Orban OPTIMOD-FM 8500S Operating Manual page 333

Digital audio processor
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OPTIMOD-FM DIGITAL
+5V
IC4
D0
2
19
1D
1Q
D1
3
18
2D
2Q
D2
4
17
3D
3Q
D3
5
16
4D
4Q
D4
6
15
5D
5Q
D5
7
14
6D
6Q
D6
8
13
7D
7Q
D7
9
12
8D
8Q
D[0..7]
74FCT574
DISROWA
+5V
IC5
D0
2
19
1D
1Q
D1
3
18
2D
2Q
D2
4
17
3D
3Q
D3
5
16
4D
4Q
D4
6
15
5D
5Q
D5
7
14
6D
6Q
D6
8
13
7D
7Q
D7
9
12
8D
8Q
D[0..7]
74FCT574
DISROWB
+5V
IC6
D0
2
19
1D
1Q
D1
3
18
2D
2Q
D2
4
17
3D
3Q
D3
5
16
4D
4Q
D4
6
15
5D
5Q
D5
7
14
6D
6Q
D6
8
13
7D
7Q
D7
9
12
8D
8Q
N/C
D[0..7]
74FCT574
DISROWC
+5V
IC9
D0
2
19
1D
1Q
D1
3
18
2D
2Q
D2
4
17
3D
3Q
D3
5
16
4D
4Q
N/C
D4
6
15
5D
5Q
N/C
D5
7
14
6D
6Q
N/C
D6
8
13
7D
7Q
N/C
D7
9
12
8D
8Q
N/C
D[0..7]
74FCT574
DISROWD
P4-1 and P4-2 provide GND to gnd plane on front bd.
There is no other connection to GND on the front bd to the plane.
F1
F2
F3
F4
F5
F6
F7
F8
D[0..7]
P4
1
2
.
.
F1
3
4
F2
.
.
F3
5
6
F4
.
.
F5
7
8
F6
.
.
F7
9
10
F8
.
.
F9
11
12
F10
.
.
F11
13
14
F12
.
.
F13
15
16
F14
.
.
8x2 POSTS
F9
F10
F11
F12
F13
F14
F15
F16
D[0..7]
F17
F18
F19
F20
F21
F22
F23
P3
F15
1
2
F16
.
.
F17
3
4
F18
.
.
F19
5
6
F20
.
.
F21
7
8
F22
.
.
F23
9
10
F24
.
.
+5V
F25
11
12
F26
.
.
13
14
FS2
.
.
FS3
15
16
FS4
.
.
8x2 POSTS
F24
F25
F26
FS2
FS3
FS4
R17
R18
R19
110.0
110.0
110.0
+5V
1%
1%
1%
IC3
R20
D0
3
2
FS5
D0
Q0
D1
4
5
110.0
D1
Q1
1%
D2
7
6
D2
Q2
R21
D3
8
9
FS6
D3
Q3
D4
13
12
D4
Q4
110.0
1%
D5
14
15
D5
Q5
R22
D6
17
16
FS7
D6
Q6
D7
18
19
110.0
1%
D7
Q7
R23
FS8
D[0..7]
110.0
1%
74HC374
R24
FS9
LED
110.0
1%
+5V
IC2
RP2
D0
2
19
1
16
FY7
1D
1Q
D1
3
18
2
15
FY6
2D
2Q
D2
4
17
3
14
FY5
3D
3Q
D3
5
16
4
13
FY4
4D
4Q
D4
6
15
5
12
FY3
5D
5Q
D5
7
14
6
11
FY2
6D
6Q
D6
8
13
7
10
FY1
7D
7Q
D7
9
12
8
9
FY0
8D
8Q
RES_NET
P2
100 OHM
FY0
1
.
.
74AC574
FY2
3
.
.
FY4
5
.
.
FY6
7
DISCOLB
.
.
FY8
9
.
.
FY10
11
.
.
FY12
13
.
.
FY14
15
.
.
+5V
8x2 POSTS
IC1
RP1
D0
2
19
1
16
FY15
1D
1Q
D1
3
18
2
15
FY14
2D
2Q
D2
4
17
3
14
FY13
3D
3Q
D3
5
16
4
13
FY12
4D
4Q
D4
6
15
5
12
FY11
5D
5Q
D5
7
14
6
11
FY10
6D
6Q
D6
8
13
7
10
FY9
7D
7Q
D7
9
12
8
9
FY8
8D
8Q
RES_NET
100 OHM
74AC574
DISCOLA
MAIN BOARD
D[0..7]
D[0..7]
JP203
D0
D1
1
2
D2
D3
FROM
3
4
D4
D5
POWER
5
6
D6
D7
SUPPLY
7
8
BOARD
LED
DISROWD
9
10
ENCODER
IN_SENSIT
11
12
DISCOLA
DISROWA
13
14
15
16
DISROWB
DISROWC
17
18
DISCOLB
19
20
21
22
N/C
N/C
23
24
N/C
N/C
25
26
N/C
CABLE_26P
+5V
P1
1
2
FS5
.
.
FS6
3
4
FS7
.
.
FS8
5
6
FS9
.
.
FS10
7
8
FS11
.
.
FS12
9
10
FS13
.
.
+5V
+5V
+5V
5x2 POSTS
R25
R26
R27
100K
100K
100K
1%
1%
1%
+5V
IC7A
R29
S12
10.0K
1%
ROTARY ENCODER
1
2
74HC14A
4
+5V
R30
10.0K
1%
IC7B
3
4
74HC14A
SOEARTH
MNT HOLE
IC7C
5
74HC14A
IC7D
9
74HC14A
2
FY1
4
FY3
IC7E
6
FY5
8
FY7
11
10
FY9
12
FY11
74HC14A
14
FY13
16
FY15
CR1
J1
1
1
2
HDR 2_RA
BI-COLOR
LED
+5V
JP202
1
2
3
+9VB
4
C1
+
C2
C3
C4
C5
HDR 4
6.8UF
0.1UF
0.1UF
0.1UF
0.1UF
25V
50V
50V
50V
50V
+5V
+5V
R28
IC8
100K
+5V
1%
1
19
ENCODER
DIR
E
FS10
2
18
D7
A0
B0
FS11
3
17
D6
A1
B1
FS12
4
16
D5
A2
B2
FS13
5
15
D4
A3
B3
6
14
D3
A4
B4
7
13
D2
A5
B5
IN_SENSIT
8
12
D1
A6
B6
9
11
D0
A7
B7
74HC245
D[0..7]
FRONT PANEL SCHEMATIC DIAGRAM -- REAR CIRCUIT BOARD
6-51
TECHNICAL DATA
+5V
IC7F
6
13
12
N/C
N/C
74HC14A
8
N/C
10
N/C
SPARES
2
C6
C7
C8
0.1UF
0.1UF
0.1UF
50V
50V
50V
Drawing Number
Ver.
Rev.
Sheet
62155
000
02
1
1
of

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