Filter
Top Products
VCXO
+12V
R174
1.21K
C174
.1UF
R279
806.0
C179
82PF
SAMPLING
C191
.01UF
5.1V
TRANSDUCTANCE
AMPLIFIER
LOWPASS
FILTER
+12V
VR196
C196
100UF
REF
VIDEO
J499
CONNECTS
TO J1446
<4>
H4
A2
WAVEFORM
BOARD
1
2
J499
1
BANDPASS
FILTER
C392
220PF
C298
100UF
+12V
+12V
R397
909.0
R296
1.62K
R197
576.0
R298
4.32K
Q297
Q298
2
6
1
2
8
10
4
U193
1496P
C193
.1UF
C187
790PF
R390
100.0
R293
432.0
R188
432.0
R292
100.0
R190
47.5
L186
100UH
C285
170PF
TP186
+12V
R287
1.54K
R184
523.0
TP286
C281
2UF
C177
.1UF
C282
.1UF
3
2
6
57
4
U179
3080E
+12V
+5A
-12V
R179
118.0K
R283
6.81K
R167
6.19K
R168
33.2K
CR283
CR183
BURST LOCK
CENTER FREQ
Y182
14.318MHZ
R275
5.11K
R176
5.11K
C180
105PF
C182
1.2-4.0PF
C167
.1UF
C175
15PF
L179
3.9UH
C176
5-25PF
CR174
3
4
C178
390PF
W169
0 OHM
R271
200.0
R169
8.25K
R175
392.0
Q275
Q169
+5A
R166
4.32K
+5A +5A
+5A +5A
D
2
Q
5
CK
3
Q
6
P
R
4
C
L
1
U171A
74F74
D
12
Q
9
CK
11
Q
8
P
R
1
0
C
L
1
3
U171B
74F74
CR182
R183
200.0K
PULSE
GENERATOR
C273
33PF
+12V
+12V
-12V
R270
2.00K
R267
4.75K
R268
2.74K
Q270
CR267
-12V
R273
432.0
R269
11.0K
R272
47.5
R278
24.9K
CR266
Q269
MIXER
-12V
R189
200.0
DC
BAL
1
5 2
3
1
4
L291
9UH
C289
.001UF
C290
.1UF
R191
2.67K
R391
100.0
R290
6.19K
R187
47.5
R286
500
C392 170PF
1780R 1781RCKT#
220PF
W198
0 OHM
-12V
-12V
R297
2.00K
R295
5.11K
C394
W169
W480 IN
IN
77PF
Y182
R267 2.21K4.75K
100PF
OUT
OUT
17.73448MHZ14.31818MHZ
C283
.1UF
C286
.1UF
C293
.1UF
C294
.1UF
+12V +12V +12V +12V
J115-46
A4
<34>
C190
.1UF
REF_SYNC
-12V
R289
6.19K
C
X
6
R
X
7
A
9
B
10
C
L
1
1
Q
5
Q
12
U376B
74HC221
NC
C374
220PF
C280
150PF
C382
.1UF
+5A
+5A
+12V
R280
100.0
R383
3.74K
R282
200.0
R374
12.1K
Q372
PULSE
GATING
5
6
7
U383B
LM393
+5A
+5A
+5A
R480
11.0K
R483
2.74K
9
10
11
8
U475C
74HC10
4
+12V
-12V
R274
24.9K
R373
11.0K
R370
11.0K
CR273 CR274
Q370
UNLOCK
+5A
R186
1.50K
DS184
+5A
R185
2.74K
A5
R379
10M
C483
.22UF
3
2
1
8
4
U383A
LM393
C383
.1UF
+5A
+12V +12V
R380
267.0
R479
6.19K
R478
15.0K
CR379
NC
C279
220PF
+5A
+5A
1
2
13
12
U475A
74HC10
3
4
5
6
U475B
74HC10
C
X
1
4
R
X
1
5
A
1
B
2
C
L
3
Q
13
Q
4
U376A
74HC221
R281
4.42K
5
C487
1UF
+5A
-12V
+5A
R378
2.74K
R487
100.0
R377
75.0K
CR280
CR386
C387
.001UF
Q386
+12V+12V
-12V
+5A
R288
4.32K
R388
4.32K
R382
2.00K
R386
187.0
Q387
Q390
C287
.1UF
C291
.1UF
C288
.1UF
C297
.1UF
C393
.1UF
C369
.1UF
C477
.1UF
C276
.1UF
C186
.1UF
C173
.1UF
+12V +12V+12V
+5A +5A +5A +5A
-12V -12V-12V
EXT
CW
PANEL
REAR
5.1V
C495
3.9PF
Q594
Q-0190
C593
.1UF
C395
.1UF
+12V
R593
24.9
R492
6.19K
Q493
VR492
ENVELOPE
DETECTOR
EXT CW
INPUT
R387
11.0K
C292
100PF
J115-18
<34>
A3
E3
C372
.1UF
W480
0 OHM
-REF_H_SYNC
+5A
J
1
Q
3
C
L
1
3
CK
12
K
4
Q
2
U472A
74HC107
+V
-V J115-51
<34>
E1
E2
2
Q_INVERT
/Q_INVERT
+V_OUT
J
8
Q
5
C
L
1
0
CK
9
K
11
Q
6
U472B
74HC107
<32>
INPUT
SWITCH
1A
2
1Y
4
1B
3
2A
5
2Y
7
2B
6
3A
11
3Y
9
3B
10
4A
14
4Y
12
4B
13
A/B
1
G
15
U469
74F158
<32>
B1
FSC
/FSC
NC
NC
SEE ELECTRICAL PARTS LIST
PARTS WITHIN BOX
HAVE BEEN CHANGED
NC
NC
NC
NC
<34>
+V
+V
1
IN1
3
IN2
4
-V
6
STB1
13
OUT1
11
OUT2
9
STB2
8
U397
LM361
+5A
9
10
8
U266C
74F86
E4
L592
9UH
L491
9UH
C394
100PF
C396
.1UF
EXT_CW
+12V
-12V
R394
1.33K
R493
432.0
C595
.1UF
C596
.1UF
C594
.001UF
C496
2.2PF
R495
787.0
R494
210.0
R496
6.04K
R596
24.9
R497
11.0K
R595
2.67K
R594
15.0K
J599
J598
1780R–SERIES
-12V
<34>
SUBCARRIER REGENERATOR <31>
PART OF A7 OSCILLATOR BOARD
IN REAR OF MANUAL
-