3-3
D
C
e
d
f
a
b
D
C
Bracket board
Main board
Audio & Digital input board
Bracket board
Front board
a
c
e
f
A
b
B
Connection board
mm
mm
1
8
6
5
60
9
65
13
31
32
40
43
41
37
42
59
66
36
63
64
62
37
37
38
10
10
10
9
9
8
37
54
41
41
46
45
50
47
44
48
56
57
58
14
14
61
33
34
55
68
49
67
67