Sony LLC-8000A Service Manual page 16

Ll control console, student expansion board, ll conference board
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2-3. Self-diagnosis of the ASW-58 Board (LU-800B/LU-801B)
Audio system check
Fixed student-pair pattern
The following patterns are formed when the switches SW1 to SW7 are turned off.
ASW-58/64 board (LU-801B)
Gp No.
1
2
3
1
2
3
Student pair No.
64 63 62 61
ASW-58/32 board (LU-800B)
Gp No.
1
2
3
1
2
3
Student pair No.
9 10 11 12
Fixed CONF. pattern
The desired patterns are formed by the combination of the switches SW1 to SW4.
(Set SW5 to SW7 to OFF.)
ASW-58/64 board (LU-801B)
SW position
SW1
SW2
SW3
SW4
x
x
x
O
x
x
O
x
x
O
x
x
x
x
x
O
Students No.
ASW-58/32 board (LU-800B)
SW position
SW1
SW2
SW3
SW4
x
x
O
NC
x
O
x
NC
O
x
x
NC
Students No.
2-10
4
. . . .
8
. . . . . .
16
. . . . . . .
4
. . . .
8
. . . . . .
16
. . . . . . .
57
49
. . . .
. . . . . .
. . . . . . .
4
. . . . .
8
9
10
. . . . .
4
. . . . .
8
17
18
. . . . .
16
25
26
. . . . .
. . . . .
CONF.
64
students
32
1
students
16
1
students
8
1
2
students
1 to 4
5 to 8
9 to 12
64 to 61
60 to 57
56 to 53
CONF
Gp No.
32
1
students
16
1
students
8
1
2
students
1 to 4
5 to 8
17 to 20
9 to 12
13 to 16
25 to 28
24
. . . . . . .
32
24
. . . . . . .
32
41
33
. . . . . . .
16
24
32
Gp No.
1
2
3
3
4
5
6
13 to 16
17 to 20
21 to 24
52 to 49
48 to 45
44 to 41
2
3
4
21 to 24
29 to 33
2
4
7
8
24 to 28
29 to 32
40 to 37
36 to 33
LLC-8000A

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Lu-816aLu-800bLu-801b

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