3-3
A
A
C
j
g
p
p
h
o
m
e
d
g
f
f
j
n
c
a
b
d
e
Headphone jack board
AC power supply board
DC power board
Main board
board
Digital output
board
Connector
board
h
83
78
77
43
53
54
49
49
73
40
72
69
71
50
48
28
47
44
27
47
45
41
30
29
23
32
31
25
26
43
70
46
39
18
24
81
82
49
42
56
75
75
75
38
38
B
B
o
62
52 58
59
61
55
59
52
60
51
63
75
