AudioArts Engineering D-70 - Page 104

CT1
1
2
3
4
5
6
CT1
AGND
R10
4.99K
U3
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
54
3
2
1
AUTO_MUTE
___________
_______
_______
AOUTL+
AOUTL-
AOUTR-
AOUTR+
SCLK
MUTE_R
MUTE_L
DEM1
DEM0
LRCK
DIF2
DIF1
DIF0
MCLK
SDATA
CS4390
AGNDDGND
VA+VD+
AGNDAGND
AGND
AGND
C27
2200pF
AGND
C20
2200pF
AGND
C28
2200pF
AGND
C21
2200pF
AGND
R20
16.5K
AGND
R21
16.5K
AGND
-2dBu
-2dBu
V+
V-
C19
390pF
C18
390pF
C16
390pF
C17
390pF
U5
7
5
6
OP275
+
-
U5
1
3
2
OP275
4
8
+
-
V+V-
R265.49K
R1110
R1410
R2516.5K
R241.30K
R181.30KR195.49K
R285.49K
R225.49K
R2316.5K
R271.30K
R171.30K
C26390pF C25390pF
C24390pF C23390pF
AGND
1
2
3
4
5
6
7
8
U1
SSM2142
+
-
V- V+
+
gnd
C10
68pF
AGND
C5
68pF
AGND
V+
V-
AGND
U4
8
7
6
5
4
3
2
1
SSM2142
+
-
V- V+
+
gnd
C22
68pF
AGND
C15
68pF
AGND
V+
V-
V+
V-
U2
7
5
6
OP275
+
-
U2
1
3
2
8
4
OP275
+
-
V+V-
R151.30K
C1133pF
R124.99K
CR1
2
3 1
10K
AGND
AGND
R131.30K
C733pF
R164.99K
CR2
1 3
2
10K
-2dBu
-2dBu
AGND
AGND
VA+VD+
12
34
56
78
910
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
CT5
CT2
1
2
3
CT2
6
5
4
AGND
1
2
3
45
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
U8
AUTO_MUTE
___________
_______
_______
AOUTL+
AOUTL-
AOUTR-
AOUTR+
SCLK
MUTE_R
MUTE_L
DEM1
DEM0
LRCK
DIF2
DIF1
DIF0
MCLK
SDATA
CS4390
AGNDDGND
VA+VD+
AGND
AGND
AGND
C53
2200pF
AGND
C46
2200pF
AGND
C54
2200pF
AGND
C47
2200pF
AGND
R38
16.5K
AGND
R39
16.5K
AGND
-2dBu
-2dBu
V+
V-
C45
390pF
C44
390pF
C42
390pF
C43
390pF
U10
7
5
6
OP275
+
-
U10
1
3
2
8
4
OP275
+
-
V+V-
R445.49K
R2910
R3210
R4316.5K
R421.30K
R361.30KR375.49K
R465.49K
R405.49K
R4116.5K
R451.30K
R351.30K
C52390pF C51390pF
C50390pF C49390pF
AGND
U6
8
7
6
5
4
3
2
1
SSM2142
+
-
V- V+
+
gnd
C36
68pF
AGND
C31
68pF
AGND
V+
V-
AGND
U9
1
2
3
4
5
6
7
8
SSM2142
+
-
V- V+
+
gnd
C48
68pF
AGND
C41
68pF
AGND
V+
V-
V+
V-
U7
7
5
6
OP275
+
-
U7
1
3
2
8
4
OP275
+
-
V+V-
R331.30K
C3733pF
R304.99K
CR3
2
3 1
10K
AGND
AGND
R311.30K
C3333pF
R344.99K
CR4
1 3
2
10K
-2dBu
-2dBu
AGND
AGND
J4
AGND
GND
VA+VD+
CT3
1
2
3
6
5
4
CT3
CT4
1
2
3
4
5
6
CT4
AGND
U13
1
2
3
45
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
AUTO_MUTE
___________
_______
_______
AOUTL+
AOUTL-
AOUTR-
AOUTR+
SCLK
MUTE_R
MUTE_L
DEM1
DEM0
LRCK
DIF2
DIF1
DIF0
MCLK
SDATA
CS4390
AGNDDGND
VA+VD+
AGND
AGND
AGND
C80
2200pF
AGND
C73
2200pF
AGND
C81
2200pF
AGND
C74
2200pF
AGND
R56
16.5K
AGND
R57
16.5K
AGND
-2dBu
-2dBu
V+
V-
C72
390pF
C71
390pF
C69
390pF
C70
390pF
U15
7
5
6
OP275
+
-
U15
1
3
2
8
4
OP275
+
-
V+V-
R625.49K
R4710
R5010
R6116.5K
R601.30K
R541.30KR555.49K
R645.49K
R585.49K
R5916.5K
R631.30K
R531.30K
C79390pF C78390pF
C77390pF C76390pF
AGND
U11
8
7
6
5
4
3
2
1
SSM2142
+
-
V- V+
+
gnd
C63
68pF
AGND
C58
68pF
AGND
V+
V-
AGND
U14
8
7
6
5
4
3
2
1
SSM2142
+
-
V- V+
+
gnd
C75
68pF
AGND
C68
68pF
AGND
V+
V-
AGND
U18
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
54
3
2
1
AUTO_MUTE
___________
_______
_______
AOUTL+
AOUTL-
AOUTR-
AOUTR+
SCLK
MUTE_R
MUTE_L
DEM1
DEM0
LRCK
DIF2
DIF1
DIF0
MCLK
SDATA
CS4390
AGNDDGND
VA+VD+
AGND
AGND
AGND
C107
2200pF
AGND
C100
2200pF
AGND
C108
2200pF
AGND
C101
2200pF
AGND
R74
16.5K
AGND
R75
16.5K
AGND
-2dBu
-2dBu
V+
V-
C99
390pF
C98
390pF
C96
390pF
C97
390pF
U20
7
5
6
OP275
+
-
U20
1
3
2
OP275
4
8
+
-
V+V-
R805.49K
10 R65
10 R68
R7916.5K
R781.30K
R721.30K5.49K R73
R825.49K
5.49K R76
16.5K R77
R811.30K
R711.30K
C106390pF C105390pF
C104390pF C103390pF
AGND
U16
1
2
3
4
5
6
7
8
SSM2142
+
-
V- V+
+
gnd
C90
68pF
AGND
C85
68pF
AGND
V+
V-
AGND
U19
1
2
3
4
5
6
7
8
SSM2142
+
-
V- V+
+
gnd
C102
68pF
AGND
C95
68pF
AGND
V+
V-
V+
V-
U12
7
5
6
OP275
+
-
U12
1
3
2
OP275
4
8
+
-
V+V-
R511.30K
C6433pF
R484.99K
CR5
1 3
2
10K
AGND
AGND
R491.30K
C6033pF
R524.99K
CR6
2
3 1
10K
-2dBu
-2dBu
V+
V-
U17
7
5
6
OP275
+
-
U17
1
3
2
OP275
4
8
+
-
V+V-
1.30K R69
C9133pF
4.99K R66
CR7
1 3
2
10K
AGND
AGND
1.30K R67
C8733pF
4.99K R70
CR8
2
3 1
10K
-2dBu
-2dBu
AGND
AGND
AGND
AGND
VA+VD+
VA+VD+
F1
.3A
POLYSW
V+
V-
AGND
C65
0.1uF
C59
0.1uF
C92
0.1uF
C86
0.1uF
C12
0.1uF
C6
0.1uF
C38
0.1uF
C32
0.1uF
C57
0.1uF
C56
0.1uF
C84
0.1uF
C83
0.1uF
C4
0.1uF
C3
0.1uF
C30
0.1uF
C29
0.1uF
C110
22uF
C109
22uF
F2
POLYSW
.3A
C93
1uF
C112
1uF
C82
22uF
C111
0.1uF
C94
0.1uF
C1
0.1uF
VCC
GND
C2
0.1uF
VCC
GND
GND
VCC
619
R6
1.00K
R3
GND
VCC
619
R5
1.00K
R2
GND
VCC
619
R4
1.00K
R1
C89
0.1uF
C14
0.1uF
AGND AGNDAGND AGNDAGNDAGND AGND AGND AGND
C9
0.1uF
AGNDAGNDAGND
V+
C88
1uF
C55
22uF
C13
1uF
C8
1uF
10 R83
10 R84
C40
0.1uF
AGND AGND
C39
1uF
C35
0.1uF
AGNDAGND AGND
C34
1uF
C62
0.1uF
AGNDAGND
C61
1uF
C67
0.1uF
AGND AGND
C66
1uF
Q1
PQ05
1
3
2
GND
OUTIN
VA+ VD+
4.99K
R7
4.99K
R9
4.99K
R8
GND
VCCVCCVCC
J1
J3
J2
New Bern, NC 28562
600 Industrial Drive
AUDIOARTS ENGINEERING
OMA-70
9-7-00SA
OMA-70 Analog Stereo Output I/O Card Schematic -Sheet 1 of 1
SA
W# 700603
OMA-70 PCB 1 OF 1
SA
28S0045
D-70/Nov 2002
page 12 - 6
- Sergey Averin -
_
A
B
C
DD
C
B
A
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SIZE FSCM NO. DWG. NO. REV
D
SHEETSCALE
DATEAPPROVALS
CONTRACT NO.
DRAWN
ISSUED
CHECKED
C6
EM1
EM0
DAC/TYPE
AUTO MUTE DISABLE
AUTO MUTE ENABLE
MUTE
ON
OFF
AUX2
LT
OUT
+4dBu
BAL
AUX2
RT
OUT
LO
HI
SH
+4dBu
BAL
LO
HI
SH
+4dBu
BAL
AUX1
RT
OUT
LO
HI
SH
+4dBu
BAL
AUX1
LT
OUT
LO
HI
SH
+4dBu
BAL
PGM
LT
OUT
LO
HI
SH
+4dBu
BAL
PGM
LT
OUT
LO
HI
SH
36 PIN EDGE CONNECTOR BUSS CHART
SH
HI
LO
LO
HI
SH
PGM
RT
OUT
PGM
LT
OUT
+4dBu
BAL
+4dBu
BAL