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JC-21 (2/14) (VIDEO A/D CONVERTER) • See page 4-99 for JC-21 printed wiring board. • See page 4-134, 135 for waveforms.
1
2
3
4
JC-21 BOARD (2/14)
A
VIDEO A/D CONVERTER
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
B
R1171
1k
C
R1161
C1125
0.01u
XX
CL1155
R1.1/
P0.7
14
D
R1179
1k
1
E
R1172
4700
C1124
R1162
XX
CL1154
F
R1156
R2/
P1.6
4700
14
5
5
CL1145
14
13
12
11
10
9
8
5
R1180
G
Q1116
10k
IC1101
UN5213-TX
CL1152
1
1
2
3
4
5
6
7
5
5
H
R1173
C1126
R1157
4700
0.01u
XX
R1163
CL1156
XX
R1106
CL1181
XX
I
R2/
P1.6
14
J
1
Y_CLP_ERR
12
JC-21 BOARD (9/14)
CR_CLP_ERR
CB_CLP_ERR
K
R1174
XX
R1170
4700
R1185
R1190
4700
15k
R1175
3300
SIGNAL PATH
C1123
C1194
C1130
47u
47u
6.3V
6.3V
L
VIDEO SIGNAL
CHROMA
Y
REC
M
05
5
6
7
8
9
GND
10
JC-21 BOARD (14/14)
VIDEO_-5V
+5V
Y_IN
CR_IN
9
JC-21 BOARD (1/14)
CB_IN
-5V
11
JC-21 BOARD (4/14)
AFH_CLP
CL1161
R1.2/P1
13
12
11
10
9
8
5
2.9
2.9
2.9
R1.1/
R1207
P0.7
4700
8
7
6
5
C1146
0.01u
CL1165
IC1102
IC1105
BA10358F-E2
RV1103
C1147
1k
0.01u
R1208
1
2
3
4
0
1
1
1
-4.9
RV1103
2
3
4
5
6
7
Y CLAMP
REF.VOLTAGE
5
1.2
1.2
1.2
IC1105
C1134
0.01u
0.01u
CL1160
IC1107
R1201
47
R2/
2.6
P1.7
8
7
6
5
13
12
11
10
9
8
IC1103
1
2
3
4
3.2
R1204
1500
CL1169
C1141
C1148
C1140
10u
0.01u
0.01u
6.3V
2
3
4
5
6
7
5
2
2
2
C1149
RV1100
0.01u
4700
RV1100
R1199
CL1170
15k
A/D CONV.
REF.VOLTAGE 1
CL1168
C1135
RV1101
0.01u
RV1101
4700
A/D CONV.
R1200
8200
REF.VOLTAGE 2
C1142
0.01u
CL1162
R2/
P1.7
2.9
2.9
2.9
-4.9
2.9
2.9
2.9
13
12
11
10
9
8
14
13
12
11
10
9
8
R1205
R1209
1k
1k
IC1104
IC1106
RV1104
CL1164
2200
RV1102
2200
CL1171
CL1163
2
3
4
5
6
7
R1206
1
2
3
4
5
6
7
1k
5
2
2
2
1
1
1
5
1
1
1
RV1102
CR CLAMP
REF.VOLTAGE
R1189
R1195
XX
XX
C1109
C1188
100u
100u
C1138
6.3V
6.3V
0.01u
C1145
R1194
0.01u
4700
C1187
R1196
C1136
C1110
15k
100u
100u
100u
100u
6.3V
6.3V
6.3V
6.3V
4-13
10
11
12
13
Q1126
6
2SC4081T106R
5
R1182
L1109
5
1k
10uH
Q1117
-0.3
2SC4081T106R
R2.2/P5
C1114
1u
R1167
R1.6/
R1191
-0.9
16V
100
CL1157
100
P4.6
C1112
R1158
-4.9
0
Q1120
22u
4V
2SC3326N-TE85L-B
R1.6/
R0.9/P0.7
P4.6
R1151
C1120
R1.2/P1
22k
XX
C1127
C1117
R1164
R1176
0.01u
R1153
10u
2200
4700
R1186
C1131
1k
6.3V
1800
10p
7
R1183
5
1k
5
Q1118
Q1127
-0.3
2SC4081T106R
2SC4081T106R
R2.6/P5
C1115
1u
R1192
R2/
R1168
16V
100
CL1158
-0.9
100
P4.5
C1111
R1159
Q1121
-4.9
22u
0
2SC3326N-TE85L-B
4V
R2/
R0.9/P0.7
P4.5
R1150
C1121
R2/P1.7
22k
XX
C1128
R1165
R1177
0.01u
C1118
C1132
R1154
10u
10k
4700
R1187
1k
6.3V
1800
10p
8
R1184
5
1k
5
Q1128
Q1119
-0.2
2SC4081T106R
2SC4081T106R
R2.6/P5
C1116
R1193
1u
R1169
R2/
16V
100
CL1159
100
P4.5
-0.9
C1113
R1160
-4.9
22u
0
Q1122
2SC3326N-TE85L-B
4V
R2/
R0.9/P0.7
P4.5
R1152
C1122
R2/P1.7
22k
XX
C1129
R1155
R1166
1k
C1119
R1178
0.01u
C1133
10u
10k
4700
R1188
10p
6.3V
1800
RV1104
CB CLAMP
REF.VOLTAGE
14
15
16
17
18
L1114
10uH
C1159
XX
C1177
0.01u
C1171
10u
6.3V
C1139
3.2
10u
6.3V
16
C1137
0.01u
CL1173
2.9
L1112
10uH
3.2
IC1108
C1166
3.2
10u
C1174
6.3V
0.01u
IC1108
CXD2300Q-T4
R1.6/P4
9
CL1174
1
R1197
0
25 26 27 28 29 30 31 32
C1151
C1162
10u
10u
6.3V
6.3V
L1115
C1178
C1160
10uH
0.01u
XX
C1172
10u
6.3V
3.2
16
CL1175
2.9
L1113
10uH
L1110
3.2
10uH
IC1109
C1143
C1167
3.2
0.01u
10u
C1175
6.3V
C1144
0.01u
IC1109
CL1166
10u
CXD2300Q-T4
6.3V
R1.9/P4
CL1167
12
CL1176
1
25 26 27 28 29 30 31 32
C1152
10u
6.3V
C1158
C1163
C1169
0.01u
0.01u
10u
6.3V
L1116
10uH
C1179
C1161
XX
0.01u
C1173
10u
6.3V
3.2
16
CL1177
2.9
L1111
10uH
3.2
IC1110
C1165
3.2
C1153
10u
XX
C1176
6.3V
0.01u
IC1110
CXD2300Q-T4
R1.9/P4
14
CL1178
1
25 26 27 28 29 30 31 32
C1170
C1154
0.01u
0.01u
C1164
C1150
10u
10u
6.3V
6.3V
4-14
DSR-25
19
20
21
13
SPCK1
JC-21 BOARD (4/14)
C1180
R1211
XX
0
15
14
13
12
11
10
9
10
R0.8/P3.2
Y7
R1.3/P3.2
Y6
R1.3/P3.2
Y5
R1.6/P3.2
14
11
Y4
R1.2/P3.2
JC-21 BOARD (5/14)
Y3
R1.2/P3.2
Y2
R1.2/P3.2
Y1
R1.4/P3.2
Y0
15
14
13
12
11
10
9
10
R1.8/P3.2
CR7
R1.4/P3.2
CR6
R1.4/P3.2
CR5
R1.4/P3.2
13
CR4
R1.4/P3.2
CR3
R1.6/P3.2
CR2
R1.6/P3.2
CR1
R1.4/P3.2
CR0
15
JC-21 BOARD (3/14)
3.2
15
14
13
12
11
10
9
10
R1.9/P3.2
CB7
R1.3/P3.2
CB6
R1.3/P3.2
CB5
R1.5/P3.2
15
CB4
R1.1/P3.2
CB3
R1.1/P3.2
CB2
R1.3/P3.2
CB1
R1.4/P3.2
CB0
JC-21 (2/14)
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