14.14. DG-Board Block Diagram
POFF DEF
Q1824
SCL1
YS
RGB
YUV
VDOUT
AV3 R
28
UV
4
HP
SDA1
AV3 V
30
CONT.
3D/2D com
210
AVR 3.3V
PROCESSOR
AV3 C
24
OSD-BLUE
3.3V
NOISE LEVEL
IC3251
GENERATION
AV3 S
OUT
22
IC1302
Q1325
CONTRAST
Sync
SWITCHING
PLLS
AV3 L
ROUT
RESET
MEMORY
CNT
Q1355
OSD-GREEN
Detection
Y
AV3 R
GOUT
4
UV
DG
Q1326
13
625i/p
SCALERS
AV3 Y
BOUT
5
VIN3
CONT.
720p
V/H
DG3
HDOUT
1
HP
OSD-RED
17
Q1327
MEMORY
SELF,ID,ED2
AV2 QLINK
BLANK
2
B12
172
18
15
IC1308
MAIN-PR
1080i
MSP DEF
3
COR
3
A11
103
CUT OFF
I/F
GC2M-PB
64Mbit SDRAM
SEPA
4
6
8
CLK
104
MAIN L
17
GC 2S+
GC2M-Y
AV3 Y
AFC1
525i/p
13
2.5V
101
D/A OSD
118
MAIN R
GIN2
B-OUT
CONTROL
AV3 V
AGC1
IC1332
SYNC
SDA2
VIN2
144
3
CONT.
171
AV4 QLINK
AV3 C
1
Macrovision
9
VPK
153
1
G-OUT
QLINK SEL
173
AV3 S
5
SRQ
525i/p
SCL2
21
158
GIN1
INPUT
VP
3
AV3 L
625i/p
QLINK SEL
Q-Link Select
237
167
FORMAT CONV.
3
AVR 3.3V
H SCALEER
AV3 R
720p
100
135
VIN1
PRIN
1
TXD1
1080i
CLK
S2
SDA1
169
HP
R-OUT
PBIN
RXD1
5
Macrovision
161
Y
240
KEY
3
BRIGHT DET.
YIN
SELF,ID,ED2
C
GAIN ADJ
24
99
AVR 3.3V
4
NOISE LEVEL
YSIN
OUT
V
VP
KEY
VIN3
IC1333
DG7
Detection
6
RED
MULTI
RESET
58
SL
248
SCL1
DG12
2
Sync
19
53
SDA
CLK
SR
5V
KEY
SEPA
RST
93
5
5
53
HP
SCL
Vpulse
3.3V
AOUT5
SYNC
98
A MUTE
7
54
A/D 8bit
SDA
Hpulse
5V
A/D 10bit
11
BIN1
124
MAIN DEF
SCL
54
135
3.3V
10bit
B
1
UV
BIN2
B
RST
14
CLK
5V
A/D 10bit
G
22
AFC1
100
15
144
5V
10bit
R
23
IC1301
RST-DEV
FRCLK
9
NR/IP
3.3V
PICTURE
2
AV2 QLINK
21
SDA
AOUT4
R
11
3.3V
1
60MHz
AV4 QLINK
RST
Y
12
5V
3
Y
SCL
DG8
SP MUTE
5V
5V
I/F
SDA
GC 2M+
10
81
ROUT
189
INPUT
RST
36
G
GOUT
BRIGHT DET.
STB 2.5V
SUPER
SCL
3.3V
CVBS1A
AOUT3
IMPROVEMENT
REMOCON
BOUT
INPUT
2.5V
2D COM
SDA
120
CLK
x
2
LED G
BRIGHT DET.
RST
89
76
R-IN
D/A 10bit
SCL
SDA1
A/D 8bit
58
SERVICE
RDV
SCL2
17
60MHz
25
KEY
VP
SDA2
CONTRAST
SOUND DEF
A33
A/D 8bit
14
SCL0
27
14
199
161
SCL1
B34
60MHz
11
SDA0
RIN1
SDA2
162
110MHz x
3
AFC1
SCL3
B33
SCL2
RIN2
V SYNC
AGC1
49
MAIN C/Pb
SDA3
EC R
92
13
H SYNC
AV3 Y
5V
HP
PC V
B16
SDA2
FRCLK
EC G
GC2M-PB
SDA1L
V SYNC
AV3 V
198
PC H
G
SDA1
MAIN-PR
SUB C/Pb
67
EC B
H SYNC
32
16
SCL1
GC2M-Y
PC B
B
CLKIN
CVBS1B
EC FB
IC1313
31
SCL1L
SCL2
RDV
Q1312
PC G
R
XIN
121
EC GREEN
120
TO G7
15
Y
27
PC R
CONTRAST
SUB Y/VBS
SDA
13
83
EC RED
17
TO
I/F
B
64Mbit SDRAM
SCL
FRCLK
AFC1
B15
SCL1
EC BLUE
K12
BDV
G
RST
PC R
IC1304
2
SDA1
B13
EC FB
45
R
SCL
7
18
GC 2P
B29
MAIN Y/VBS
SWITCHING
B DRIVE
FF IP NR
SDA
PC G
77
6
10
B31
B14
R DRIVE
RST
PC B
CONT
7
LED G
B30
16
112
4
REMOCON IN
CLK
TO
B32
Q1337
AOUT2
5
113
5
CLK
B27
Q1363
IC1311
3
VIN
SDA
114
91
TEXT MICOM
IC1321
CLOCK
A27
Q1303
2
SCL
1
Q1316
105
FREE RUN
MEMORY
9
RST
20
Q1304
2.5V
Q1343
148
104
90
IC1306
64Mbit SDRAM
8
17
5
97
Q1302
RGB PROCESSOR
Q1311
110
SOUND DEF
1
UV
11
3
15
98
Q1340
72
Q1315
41
B21
3
IC1350
SCL0
AVR 2.5V
13
15
Q1336
14
IC1331
44
AVR 2.5V
A21
SDA0
128
PLL
11
SDA
31
MAIN-PR
Q1342
IC1319
EC GREEN
12
B22
OUTPUT
AD
SCL
10
MAIN-PB
SW
MEMORY
EC RED
1
MEMORY
• MOTION ADAPIVE NR
RST
1
1
MAIN-Y
CHROMA DEM.
EC BLUE
2.5V
64Mbit SDRAM
Q1351
116
AD
3.3V
3
AOUT1
JUST
14
EC FB
5
16Mbit
Q1317
5
117
1
B23
3
108
15
3
3
177
PLL
1
65
3
AVR 2.5V
93
22
5
FLASH-ROM
IC1324
180
2
SDA
5
B24
Y
MATRIX
MAIN-PB
5
3
STB 3.3V
157
SCL
CNT
A32
84
IN1A
13
6
CONVERT MICON
AVR 2.5V
CHROMA DEM.
RST
9
AV2 QLINK
100
MAIN-Y
SDA
83
IC1322
GC RESET
101
7
/SRQ
CLK
IN1B
IC1851
SCL
COLOUR DETECT.
1
PROGRESSIVE
105
BDV
AV4 QLINK
IN2A
8bit A/D
2.5V
TBC
148
• FRAME RATE CONVERTER
IC1309
QLINK SEL
125
2.5V
3D C
16
Q1801
VIN1
OSD H
127
YM
MAIN L
5
Y
IN2B
MAIN-Y
NR FF
EEPROM
Q1802
OSD V
178
SOS
RDV
VP
MAIN R
3
SDA
OUT2
10bit
5V<=>3.3V
Q1812
103
UV
G-IN
UV
74
AVR 2.5V
RST
3D Y
4
119
102
Q1811
HP
YUV
2.5V
SCL0
SCL
114
OUT1
32
73
154
OSD-RED
5
Q1821
1
162
63
SDA0
• DE-INTERLACER
Q1361
RGB
YUV
RES IN
OSD-GREEN
4
5
V/H
Q1822
COLOUR DETECT
FREERUN
75
PROCESSOR
95
Q1360
OSD-BLUE
DG32
SDA2
PLL 2.5V
GC 2V
103
168
D/A 8bit
OSD-YS
SCL2
IC1305
IC1315
7
GREEN
INPUT
Q1804
VIN2
SCL0
BLUE
A/D 10bit
COR
6
RGB SW
4
CLK
RGB AMP
179
SDA0
B
5
VP
16
VP
AV3 C
B-IN
Y
SDA1L
G
IC1853
I/F
AV3 S
1
CLOCK
80
Q1814
DRIVE
RGB
SCL1L
R
AV3 L
26
22
11
1
ENHANCER
A34
A22
AV MUTE
AV MUTE
DG18
TO G18
IC1002
IC1004
IC1009
IC1007
IC1012
IC1013
IC1010
IC1008
IC1006
Q1254
Q1255
Q1019
Q1012
SDA1
R IN
L IN
SCL1
3
13
14
DG6
18
1
SP MUTE
RESET
POFF DEF
16
19
MAIN L
MAIN R
MAIN PB
MAIN Y
MAIN PR
SUB PB
SUB PR
SUB Y
1
G-1
2
B-1
3
R-1
12
Y-3
13
U-3
17
Y-4
18
U-4
Y-OUT1
U-OUT1
V-OUT1
32
31
33
Y-OUT2
U-OUT2
26
V-OUT2
25
27
IC1270
AV SW
AV4 Y
AV4 Pb
AV4 Pr
B19
B17
B18
HIN
4
HD-
VD-
TV/VIDEO SYNC
IC8004
I1
1
I6
9
13
I4
RGB LPF
IC8006
VSYNC
HSYNC
14
X
1
Y0
3
X0
5
IC8002
SWITCHING
X1
12
Y
10
5
2
IC8008
8
2CH MULTIPLEXER
O1
6
O5
I1
O4
I0
17
IC8009
CLPO
SWITCHING
6
5
SEL
7
3
1
COM
VP
HP
13
Y1
Q1850
15
6
VIN
PC VD
13
PC HD
GIN
8
TU RXD
LOADER
5
6
SCL
SDA
3
X1
5
Y
12
X0
13
Y0
14
Y1
EEROM
IC3699
SWITCHING
IC1001
1
X
10
A
TU TXD
LO TXD
LO RXD
IC1003
IC1005
4
AVR 3.3V
5
3.3V
IC1325
5V
1
Q1310
Q1010
SUB Y
SUB PR
SUB PB
Q1755
Q1763
Q1750
Q1759
Q1762
Q1765
Q1756
Q1761
Q1764
Q1752
V SYNC
H SYNC
CLP
DG1
3
2
LED R
LED G
POFF DEF
POFF DEF
SP MUTE
SP MUTE
LED G
LED R
76
LED R
LED R
92
10
12
SOS
Q1013
94
TVON
SUB ON
FANONOFF
FANMax/Min
TVON
SUB ON
FANMax/Min
FANONOFF
33
34
DG2
32
TO
PA2
36
37
38
FANMax/Min
SOS
AC ON/OFF
FANONOFF
TVON
FANONOFF
TVON
SOS
SUB ON
FANMax/Min
TO
PA6
SDA1
SCL2
SDA2
SCL1
PA8
TO
PANEL SDA3
18
PANEL SCL3
19
LO TXD
3
LO RXD
4
LOADER
17
LO RXD
LO TXD
LOADER
HD
VD
CLP
HD
CLP
VD
TVON
TVON
Q1025
Q1026
REMOCON
SOS INFO
82
SOS INFO
SOS INFO
Q1004
21
MCLPOUT
5
15
17
REMOCON
P STATUS
SOS PANEL
REMOCON
REALTIME/INTRA
POW STATUS
7
RXD TU
TXD TU
9
204
HCLP
2
5
3
6
BDV
RDV
BDV
20
HCLP
CLP
IC1329
BUFFER
MSP DEF
97
MSP DEF
MAIN DEF
MAIN DEF
20
Q1007
SRQ
2
SRQ
SRQ
14
SRQ
SRQ
SDA1
SCL0
SCL1
SDA0
B9
B8
A7
A8
15
2
SDAO
13
7
SCLO SCLI
SDAI
SDA0
SCL0
IC1235
5
6
SCL
SDA
DAC
IC3004
7
WP
5
1
6
2
SWITCHING
IC3517
RXD TU
TXD TU
GREEN
GREEN
SDA
SCL
DAC
15
IC3003
14
PANEL SDA3
PANEL SCL3
WP
SDA3
SCL3
DG31
SRQ
2
SDA3
7
SCL3
6
SCL3
SDA3
5V<=>3.3V
WP
TO
H1
D3
Micom,Digtal Signal Processor Board
TVON
Q1600
Q1601
Q1602
A MUTE
A MUTE
Q1225
TH-42PA20B/E DG-Board Block Diagram
TH-42PA20B/E DG-Board Block Diagram
50
Summary of Contents for TH-37PA20A
Page 20: ...4 TH 37PA20AA TH 37PA20FA TH 37PA20HA TH 37PA20MA TH 37PA20RA ...
Page 30: ...6 Mechanical Replacement Parts List 10 ...
Page 68: ...R483 ERG2FJS104D M 100KOHM J 2W 1 48 ...
Page 71: ...R1061 ERJ3GEYJ223 M 22KOHM J 1 16W 1 51 ...
Page 107: ...6 Mechanical Replacement Parts List 9 ...
Page 110: ...7 2 Electrical Replacement Parts List 12 ...
Page 144: ...R408 ERJ6GEYJ6R8 M 6 8 OHM J 1 10W 1 46 ...
Page 148: ...R1075 ERJ3GEYJ102 M 1KOHM J 1 16W 1 50 ...
Page 172: ...S300 K0F162B00002 SWITCH 1 74 ...
Page 287: ...2 Service Hint 7 TH 42PA20A TH 42PA20F TH 42PA20H TH 42PA20M TH 42PA20R ...
Page 288: ...8 TH 42PA20A TH 42PA20F TH 42PA20H TH 42PA20M TH 42PA20R ...
Page 308: ...7 3 Lead of wiring 3 ...
Page 309: ...7 4 Lead of wiring 4 ...
Page 315: ...9 3 Option Description ...
Page 316: ......
Page 317: ...10 CAT computer Aided Test mode ...
Page 330: ...17 Mechanical Replacement Parts List ...
Page 568: ...1 Applicable signals 4 TH 42PA20E TH 42PA20B ...
Page 572: ...5 Service Hint 8 TH 42PA20E TH 42PA20B ...
Page 578: ...7 Location of Lead Wiring 7 1 Lead of Wiring 1 7 2 Lead of wiring 2 14 TH 42PA20E TH 42PA20B ...
Page 579: ...7 3 Lead of wiring 3 15 TH 42PA20E TH 42PA20B ...
Page 580: ...7 4 Lead of wiring 4 7 5 Lead of wiring 5 16 TH 42PA20E TH 42PA20B ...
Page 586: ...22 TH 42PA20E TH 42PA20B ...
Page 587: ...9 3 Option Description 23 TH 42PA20E TH 42PA20B ...
Page 588: ...24 TH 42PA20E TH 42PA20B ...
Page 591: ...10 4 IIC mode structure following items value is sample data 27 TH 42PA20E TH 42PA20B ...