEG Y
SDI
Q4556
3
Y
GC HP
GC VD
49
3
SBIJPG
JPEG C
X0
5
EX. I/O
SDO
Q4558
GC HD
HP
IN2B
SBTJPG
LOADER
AMUTE25
5
1
Q4557
6
SELF,ID,ED2
1
TXD TU1
G-IN SELECT
3
OUT
Sync
310
IN3A
RXD TU1
INT1JPG
6
SYNC INPUT SELECT
RESET
21
TO H1
211
OUT1
MAIN Y
148
INT0JPG
I1
G CUT
OFF
11
SUB Y
309
237
XRSTJPG
16
31
I0
3
6
SUB Y
AUDIO L
28
SB0JPG
LIN
CONT
X1
MAIN Y
3D/2D com
409
D/A 10bit x3
SBIJPG
62
201
RIN
5
SWITCHING
AC
T
V
O
N
525i/p
720p
SBTJPG
AUDIO R
45
RCF
162
Y
6
SOS2
72
HP
408
UV
161
72
12
5
SYNC
144
XRSTJPG
103
Detection
VPO3
69
X0
SEL
SPMUTE
Y
UV
INT0JPG
VP
116
VIN3
13
HPO3
PROGRESSIVE
7
19
58
SB0JPG
BRIGHT DET.
303
YM
Y0
25
18
GC HP
3
20
525i/p
INT1JPG
A/D 8bit
11
316
14
SCL
GC VP
1
MAIN DEF
G
SBTJPG
10bit A/D
SCL
Y1
VAO MUTE
20
COM
IMPROVEMENT
POFF DEF
SBIJPG
VIN1
G
Q4560
1
YS
65
VPK
Q8015
RST
OSD-BLUE
95
IN1B
X
Q4559
32
GC HFR
61
VIN1
FA
1
15
SD
A1
17
GCF
10
60MHz
IN2A
63
9
2
COLOUR DETECT.
A
C
TV
ON
6
18
200
199
A
5
Y
HFR
10
12
10bit
SOS2
VIN
13
189
CONTROL
TXD TU0
IN1A
Q2254
NR FF
11
415
MEMORY
13
14
CLK
162
14
TXD TU1
OSD G
12
Q2252
GC HFR
35
161
JPEG C
GIN
SCL1
13
CLK
RXD TU1
14
CNT
MULTI
Q2251
38
KEYSCAN2
8
109
CHROMA DEM.
16
RXD TU0
RGB SELECT
3
1080i
DRIVE
8
VAO MUTE
HIN
JPEG Y
32
17
LOADER
GAIN ADJ
101
23
MAIN DEF
4
210
VP
33
SCL1
SUPER
B DRIVE
PC B
27
Q2253
HD-
111
9
SDA2
BD
V
2
PC R
26
AMUTE25
VD+
Y
MAIN PB
FA1
4
36
148
PC G
24
Q2255
110MHz x3
SYNC
MAIN PR
SCL2
CLK
VP
HP
Q2258
LOADER IN SEL
CONTRAST
OSD-GREEN
TEST SW
BRIGHT DET.
AUDIO MUTE
6
5
SDA1
Macrovision
SUB Y
TESTSW
51
VIN3
I3
POFF DEF
116
TXD TU1
FF IP NR
TV
ON
84
SUB PB
50
5
177
11
5
7
25
SOS2
6
MAIN Y
AC TVON
22
SUB PR
17
I6
AB SDA3
SW
TESTSW
Sync
AFC1
LED SOS
173
MAIN PB
GINA
I2
4
172
G
AFC2
A
CTV
ONOFF
PSTATUS
CUT OFF
MAIN PR
25
O3
198
18
4
B
INPUT
PSTATUS
SUB Y
BINA
B
19
3
MATRIX
R
R-OUT
SUB PB
1
RXD TU1
13
CHROMA DEM.
R
SDA
MAIN DEF
MAIN Y
RINA
AB SCL3
O2
INPUT
NR/IP
B
83
POFF DEF
SUB Y
I/F
GC 2M+
5
4
G
S3
D/A 10bit
RXD TU0
SUB PB
JUST
60MHz
B-IN
ROUT
I1
Y3
A/D 8bit
SEPA
SUB PR
217
UV
15
GOUT
9
22
V3
RD
V
104
MAIN PB
180
14
BOUT
1
SYNC
C3
240
4
417
MAIN Y
BCF
B DRIVE
14
I4
AD MODE
L3
CONT.
OUT
107
MAIN PR
21
CNT
RGB
14
12
R3
CONTRAST
1
307
I/F
RGB->YUV
R DRIVE
KEYSCAN2
O6
20
VIN2
B
407
SEPA
OSD YM
CONT.
17
A
O
UT5
I5
OSD YS
13
R-IN
66
15
10bit
26
11
FA1
COLOUR DETECT
22
13
RGB PROCESSOR
24
OUT
10
49
Y
171
405
NOISE LEVEL
11
Detection
22
1
CONVERT MICON
2
1
A
O
UT4
BD
V
206
179
10
89
28
4
8
82
RD
V
202
720p
3
306
MEMORY
30
B
O1
SWITCHING
81
HP
BRIGHT DET.
5
Macrovision
204
17
O5
D/A 8bit
R DRIVE
1
135
RGB AMP
5
304
PC VD
O4
H SCALEER
17
1
B CUT
OFF
SUB-PR
SW CLP
7
TXD TU0
S3
PC G
HDMIWP
60MHz
3
23
9
MAIN-Y
VD S
AFC1
PC HD
Y3
SCLHDMI
17
27
3
15
Q4523
HD S
AFC2
PC R
V3
SD
AHDMI
24
SELF,ID,ED2
HD S
Q4509
PC B
1080i
6
C3
17
178
21
VD S
Q4501
G
VP
60
18
L3
SW
A/D 10bit
VD S
REMOTEBC
R
Q4524
R
19
78
SL
157
R3
HD S
B
VIN2
HDMIINT
MAIN-PR
Y
80
CONT.
DVI Y
OSD YS
R
KEYSCAN2
Q4522
C
TXD
SCL0
SD
A
OSD YM
DVI R
B
KEYSCAN1
64Mbit
RXD
Q4512
V
SD
A0
B-OUT
OSD YM
G
DVI PB
45
14
SR
Q4533
79
TBC
OSD YS
R3
RXD TU0
PC VD
DVI L
117
15
PC VD
36
Q4513
FA
1
S3
PC HD
LEDCTRL SOS
15
DVI PR
RST
10bit
PC B
Q4502
54
Y3
REMOTE OUT
AFC1
D/A OSD
19
B
PC G
53
V3
Q4529
AFC2
PICTURE
2
1
CONTRAST
PC R
SCL2
C3
/VSYNC
Q4508
I/F
6
3
A/D 10bit
PC HD
15
SDA2
L3
R
/HSYNC
Q4506
OSD B
8
2D COM
14
KEYSCAN2
AFC2
B
AFC1
HFR
SUB-PB
VINT
6
RGB->YUV
AFC1
KEYSCAN1
G
1
7
CVBS1
Q4511
103
LED SOS
1
G-IN
CVBS0
Q4505
R CUT
OFF
17
TO G7
REMO
TEBC
2
SLOT DETECTION DAC
SEPARATION
AD MODE
AD MODE
MAIN Y
AMUTE25
44
AMUTE
AMUTE
Q7
Q6
HP DET
OR GATE
OR GATE
5
SDA
7
6
WP
EEPROM
SCL
MICOM
5
Y0
Y
14
12
Y1
X0
1
3
13
X
X1
SWITCHING
SCL2
SCL1
SDA2
SDA1
6
SCL
SRQ
7
5
EEPROM
SDA
I/O PORT
15
SCL
14
SDA
1
2
6
5
SWITCHING
SCL3
SDA3
SCL3
SDA3
14
15
SCL
SDA
SDA3
SCL3
5.6Mbit FIFO
MEMORY
5V
3
AVR 3.3V
1
3.3V
5
5V
3
AVR 3.3V
1
3.3V
5
5V
3
AVR 3.3V
1
3.3V
5
3
AVR 3.3V
1
3.3V
5
5V
2
2.5V A/D
1
2.5V
3
5V
3
PLL 2.5V
1
2.5V
5
5V
6
3
AVR 3.3V
1
3.3V
5
5V
1
2.5V
5
5V
3
2.5V D/A
1
2.5V
5
5V
3
AVR 2.5V
1
3.3V
5
5V
3
AVR 3.3V
1
3.3V
5
5V
3
AVR 3.3V
5V
4
REG 3.3V
3
3.3V
5
SDRAM
G LED
64
R LED
73
G LED
3
2
R LED
G LED
R LED
Q27
R LED
G LED
Micom,Digtal Signal Processor Board
DG
SCL1
7
SDA2
FA1
4
FA1
5
SCL2
2
SDA1
6
REMOTE
8
REMOTE BC
Q20
TO D3
TO PA8
TO
P
A
2
TO K12
TO G18
TO
P
A
6
BC
RGB LPF
HP S
2
6
AD 2.5V
1
2.5V
3
5V
5
4
OUT
RESET
RESET
T
O
PJG22
T
O
PJG21
HDMINT
HDMIWP
SD
AHDMI
SCLHDMI
20
INT
S_CLOCK0
AUDIO MUTE
S_DATA0
6
DVI PB
DVI PR
3
SUB9V
22
TO DV7
SUB5V
4
13
DVI L
15
26
28
5
SUB9V
23
19
9
8
DVI Y
DVI R
17
SUB5V
S_CLOCK1
S_DATA1
SCL HDMI
SDA HDMI
DVI PR
DVI Y
SDA1
DVI PB
DVI R
SCL1
DVI L
HDMI WP
HDMI INT
SUB5V
SUB5V
SUB9V
SUB9V
TH-42PX20U-P
DG-BOARD BLOCK Diagram
TH-42PX20U-P
DG-BOARD BLOCK Diagram
Summary of Contents for TH-42PX20U/P Operating
Page 9: ...6 2 Lead of Wiring 2 9 ...
Page 10: ...6 3 Lead of Wiring 3 10 ...
Page 11: ...6 4 Lead of Wiring 4 11 ...
Page 12: ...6 5 Lead of Wiring 5 12 ...
Page 34: ...15 2 Parts Location 2 34 ...
Page 35: ...15 3 Parts Location 3 35 ...
Page 36: ...36 ...
Page 37: ...15 4 Parts Location 4 15 5 Parts Location 5 37 ...
Page 38: ...38 ...
Page 42: ...17 2 Electrical Replacement Parts List 42 ...
Page 54: ...D12 K1KA07A00189 7P CONNECTOR 1 54 ...
Page 348: ...1 Applicable signals 4 TH 42PX20U P ...
Page 353: ...6 Location of Lead Wiring 6 1 Lead of Wiring 1 9 TH 42PX20U P ...
Page 354: ...6 2 Lead of Wiring 2 10 TH 42PX20U P ...
Page 355: ...6 3 Lead of Wiring 3 11 TH 42PX20U P ...
Page 356: ...6 4 Lead of Wiring 4 12 TH 42PX20U P ...
Page 357: ...6 5 Lead of Wiring 5 13 TH 42PX20U P ...
Page 358: ...6 6 Lead of Wiring 6 14 TH 42PX20U P ...
Page 367: ...9 4 IIC mode structure following items value is sample data 23 TH 42PX20U P ...
Page 376: ...32 TH 42PX20U P ...