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C1490
.1UF
C1497
.1UF
+5VD +5VD
50% PT
C1093
.1UF
C991
1UF
C1090
1UF
+5VD +5VD +5VD
COMPARATOR
+12V2 +12V2
R1457
825.0
R1352
3.92K
R1354
2.00K
R1353
2.00K
SYNC 50% DETECTOR
IN
2
S/H
14
VLC
13
OUT
7
NUL
4
+V
9
HOLD
11
N/C
12
N/C
10
NUL
3
-V
5
U1460
SMP-11F
C1561
.1UF
50%_PT_OUT
+12V2
X8 GAIN CLAMPED AMP
+12V2
R1450
1.00K
Q1551
OFFSET
SCH
C1550
.1UF
+12V2
+12V2
+12V2
R1549
2.21K
R1558
47.5K
R1552
47.5K
R1357
100.0K
R1557
1.00K
R1556
1.00K
C1563
5000PF
C1560
.1UF
IN
2
S/H
14
VLC
13
OUT
7
NUL
4
+V
9
HOLD
11
N/C
12
N/C
10
NUL
3
-V
5
U1455
SMP-11F
C1554
.1UF
C1555
5000PF
R1455
10K
+12V2
+12V2
-12V2
-12V2
NC
NC
/ST_SAMP
/BP_SAMP
Q1359
Q-0188
Q1358
Q-0188
+5VD+5VD
R1363
475.0
R1360
475.0
R1359
200.0
R1361
200.0
8
6
7
U1357A
CA3046
1
1
9
1
0
U1357B
CA3046
CKT #
C1351
Y1190
1780R
130PF
14.318MHZ
CR1259
D-0141
50%_PT_OUT 85PF
17.7MHZ
1781R
R1298
1.00K
R1297
1.00K
3US
3US
/BP_SAMP
/ST_SAMP
-12V2-12V2
R1259
475.0
R1362
1.50K
1
2
3
4
5
U1357D
CA3046
NC
NC
L1350
15UH
C1351
130PF
R1355
499.0
R1453
475.0
SYNC TIP/BACK PORCH
SAMPLE-HOLDS
C1553
.1UF
-12V2
2
Q1451
Q-0188
Q1548
Q-0223
Q1450
Q-0190
+12V2
-12V2
-12V2
R1550
10.0K
R1548
100.0
R1451
10.0K
R1452
4.75K
1
G2
<4>
C1347
47UF
INT_VIDEO
-12V2
R1449
4.75K
R1448
1.21K
SYNC LOCKED OSCILLATOR
C1195
.1UF
R1194
9.09K
R1292
604.0
R1293
200.0
R1197
3.01K
1
2
3
Q1293A
Q-0261
4
5
6
Q1293B
Q-0261
C1291
.047UF
TP1290
R1290
118.0K
VCO ADJ
Q1092
Q-0221
C1094
470PF
C1091
267PF
C1086
.01UF
Y1190
14.318MHZ
C1194
1.2-4.0PF
C1288
270PF
+12V2
R1190
392.0
R1196
5.11K
R1091
5.11K
R1086
1.21K
CR1288
D-0269
CR1358
D-0141
CR1357
D-0141
+5VD
-12V2
R1458
1.00K
R1258
2.21K
R1356
4.32K
R1257
3.01K
1
4
12
1
3
U1357C
CA3046
CR1360
D-0141
C1364
2.2PF
NC
NC
F2
<14>
SYNC_GATE
H4
<8>
C4
<14>
INTRALINE
TIMING
/VERT_LOCKOUTINT_SYNC
+5VD
+5VD
R991
1.00K
R992
1.00K
A
1
QA
3
QB
4
QC
5
QD
6
CLR
2
U996A
74HC393
I/CK
1
I
2
I
3
I
4
I
5
I
6
I
7
I
8
I
9
I/O
19
I/O
18
I/O
17
I/O
16
I/O
15
I/O
14
I/O
13
I/O
12
I/OE
11
U1097
16V8-25Q
-12V2
4
C1395
.01UF
+5VD
+5VD
R1090
200.0
R1391
10.0K
R1392
10.0K
C1287
4700PF
+5VD
+5VD
+12V2
+12V2
R1395
100.0
R1296
10.0K
R1185
200.0K
R1399
39.2K
1
2
3
4
5
U1397D
CA3046
8
6
7
U1397A
CA3046
ADJ
FINE SCH
R1281
2K
-12V2-12V2
R1381
7.50K
R1382
4.75K
R1385
10.0K
R1287
4.75K
R1286
4.75K
R1282
10.0
R1384
200.0
R1390
1.00K
1
1
9
1
0
U1397B
CA3046
1
2
3
4
5
U1287D
CA3046
1
1
9
1
0
U1287B
CA3046
8
6
7
U1287A
CA3046
3US
15NS DELAY
SAMPLE PULSE
GENERATOR
NC
3
C1390
.01UF
C1386
22PF
C1391
.01UF
+5VD
R1386
1.00K
D
2
Q
5
CK
3
Q
6
P
R
4
C
L
1
U1490A
74F74
SYNC_GATE
50%_PT_OUT
NC
+5VD
D
12
Q
9
CK
11
Q
8
P
R
1
0
C
L
1
3
U1490B
74F74
C1284
.1UF
+5VD
-12V2
-12V2
-12V2
R1284
499.0
R1283
499.0
1
4
12
1
3
U1397C
CA3046
1
4
12
1
3
U1287C
CA3046
LOCK DETECTOR
R1285
5.11K
R1398
20.0K
R1397
1.00K
NC
SCH COARSE ADJ
J986
1-2 270
o
o
1
2
3
4
5
6
7
8
R987
47K
1
2
3
4
5
6
8
7
J986
RA
RB
RC
RD
RE
RF
NC
OSCILLATOR
PHASE SHIFTER
5
RA
RB
I/CK
1
I
2
I
3
I
4
I
5
I
6
I
7
I
8
I
9
I/O
19
I/O
18
I/O
17
I/O
16
I/O
15
I/O
14
I/O
13
I/O
12
I/OE
11
U990
16V8-25Q
D1
4
Q1
2
Q1
3
D2
5
Q2
7
Q2
6
D3
12
Q3
10
Q3
11
D4
13
Q4
15
Q4
14
CLK
9
CLR
1
U995
74F175
NC
A
13
QA
11
QB
10
QC
9
QD
8
CLR
12
U996B
74HC393
NC
SEE ELECTRICAL PARTS LIST
PARTS WITHIN BOX
HAVE BEEN CHANGED
IN REAR OF MANUAL
NC
NC
NC
J130-11
J130-13
B1
<12>
B2
<12>
6
SYNC_OSC2
SYNC_OSC1
R994
332.0
R996
332.0
NC
NC
NC
NC
RC
RD
RE
RF
+5VD
<14>
F3
G2
G2
3-4 180
5-6 90
7-8 0
o
o
C3
<7>
P986
FLOP2
FLOP1
/DOUBLE
/SCH_OSC
C1394
1UF
Q1396
Q-0188
C1397
.022UF
-12V2
-12V2
R1494
475.0K
R1495
47.5K
R1396
10.0K
Q1395
= UNLOCK
Tsc PULSE
NC
NC
UNLOCK
DECTECTOR
+5VD
+5VD
+5VD
R1496
4.75K
D
2
Q
5
CK
3
Q
6
P
R
4
C
L
1
U1497A
74F74
D
12
Q
9
CK
11
Q
8
P
R
1
0
C
L
1
3
U1497B
74F74
1780R–SERIES
SYNC_GATE
Fsc FEEDBACK
SCH SYNC–LOCKED OSCILLATOR <15>
SYNC_GATE
PART OF A2 WAVEFORM BOARD