Ashly MX-406 Operating Manual page 13

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