Rane ECM82 User Manual
H:\ECM82\102731-1.SCH 21-May-1999
CHANNELS 1-4
102731-2.SCH
CHANNELS 5-8
102731-3.SCH
E/C, MIX & AUX OUT
102731-4.SCH
AVG AMPS C1-C8
102731-5.SCH
J2A
SHEET 3
SHEET 2
CHAN 4 +
CHAN 4 -
2
CHAN 4
+
-
SHEET 3
POST GATE 6
SHEET 3
CHAN 5 +
CHAN 5 -
10
11
CHAN 5
+
-
SHEET 3
POST GATE 8
12
GND
POST GATE 7
9
GND
AG
SHEET 4
GND
SHEET 3
CHAN 6 +
CHAN 6 -
7
8
6
CHAN 6
+
-
SHEET 4
MIX IN
3
GND
SHEET 4
AUX OUT
SHEET 3
CHAN 7 +
415
CHAN 7
+
CHAN 7 -
-
MIX OUT
SHEET 3
CHAN 8 +
CHAN 8 -
EG
2
CHAN 8
+
-
CHAN 3 +
3
415
GND
+
SHEET 3
POST GATE 5
SHEET 2
CHAN 3 -
CHAN 3
-
POST GATE 4
SHEET 2
6
GND
SHEET 2
CHAN 2 +
CHAN 2 -
7
8
CHAN 1
+
-
SHEET 2
POST GATE 3
CHAN 1 +
10
9
GND
+
SHEET 2
POST GATE 2
SHEET 2
CHAN 1 -
11
CHAN 1
-
POST GATE 1
SHEET 2
GND
12
J1A
STATUS LATCH & IN DISPLAY
102731-6.SCH
SLAVE PROCESSOR
102731-7.SCH
POWER SUPPLY
102731-8.SCH
MS EMS
ACTION:
ADDED PRE-GATE CIRCUITRY, MIC IN WAS EXP IN,
ADDED (1) 100 ohm (R176), ADDED NETS /MIC_SIG &
DERIVED FROM 102111&102478, Z7 WAS TL074,
/PROG_SIG, J8-9 WAS DG, SKH 24MAY99
CHECKED BY:DRAWN BY:
Mukilteo WA 98275-5098
4574
220pF
1/50
47.5k
12
Z7D
L4
.
C10
R53
13
14
EG
2
E/C REFERENCE
GND
820pF
R49
22.1k
EG
/CHAN4
/CHAN5
C56
EG
100pF
/CHAN3
/CHAN8
3
AUX OUT
RJ-12
C170
SHEET 7
SHEET 6
/CHAN2
/CHAN7
415
GND
S-NET OUT
123
4
23456
EG
/SNET_BUSY
/PROG_SIG
/CHAN1
/CHAN6
MIX OUT
J7
1
100pF
C169
GND
100
/MIC_SIG
R176
MIX IN
RJ-12
GND
POST GATE 2
SHEET 4
E/C TI
11 12
13 14
7 8
9 10
CHAN 8SHEET 3
J22A
123456789
J23A
123456789
786
POST GATE 1
SHEET 4
1 2
3 4
5 6
J3
GND
J11
2
3
GND
POST GATE 6
13 14
15 16
17 18
19 20
786
POST GATE 5
11 12
7 8
9 10
E/C 8/16KHz
SHEET 7
GND
POST GATE 4
AG
AUDIO SIDE OF E/C
1 2
3 4
5 6
J12
E/C POWER
SHEET 7
CHAN 4SHEET 2
EG
10
10
EG
2
3
GND
GND
POST GATE 7
DG
DIGITAL SIDE OF E/C
27 28
29 30
415
23 24
25 26
21 22
786
J4
J5
GND
POST GATE 8
S-NET IN
123
J6
4
23456
1
EG
EG
L22
L21
220pF
220pF
.
.
MV-NET +
SHEET 7
MV-NET -
GND
29 30
SHEET 3
CHAN 3SHEET 2
CHAN 5
POST GATE 3
21 22
23 24
25 26
27 28
CHAN 2SHEET 2
CHAN 6SHEET 3
415
GND
17 18
19 20
SHEET 3
CHAN 1SHEET 2
CHAN 7
E/C TO
15 16
EG
AG
SHEET:10802 47th Avenue West
1 8
CONNECTOR SHEET ECM 82
of
102731
EG
DB9 FEM
301
100pF
100pF
EG
162738495
J8
0
10
EG
EG
J21
PRE-POST PCB
C191
PRE GATE 8
C190
EG
EG
2
3
GND
GND
PRE GATE 7
100pF
C189
415
EG
GND
PRE GATE 6
100pF
C188
EG
786
GND
PRE GATE 5
100pF
C187
EG
GND
PRE GATE 4
100pF
2
C186
3
PRE GATE 3
EG
GND
100pF
C185
415
EG
GND
PRE GATE 2
100pF
C184
786
GND
PRE GATE 1
J20
R184
301
R185
301
R186
301
R187
301
R188
301
R189
301
R190
301
R191
H:\ECM82\102731-2.SCH 21-May-1999
AG
MS EMS
(8) 47/25 CAPS WERE 22/16, NEW MODEL NAME,
ACTION:
Z5 & Z16 WERE TL074, SKH 24MAY99
AG
DERIVED FROM 102111 & 102478,
CHECKED BY:DRAWN BY:
AG
Mukilteo WA 98275-5098
5
EG
10k
100
20
100/10
4574
SG
47/25
R149
+6dB +40dB +50dB
R141
R161
C156
+
SSM2017
10K
1 3
10k
12
Z16D
14
1/50
4 6
SHEET 1
J1-2
CHAN 4 -
220pF
L11
.
C31
+
R110
1k
AG
AG
CHAN 4 GAIN
VR4
2
CW
R68
13
C82
LM1973N
CHANNEL 4
EG
1k
C131
220pF
2
3
2
RG2
Z24
5
1/50
10k
Z13A
6
47/25
R121
S7
41
RG1
C164
SHEET 1
CHAN 4 +
.
AG
+
318
4
R67
J1-1 SHEET 1
220pF
L12
C32
7
-12
AG
1k
100k
1k
+12
100pF
J1-8
220pF
L7
.
C45
+
R108
1k
AG
2
RG2
5
AG
CHAN 2 GAIN
1/50
2
CW
R86
6
LM1973N
Z12B
SHEET 1
CHANNEL 2
CHAN 2 +
EG
47/25
R119
1k
C129
220pF
S5
2
3
41
RG1
Z22
4
6
C162
R87
10k
.
+
J1-11
220pF
C43
1k
L5
R107
SHEET 1
CHANNEL 1
CHAN 1 +
EG
.
AG
47/25
+
R118
1k
J1-10
220pF
C44
L6
AG
47/25
C11
C19
.01
+
1k
R11
R46
100
100k
R28
PHANTOM
R12
1k
S3A
161
+12
J1-7
SHEET 1
CHAN 1 -
220pF
L8
.
EG
AG
47/25
C12
C20
.01
+
1k
R13
R48
100k
1k
100
R29
PHANTOM
R14
S3B
152
+12
47/25
AG
C46
+
AG
C128
220pF
R146
+6dB +40dB +50dB
10k
SSM2017
AG
VR1
10K
2
R65
2
411
2
3
2
RG2
Z21
5
CHAN 1 GAIN
1/50
CW
+7
S4
41
318
RG1
+12
7
4
-12
6
C161
100pF
R66
10k
C87
R138
100
R158
20
100/10
C153
318
+12
7
+
-12
AG
1 3
10k
AG
3
Z16A
-7
C111
100pF
4574
1
C81
1/50
4 6
LM1973N
AG
Z12A
SG
5
J1-5
220pF
.
CHANNEL 3
L9
EG
SHEET 1
J1-4
CHAN 3 +
220pF
L10
.
SHEET 1
CHAN 3 -
EG
SHEET 1
CHAN 2 -
EG
AG
47/25
C14
C22
.01
+
R17
R56
100
R31
PHANTOM
R18
S3D
134
+12
47/25
C29
+
R109
1k
1k
R120
47/25
47/25
C13
C21
.01
+
1k
R15
R52
100k
1k
100
R30
PHANTOM
R16
S3C
143
+12
47/25
AG
C30
+
AG
C130
220pF
R148
+6dB +40dB +50dB
10k
SSM2017
AG
CHAN 3 GAIN
VR3
2
CW
R89
9
S6
2
3
41
2
318
RG2
RG1
+12
7
Z23
4
5
-12
6
C163
1/50
C105
100pF
R88
10k
R140
100
R160
20
100/10
C155
+
10K
AG
1 3
10k
AG
10
4574
Z16C
C85
8
C121
1/50
18 16
LM1973N
Z12C
17
AG
SG
R147
+6dB +40dB +50dB
10k
R139
100
R159
20
100/10
C154
+
SSM2017
VR2
10K
AG
1 3
10k
AG
5
Z16B
4574
7
C120
1/50
2 20
AG
SG
1
12
13
Z5D
SHEET:10802 47th Avenue West
2 8
CHANNELS 1-4 ECM 82
of
102731
4574
14
CHAN 4 MIX
SHEET 4
301
R4
EG
C4
100pF
POST GATE 4
CHAN 4
SIG 4 SHEET 6
SHEET 1,4,5
J3-1
10
Z5C
4574
CHAN 3 MIX
SHEET 4
301
9
8
R3
EG
C3
100pF
POST GATE 3
CHAN 3
SIG 3 SHEET 6
SHEET 1
SHEET 1,4,5
J3-3
5
Z5B
4574
CHAN 2 MIX
SHEET 4
301
6
7
R2
EG
C2
100pF
POST GATE 2
CHAN 2
SIG 2 SHEET 6
SHEET 1
SHEET 1,4,5
J3-5
3
Z5A
-12
4574
1
CHAN 1 MIX
SHEET 4
301
2
411
R1
+12
EG
C1
100pF
POST GATE 1
CHAN 1
SIG 1 SHEET 6
SHEET 1
SHEET 1,4,5
J3-7
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