ALLEN & HEATH ML3000 Service Manual

Kernick Industrial Estate,
Penryn, Cornwall,
England. TR10 9LU
+44 (0)8707 556250
+44 (0)8707 556251
2
ML3000 MONO INPUT
C4450 2 2
PAGE:
TITLE:
DRG No: ISSUE: SHEET: OF
ISSUE BY DATE
FILE: C4450_2P2.Sch 11:16:29 12-Dec-2001
ALLEN&HEATH
Tel:
Fax:
PRINTED:
ABCDEFGH
a
b
c
d
e
5
4
6
SW5B
SUN 2P
2
1
3
SW5A
SUN 2P
13
2
VR9A
20KK
13
2
VR10A
20KK
1 2
JP9
JUMP 2 STRT
1 2
JP10
JUMP 2 STRT
R81
10K
R80
10K
AUX1_LEV
POSTFADE_2
PREFADE_2
13
2
VR11A
20KK
R90
10K
13
2
VR12A
20KK
R91
10K
2
1
3
SW7A
SUN 2P
5
4
6
SW7B
SUN 2P
POSTFADE_2
PREFADE_2
1 3
2
VR15A
20KK
16
4
VR16A
2X20KB
2 5
3
VR16B
2X20KB
8 9
BRKT
VR16C
2X20KB
5 6
BRKT
VR15B
20KK
5 6
BRKT
VR9B
20KK
5 6
BRKT
VR10B
20KK
5 6
BRKT
VR11B
20KK
5 6
BRKT
VR12B
20KK
2
1 3
SW8A
SUN 4P
5
4
6
SW8B
SUN 4P
8
7
9
SW8C
SUN 4P
11
10
12
SW8D
SUN 4P
R84
10K
R85
10K
R86
10K
R87
10K
AUX_8
AUX_7
16
4
VR18A
10KAC
2 5
3
VR18B
10KAC
8 9
BRKT
VR18C
10KAC
R44
4K7
R46
4K7
R45
4K7
R47
4K7
R48
4K7
R49
4K7
R88
10K
R94
10K
R89
10K
R95
10K
2
1
3
SW10A
SUN 2P
5
4
6
SW10B
SUN 2P
2
1
3
SW11A
SUN 2P
5
4
6
SW11B
SUN 2P
GRP_1
GRP_2
GRP_3
GRP_4
2
1
3
SW9A
SW 4PDT ALPS
5
4
6
SW9B
SW 4PDT ALPS
8
7
9
SW9C
SW 4PDT ALPS
11
10
12
SW9D
SW 4PDT ALPS
1 6
4
VR17A
2X20KB
2 5
3
VR17B
2X20KB
8 9
BRKT
VR17C
2X20KB
MIX_R
MIX_L
MIX_C
R105
3K9
R106
3K9
AUX_1
AUX_2
AUX_3
AUX_4
5
4
6
SW6B
SUN 2P
2
1
3
SW6A
SUN 2P
POSTFADE_2
PREFADE_2
13
2
VR13A
POT
R82
10K
13
2
VR14A
POT
R83
10K
5 6
BRKT
VR13B
20KK
5 6
BRKT
VR14B
20KK
AUX_5
AUX_6
C47
22N/MYL
3
2
1
U7A
TL072
5
6
7
U7B
TL072
V-
4
V+
8
U7C
TL072
R93
10K
R107
2K7
R30
2K2 1%
R104
3K9
D6
1N4148
C53
10/50
R4
1K0
C56
1/63
LG
LG
R92
10K
R100
100K
3
2
1
U8A
LM393
5
6
7
U8B
LM393
V-
4
V+
8
U8C
LM393
MUTE
+VB
D5
1N4148
LG
VCA_S_HOLD
R110
470K
R96
10K
C57
100N 63V/PE
MUTE_FET
CV
D7
1N4148
D8
1N4148
D9
1N4148
D10
1N4148
C54
10/50
R102
100K
R101
100K
R108
1M0
R40
22K
R109
30K 2%
+VB
+VB
-VB
PEAK
PEAK_1
PEAK_2
PEAK_3
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
CN2
BOX 13X2 M 90 DEG
2
1
3
SW12A
SUN 2P
5
4
6
SW12B
SUN 2P
2
1
3
SW13A
SUN 2P
5
4
6
SW13B
SUN 2P
MIX_LMIX_R
MIX_C
PFL_BUS
R52
0R0
GRP_1GRP_2 GRP_3GRP_4 AUX_1AUX_2 AUX_3AUX_4 AUX_5AUX_6 AUX_7AUX_8
R111
10R PF
R114
10R PF
C21
47/25
C22
47/25
C58
100N 63V/PE
C59
100N 63V/PE
LG
+48V
PFL SWITCH
MUTE SWITCH
R112
10R PF
R115
10R PF
C23
47/25
C24
47/25
C60
100N 63V/PE
C61
100N 63V/PE
R113
10R PF
R116
10R PF
C25
47/25
C26
47/25
C62
100N 63V/PE
C63
100N 63V/PE
+VA +VB +VC
-VC-VB-VA
POSTFADE_1
PFL_BUS
LD2
YELLOW
D11
1N4148
R103
100K
-VB
PFL_DET
PFL_DET
R53
0R0
LG
VCA_S_HOLD MUTE METER PEAK
DG
+VA
-VA
+VB
-VB
C20
47/25
C50
100/25
LD4
RED
LD3
RED
DG
R117
22K
DG
R119
3K3
LG
1
2
3
4
EARTH
EARTH SCREW TERMINAL
POT_GND
POST_EQ_SW
FACTORY FIT
1 2 3 4 5
CN3
SIL 5 M STRT LCK
C55
10/50
R118
470R
R58
0R0
POT_GND1
POT_GND1
C65
1N/MYL
C66
1N/MYL
DG
R76
470R
D3

ALLEN & HEATH ML3000 Specifications

General

Brand	ALLEN & HEATH
Model	ML3000
Category	Recording Equipment
Language	English