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C15 47pF R37 R72 20K +15 GND +15dB 3 .6 22/25 R136 20K GND -15 J1 XLR FEM
3 2 + -
C56 22/25 R135 20K W1 .6 20K R147 6.81K GND R57 20K GND R39 GND 1 1 IN 1 OUT TL072 COMPRESSOR TO SHEET 2 W4 C57 COMPRESSOR IN/OUT S1A 2P2T +15 3 2
8
R2 2 Z1A
R8
Z2A
1 TL072
C4 22/25
R59 100 R64 100K
8
1K R81 LEVEL 100KB DET -15dB 7 22/25 20K GND -15 C3 R42
9.09K
10K
+ 2 - 3
4
1
J3 XLR MALE -15 C13 R38 47pF 20K R63 10K C14 +15 47pF
C1 330pF 6 TL072 R71 1K 13 9.09K 10K R77 10K -5V 12 R3 3.74K 9 -1V R65 100K R79 1K GND
+
Z1B
4
5
GND
GND 6 5 GND Z3B 7 TL072 GND J4 PHONO
CHANNEL 1 OUT
R1
R7
CHANNEL 1 IN
GND J9 PHONO D1 R10 10K C21 1/35 GND GND 5817 GND 10
Z5D
14 TL074
R12 10K
R
2 -15 OL D7 20K 3 GND
8
1
D9
R41
Z3A
1 TL072
C54 22/25
R143 100 R145 100K
Z5C
8 TL074
R11 10K
G
4
-15 -15 +4dBu R9 20K R148 20K GND R40 20K GND 47pF R139 20K
GND 5 6 Z2B 7 TL072 C60 C5 22/25 R60 100 R137 100K GND
C18 R43 R74 1K 10K GND 9.09K R5 R14 R82 LEVEL 100KB DET -15dB 2 +15dB 3 C2 330pF 6 Z4B 7 TL072 5 C6 22/25 R48 20K GND 20K 47pF +15
C58 22/25 R140 20K GND COMPRESSOR IN/OUT W17 S2A 2P2T W24 Z4A 1 .6 2 IN COMPRESSOR TO SHEET 2 .6 R45 20K R149 6.81K 3 2 +15 TL072
8
Z14A
1
C7
R61
8
22/25
C59 2 OUT TL072 22/25 -15 R141 20K
GND
-15
C16
100 R67 100K
+ 2 - 3
4
1
J5 XLR MALE
4
R58 20K GND -15 GND
R44 20K R66 10K
47pF
GND
GND J6 PHONO 6 C17 5 Z8B 7 TL072 GND
CHANNEL 2 OUT
J2 XLR FEM
3
2
+ -
R73 1K 9.09K
R4
R13 10K
R78 10K 13 -5V 12 D2 5817 R6 3.74K R16 10K C22 1/35 -1V R68 100K GND GND
+
+15 47pF 14 R18 TL074 10K Z6D R D10 -15 OL 9 10 R80 1K GND R46 20K GND COMPRESSOR 100456-2.SCH POWER 100456-3.SCH R142 20K
ACTION:
GND R47 20K 2 3 GND Z6C 8 R17 TL074 10K G D8 -15 +4dBu 20K R150 20K GND 47pF GND R15
1
8
Z8A
1 TL072
C55 22/25
R144 100 R146 100K
J10 PHONO GND
4
-15 5 6 Z14B 7 TL072 C61 C8 22/25
CHANNEL 2 IN
GND
GND R62 100 R138 100K
NOTES (UNLESS OTHERWISE SPECIFIED): 1. ALL RESISTORS 1/4W 1% METAL FILM 2. ALL SWITCHES SHOWN IN THEIR 'OUT' OR 'OFF' POSITION
NO CHANGE TO PART, NEW DOC# FJ 3FEB98
DRAWN BY: CHECKED BY:
SCHEM: L&R IN/OUT MC 22
3-Feb-1998 SKH 2-9-96 RGH 2-9-96 10802 47th Avenue West Mukilteo WA 98275-5098
SHEET:
H:\MC22\100456-1.SCH
1 of 3
100456
+15 R98 10K 100K +15 R50 R49 100K COMP. LINK 5 R69 6 100K -40 R113 13.3K -15 R51 100K R52 100K 6 R28 10K 3 2 7 5 R109 12.4K R90 200K +15 R105 100KB R94 200 -15 GND GND 6 5 GND R54 +15 R75 1K GND 40.2K R100 +Vc 1 R91 200 GND R106 150K 100K W20 +15 .6 R53 100K COMP. R112 RATIO 12.4K TL074 1:1 => 10:1 13 R133 14 D6 100KB 12 Z12D COMP. 4148 R134 THRESHOLD 100KB +20 9 10 Z12C 8 R116 4.42K S3A 1P2T LINK 5 W18 R120 Z7B -15 R117 2.21K GND Z5B TL074 D3 R107 4148 4.75K C19 47pF R87 33.2K GND -Vc 2 GND C42 0.1 Z10B 7 TL074
GAIN REDUCTION
-15
R102
13
10K
12
Z10D
14
R25
Y
0
R76 R93 -Vc 2 200 +15 GND 3 Z10A TL074 1 2 +20 R115 4.42K GND
R101
4
1K
40.2K
TH 2 I ref
GND -15
CON 2
-Vc 2
11
1/2 SSM 2120 V+
C11 15
RATIO R110 1:1 => 10:1 12.4K 9 R131 8 D4 100KB 10 Z10C TL074 COMP R132 4148 THRESHOLD 100KB
TL074
5.11K
D11
GND
12
14
17
R119 4.42K
+Vc 2
6
5
Z11B
7
R24
G
3
TL074 GND +15
10K
D13
R127 75
+15
OUT 2 20 REC2 Iin
4
22/16 R20 10K
R128 75 D17 Z5A 1 R26 -15 5.11K Y THRESHOLD
2
4
11
2V LOG AV2 13 16 19 18 VIN 2 +Vc 2 CFT 2
Z9B SSM2120
TL074 -15
R125 150 DOWNWARD EXPAND FIXED THRESHOLD -55dBu FIXED RATIO 2:1
13
11
GND -15 C28 1 IN R96 51.1
FROM SHEET 1
+15 R97 10K
2
4
GND
1
3
5
TL074
1/2 SSM 2120 TH 1 V+
C9 9 22/16
CON 1
+Vc 1 I ref
I ref
10
GND
-40 GND R114 13.3K
C41 0.1
R70 6 100K
Z12B
7 TL074
.6 4.42K
+Vc 1
6
11
3 100K .6 100K 6 10K 2
4
REC1
Iin
-15 R55 W22
R130 75 R56 R30 D18 Z6A W21 D5 1 R29 Y -15 TL074 5.11K EXPAND
2
4
V+
VLOG AV1 V2 IN 1 8 -Vc 1 7 6 CFT 1
Z9A SSM2120 C23 R85 0.1
+
5 R111 12.4K -Vc 1 C10 22/16 22/16
+
Z6B R118 2.21K 33.2K R83 1.5M C25 .0022 R89 200K +15 -15 GND
7 TL074
R108 .6 4148 4.75K C20 47pF R88
GND -Vc 1
11
R19 10K
2V
R126 150 -15 DOWNWARD EXPAND FIXED THRESHOLD -55dBu FIXED RATIO 2:1
13
11
22
21
C33
11
C49 0.1 GND +15
-15 GND -15 C27 R95 51.1 1/50 GND R92 200 -15 GND R104 100KB 2 3 GND
8
2 IN
FROM SHEET 1
4
H:\MC22\100456-2.SCH
3-Feb-1998
+
+
3
Z11A
1
R23
G
6
GND
TL074
10K
D14
-15
12
Z11D
14
R22
G
12
TL074
10K
D15
C24 R86 +Vc 2 33.2K R84 1.5M C26 .0022 C12 22/16 22/16
+
R123 301
9
10
Z11C
8
R21
G
24
TL074 TL072 7 W11 .6 1 OUT
10K
D16
R121 60.4K
1/50
FROM SHEET 1
R27
-15
10K
GAIN REDUCTION
+15
-15
R103
10K
3
Z12A
1
R35
Y
TL074
5.11K
0
D12
-15
5
Z13B
7
R34
G
TL074 GND +15
10K
3
D19
R129 75
+15
OUT 1 4
+
3
Z13A
1
R33
G
6
GND
TL074
10K
D20
-15
12
Z13D
14
R32
G
12
TL074
10K
D21
R124 301
9 33.2K +15 TL072 1 Z7A
10
Z13C
8
R31
G
TL074
10K
24
D22
R122 60.4K 2 OUT
FROM SHEET 1
R36 -15
-15
W19 .6
10K
ACTION:
D3 & D5 WERE 5817 R117 & R118 WERE 2.49K
DRAWN BY: CHECKED BY:
SCHEM COMPRESSOR MC 22
RGH 2-9-96 10802 47th Avenue West Mukilteo WA 98275-5098
SHEET:
2 of 3
100456
POWER SUPPLY
T1 LP-30-200 4 5 J7B P1 LINECORD J7A BLK 3 W34 2 7 GND C63 0.01 R152 7.5K 8 S4A 4004 D24 4004 1 .4 6 D26
+
S4B 2P2T
D25 4004 D23
W27 .4
+
7815
Q1A C29 2200/35 4004 C34 0.1 C31 10/16
+
+15
120V UNITS ONLY 190mA FOR 120v (150 mA FOR 230v) .4 W2 W3 .4 R151 7.5K
230V UNITS ONLY
C62 0.01
C36 0.1
R99 5.11K
H N
GRN J8A J8B WHT
C30 2200/35
C35 0.1 Q1B
C32 10/16
+
C37 0.1
GND
D27 POWER Y -15
7915
REG ASSY
DECOUPLING CAPS
+15 C52 0.1 C51 0.1 C48 0.1 C47 0.1 C46 0.1 C45 0.1 C44 0.1 C43 0.1 C40 0.1 C39 0.1 C38 0.1 -15
JUMPERS
+15 W30 .6 W26 .4 W23 .6 W15 .4 W12 .4 W9 .4 W5 .4 +15 -15 W31 .4 W29 .6 W25 .4 W16 .6 W14 .4 W13 .4 W8 .4 W6 .4 -15
W32 SHIELD
W33 W28 SHIELD .4
W10 .4
W7 .4
GND
GND
ACTION:
NO CHANGE TO PART, NEW DOC# FJ 3FEB98
DRAWN BY: CHECKED BY:
SCHEM POWER MC 22
3-Feb-1998 SKH 2-9-96 RGH 2-9-96 10802 47th Avenue West Mukilteo WA 98275-5098
SHEET:
H:\MC22\100456-3.SCH
3 of 3
100456