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31
MAIN9V
32
33
34
35
36
37
38
STB5.0V
39
STB2.5V
40
SWITCHING
41
Q1014
2SD0601A0L
B1ABCC000004
R1101
100
R1093
470
R1105
Q1016
2.2M
R1090
B1ABCC000004
100
42
2SD0601A0L
L1003
G1C3R3MA0063
SWITCHING
R1091
390
L1004
G1C4R7MA0063
R1092
10k
C1044
C1045
16V
50V
0.1u
150p
IC1006
SOS
C0JBAS000160
KEY
AV_MUTE
43
SWITCHING
AV4_QLINK
1
14
R1112
IN/OUT1
VDD
1k
2
13
OUT/IN1
CONT1
STB5.0V
3
12
OUT/IN2
CONT4
4
11
IN/OUT2
IN/OUT4
5
10
CONT2
OUT/IN4
AV2_QLINK
6
9
CONT3
OUT/IN3
7
8
VSS
IN/OUT3
GND
AFC1
R1086
820
QLINK_SEL
R1032
Q1012
2.2k
B1ABCC000004
2SD0601A0L
TCK
Q1255
SWITCHING
TMS
B1ABCC000004
2SD0601A0L
TDI
R1257
47k
TDO
R1255
R1256
SWITCHING
R1095
REMOCON
47k
100k
R1258
47k
R1107
1k
C1254
R1254
50V
100k
100p
R1207
SRQ
4.7k
R1108
R1109
SUBON
R1110
5VDET
FANONOFF
R1114
Q1254
L1005
G1C4R7MA0063
B1ABCC000004
2SD0601A0L
C1046
SWITCHING
16V
10u
STB2.5V
AC_A19
5VDET
44
AC_A18
AC_A17
AC_A16
L1006
R1102
EXB38V680JV
G1C4R7MA0063
C1047
4V
220u
AC_A8
AC_A7
AC_A9
AC_A6
R1099
EXB38V680JV
AC_A5
AC_A10
AC_A11
AC_A12
R1100
EXB38V680JV
45
46
DG-BOARD TNPA2819 (3/8)
!
47
48
49
50
TH-42PA20B/E DG-Board(3of8)Schematic Diagram
19
20
MAIN2.5V
STB5.0V
R1139
27k
C1056
R1133
50V
100k
220p
Q1018
R1115
4.7k
R1117
R1135
B1ABCC000004
220k
47k
2SD0601A0L
C1059
SWITCHING
R1127
50V 220p
22k
Q1017
B1ABCC000004
R1128
R1131
2SD0601A0L
100
100k
SWITCHING
R1136
220
TCK,TDI,TDO,TMS,TRIG_IN,TRIG_OUT
STB2.5V
R1143
R1126
0
27k
R1141
82
C1053
16V
0.1u
R1142
C1054
100
R1119
4V
R1152
56k
4.7k
220u
C1065
50V
22p
Q1013
C1063
50V
B1ABCC000004
22p
C1052
2SD0601A0L
0.01u
ERROR DET
50V
R1138
100
C1055
C1058
C1060
16V
16V
16V
C1062
C1066
0.1u
0.1u
0.1u
16V
16V
0.1u
0.1u
R1124
10k
R1260
1
96
2
95
3
94
TDI
4
93
TDO
YUV_JUDG
AFC2
SDA1
0
5
SCL1
92
RMCN IN
PROTECT
RELAY
TMODE
ABOOT
6
AVLINK IN
91
FREERUN
7
AVLINK OUT
90
SOUND DEF
100
8
SRQ
89
TxD0
100
9
88
Q-Link Select
(AV4/AV2)
RxD0
100
10
87
RGB Select
AV1/AV4
Vddc
11
86
5V DETECT
Vssc
100
12
85
PLL SW
Vdd33
UniversalAsynchronousReceiverTransmitter
13
84
Vss33
Vss33
14
83
Vdd33
RST-DEV
C1048
IC1007
15
82
CS3
DEGAUSS
16V
0.1u
16
81
A20
BEAM SW
C2CBYF000028
17
80
A19
VDU RESET
18
TEXT MICOM
79
A18
IRD_LED
19
78
A17
DSP&DIR RESET
C1049
20
77
Vssc
LED
16V
2.25-2.75V
21
76
0.1u
Vddc
Service MODE
3.0-3.6v
22
75
A16
Bus
SDA0
23
A8
SCL0
74
Bus
24
A7
73
RSTIN
25
72
A9
D11
26
71
A6
D3
27
70
A5
D4
D5
A4
28
69
A10
D9
Vdd33
A3
29
A2
D13
68
A11
Vss33
30
67
31
66
C1050
32
65
16V
0.1u
DL1090
ELKE103FA
1
3
2
C1051
4V
C1057
C1064
C1068
100u
16V
16V
16V
0.1u
0.1u
0.1u
C1203
C1202
50V
50V
100p
220p
R1132
22
R1125
R1134
R1140
R1147
R1130
R1137
EXB38V680JV
EXB38V680JV
EXB38V680JV
EXB38V680JV
EXB38V680JV
EXB38V680JV
21
22
MAIN12V
MAIN5V
STB5.0V
R1171
R1175
SUB5V
10k
2.7k
IC1009
C1073
R1184
R1188
16V
10k
10k
R1170
0.1u
C0JBAZ001839
R1186
R1190
10k
10k
10k
5V<=>3.3V
R1181
10k
R1192
10k
20
1
Vcc
nc
19
2
OE
SDA1
A1
SDA0
STB_SDA0
18
3
B1
SDA1
SCL1
A2
SCL0
STB_SCL0
17
4
B2
SCL1
SDA1L
A3
SDA0L
16
5
B3
SDA1L
SCL1L
A4
SCL0L
15
6
B4
SCL1L
SDA2
A5
STB_SDA2
SDA2
14
7
B5
SDA2
SCL2
A6
STB_SCL2
SCL2
13
8
B6
SCL2
SDA0
A7
STB_SDA1
SDA1
12
9
B7
SDA0
SCL0
A8
STB_SCL1
SCL1
11
10
B8
SCL0
GND
JS081
R1179
C1076
47k
16V 0.1u
1
8
E0
Vcc
IC1008
WRITE
2
7
E1
WC
C3EBHC000020
PROTECT
EEPROM
3
6
E2
SCL
R1182
100
R1183
100
4
5
Vss
SDA
R1189
R1193
Q1019
10k
D1009
B1ABCC000004
MA3X152K0L
2SD0601A0L
B0ACCJ000016
SWITCHING
R1225
10k
Q1225
AV MUTE
100
2SB0709A0L
R1226
TRIG_OUT
10k
R1227
0
TRIG_IN
R1111
100
D1227
MSP_DEF
MA2J11100L
100
R1162
FAN-MAX/MIN
100
AV_MUTE
R1163
AMUTE
R1164
100
TVON
R1259
100
FREERUN
MAIN_DEF
C1069
16V 0.1u
C1070
16V 0.1u
R1155
100
DAC RESET
POW_STAT
R1156
4.7k
SOS-INFO
R1157
22k
SP_MUTE
R1167
100
POFF_DEF
R1249
15k
LED-G
R1169
100
LED-R
R1153
100
STB_SDA0
R1154
100
STB_SCL0
C1072
16V
0.1u
C1071
16V
0.1u
AD_D11
AD_D3
AD_D4
R1178
AD_D10
100
GC_RESET
R1180
R1187
R1158
0
1k
EXB38V680JV
AD_D12
C1093
C1077
AD_D2
R1185
50V
16V
AD_D5
0.01u
5.6k
10u
AD_D9
MCU-RST
R1159
R1177
EXB38V680JV
0
C1075
50V
100p
23
IC1011
C0JBAE000231
R1195
10k
1
14
1A
Vcc
TRIG_OUT
C1080
2
13
16V
1B
4B
0.1u
3
12
1Y
4A
4
11
2A
4Y
5
10
2B
3B
6
9
2Y
3A
7
8
GND
3Y
SN74LVC32APWR
AE_WR
TDO
OR GATE
TRIG_IN
R1196
10k
R1197
10k
L1009
10k
G1C4R7MA0063
DL1091
ELKE103FA
3
2
AD_D0
C1082
16V
0.1u
AD_D1
AD_D2
C1083
AD_D3
16V
0.1u
AD_D4
AD_D5
AD_D6
C1084
16V
0.1u
AD_D7
C1205
50V
100p
AE_LDQM
AE_WR
AC_A15
AC_A14
AE_CS
AC_A12
AC_A13
AC_A10
AC_A0
AC_A1
AC_A2
IC1010
AC_A3
C1078
16V
PST9128NR
0.1u
RESET
TH-42PA20B/E DG-Board(3of8)Schematic Diagram
24
25
12v
9v
52
5v
54
56
AC_A16
AC_A15
1
48
A15
A16
AC_A14
2
47
A14
BYTE
AC_A13
3
46
A13
Vss
AD_D15
AC_A12
4
45
A12
DQ15/A-1
AD_D7
AC_A11
5
44
A11
DQ7
AD_D14
AC_A10
6
43
A10
DQ14
AD_D6
AC_A9
7
42
A9
DQ6
AD_D13
AC_A8
8
41
A8
DQ13
AD_D5
AC_A19
9
40
A19
DQ5
AD_D12
10
39
NC
DQ12
AD_D4
11
38
WE
DQ4
12
37
RESET
Vcc
C1092
R1202
AD_D11
0.1u
5.6k
13
36
NC
DQ11
16V
AD_D3
14
35
NC
DQ3
R1203
5.6k
AD_D10
15
34
RY/BY
DQ10
AD_D2
AC_A18
16
33
A18
DQ2
AD_D9
AC_A17
17
32
A17
DQ9
AD_D1
AC_A7
18
31
A7
DQ1
AD_D8
AC_A6
19
30
A6
DQ8
AD_D0
AC_A5
20
29
A5
DQ0
AC_A4
21
28
AI_RD
A4
OE
AC_A3
22
27
A3
Vss
AI_CSD
AC_A2
23
26
A2
CE
AC_A1
24
25
A1
A0
AC_A0
1
C1081
C1087
4V
16V
100u
0.1u
220p
C1204
50V
1
54
VDD
VSS
AD_D15
2
53
DQ0
DQ15
3
52
VDDQ
VSSQ
4
51
AD_D14
DQ1
DQ14
AD_D13
C1207
5
50
DQ2
DQ13
50V
220p
6
49
VSSQ
VDDQ
AD_D12
C1088
16V
7
48
DQ3
DQ12
0.1u
AD_D11
8
47
DQ4
DQ11
9
46
VDDQ
VSSQ
10
45
AD_D10
DQ5
DQ10
11
44
AD_D9
C1089
DQ6
DQ9
16V
0.1u
12
43
VSSQ
VDDQ
AD_D8
13
42
DQ7
DQ8
14
41
VDD
VSS
C1208
15
40
50V
DQML
NC
100p
16
39
AE_UDQM
WE
DQMH
17
38
AE_CLK
CAS
CLK
18
37
RAS
CKE
19
36
CS
NC
AC_A11
20
35
BA0
A11
AC_A9
21
34
BA1
A9
AC_A8
22
33
A10
A8
AC_A7
23
32
A0
A7
24
31
AC_A6
A1
A6
25
30
AC_A5
A2
A5
26
29
AC_A4
A3
A4
27
28
VDD
VSS
C1086
16V 0.1u
C1206
50V
220p
C1091
1
NC
5
VCC
16V
VCC
0.1u
2
INPUT
INPUT
IC1014
3
GND
4
OUTPUT
GND
OUTPUT
C0JBAB000553
INVERTER
62
64
26
27
51
53
55
57
58
59
60
61
63
65
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