ALLEN & HEATH ML3000 Service Manual

Kernick Industrial Estate,
Penryn, Cornwall,
England. TR10 9LU
+44 (0)8707 556250
+44 (0)8707 556251
1.2
ML3000 MIDI POWER
AG4622 1 1
PAGE:
TITLE:
DRG No: ISSUE: SHEET: OF
ISSUE BY DATE
FILE: C4622_1.2.Sch 16:57:20 11-Jan-2002
ALLEN&HEATH
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PRINTED:
ABCDEFGH
a
b
c
d
e
1
4
2
5
3
0
CN2
DIN SKT FEMALE HA 5 PIN 180 DEG
1
4
2
5
3
0
CN3
DIN SKT FEMALE HA 5 PIN 180 DEG
11
12
13
U3D
74HCT02
1
6
2
7
3
8
4
9
5
CN1
DB9FH(DMRM)
VCC
16
C1+
1
C1-
3
C2+
4
C2-
5
GND
15
V+
2
V-
6
U1B
HIN202CP
T1IN
11
T2IN
10
R1OUT
12
R2OUT
9
T1OUT
14
T2OUT
7
R1IN
13
R2IN
8
U1A
HIN202CP
L1
DSS306
L2
DSS306
R1
10K
R2
10K
1
2
3
U3A
74HCT02
C6
1N 1KV/DISK
C7
1N 1KV/DISK
C9
1N 1KV/DISK
C8
1N 1KV/DISK
R3
220R
D1
1N4148
Q1
BC549
R5
220R
R6
220R
R7
560R
R8
680R
D GND
D GND
D GND
C3
100N 100V/MLC
C5
100N 100V/MLC
C4
100N 100V/MLC
C1
100N 100V/MLC
C2
100N 100V/MLC
D GND
4
5
6
U3B
74HCT02
8
9
10
U3C
74HCT02
C10
100N 100V/MLC
R4
8K2
R10
10K
R12
1K0
R11
0R0 Not Fitted
R16
47R
D GND
D GND
R9
0R0
1
2
3
U4A
74HCT02
8
9
10
U4C
74HCT02
4
5
6
U4B
74HCT02
11
12
13
U4D
74HCT02
A JB 03/09/01
MIDI IN
MIDI OUT
CHASSIS
D GND
+5V(2)
+5V(2)
+5V(2)
+5V(2)
+5V(2)
CHASSIS
D GND
HEATSINK
Vin
1
GND
2
+5V
3
U5
7805
Vin
1
GND
2
+5V
3
U6
7805
R14
1R0 3W
R13
1R0 3W
C15
100N 100V/MLC
C14
100N 100V/MLC
C16
47/25
+5V(2)
C13
47/25
C11
100N 100V/MLC
C12
100N 100V/MLC
+5V(1)
HEATSINK
MIDI / RS232 SELECT
(MIDI)
(RS232)
MIDI_H
MIDITX
EXPTX
EXPTXEN
MIDIRX
EXPRXSCAR1
D GND
MIDI_H
MIDITX
MIDIRX
EXPTX
EXPTXEN
EXPRXSCAR1
D GND
TO SYSLINK OUT
+17V
+5V(2)
-17V
A GND
P1
P2
P3
P4
P5
+17V
-17V
A GND
+12V
+48V
+12V
D GND
P6
L3
CHOKE 4.7UH 1.2A
L4
CHOKE 4.7UH 1.2A
L5
CHOKE 4.7UH 1.2A
L6
CHOKE 4.7UH 1.2A
D GND
D GND
D GND
(OPTION)
2
1
3
L
R
SW1
SW1PCO MINI SLIDE
D GND
D GND
R15
3R3 3W
+17V
+17V
-17V
+17V
-17V
A GNDA GND
D GND
D GND
D GND
D GND
+5V(2)
+5V(1)
+5V(2)
+5V(1)+5V(1)
D GND
D GND
D GND
D GND
+5V(2)
+5V(1)
+5V(2)
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
CN6 BOX 13X2 M STRT
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
CN5 BOX 5X2 M STRT
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
CN4 BOX 5X2 M STRT
P7
P8
P9
P10
+17V
-17V
A GND
+48V
D GND
P11
C17
2200/16 LESR
D GND
+5VL +5V(2)
+17V
-17V
+12V
+17V
-17V
+12V
+12V
TO METERPOD
TO CPU
TO CPU
A GND
A GND
A GND
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
CN7
IDC 5X2 M STRT
1 MG 05/10/01
2
3
5
6
7 8
U2
6N136
1.1 AAT 27-10-01
D22
1.2 DWD 11-01-02

ALLEN & HEATH ML3000 Specifications

General

Brand	ALLEN & HEATH
Model	ML3000
Category	Recording Equipment
Language	English