Pioneer EFX-500, Руководство по обслуживанию

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EFX-500
12
A
B
C
D
1 2 3 4
1 2 3 4
3.3 MAIN (2/3) BOARD ASSY
2/3
A
MAIN BOARD ASSY
(2/3)
(DWX1907)
A
2/3
A
1/3
A
1/3
10
10
TP- DO1
V : 1V/div. H : 5
µ
V/div.
GND
11
11
TP- DO2
V : 1V/div. H : 5
µ
S/div.
GND
Voltage [ V ]
No.
1
2
3
4
5
6
7
8
9
10
4.74
0 - 5.0
0 - 5.0
0 - 5.0
0 - 5.0
0
0 - 5.0
0 - 5.0
0 - 5.0
0 - 5.0
Voltage [ V ] No.
11
12
13
14
15
16
17
18
19
20
0 - 5
0 - 5
0 - 5
4.74
0
0 - 5.0
0 - 5.0
0 - 5.0
0 - 5.0
0 - 5.0
Voltage [ V ] No.
21
22
23
24
25
26
27
28 0
0 - 5.0
0 - 5.0
0 - 5.0
0 - 5.0
0 - 5.0
0 - 5.0
0
IC402 (MB814800-70PJ)
Voltage [ V ]
No.
51
52
53
54
55
56
57
58
59
60 4.74
4.74
0 - 5.0
0 - 5.0
0 - 5.0
0 - 5.0
0 - 5.0
0 - 5.0
0 - 5.0
0 - 5.0
Voltage [ V ]
No.
61
62
63
64
65
66
67
68
69
70
0
1.0 - 4.0
0 - 5.0
0
4.74
0
4.74
0
0
4.74
Voltage [ V ]
No.
71
72
73
74
75
76
77
78
79
80
0
0
4.74
0
0
0
0
4.74
0
0
Voltage [ V ]
No.
81
82
83
84
85
86
87
88
89
90
4.74
4.74
0
4.74
0.96
0
0
0
2.40
0
Voltage [ V ]
No.
91
92
93
94
95
96
97
98
99
100
4.74
0
0
2.40
0
1.40
0
4.74
1.40
1.40
Voltage [ V ]
No.
1
2
3
4
5
6
7
8
9
10
1.40
1.40
1.40
0 - 5.0
0 - 5.0
0 - 5.0
0
0 - 5.0
0 - 5.0
0 - 5.0
Voltage [ V ]
No.
11
12
13
14
15
16
17
18
19
20
0
0
0
0 - 5.0
0
0 - 5.0
0
0
4.74
4.74
Voltage [ V ]
No.
21
22
23
24
25
26
27
28
29
30
0
0
0 - 5.0
0 - 5.0
0
4.74
4.74
0
0
0
Voltage [ V ]
No.
31
32
33
34
35
36
37
38
39
40
0 - 5.0
0 - 5.0
0 - 5.0
0 - 5.0
0 - 5.0
0 - 5.0
0 - 5.0
0 - 5.0
0 - 5.0
0
Voltage [ V ]
No.
41
42
43
44
45
46
47
48
49
50
0 - 5.0
0 - 5.0
0 - 5.0
0 - 5.0
0 - 5.0
0 - 5.0
0 - 5.0
0 - 5.0
0 - 5.0
4.74
IC401 (MN19413A)
PARTS No.
SILK No.