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A
B
Q Q
PC BOARD (Component Side View)
3 7 6 3 1 5 1 5 0
1
SWITCH UNIT
X16-1540-10 A/2 (J74-1305-12)
SWITCH UNIT
(X16-1540-XX)
D21
IC2
R
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. f
N
O
.
A
d
d
e r
s s
C I
Q
2
2
B
D20
D24
2
D23
D17
3
T E
L
1 3 9 4 2 2 9 6 5 1 3
4
5
X16 B/2
D53
D52
D51
D50
6
w w w
.
7
C
D
SYNTHESIZER UNIT
X14-6440-XX (J74-1140-12/J74-1397-02)
D22
13
11
12
8
4
3
2
16
9
10
6
7
5
1
D16
8
J3
R71
D21
W1
D14
C1
C2
C93
C94
C3
D3
D15
D18
R107
C87
C82
D13
D12
C84
C308
Q44
5V
E
B
D11
Q42
E
D44
R124
B
E
ILL+B
Q36
R118
E
B
E
D10
1
2
CP10
D9
11
12
1
D8
D7
x
a o
u 1 6 3
y
i
E
F
8
W14
2
IC4
1
C81
R136
9
R12
1
W17
R14
D52
L12
J1
C41
R131
STBY
SVR
C38
Q24
W4
C112
W7
W5
R98
W10
R97
Q25
R100
L8
C111
A8V
D37
Q26
Q28
L9
B
E
B
E
Q39
R108
R114
R123
R308
Q
Q
R125
3
7
6
3
1
C252
X2
C307
C253
C90
1
25
26
R116
IC1
Q38
B
E
50
D42
51
R286
75
C305
R321
R324
R323
R328
R322
R359
P1
R327
R358
IC13
R330
B E
W107
Q46
10
PANEL5V
Refer to the schematic diagram for the values of resistors and capacitors.
.
11
G
H
2
4
9
9
8
W21
24
25
D15
R11
R13
D17
PMUTE
D5
D6
J2
R134
W19
Q4
Q3
WH1
E
B
E
B
W20
Q2
Q1
B E
B E
D13
C29
C27
C31
C32
D11
C28
L1
C30
C33
Q87
C34
C131
C132
28
15
B E
C154
B E
IC2
1
C135
14
C169
R162
R161
Q90
C157
24
C136
C137
SW5V
B E
IC2C
CN3
7
CN2
13
R302
SDA
5
1
5
0
8
9
2
4
SCL
R303
AUDIO
R347
6
R344
R219
CLK
MCD/DATAS
100
R220
R194
C190
SCD/DATAL
C191
CP9
Q73
R348
R193
CP8
R338
B E
R339
IFC
R335
NOISE
SMET
Q85
NOISE
76
R333
B
E
1
CN1
C226
2
12
1
13
CP7
1
16
9
X3
8
R192
R195
R196
m
c o
I
2
9
9
SYNTHESIZER UNIT
(X14-6440-XX)
R
e
. f
N
O
.
A
d
d
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s s
C I
Q
1
4
F
2
3
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1
4
2
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1
1
5
G
1
3
5
E
1
2
G
2
2
G
3
2
G
4
2
G
2
0
3
D
2
2
4
D
2
4
3
E
2
5
3
E
2
6
3
D
2
8
3
E
3
2
2
D
3
4
4
D
3
6
4
D
3
8
4
E
3
9
4
E
4
2
4
D
4
4
4
D
4
6
5
E
1
7
1
2
G
9
8
2
9
9
7
3
4
H
2
8
5
4
G
8
6
3
G
8
7
3
G
9
0
4
H
12
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