– AMPLIFIER
+12V1
TP1130
C1036
.1UF
-12V1
R1037
332.0
R1038
332.0
R1044
10.0
+ AMPLIFIER
Q1025
Q-0719
+12V1
R1028
332.0
R1023
22.1
R1029
100.0
CR1022
D-0141
C934
.1UF
+12V1
R1021
332.0
R934
10.0
<1>
H2
J1322
CONNECTS
A8 INPUT
BOARD
SIG A
TO P1322
& BNC
1
2
J1322
2 VOLTS P-P
1
<7>
E2
SEL_A+
-12V1
R1321
953.0
R1420
1.00K
R1322
100.0
R1319
7.32K
R1320
4.32K
Q1028
Q-0367
C1024
47PF
1
1
4
4
3
1
3
2 5
U1327A
CA3102
TP1128
C1029
.1UF
CURRENT_+
-12V1
R1326
100.0
R1024
100.0
R1128
124.0
2
E1
<7>
A1
<5>
Q1036
Q-0719
1
1
4
4
3
1
3
2 5
U1336A
CA3102
CR1040
D-0141
C1040
47PF
SIGNAL_+
-12V1
R1436
7.32K
R1331
100.0
R1039
100.0
R1040
22.1
R1435
4.32K
SEL_B1-
A2
<5>
Q1034
Q-0367
TP1138
C936
.1UF
SIGNAL_-
+12V1
R1035
124.0
R936
100.0
R1438
100.0
D5 A2
4
TP1345
INT_VIDEO
+12VDCPL
R1537
4.02K
8.2V
REFERENCE SWITCH
Q1524
Q-0188
VR1524
D-0217
+12VDCPL
+12V1
+12V1
R1539
12.1K
2VOLTS
C4
<7>
Q1424
Q-0198
INT_A
SIG_A
R1529
49.9K
R1423
1.00K
R1336
100.0
R1421
1.00K
E1
<7>
1
1
4
4
3
1
3
2 5
U1237A
CA3102
SIGNAL_+
CURRENT_-
SIG_A
SIG_B
-12V1
-12V1
R1233
100.0
R1335
4.32K
R1334
7.32K
SEL_B2-
8
7
11
9
6
10 12
U1327B
CA3102
R1325
100.0
B1 CMR
R1333
5K
C1329
2-18PF
SIG_B
SIG_A
R1329
100.0
R1330
953.0
R1332
1.00K
SIG B1
<1>
J1331
CONNECTS
A8 INPUT
BOARD
TO P1331
H4
& BNC
1
2
J1331
SIG B2
<2>
H2
J1231
CONNECTS
A8 INPUT
BOARD
TO P1231
& BNC
1
2
J1231
E2
<7>
B2 CMR
R1221
5K
C1232
2-18PF
SEL_B1+
-12V1
R1232
100.0
R1230
1.00K
R1234
2.00K
R1231
953.0
R1328
4.32K
R1327
7.32K
8
7
11
9
6
10 12
U1228B
CA3102
CURRENT_+
-12V1
R1227
100.0
E1
<7>
1
1
4
4
3
1
3
2 5
U1137A
CA3102
CURRENT_-
CURRENT_-
-12V1
-12V1
R1132
100.0
R1236
4.32K
R1235
7.32K
SEL_B3-
2VOLTS
C4
<7>
CR1525
D-0141
Q1434
Q-0198
INT_B
R1525
5.11K
R1534
49.9K
R1237
100.0
Q1537
Q-0188
C1536
.1UF
CR1526
D-0141
Q1534
Q-0188
+12V1
-12V1
R1538
121.0
<8> <15>
CR1445
D-0141
Q1346
Q-0190
+12VDCPL
-12V1
R1535
20.0
A1
J1446
CONNECTS
TO J499
BOARD
VIDEO
REF
A7
OSCILLATOR
<31>
5
+12VDCPL
R1447
30.1
1
2
J1446
+12VDCPL
R1546
2.00K
R1545
11.5K
Q1529
Q-0188
CR1534
D-0141
C1443
1UF
-12V1
C4
<7>
CR1435
D-0141
INT_SIG+
SIG_B
R1530
49.9K
R1533
5.11K
R1432
1.00K
R1433
1.00K
R1238
100.0
3
F4
<7>
E1
B4
TP1241
8
7
11
9
6
10 12
U1237B
CA3102
TP1141
CALSIG-
CURRENT_-
-12V1
-12V1
-12V1
R1241
100.0
R1240
4.32K
R1239
7.32K
<7>
8
7
11
9
6
10 12
U1126B
CA3102
SEL_CALSIG-
CURRENT_+
-12V1
R1127
100.0
E2
<7>
E2
B3 CMR
R1135
5K
C1131
2-18PF
SEL_B2+
-12V1
R1131
100.0
R1133
2.00K
R1130
953.0
R1129
1.00K
R1228
7.32K
R1229
4.32K
SIG B3
<2>
J1133
CONNECTS
A8 INPUT
BOARD
TO P1133
H4
& BNC
1
2
J1133
E2
<7>
H2
<3>
<7>
SEL_B3+
PROBE_VIDEO
SEL_PROBE+
-12V1
R1225
4.32K
R1224
7.32K
R1126
4.32K
R1125
7.32K
R1124
604.0
<7>
1
1
4
4
3
1
3
2 5
U1126A
CA3102
SEL_CALOSC-
CURRENT_+
-12V1
-12V1
R1226
100.0
J147-17
<12>
E1
8
7
11
9
6
10 12
U1137B
CA3102
8
7
11
9
6
10 12
U1336B
CA3102
CAL_OSC
CURRENT_-
-12V1
-12V1
R1140
100.0
R1139
4.32K
R1340
100.0
R1138
7.32K
Q1429
Q-0198
CR1430
D-0141
SIGNAL_+
R1431
5.11K
R1528
1.00K
R1136
100.0
R1337
100.0
R1439
1.21K
<12>
E4
Q1341
Q-0190
CR1530
D-0141
INT/EXT
+12V1
-12V1
R1341
357.0K
R1346
35.7K
R1345
43.2K
R1344
49.9K
R1342
43.2K
Q1545
Q-0188
Q1443
Q-0188
Q1445
Q-0188
CR1444
-12V1
R1544
121.0
R1444
5.11K
<8>
A1
C1441
.1UF
REF_VIDEO
-12V1
+12V1 +12VDCPL
R1547
30.1
R1441
20.0
SEE ELECTRICAL PARTS LIST
PARTS WITHIN BOX
HAVE BEEN CHANGED
IN REAR OF MANUAL
CR1545
D-0141
REAR
PANEL
EXT REF
CR1540
D-0141
CR1544
D-0141
Q1541
Q-0198
+12V1
-12V1
R1445
5.11K
R1541
475.0
R1540
20.0K
VIDEO
INPUT
SELECTION
C1440
.1UF
Q1438
Q-0190
-12V1
R1440
47.5
R1437
332.0
-9V
E1
<7>
CR1433
D-0141
Q1427
Q-0190
SEL_GND-
CURRENT_-
-12V1
-12V1
R1338
7.32K
R1339
4.32K
R1434
3.01K
R1430
9.31K
R1429
332.0
C1426
.1UF
1
1
4
4
3
1
3
2 5
U1228A
CA3102
CURRENT_+
CURRENT_+
-12V1
-12V1
R1324
100.0
R1323
1.21K
R1422
47.5
E2
<7>
SEL_GND+
-12V1
-12V1
R1318
7.32K
R1222
4.32K
R1223
100.0
1780R–SERIES
-12V1-12V1
-12V1
INPUT & REFERENCE SELECTION <4>
-12V1
PART OF A2 WAVEFORM BOARD