Table 3-5. Vocon Board Data Bus (Hd) Pinouts - Motorola ASTRO Digital Spectra Plus Detailed Service Manual

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Theory of Operation: ASTRO Spectra VOCON Board
Table 3-4. VOCON Board Data Bus (D) Pinouts (Continued)
D9
D10
D11
D12
D13
D14
D15
D16
D17
D18
D19
D20
D21
D22
D23
Bus
HD0
HD1
HD2
HD3
HD4
HD5
HD6
HD7
6881076C25-E
Bus
U402
U403
H8
H8
J9
J9
J8
J8
J2
J2
J1
J1
H2
H2
G2
G2
G1
G1
F1
F1
E1
E1
E2
E2
D1
D1
C1
C1
C2
C2
B1
B1

Table 3-5. VOCON Board Data Bus (HD) Pinouts

U201
U202
U204
14
1
C6
15
12
B8
16
13
C7
18
15
D5
19
16
C8
20
17
D7
21
18
D6
23
19
D8
U404
U405
U406
J4
H9
K5
H8
L5
J8
J5
L9
K6
K8
J6
L8
H7
J7
L9
K7
K8
L7
K7
J6
J7
K6
L8
J5
K10
L6
J9
L5
J10
K5
U205
U206
U210
21
C3
21
22
B1
22
23
C2
23
25
D4
25
26
C1
26
27
D2
27
28
D3
28
29
D1
29
U414
H8
J9
J8
J2
J1
H2
G2
G1
F1
E1
E2
D1
C1
C2
B1
U405
C7
B8
D7
A9
C9
C10
D8
C8
September 5, 2008
3-31

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