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CR658
D-0141
Q658
Q-0188
+12V2
F1
SLOW SWEEP TRIGGER
3
2
1
4
1
1
U458A
TL074
+12V2
R761
200K
<8>
AGC_VIDEO
TRIG LEVEL
SLOW SWEEP
<12>
SLW_SWP_+/-
E5
C661
.1UF
5
6
7
U458B
TL074
-12VDCPL
-12VDCPL
R663
121.0K
3
4
U260B
74HC04
C457
.1UF
C557
.1UF
CR559
D-0141
C660
10UF
+12V2
+12V2
R658
100.0K
R656
1.00M
R659
1.00M
R559
4.75K
R661
5.62K
R662
1.00K
SLOW SWEEP RAMP GENERATOR
CR659
D-0141
10
9
8
U458C
TL074
R558
33.2K
R657
1.00K
R458
10.0K
A2
<11>
CR359
D-0141
C359
4.7UF
SLOW_SWP_RAMP
B2
<11>
H2
<12>
CR358
D-0141
CR458
D-0141
12
13
14
U458D
TL074
W_HORZ_GAIN
SLOW_SWP_BLNK
+12V2
R358
71.5K
R357
59.0K
R361
402.0K
R360
1.00M
E4
<12>
CR459
D-0141
CR463
D-0141
SLOW_SWP_EN
R462
2.87K
R562
47.5K
R561
10.0K
R460
13.0K
R560
8.25K
R461
1.00K
6.2V
CR462
D-0141
VR462
D-0760
NC
NC
NC
1
2
U260A
74HC04
5
6
U260C
74HC04
9
8
U260D
74HC04
EXT HORIZONTAL INPUT AMPLIFIER
NC
11 10
U260E
74HC04
POST REGULATORS
-12VDCPL -12VDCPL
-12VDCPL
R359
1.00M
–2.2V SUPPLY
C1591
1UF
Q1586
Q-0188
C1584
1UF
+12V2
-12V2
-12V2
-2.2V
R1585
100.0
R1586
3.01K
R1584
9.09K
R1583
2.21K
C1465
10UF
CR1366
D-0066
W1365
0 OHM
C1058
10UF
CR1365
D-0066
+12V2IN
1
OUT
3
G
2
U1565
7812
C1366
.1UF
C1060
.1UF
C1146
10UF
C1145
10UF
W1251
0 OHM
CR1151
D-0066
+15V+12V1
C1141
.1UF
C1150
.1UF
CR1150
D-0066
+15V IN
1
OUT
3
G
2
U1150
7812
A2
<11>
CR1588
D-0141
3
2
1
8
4
U1595A
34083
EXT_HORZ
+12V2
-12V2
CR1593
D-0141
CR1597
D-0141
+12V2
-12V2
R1599
20.0K
R1598
4.99K
PANEL
EXT
REAR
HORIZ
E4
<12>
5
6
7
U1595B
34083
/EXT_HORZ_EN
-12V2
R1597
10.0K
R1593
51.1K
-12V2
R1590
1.50K
R1589
2.74K
R1591
6.34K
CR1142
D-0066
-15V IN
2
OUT
3
G
1
U1243
7912
DECOUPLED SUPPLIES
CR1141
D-0066
W1043
0 OHM
-15V-12V1
CR1060
D-0066
W1061
0 OHM
CR1061
D-0066
-12V2IN
2
OUT
3
G
1
U961
7912
FAN POWER
SUPPLY
C1578
10UF
R1577
100.0
RED
PANEL
REAR
+
B1
R1
BLACK
SEE ELECTRICAL PARTS LIST
PARTS WITHIN BOX
HAVE BEEN CHANGED
IN REAR OF MANUAL
-15V
R1578
100.0
L157
3.9UH
C160
220UF
L758
3.9UH
C758
2.7UF
-12V2
+5V +5VD
-12VDCPL
1780R–SERIES
SLOW SWEEP & EXT HORIZ INPUT <13>
PART OF A2 WAVEFORM BOARD