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2-3-2. Self-diagnosis of the ASW-58 Board
Remove the ASW-58 board with the main power off. Connect the ASW-58 board to the checker tool.
Set the switch S1 to the DIAG position. Then turn on the main power. The self-diagnosis software of the
ASW-58 board starts.
Checker
Fabricate the checker tool as shown below for troubleshooting and field-servicing the ASW-58 board.
CN1
1
B1 MONI
2
B1 MON
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
B16 MONI
47
B16 MON
48
49
50
B1 MON
Audio level
meter
B64 MON
+15V
DC regulated
powersupply
0V
LLC-8000A
CN2
B17 MONI
2
B17 MON
B33 MON
3
5
6
8
9
11
12
14
15
17
18
20
21
23
24
26
27
29
30
32
33
35
36
38
39
41
42
44
45
B32 MONI
47
B32 MON
B48 MON
48
50
CN7
1
2
3
2-3. Self-diagnosis of the ASW-58 Board (LU-800B/LU-801B)
CN3
B33 MONI
B49 MONI
2
B49 MON
3
5
6
8
9
11
12
14
15
17
18
20
21
23
24
26
27
29
30
32
33
35
36
38
39
41
42
44
45
B48 MONI
B64 MONI
47
B64 MON
48
50
CN6
SW1
1
SW2
2
SW3
3
SW4
4
SW5
5
SW6
6
SW7
7
8
9
10
11
12
CN4
2
3
5
6
8
9
11
12
14
15
17
18
20
21
23
24
26
27
29
30
32
33
35
36
38
39
41
42
44
45
47
48
50
B1 MONI
Oscillator
1kHz
_10dB
B64 MONI
2-7
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