BSS Audio FDS 360 - Page 39

39
Fig 20.12 FDS360 EQ 'D'
card Schematic
+
7
5 6 2 3
1
+ +
R39
SOA
R37
47K
R40
4K7
R43
2K2
R42 10K
R41
SOA
R44 SOA
C12 SOA
C11
SOA
IC7 353
IC7 353
CUT
BOOST
B1 C1 B2 B3
SW
C2
1 2 3 4
FILTERINPUT
SOURCE
R4 10K
R11 10K
CUT
C3 SOA
+
+
R3 10K
C2 SOA
R8 SOA
R5 47K
R6 47K
R7 SOA
R9 4K7
R12 2K2R10
SOA
R13 SOA
C4 SOA
IC1 353
353 IC2
353
2
1
3
76
5
1
2 3
BOOST
IC3 353
+
5
3 2
C10 SOA
IC4 353
IC4 353
C7 SOA
R31
SOA
R29 10K
R27 4K7 R26 SOA
C9 SOA
+
CUT
BOOST
2 3
1
1
67
+
R33
10K
R35
10K
R36
47K
R38 SOA
IC6 353
C8 SOA
R28 SOA
R30 2K2
R25 SOA
R24 47K
IC1
C6 SOA
R16 SOA
R15 47K
R14
47K
67
7
5 6
5
7
6
IC6 353
R23
47K
R34 10K
R32
10K
+
IC3 353
353C5
SOA
R22
SOA
R19 SOA
R20
10K
R21 2K2
R18
4K7 R17
SOA
C1 SOA
R1 10K
R2 10K
+
1
3 2
BOOST
CUT
B4
2 3 4
1 2 3 4
B1 B2 B3 B4
B1 B2 B4 B3
FILTER OUTPUT
OUTPUT
PLG1 14WDILHEADER
1 7
14
BAND4SEND
SWITCHEDSEND
BAND3SEND
BAND2SEND
CHAN.1SEND
BAND1SEND
CHAN.2SEND
+15V
BAND1RTN
-15V
BAND2RTN
BAND3RTN
0VEARTH
BAND4RTN
+15V -15V
IC2
+
5
+