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DSR-11
JC-20 (VIDEO PB AMP) SCHEMATIC DIAGRAM • See page 4-15 for JC-20 printed wiring board. • See page 4-95 for waveforms.
1
2
3
JC-20 BOARD (1/14)
A
VIDEO PB AMP
-REF.NO.:20,000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
+5V
1
JC-20 BOARD (14/14)
GND
B
CN1101
30P
CL1110
N.C.(PANEL Y)
1
CL1111
N.C.(GND)
2
CL1112
N.C.(PANEL CR)
3
CL1113
N.C.(GND)
4
CL1114
N.C.(PANEL CB)
5
CL1115
N.C.(GND)
6
CL1116
N.C.(LINE CB)
7
CL1117
C
N.C.(GND)
8
CL1118
N.C.(LINE CR)
9
CL1119
N.C.(GND)
10
CL1120
N.C.(LINE Y)
11
CL1121
N.C.(GND)
12
CL1122
VD-031 BOARD (1/5)
MONITOR Y
13
CL1123
CN002
GND
14
THROUGH THE
CL1124
MONITOR C
15
FJV-001 FLAT CABLE
D
CL1125
(SEE PAGE 4-51)
GND
16
CL1126
AFC Y
17
CL1127
GND
18
CL1128
Y_IN
19
CL1129
GND
20
CL1130
CR_IN
21
CL1131
GND
22
CL1132
CB_IN
23
CL1133
E
GND
24
CL1134
HUE_ADJ
25
CL1135
PB/XEE
26
CL1136
S/XV
27
CL1137
VD_FROM_HI
28
CL1138
VD_TO_HI
29
CL1139
N.C.(V_FROM_SYNCGEN)
30
R1101
F
XX
2
JC-20 BOARD (9/14)
HUE_ADJ
PB/XEE
S/XV
3
JC-20 BOARD (11/14)
XI/O_SINC_HI
VFD_HD
VFD_VD
Y_SIKISA
G
Y_OUT
4
JC-20 BOARD (5/14)
CR_OUT
CB_OUT
C_OUT
5
JC-20 BOARD (5/14)
OSDVD
VD_HD
6
JC-20 BOARD (14/14)
V_FROM_SYNCGEN
H
DPB_CBOUT
DPB_CROUT
7
JC-20 BOARD (14/14)
05
DPB_YOUT
VIDEO PB AMP
JC-20 (1/14)
4
5
6
L1100
L1102
L1117
L1118
L1119
L1120
R1222
L1121
82
R1223
82
L1104
L1105
R1019
L1108
L1000
XX
10uH
L1001
L1101
R1021
XX
L1122
R1020
XX
L1107
R1018
0
3.2
C1100
2.7
10u
6.3V
C1101
0.01u
2SA1576A-T106-R
4-19
7
8
9
10
Q1103
XX
R1113
XX
C1103
R1221
IC1000
XX
R1220
XX
R1000
XX
XX
R1108
XX
XX
R1109
R1001
XX
XX
C1008
1
2
3
XX
4V
6
4
R1002
R1015
C1000
C1001
XX
XX
XX
XX
FL1100
XX
Q1100
R1116
XX
XX
R1111
C1106
R1117
220
22p
1k
IC1112
5
4.1
IC1112
LM7131BCM5X
R1219
R1112
1k
0
1
1.2
5
3.5
R1218
-4.9
1500
1
2
3
0.4
0.4
C1184
6
4
22u
4V
FL1101
R1217
C1185
C1186
470
R1120
0.01u
0.01u
470
Q1101
R1216
22k
Q1129
FL1102
2SC4081T106R
5
6
4
2.8
1
2
3
C1107
2.2
0.01u
R1118
1k
R1110
R1114
XX
2200
11
12
13
Q1114
XX
R1139
XX
R1011
IC1002
XX
XX
R1009
XX
R1136
1k
C1005
1
2
3
XX
4V
6
4
C1006
R1143
R1010
C1007
XX
XX
FL1104
XX
XX
Q1112
XX
R1129
R1005
XX
XX
IC1001
R1003
XX
R1006
Q1111
R1127
XX
XX
XX
XX
R1007
XX
1
2
3
C1002
XX
4V
6
4
C1003
C1004
R1008
FL1103
R1134
R1004
XX
XX
XX
XX
XX
Q1109
XX
IC1111
R1215
0
5
2
1.2
5
R1123
1k
5
-4.9
C1181
R1212
0.01u
1500
0.4
0.4
Q1130
2SC4081T106R
4.4
IC1111
LM7131BCM5X
R1125
R1213
R1214
C1182
C1183
2200
22k
470
0.01u
0.01u
4-20
14
15
16
8
AFC_Y
JC-20 BOARD (4/14)
Y_IN
CR_IN
9
JC-20 BOARD (2/14)
CB_IN
-5V
R1012
XX
R1013
XX
R1014
XX
XX
XX
SIGNAL PATH
VIDEO SIGNAL
CHROMA
Y
REC
PB
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