Schematic diagram: vcm-88e, page 2 of 4 – Ashly VCM-88 User Manual
Page 17
17
Operating Manual - VCM-88, VCM-88E, RD-8, RW-8 Level Controllers
1
2
3
4
5
6
78
A
B
C
D
E
8
7
6
5
4
3
2
1
E
D
C
B
A
B
APPROVED:
D
w
g
#
Size
Drawn B
y
Rev.
B
10s5320b-3.Sch
10s5322
VCM-88E Analo
g
Channels 1-4
Dan Szaba
Sheet #
o
f
34
847 Holt Road
Webster, NY 14580-9103
Phone:
F
a
x
:
(716) 872-0010
(716) 872-0739
Print Date
6-Jan-2004
11:31:58
A->B @ 157%
C
$VKO\
$XGLR
,QF
10
9
8
U101C
TLE2064
12
13
14
U121D
TLE2064
C101
10U
R101
1M
MUX1
R103
15.8K
R102
9.76K
-18
+18
-3.75V=+20dB
+15.1V=-75dB
DC1
3
2
1
11
4
U121A
TLE2064
12
13
14
U201D
TLE2064
10
9
8
U201C
TLE2064
12
13
14
U101D
TLE2064
+18
-18
1
2
3
4
J102
HDRM 1X4
C102
47U
C103
47U
C107
27P
C104
27P
R110
10.0K
R111
10.0K
C106
.1U
C105
.1U
R112
10.0K
R113
10.0K
2
1
8
5
7
4
6
3
+
-
U102
2180LC
R114
19.6K
R105
1K
R104
1K
R106
33
R115
5.6K
+18
-18
C108
.1U
R109
100K
R108
100K
DC1
MUX1
J103
R116
19.6K
C111
27P
C109
.1U
C112
47U
C110
.1U
R123
1
5
K
R122
1
8
K
R125
62K
R124
1
K
R126
1
5
K
D102
1N4148
D101
1N4148
VR100
25KLOG
-18
Q101
2N4125
-18
THRESHOLD
R127
100
RATIO 10:1
C114
1.5U
R130
6.8K
R129
68K
R128
100K
C113
1.5U
RELEASE
Q102
2N4123
+18
R132
2.7K
R131
1M
+18
R133
47K
Q103
2N4123
R134
2.4K
-18
D103
1N4148
D104
Y [T1]
LimLED1
6
5
4
3
2
1
J101
EUROBLOCK 6
+
-
G
+
-
G
Out1
IN
OUT
O1
Patch Input
R118
10K
R117
10K
SUM
R119
100
O1
1
2
3
J104
HDRM 1X3
R120
100
Out1
R121
100
1
J105 Patch
R107
1K
Output
5
6
7
U101B
TLE2064
10
9
8
U121C
TLE2064
C201
10U
R201
1M
MUX2
R203
15.8K
R202
9.76K
-18
+18
-3.75V=+20dB
+15.1V=-75dB
DC2
5
6
7
U121B
TLE2064
3
2
1
11
4
U201A
TLE2064
5
6
7
U201B
TLE2064
3
2
1
11
4
U101A
TLE2064
1
2
3
4
J202
HDRM 1X4
C202
47U
C203
47U
C207
27P
C204
27P
R210
10.0K
R211
10.0K
C206
.1U
C205
.1U
R212
10.0K
R213
10.0K
2
1
8
5
7
4
6
3
+
-
U202
2180LC
R214
19.6K
R205
1K
R204
1K
R206
33
R215
5.6K
+18
-18
C208
.1U
R209
100K
R208
100K
DC2
MUX2
J203
R216
19.6K
C211
27P
C212
47U
R223
1
5
K
R222
1
8
K
R225
62K
R224
1
K
R226
15K
D202
1N4148
D201
1N4148
VR200
25KLOG
-18
Q201
2N4125
-18
THRESHOLD
R227
100
RATIO 10:1
C214
1.5U
R230
6.8K
R229
68K
R
2
2
8
100K
C213
1.5U
RELEASE
Q202
2N4123
+18
R232
2.7K
R231
1M
+18
R233
47K
Q203
2N4123
D203
1N4148
D204
Y [T1]
LimLED1
6
5
4
3
2
1
J201
EUROBLOCK 6
+
-
G
+
-
G
Out2
IN
OUT
O2
Patch Input
R218
10K
R217
10K
SUM
R219
100
O2
1
2
3
J204
HDRM 1X3
R220
100
Out2
R221
100
1
J205 Patch
R207
1K
Output
LimLED2
5
6
7
U122B
NJM2903
R235
1K
D205
1N4148
C215
1.5U
R236
1M
R238
1M
R239
10M
-18
-18
C216
.1
U
R240
100K
Q204
2N4125
D206
G [T1]
SigLED1
SigLED2
LIMIT 2
LIMIT 1
SIG PRES 2
SIG2
3
2
1
8
4
U122A
NJM2903
R135
1K
D105
1N4148
C115
1.5U
R136
1M
R138
1M
R139
10M
+18
C117
.1U
-18
C118
.1U
-18
C116
.1
U
R140
100K
R141
2.4K
Q104
2N4125
D106
G [T1]
SigLED1
-18
SIG PRES 1
SIG2
H120
BRACKET 4-40
10
9
8
U301C
TLE2064
12
13
14
U341D
TLE2064
C301
10U
R301
1M
MUX3
R303
15.8K
R302
9.76K
+18
-18
-3.75V=+20dB
+15.1V=-75dB
DC3
3
2
1
11
4
U341A
TLE2064
12
13
14
U401D
TLE2064
10
9
8
U401C
TLE2064
12
13
14
U301D
TLE2064
+18
-18
1
2
3
4
J302
HDRM 1X4
C302
47U
C303
47U
C307
27P
C304
27P
R310
10.0K
R311
10.0K
C306
.1U
C305
.1U
R312
10.0K
R313
10.0K
2
1
8
5
7
4
6
3
+
-
U302
2180LC
R314
19.6K
R305
1K
R304
1K
R306
33
R315
5.6K
+18
-18
C308
.1U
R309
100K
R308
100K
DC3
MUX3
J303
R316
19.6K
C311
27P
C309
.1U
C312
47U
C310
.1U
R323
1
5
K
R322
1
8
K
R325
62K
R324
1
K
R326
1
5
K
D302
1N4148
D301
1N4148
VR300
25KLOG
-18
Q301
2N4125
-18
THRESHOLD
R327
100
RATIO 10:1
C314
1.5U
R330
6.8K
R329
68K
R328
100K
C313
1.5U
RELEASE
Q302
2N4123
+18
R332
2.7K
R331
1M
+18
R333
47K
Q303
2N4123
LimLED2
D303
1N4148
D304
Y [T1]
LimLED3
6
5
4
3
2
1
J301
EUROBLOCK 6
+
-
G
+
-
G
Out3
IN
OUT
O3
Patch Input
R318
10K
R317
10K
SUM
R319
100
O3
1
2
3
J304
HDRM 1X3
R320
100
Out3
R321
100
1
J305 Patch
R307
1K
Output
5
6
7
U301B
TLE2064
10
9
8
U341C
TLE2064
C401
10U
R401
1M
MUX4
R403
15.8K
R402
9.76K
-18
+18
-3.75V=+20dB
+15.1V=-75dB
DC4
5
6
7
U341B
TLE2064
3
2
1
11
4
U401A
TLE2064
5
6
7
U401B
TLE2064
3
2
1
11
4
U301A
TLE2064
1
2
3
4
J402
HDRM 1X4
C402
47U
C403
47U
C407
27P
C404
27P
R410
10.0K
R411
10.0K
C406
.1U
C405
.1U
R412
10.0K
R413
10.0K
2
1
8
5
7
4
6
3
+
-
U402
2180LC
R414
19.6K
R405
1K
R404
1K
R406
33
R415
5.6K
+18
-18
C408
.1U
R409
100K
R408
100K
DC4
MUX4
J403
R416
19.6K
C411
27P
C412
47U
R423
1
5
K
R422
1
8
K
R425
62K
R424
1
K
R426
1
5
K
D402
1N4148
D401
1N4148
VR400
25KLOG
-18
Q401
2N4125
-18
THRESHOLD
R427
100
RATIO 10:1
C414
1.5U
R430
6.8K
R429
68K
R
4
2
8
100K
C413
1.5U
RELEASE
Q402
2N4123
+18
R432
2.7K
R431
1M
+18
R433
47K
Q403
2N4123
D403
1N4148
D404
Y [T1]
LimLED3
6
5
4
3
2
1
J401
EUROBLOCK 6
+
-
G
+
-
G
Out4
IN
OUT
O4
Patch Input
R418
10K
R417
10K
SUM
R419
100
O4
1
2
3
J404
HDRM 1X3
R420
100
Out4
R421
100
1
J405 Patch
R407
1K
Output
LimLED4
5
6
7
U342B
NJM2903
R435
1K
D405
1N4148
C415
1.5U
R436
1M
R438
1M
R439
10M
-18
-18
C416
.1U
R440
100K
Q404
2N4125
D406
G [T1]
SigLED3
SigLED4
LIMIT 4
LIMIT 3
SIG PRES 4
SIG4
3
2
1
8
4
U342A
NJM2903
R335
1K
D305
1N4148
C315
1.5U
R336
1M
R338
1M
R339
10M
+18
C317
.1U
-18
C318
.1U
-18
C316
.1
U
R340
100K
Q304
2N4125
D306
G [T1]
SigLED3
SigLED2
SIG PRES 3
SIG4
H340
BRACKET 4-40
J106
J107
J206
J207
J407
J406
J307
1X2 FEMALE SHUNT
J306
R237
20K
R337
20K
R437
20K
R137
20K
(-20 dBu)
(-20 dBu)
(-20 dBu)
(-20 dBu)
CH.1
CH.3
CH.2
CH.4
P
2
1
P
2
1
P
2
1
P
2
1
V
T
O
V
T
O
V
T
O
V
T
O
Schematic Diagram: VCM-88E, Page 2 of 4