Yamaha PX10 Service Manual page 133

A B
■BLOCK DIAGRAM (PX10/PX8/PX5/PX3)
AUDIO
9
JK401
IC403(8P)
22 21 IC409(8P)
22
5
3 5
1 8
7 2 1
INPUT
6 5
CH A IC422 6 4
7
(32P)
IC417
(28P)
JK403
JK402
24
3
5
32 25 3
6 25
1 2 1 7
INPUT
2
CH B
IC403(8P) 10
IC411(8P)
11
12
JK404
VOL
VR302
VOLUME B
IC301(14P)
VR301
VOLUME A
USB
IC301(5P)
1 1
5
CB307 3
USB
IC302(5P)
5 4
CB306(9P)
CB106(9P)
44,48,49,54,102
50,51,52,53,55,56,60,61
D301,D306
D302,D307
D303,D308
D309
D310
D311
SW302~SW305
CB107
MAIN
ENC
2
SW301
CB104
Q101
5
FPN
28CA1-2001158970-1
C D
IC420(4P)
3 4
14
29 8,20,31
8
14
1
21
16 14
IC418(8P)
2
26
17
IC410(32P)
4
30 12
18
2
3
27
3
11
5 10
6
15
3
5
9
19
IC421 IC416(16P)
(5P)
15,16 1 9 19 32 12,13
4
1,3 2
XL401
CB402(36P)
CB105(36P)
3,7,8
IC104(8P)
1,2
5,6
5,16,17,25,36,41,59,
71,77,94,107,111,127,
35
92 131,137,141
43 32,33
93
95 106
62 112 108 110 34,45
144
143
21
87,88
75
97
MCU
81 82
18,20 101
22 100
15
104
96
142
65 72
10,84
115
66,91
11,85 113
IC103(144P)
37
138
39 139
47
26
46,57,58,63
29
70,79 30 117
31
80 27
103
118 136
12
128
3
119
98 13
8
121
122
123
124
XL101
1
4
2
8 1,2,3,5,6,7
IC105
(5P)
IC101(5P) IC102(8P)
4
E
IC606(8P)
IC602(8P)
※1:1,2,8,10,14,19,20,32,
35,35,41,60,66,67,71 3 3
2 1 2 1
5 3
6 7 2 1
※1
IC605(8P)
39 59 42 43 58
62
54
63
1
53
38
52
7
48
IC601(80P)
49
47
17
3
IC414
(14P)
5 9
Q408,Q410
IC805(3P)
IC806(3P)
IC406(8P)
IC401(3P)
W401(5P)
CB402/403(3P) CB405(5P)
FAN
x2
8 4
IC402
1,7
(8P)
5
8
1,7
5
IC401(8P)
PF
1
8 IC403(8P)
F G
IC602(8P)
5
7
6
IC605(8P)
5
7
6
9 11
IC808(8P)
14
3,4
5
15 10
1
10
1,5
6,8
IC612(16P)
1 3
9 11
2
14
IC810(8P)
5
15
1
10
IC613(16P)
9 11
14
5
15
1
10
IC803(16P)
9 11
IC807(8P)
14
3,4
5
15
10
1
10
1,5
6,8
IC804(16P)
7 5
6
Q615,Q616
IC810(8P)
Q814,Q815
Secondary Primary
PS
8 3,15,16
6 2
IC205(16P)
2,3
Q221 IC207
13
(8P)
IC208
IC209
RY201
D208
IC210
3
IC201(7P)
10 3
2 11
3 14
T201
IC211(8P) IC212(16P)
■BLOCK DIAGRAM (PX10/PX8/PX5/PX3)
H
PX10/PX8/PX5/PX3
SPEAKERS
OUT
JK901 1
PHONE
A
L901
TE901
SpeakON
A/B
NEG
A
POS
TE903
5WAY
POS
B
NEG
L902 2
TE902
SpeakON
B
PHONE
B
JK902
3
WARNING
Components having special characteristics
are marked ! and must be replaced with
parts having specification equal to those
originally installed.
! 印の部品は、 安全を維持するために重要な部
品です。
交換する場合は、 安全のため必ず指定の部品を
ご使用く だ さ い。
4
AC-INLET
!
TE101
ACIN
F101
CB103(4P)
F201 5
W302A/B/C
POWER
SW
SW301
PSW
!
3