13
Oper
ating Man
ual - MX-406 Ster
eo Micr
ophone/Line Mixe
r
MX-406 Motherboard Audio Sections
1
2
3
4
5
6
7
8
A
B
C
D
E
8
7
6
5
4
3
2
1
E
D
C
B
A
B
APPROVED:
Dwg #
Size
Drawn By
Rev.
A
S:\Engineering\CLIENT98\5400\10s5400b.sch
xxx PCB
James B Franks
Sheet #
of
1
1
847 Holt Road
Webster, NY 14580-9103
Phone:
Fax:
(716) 872-0010
(716) 872-0739
Print Date
26-Jul-2002
10:53:20
A->B @ 157%
C
$VKO\ $XGLR ,QF
C1
47U
3
2
1
U1A
2043
C14
27P
R1
10K
D1
1N4148
D2
1N4148
C2
47U
R19
100
R2
10K
5
6
7
U2B
4560
C3
47U
5
6
7
U1B
2043
C15
27P
R3
10K
R34
33k
R40
6.8K
R45
2.7K
VR1
B10K
D3
1N4148
D4
1N4148
C4
47U
R20
100
R4
10K
C5
47U
R48
2K
R53
1K
R57
15K
C6
47U
R59
10
3
2
1
U3A
4560
R5
10K
R6
10K
R60
10
2
7
3
6
L1
51P9010
R65
2.4K
R58
15K
C7
47U
R49
2K
R54
1K
5
6
7
U8B
34184
C16
27P
C8
47U
R72
22K
R78
3.3K
R87
4.7K
VR5A
B20K
10
9
8
U8C
34184
C17
27P
C9
47U
R73
22K
R79
3.3K
R88
4.7K
VR5B
B20K
R93
68
3
2
1
U5A
2043
R143 18K
VR3B
C100K
R96
62K
C25
10pf
R94
68
J1
47P3151
R21
100
R22
100
HEADPHONE
OUTPUT
RIGHT
OUTPUT
MONO
OUTPUT
LEFT
OUTPUT
LCLIP
RCLIP
D5
1N4148
D6
1N4148
LCLIP
LEFT MASTER LEVEL
MONO MASTER LEVEL
RIGHT MASTER LEVEL
HEADPHONE LEVEL
STEREO AUX INPUT
5
4
J2A
47P1304
6
4
J2B
47P1304
3
1
J2D
47P1304
2
1
J2C
47P1304
1
3
2
J8
9
3
5
11
7
1
B
J9A
10
4
6
12
8
2
T
J9B
RBUS
LBUS
LPRE
RPRE
LPOST
RPOST
Mono+
Mono-
LBUS
RBUS
1
14
2
13
3
12
4
11
5
10
6
9
7
8
J11
DIP14
-15M
+48
+15M
-15
+15
AUX
RBUS
LBUS
GND-METER
C18
27P
3
2
1
U2A
4560
R35
33k
R41
6.8k
R46
2.7k
VR2
B10K
C19
27P
5
6
7
U3B
4560
R108
8.2k
R106
18K
R50
2k
VR3C
B10K
C20
27P
5
6
7
U4B
34184
R8
10K
R9
10K
RPRE
3
2
1
U4A
34184
R10
10K
R11
10K
LPRE
12
13
14
U4D
34184
C21
27P
R12
10k
R13
10k
10
9
8
U4C
34184
C22
27P
R14
10k
R15
10k
5
6
7
U5B
2043
R14418K
VR3A
C100K
R97
62K
C26
10pf
3
2
1
U9A
4560
C10
47U
5
6
7
U9B
4560
C23
27P
R16
10K
R36
10k
R42
10K
R47
1.5K
VR4
B10K
C11
47U
R25
100
R17
10K
R26
100
AUX MASTER LEVEL
J10
47P3151
AUX
AuxPre
AuxPost
C24
27P
RPRE
LPRE
D8
1N4148
D9
1N4148
D10
1N4148
D11
1N4148
LCLIP
RCLIP
RCLIP
J13
R74
None
C12
None
LBUS
J14
R75
None
C13
None
RBUS
-L-
SUB IN
-R-
AUX
OUTPUT
STEREO LINE OUTPUT
LEFT
RIGHT
MX406 Power and LEDs
10s5401b.sch
MX406 Input Channel
10s5402b.sch
BKT3
J22
None
J23
None
J24
J25
C68
None
C69
.1U
C70
.1U
C71
.1U
C72
.1U
C73
.1U
C74
.1U
C75
.1U
C76
.1U
+15
-15
R140
0
R141
None
R142
None
C77
.001U
+16.5dB Max, +5.6dB Mid
+12dB Max, +1.6dB Mid
+8dB Max, -4.2dB Mid
R89
4.7K
R90
4.7K
+11.7dB Max, -1.5dB Mid
+20.2dB Max
Right
Left
