Yamaha MCX-A10 Service Manual page 37

A B
PRINTED CIRCUIT BOARD (Foil side)
1
Point e
CH 1 : Pin 1 of IC2
CH 2 : Pin 3 of IC2
CH 1
CH 1
CH 2 CH 2
2
↑
↑
AC CORD OFF
AC CORD ON
(Disconnect the AC adaptor)
(Connect the AC adaptor)
3
4
5
NOTE)
The CORE P.C.B. actually has a six-layer pattern structure (part face pattern, internal pattern
1, internal pattern 2, internal pattern 3, internal pattern 4 and solder face pattern) but it is
shown as "part face pattern + solder face pattern" in this diagram.
NOTE)
CORE P.C.B.は、6層パターン構造（部品面パターン、内層1パターン、内層2パターン、内層3パ
ターン、内層4パターン、ハンダ面パターン）ですが、本図のCORE P.C.B.は、部品面パターン＋ハ
ンダ面パターンを表記しております。
6
C
Point e
CH 1 : Pin 1 of IC2
CH 2 : Pin 3 of IC2
↑
AC CORD ON
(Connect the AC adaptor)
3
CH1
3
CH2
D E
CORE P. C. B.
(Surface Mount Device)
1
7
2
1
3
8
14
7
1
8 14
24 13 24 13
5 1
1 12 1 12
5 1
105
156
157
104
208 53
1
52
24
27 1 27 1
25
28 54 54
28
5 4
8
1
F G
MCX-A10/MCX-SP10
EXCEPT J MODEL
11 10
1
20
1
48
H
37