Kernick Industrial Estate,
Penryn, Cornwall,
England. TR10 9LU
+44 (0)8707 556250
+44 (0)8707 556251
1
ML3000 MONO FADER
C4457
2
2
PAGE:
TITLE:
DRG No:
ISSUE:
SHEET:
OF
ISSUE
BY
DATE
FILE: C4457_1P2.Sch
14:08:03
17-Jan-2002
ALLEN&HEATH
Tel:
Fax:
PRINTED:
A
B
C
D
E
F
G
H
a
b
c
d
e
STR
1
D
2
CLK
3
OE
15
Q1
4
Q2
5
Q3
6
Q4
7
Q5
14
Q6
13
Q7
12
Q8
11
QS1
9
QS2
10
U9
74HC4094N
STR
1
D
2
CLK
3
OE
15
Q1
4
Q2
5
Q3
6
Q4
7
Q5
14
Q6
13
Q7
12
Q8
11
QS1
9
QS2
10
U10
74HC4094N
A
11
B
12
C
13
D
14
E
3
F
4
G
5
H
6
SH/LD
1
CLK INH
15
CLK
2
SER
10
QH
9
QH
7
U13
74HC165
SPIOE
SPIMOSIA
SPIMOSIB
SPICLK
SPISTB
MUTE_1
MUTE_2
MUTE_3
MUTE_4
MUTE_5
MUTE_6
MUTE_7
MUTE_8
R67
820R 1%
R68
820R 1%
R69
820R 1%
R70
820R 1%
R71
820R 1%
R73
820R 1%
R74
820R 1%
R72
820R 1%
LD5
YELLOW
LD40
YELLOW
LD35
YELLOW
LD30
YELLOW
LD25
YELLOW
LD20
YELLOW
LD15
YELLOW
LD10
YELLOW
DG
ASSIGN
LEDS
R33
4K7
R34
4K7
R35
4K7
R36
4K7
R37
4K7
R38
4K7
R39
4K7
R40
4K7
DG
VCC
SPILD
SPIMISO
VCC
MUTE_SW_1
MUTE_SW_2
MUTE_SW_3
MUTE_SW_4
MUTE_SW_5
MUTE_SW_6
MUTE_SW_7
MUTE_SW_8
VCC
VCC
DG
C11
100N
C12
100N
2
15
3
12
4
1
5
5
6
2
7
4
A
11
B
10
C
9
INH
6
VDD
16
VEE
7
VSS
8
1
14
0
13
COM
3
U11
4051BC
AGND
+5VADC
C3
100N
C4
100N
C5
100N
C7
100N
C8
100N
C6
100N
C9
100N
C10
100N
DG
MF
VFBA0
VFBA1
VFBA2
FADEN
VCC
2
15
3
12
4
1
5
5
6
2
7
4
A
11
B
10
C
9
INH
6
VDD
16
VEE
7
VSS
8
1
14
0
13
COM
3
U12
4051BC
DG
VCA
VFBA0
VFBA1
VFBA2
VCAWR
VCA_1
VCA_2
VCA_3
VCA_4
VCA_5
VCA_6
VCA_7
VCA_8
C13
330N 50V/PE
DG
D1
1N4148
R75
1K0
-V
VCA
MF
+5VADC
VFBA0
VFBA1
VFBA2
FADEN
VCAWR
SPICLK
SPILD
SPIMOSIA
SPIMISO
SPIMOSIB
SPIOE
SPISTB
-17V
+17V
DG
DG
AGND
AGND
VCC
VCC
CHANNEL MUTES
CHANNEL VCA
SAMPLE/HOLD
SIGNALS
FROM CPU PCB
FROM CHANNEL MUTE SWITCHES
CHANNEL FADER READ
MULTIPLEXER
1
3
2
VR1A
100MM 10KB
4
5
BRKT
VR5B
100MM 10KB
1
3
2
VR3A
100MM 10KB
4
5
BRKT
VR6B
100MM 10KB
1
3
2
VR4A
100MM 10KB
4
5
BRKT
VR7B
100MM 10KB
1
3
2
VR2A
100MM 10KB
4
5
BRKT
VR4B
100MM 10KB
1
3
2
VR5A
100MM 10KB
1
3
2
VR6A
100MM 10KB
1
3
2
VR8A
100MM 10KB
4
5
BRKT
VR8B
100MM 10KB
1
3
2
VR7A
100MM 10KB
4
5
BRKT
VR2B
100MM 10KB
4
5
BRKT
VR3B
100MM 10KB
4
5
BRKT
VR1B
100MM 10KB
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
CN9
TRANSITION 13X2
D40
Содержание ML 3000
Страница 1: ...SERVICE MANUAL Publication AP4511 Dual Function Live Sound Console ...
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