AudioArts Engineering RD-12 - Page 100

GND
C111
0.1uF
C78
0.1uF
VCC
VCC
R2 1.00K
C8
0.001uF
VCC
VCC
VCC
C1
0.1uF
VCC
GND
C2
0.1uF
VCC
GND
C3
0.1uF
VCC
GND
R1
4.99K
GND
R19 220
GND
R21 220
GND
R25 220
GND
R27 220
GND
R30 220
R18
1.00K
GND
GND
R24
1.00K
GND
R28
1.00K
GND
R20 220
R22 220
R26 220
R29 220
R32 220
R4
4.99K
VCC
GND
VCC
C4
0.1uF
VCC
GND
C5
0.1uF
VCC
GND
C6
0.1uF
VCC
GND
C9
0.1uF
VCC
GND
C7
0.1uF
VCC
GND
GND
R33 220
R35 220
120/79
R3
10.0K
VCC
120/50
R36
4.99K
VCC
120/49
R39
4.99K
VCC
U3
11 10
74AC14
U3
98
74AC14
U3
12
74AC14
U3
56
74AC14
U8
65
74AC14
U8
74AC14
1213
GND
R87 10
VCC
R86 100
U4
74LS74
8
9
10
11
12
13
D
Q
Q
CLR
PR
CK
U4
74LS74
1
2
3
4
5
6
D
Q
Q
CLR
PR
CK
R95
2.43K
VCC
GND
120/53
Q1
MMBTA55
R94
4.99K
VCC
VCC
GND
R31
1.00K
CT7
"TB 1"SW
1
6
5
4
3
2
R23
1.00K
U3
43
74AC14
K1
6
4
23 81 7
5
"TALLY 2"
RELAY
R97
2.43K
VCC
GND
120/54
R96
4.99K
VCC
GND
VCC
R84 10
R83 100
R82
4.99K
R85
4.99K
VCC
VCC
R5
4.99K
GND
R6
4.99K
GND
U6
74LS74
1
2
3
4
5
6
D
Q
Q
CLR
PR
CK
SW1
5
SW1
7
R7
4.99K
GND
R8
4.99K
GND
R9
4.99K
VCC
ST 1
PRE
OUT
LDB/9
36/34
LO
+4dBu BAL
LDB/21
36/35
HI
AGND
U27
8
7
6
5
4
3
2
1
SSM2142
V-
+
V+
gnd
+
-
C62
68pF
AGND
C61
68pF
AGND
LDB/22
36/33
SH
AGND
LDB/20
120/1
LO
+4dBu BAL
LDB/7
120/2
HI
AGND
C66
68pF
AGND
C64
68pF
AGND
LDB/8
36/36
SH
AGND
-2dBu
-2dBu
LDB/12
36/28
ST 2
PRE
OUT
LO
+4dBu BAL
LDB/24
36/29
HI
AGND
U25
1
2
3
4
5
6
7
8
SSM2142
V-
+
V+
gnd
+
-
C56
68pF
AGND
C55
68pF
AGND
LDB/25
36/27
SH
AGND
LDB/23
36/31
LO
+4dBu BAL
LDB/10
36/32
HI
AGND
C60
68pF
C58
68pF
AGND
LDB/11
36/30
SH
AGND
-2dBu
-2dBu
UDB/14
36/24
COM
UDB/1
36/25
NO
TALLY
2 OUT
UDB/3
36/21
COM
UDB/15
36/22
NO
TALLY
3 OUT
AGND
C65
0.1uF
C57
0.1uF
C59
0.1uF
C63
0.1uF
VIEWED FROM ABOVE
(COMPONENT SIDE)
PQ05SZ1 IC PINOUT
2
321
VIEWED FROM ABOVE
(COMPONENT SIDE)
74AC14
IC PINOUT
VCC
Od
Ob
Oa
14
13
12
11
10
9
87
6
5
4
3
2
1
VSS
O2c
Oe
Ie
Ic
Ia
Ib
Id
Of
If
VIEWED FROM ABOVE
(COMPONENT SIDE)
74LS74
IC PINOUT
VCC 14
13
12
11
10
9
87
6
5
4
3
2
1
VSS
CLRa
Da
CKa
PRa
Qa
Qa
Qb
Qb
PRb
CKb
Db
CLRb
VIEWED FROM ABOVE
(COMPONENT SIDE)
74AC02
IC PINOUT
VCC
I2d
I1d
Od
I2c
I1c
Oc
Ob
I2b
I1b
Oa
I2a
I1a
14
13
12
11
10
9
87
6
5
4
3
2
1
VSS
VIEWED FROM ABOVE
(COMPONENT SIDE)
74HC30
IC PINOUT
VCC 14
13
12
11
10
9
87
6
5
4
3
2
1
VSS
I1
I2
I3
I4
I5
I6
N/C
N/C
N/C
I7
I8
OUT
VIEWED FROM ABOVE
(COMPONENT SIDE)
SSM2142 IC PINOUT
V+
V-IN
GND
OUT+
SNC+SNC-
OUT- 8
7
6
5
1
2
3
4
CT4
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
CT5
N/C
N/C
N/C
N/C
N/C
N/C
1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
GND
C11
0.1uF
VCC
U3
13 12
74AC14
R34
1.00K
GND
SW1
6
CT6
"TB 2"SW
1
6
5
4
3
2
U8
1011
74AC14
K2
5
7
18
32
4
6
"TALLY 3"
RELAY
Q2
MMBTA55
U26
8
7
6
5
4
3
2
1
SSM2142
V-
+
V+
gnd
+
-
AGND
GND
U2
4
5
6
74ACT02
U5
3
2
1
74ACT02
U5
6
5
4
74ACT02
U5
10
9
8
74ACT02
U2
11
12
13
74ACT02
U2
8
9
10
74ACT02
U8
89
74AC14
SW1
1
U1
13
12
11
10
9
8
74LS74
D
Q
Q
CLR
PR
CK
U28
1
2
3
4
5
6
7
8
SSM2142
V-
+
V+
gnd
+
-
F3
.4A
POLYSW
F4
.3A
POLYSW
U8
34
74AC14
U8
21
74AC14
SW1
2
U5
13
12
11
74ACT02
U1
6
5
4
3
2
1
74LS74
D
Q
Q
CLR
PR
CK
U2
1
2
3
74ACT02
U7
1
2
3
4
5
6
8
11
12
74HC30
U6
13
12
11
10
9
8
74LS74
D
Q
Q
CLR
PR
CK
V+
V-
V+
V-
V+
V-
V+
V-
V+
V-
C25
1uF
C27
1uF
C28
1uF
C29
1uF
C10
100uF
C26
1uF
C30
1uF
C77
100uF
C112
1uF
C113
1uF
C107
22uF
D4
1N4002W
D3
1N4002W
D2 4148
R37 100
R38 100
600 Industrial Drive
New Bern, NC 28562
Page 14-26
14S0066B
SCD-500B PCB
2 OF 4
W# 700308
SCD-500
SCD-500 Studio Control Module Schematic -
Sheet 2 of 3
SA
D-500/Jul 2001
7-25-01
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
U38
PQ05
3
21
OUTVIN
GND
D1
4148
ST 2 DIM
TB DIM
ST 1 DIM
ST2 TB MUTE
ST1 TB MUTE
NOTE: PHASE SYMBOLS DENOTE SIGNAL POLARITY
IN PHASE OUT OF PHASE
+REGin+DIG
EXT1SW
EXT2SW
EXT2LED
EXT1LED
EXT1
EXT2
PGM
AUD
AUX
UTL
UTLLED
UTLSW
AUXLED
AUXSW
AUDLED
AUDSW
PGMLED
PGMSW
EXT1
EXT2
PGM
AUD
AUX
UTL
TBTOSC1
TALLY2RELAYCOM
XDTALLY2
TALLY3RELAYNO
TALLY3RELAYCOM
XDTALLY3
TBTOSC2
TBMUTE
SC2MUTE
SC1DIM
SC2DIM
TBDIM
SC1PRELT
SC1PRERT
SC2PRELT
SC2PRERT
TALLY2RELAYNO
SC1MUTE
XDST2MUTE
XDRESET
XDST1MUTE
SC1PREOUTLTLO
SC1PREOUTLTHI
SC1PREOUTRTLO
SC1PREOUTRTHI
SC2PREOUTLTLO
SC2PREOUTLTHI
SC2PREOUTRTLO
SC2PREOUTRTHI