Video A/D Converter) Schematic Diagram - Sony DSR-50P Service Manual

JC-20 (VIDEO A/D CONVERTER) SCHEMATIC DIAGRAM • See page 4-15 for JC-20 printed wiring board. • See page 4-147 for waveforms.
1
2 3 4
JC-20 BOARD (2/14)
A
VIDEO A/D CONVERTER
-REF.NO.:20,000 SERIES-
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
R2/
R1156
4700 P1.6
14
5 5
14 13 12 11 10 9 8 CL1145
5 R1180
G
10k
IC1101 Q1116
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-20 BOARD (9/14)
CR_CLP_ERR
CB_CLP_ERR
K
R1174
XX
R1170
4700
R1185 R1190
15k
4700
R1175
3300
SIGNAL PATH C1123 C1194
47u 47u
6.3V
L 6.3V
VIDEO SIGNAL
CHROMA Y
REC
M
05
5 6 7 8 9
GND
10
JC-20 BOARD (14/14) VIDEO_-5V
+5V
Y_IN
CR_IN
9 JC-20 BOARD (1/14)
CB_IN
-5V
11 JC-20 BOARD (4/14) AFH_CLP
CL1161
R1.2/P1
13 12 11 10 9 8
5 2.9 2.9 2.9
R1.1/
P0.7 R1207
4700
8 7 6 5
C1146
0.01u
CL1165
IC1102 IC1105
BA10358F-E2
RV1103
C1147
1k
0.01u
R1208
0 1 2 3 4
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
IC1107
CL1160
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
C1149
5 2 2 2
RV1100
0.01u
4700
RV1100
R1199 CL1170
15k A/D CONV.
REF.VOLTAGE 1 CL1168
C1135
RV1101
RV1101
0.01u 4700
R1200 A/D CONV.
REF.VOLTAGE 2
8200
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
6.3V C1138
6.3V
0.01u
C1145
R1194
0.01u
4700
C1187 R1196
C1130 C1136 C1110
100u 100u 15k 100u 100u
6.3V 6.3V 6.3V 6.3V
4-21
10 11 12 13
6 Q1126
2SC4081T106R
5
R1182 L1109
5 1k 10uH
Q1117
-0.3
2SC4081T106R
R2.2/P5
C1114
1u R1.6/ R1191
R1167
16V CL1157
-0.9 100 P4.6 100
R1158
C1112
Q1120 -4.9
22u 0
2SC3326N-TE85L-B
4V
R1.6/
R0.9/P0.7
P4.6
R1151
C1120
22k R1.2/P1
XX
C1127
C1117
R1164 R1176 0.01u
R1153
10u R1186 C1131
2200 4700
1k 6.3V 10p
1800
7
R1183 5
1k
5
Q1118 Q1127
-0.3 2SC4081T106R 2SC4081T106R
R2.6/P5
C1115
1u R1192
R1168 R2/
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
C1118 R1165 R1177 0.01u
C1132
R1154 10u 10k 4700 R1187
1k 10p
6.3V 1800
8
R1184 5
1k
5
Q1119 Q1128
-0.2 2SC4081T106R
2SC4081T106R
R2.6/P5
C1116
1u R1193
R1169 R2/
100 CL1159
16V
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
22k R2/P1.7
XX
C1129
R1155
C1119 R1166 R1178 0.01u
1k
10k 4700 C1133
10u R1188
10p
6.3V 1800
RV1104
CB CLAMP
REF.VOLTAGE
14 15 16 17 18
L1114
10uH
C1159
C1177
XX
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
C1160 10uH C1178
0.01u
XX
C1172
10u
6.3V
3.2
16
CL1175
2.9
L1110 L1113 10uH
3.2
10uH
IC1109
C1143
C1167 3.2
0.01u 10u
C1175
C1144 6.3V 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 10u 0.01u
6.3V
L1116
10uH C1179
C1161
0.01u
XX
C1173
10u
6.3V
3.2
16
CL1177
2.9
L1111 10uH
3.2
IC1110
C1153 C1165 3.2
10u
XX C1176
6.3V
0.01u IC1110
CXD2300Q-T4
R1.9/P4
14
CL1178
1
25 26 27 28 29 30 31 32
C1154 C1170
0.01u
0.01u
C1150 C1164
10u
10u
6.3V 6.3V
4-22
DSR-50/50P
19 20 21
13
SPCK1
JC-20 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
11 14
Y4
R1.2/P3.2
JC-20 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-20 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
VIDEO A/D CONVERTER
JC-20 (2/14)