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+12VC
R358
301.0
VIDEO
AMPLIFIER
CR355
D-0141
C354
.001UF
+12VC
+12VC
R354
301.0
PANEL
REAR
CH-B2
J4
L163
48NH
C266
.1UF
R165
37.4
CR268
D-0141
1
10
9
2
5
6
K261
AC/DC
+12VC
R166
1.00M
C255
47UF
Q251
Q-1059
R250
6.2M
+12VC
R256
121.0
R258
562.0K
R257
20.0K
R270
6.19K
R361
100.0
1
2
3
4
5
U264D
CA3046
C360
56PF
Q362
Q-0719
R359
221.0
GAIN B2
DC
R367
316.0
R370
50
C367
7.5PF
5.1V
C269
.1UF
VR270
D-0226
+12VC
R368
100.0
8
6
7
U264A
CA3046
P1231
SIG B2
CONNECTS
TO J1231
<4>
A3
A2
WAVEFORM
BOARD
1
2
P1231
L564
56UH
C564
36PF
SIG_B2
-12VC
R470
665.0
R271
1.00K
R369
47.5
RESTORER
C460
470PF
Q456
Q-0190
R458
7.5M
C559
.47UF
C566
.001UF
2
3
6
5
7
4
U464
3080E
C565
450PF
-12VC
+12VC
R454
26.7K
R463
665.0
R460
22M
Q363
Q-0198
C459
100PF
SLOW/FAST
+12VC
-12VC
R364
604.0
R465
1.50K
R464
332.0
R459
301.0K
6
5
7
U354B
TL072
CR271
D-0141
Q350
Q-0198
+12VC
+12VC
-12VC
-12VC
R170
5.62K
R171
665.0
R365
750.0
R351
332.0
3
2
1
8
4
U354A
TL072
1
4
12
1
3
U264C
CA3046
COMMON
GNDREF
R255
4.75K
R151
133.0
1
1
9
1
0
U264B
CA3046
L162
48NH
C150
.1UF
BNC BOARD
PART OF
A8A1
J3
NOTE: GROUNDED BY SCREW,
WHICH MAY BE
REMOVED FOR
FLOATING GROUND
C270
.1UF
C268
10UF
C472
.001UF
C571
10UF
+12V
-12V
R267
10.0
R570
10.0
R290
10.0
MODE GND
+12VC
-12VC
R356
1.21K
-12VC
R350
1.50K
R357
4.02K
SAMPLE_PULSE
-12VC
-12VC
-12VC
R453
118.0K
R569
7.50K
R468
1.50K
CKT #
22PF
22PF
36PF
36PF
1780R
1781R
C564
C588
5.1V
VR294
D-0226
C293
.1UF
+12VB
R391
100.0
8
6
7
U288A
CA3046
GAIN B3
R390
316.0
R394
50
C390
7.5PF
Q385
Q-0719
+12VB
R382
221.0
R381
301.0
VIDEO
AMPLIFIER
Q275
Q-1059
CR379
D-0141
C379
.001UF
R273
6.2M
C278
47UF
+12VB
+12VB
+12VB
R279
121.0
R282
562.0K
R384
100.0
R379
301.0
1
2
3
4
5
U288D
CA3046
C383
56PF
1
10
9
2
5
6
K284
AC/DC
+12VB
-12VB
C291
.1UF
C292
10UF
C495
.001UF
C595
10UF
L187
48NH
+12V
-12V
R593
10.0
PANEL
REAR
J2
CH-B3
BNC BOARD
PART OF
A8A1
J1
<1>
<1>
C5
C5
L186
48NH
C289
.1UF
AC/DC
GNDREF
R184
37.4
CR283
D-0141
GNDREF
+12VB
R185
1.00M
R278
4.75K
R174
133.0
1
1
9
1
0
U288B
CA3046
CR295
D-0141
Q375
Q-0198
+12VB
+12VB
-12VB
R281
20.0K
R294
6.19K
R194
5.62K
R195
665.0
R373
332.0
3
2
1
8
4
U378A
TL072
1
4
12
1
3
U288C
CA3046
Q485
Q-0198
C482
100PF
+12VB
R485
332.0
R482
301.0K
6
5
7
U378B
TL072
DC
RESTORER
C483
470PF
R481
7.5M
C583
.47UF
C590
.001UF
2
3
6
5
7
4
U489
3080E
C589
450PF
-12VB
+12VB
R489
665.0
L588
56UH
C588
36PF
SIG_B3
-12VB
R493
665.0
R295
1.00K
R393
47.5
SIG B3
P1133
CONNECTS
TO J1133
<4>
A4
A2
WAVEFORM
BOARD
1
2
P1133
SEE ELECTRICAL PARTS LIST
PARTS WITHIN BOX
HAVE BEEN CHANGED
Q479
Q-0190
-12VB
-12VB
R478
26.7K
R477
118.0K
R592
7.50K
R491
1.50K
<1>
C5
C5
R483
22M
SLOW/FAST
SLOW/FAST
SAMPLE_PULSE
-12VB
-12VB
R385
1.50K
R387
604.0
-12VB
-12VB
R376
4.02K
R372
1.50K
R388
750.0
COMMON
MODE GND
R375
1.21K
NOTE: SEE DIAGRAM <1> FOR WAVEFORM
C173
.1UF
1780R–SERIES
PHOTOS WHEN A SIGNAL IS
APPLIED TO THIS CIRCUITRY
<1>
SAMPLE_PULSE
INPUT AMPLIFIERS B2 & B3 <2>
IN REAR OF MANUAL
PART OF A8 INPUT & BNC BOARD