Alesis M1ACTIVE 620 - Page 16

8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
OUT IN
0
-2
-4
Acoustic Space
+2
0
-2
Hi Freq.
56Hz
80Hz
100Hz
56Hz
80Hz
100Hz
TO LED PIN1
TO LED PIN2
TO 3-03-0001 LED
GREEN
RED
L
R
5
6
7
SW2
SW3
SW4
SW4
SW-PCB
M-PCB
IO-PCB
TO IO PCB
TO MAIN PCB
TO SW-PCB
TO IO PCB
(SW-PCB)
LOW CUTOFF
LOW CUTOFF
-
+
-
+
-
+
LED PCB
TO MAIN PCB
TO LED PCB
MUTE
GND
0
AS7 Active SP CKT
A2
1 1Tuesday, August 02, 2005
Title
Size Document Number Rev
Date: Sheet of
+12V
-12V
-12V +12V
+12V
+12V
+12V
-12V
-12V
+12
+12V
+12
+12
+12V
+12V
-12V
-12
-12V
-12V
-12
-12
-12V
-12V
+12V
12V
-12V
D13
G/R
D12
G/R
D11
G/R
D10
G/R
+
-
IC1D
TL074
13
12
14
+
-
IC1A
TL074
2
3
4
1
+
-
IC3A
TL074
2
3
4
1
+
-
IC1B
TL074
6
5
11
7
TE11
CON5P20
1 2 3 4 5
C52
222J
C51
222J
IC7
LM3886
1 2
3
4 5
6
7 8
9
10
V+
NC
O/P
V- V+
NC
G MUTE
-
+
R61
21K5
C54
100uF/16V
R67 1K
R66
1K
R64
1K
C53
220pF
R62
34K
R95
10
C55
224J
R63
187K
R65
8.66K
R30
1K
R72
15K
R73
1K
C60
220pF
R71
1K
C65
100uF/16V
IC8
LM3886
1 2
3
4 5
6
7 8
9
10
V+
NC
O/P
V- V+
NC
G MUTE
-
+
Q3
2SC2812
C57
472J
C58
272J
C56
330pF
R29
1K
C59
330pF
R101
10
C62
224J
R69
13K
R70
13K7
Q2
2SA1179
R94
10
R96
10
R97
10
C85
47P
TE1
1
2
3
4
5
6
7
8
9
10
11
12
TE3
1
2
3
4
5
6
7
8
9
10
11
12
+
-
IC2B
TL074
6
5
11
7
+
-
IC2C
TL074
9
10
8
+
-
IC3B
TL074
6
5
11
7
+
-
IC2A
TL074
2
3
4
1
+
-
IC2D
TL074
13
12
14
+
-
IC3D
TL074
13
12
14
+
-
IC3C
TL074
9
10
8
TE2
1
2
3
4
5
6
7
8
9
10
TE4
1
2
3
4
5
6
7
8
9
10
TE6
1
2
3
- +
AC
DB1
FL046
C2
22uF/25V
R2 10K
C1
22uF/25V
R1
10K
C4
22uF/25V
R4
10K
C3
22uF/25V
R3
10K
R6
4K7
TRS1
C79
104
C72
104
C73
104
C83
104
C84
104
R99
10
R98
10
R5
4K7
C5
22pF
R7 1K
VR1
20KA
C61
22uF/25V
R8
100K
C8
220pF
R10
1K
C6
22pF
C77
104
C74
104
C66
22UF/50V
C67
22UF/50V
C78
104
R100
10
R9
5K62
C11
104J
C10
272J
R11
10K
C9
100uF/16V
C15 103J
C16
563J
C12
104J
C13
822J
SW1
MID BOOST
C17
562J
R12
1K82
R13
8K25
R14
8K25
R39
100K
D5
1N4148
ZD6
1N5242B
Q1
2SC2713
C27
100uF/50V-L
R32
1K
R33
1K
R35
15K
R31
10K
C25
47uF/10V
C26
47uF/10V
C28
33uF/50V-L
C76
6800uF/25V
R34
15K
IC9
7812
1
2
3
O
G
I
IC10
7912
1
2
3
O
G
I
D3
1N4744
D4
1N4744
C68
104Z
C69
104Z
C75
6800uF/25V
C63
22uF/50V
C64
22uF/50V
C71
10UF/50V
C70
10UF/50V
R40
6K65
R36 11K
C21
563J
C20
563J
C18
104J
R16
8K66
C19
104J
R15
1K4
R17
4K22
R37
18K2
R26
15K4
R18
4K12
R38
43K2
R19
180K
R42
4K32
C22
822J
R28
11K
R27
11K
C23 152J
R24
49K9
C24
122J
R41 7K68
R43 7K68
R22
80K6
R21
165K
R25
200K
R50
4K32
C31
152J
R45
4K32
C32
152J
R44
1K82
R46 9K09
R48 9K09
C33
152J
C34
152J
R47
9K09
R49
4K64
R56
39K2
C35
152J
C36
152J
R55
4K02
R54
9K09
R60
13K
R58 82K
C37
152J
C38
152J
R57
33K2
R51 18K2
R53 18K2
R52
18K2
R76 15K8
R59
68K1
TE8
2
1
TE7
2
1
R101
470
R102
470
R104
470
R105
470
3
1
2
1
3
2
4
XLR1
R81
10.0K
+
-
IC4-A
LM339
6
7
3
1
R80
10.0K 1%
C80
150PF
R89
47.5K 1%
R85
10.0K 1%
C81
150PF
+
-
IC4-B
LM339
4
5
12
2
R84
10k
R86
47.5K
R82
1.58K
R83
1.58K
R87
2.61K
R88
2.61K
Q4
MBT4401
Q5
MBT4401
Q6
MBT4401
R90
47.5K 1%
R91
47.5K 1%
R92
2.00K 1%
C82
10UF/50V
R93
2.00K 1%
+
-
IC4-C
LM339
8
9
14
+
-
IC4-D
LM339
10
11
13
TE9
CON4P20
1
2
3
4
SW5
PUSH SW
TE10
CON4P20
1
2
3
4
D9
G/R
R103
470
VEE
VCC VEE
VEE
VCC
VCC
VEE
+12V
-12V
CLIP_SENSE_WOOFER
CLIP_SENSE_TWEETER
MB_-
MB_O
MB-C
I/P
T_OP
W_IN
T_IN
T_IN
AS_C
MB_C
AS-2
MB_-
AS-O
MB_O
I/P
W_IN
T_OP
W_IN
T_IN
I/P
T_OP
AS_C
MB_C
AS-2
MB_-
AS-0
MB_O
I/P
W_IN
T_OP
W_IN
MB_-
MB_O
MB_C
W_IN
AS-0(TE1.5)
AS-0(TE3.5)
AS-2(TE3.3)
AS-C(TE3.1)
AS-2(TE1.3)
AS-C(TE1.1)
T_IN
MUTE
GND
EQ_IN
EQ_OUT
+12V
GND
-12V