AudioArts Engineering RD-12 - Stereo Line Input Module Schematic (SLD-500)

C73
0.1uF
C67
0.1uF
C57
0.1uF
0.1uF
C44
11
6
125
U29
OPTO1
15
2
161
U29
OPTO1
9
10 7
8
U30
OPTO1
11
6
125
U30
OPTO1
13
4
143
U30
OPTO1
15
16 1
2
U30
OPTO1
220 R125
9
10 7
8
U31
OPTO1
11
6
125
U31
OPTO1
13
4
143
U31
OPTO1
VCC
220 R131
GND
475 R127
GND
475 R133
VCC
GND
475 R128
GND
475 R134
220 R136
VCC
220 R130
VCC
GND
475 R122
GND
475 R118
GND
220 R120
VCC
4.99K
R124
C60
0.1uF
4.99K
R121
C65
0.1uF
4.99K
R135
C64
0.1uF
4.99K
R132
C62
0.1uF
4.99K
R126
4.99K
R129
C59
0.1uF
4.99K
R119
40.2K
R59
VCC
40.2K
R56
VCC
40.2K
R57
VCC
40.2K
R58
VCC
U13
89
74AC14
U13
1011
74AC14
U13
34
74AC14
U13
1213
74AC14
U13
65
74AC14
U14
74AC14
12
U14
43
74AC14
U14
11 10
74AC14
R8 220
R9 220
R10 220
R11 220
C21
0.1uF
GND
C19
0.1uF
GND
C18
0.1uF
GND
C16
0.1uF
GND
GND
VCC
R6
10.0K
VCC
U14
74AC14
56
U14
98
74AC14
R7
4.99K
VCC
GND
VCC
GND
C20
0.1uF
C17
0.1uF
20.0K
R97
VCC
20.0K
R98
VCC
9
8
107
U29
OPTO1
C61
0.1uF
475 R123
GND
SS14 D3
10.0K
R93
VCC
GND
220
R150
332
R151
GND
VCC
39 R144
39
R149
39 R143
GNDGND
1.0M
R79
SS14 D5
GND
VCC
SS14 D4
10.0K
R92
VCC
15
16 1
2
U31
OPTO1
C63
0.1uF
SW2
Phone Energize DIPSW:
DIPSW POS 1- PGM
DIPSW POS 2- AUD
DIPSW POS 3- AUX
DIPSW POS 4- UTL
1
2
3
4
U13
21
74AC14
2
3
4
6
79
10
11
12
13
14
15
17
18
19
U36
49FCT805
OEB
INB
INA
OEA
OA1
OA2
OA3
OA4
OA5
OB1
OB2
OB3
OB4
OB5
MON
F4
1.1A
POLYSW
F2
.3A
POLYSW
F3
.3A
POLYSW
F5
POLYSW
1.1A
U14
13 12
74AC14
14
13
3
4
U29
OPTO1
SW7
AGND
C72
22uF
C58
100uF
C75
1uF
C74
1uF
D1
4148
C26
100uF
C47
22uF
600 Industrial Drive
New Bern, NC 28562
14S0024H
W# 700219
SLD-500H PCB
8-6-01
D-500/Aug 2001
SLD-500
SA
Page 5-5b
SLD-500 Stereo Line Input Module Schematic -
Sheet 3 of 4
3 OF 4
D
REVSIZE
SHEET
DWG. NO.FSCM NO.
SCALE
CONTRACT NO.
DATEAPPROVALS
DRAWN
CHECKED
ISSUED
A
21
2
345678
876543 1
B
C
DD
C
B
A
SS14 D2
C51
0.1uF
GND
.17A
POLYSW
F1
U37
LM2940
3
2
1
OUTVIN
GND
GND
Q3
3
21
PQ05
OUTVIN
GND
C5022uF
C52 0.1uF
C53 0.22uF
100R94
100R95
INSTALL
ONE
INSTALL ONE
OPTIONAL
EXTERNAL
ON/OFF
PULSE-
CONSTANT
SWITCH
V+in
V-in
V-
V+
GND
+DIG
LDBREADYA
LDBSTOPA
LDBOFFA
LDBONA
LDBSTARTA
LDBREADYB
LDBSTOPB
LDBOFFB
LDBONB
LDBSTARTB
XSTARTBLDBS/SBXSTARTA
XEXONBLDBONBXEXONALDBONA
LDBS/SA
XEXOFFBLDBOFFBXEXOFFALDBOFFA
XSTOPALDBS/SA XSTOPBLDBS/SB
XEXREADYALDBREADYA XEXREADYBLDBREADYB
XSEQIN
LDBSEQIN
LDBSEQIN
XSEQOUT
LDBSEQOUT
LDBSEQOUT
XDSPPGM
XDSPAUD
XDSPAUX
XDSPUTL
PHONEPGM
PHONEAUD
PHONEAUX
PHONEUTL
MDLPWRUPRESET
XON
XOFF
XPOFF
XDCLKX
CLKXA
XMCLKOE
CLKXB
DBMCLK
XDBUSIN
XPON
DB_VCCVCC
+REGin