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J
K
Q Q
PC BOARD (Foil Side View)
3 7 6 3 1 5 1 5 0
1
SYNTHESIZER UNIT
SYNTHESIZER UNIT
X14-6440-XX (J74-1140-12/J74-1397-02)
(X14-6440-XX)
R
e
. f
N
O
.
A
d
d
e r
s s
C I
Q
3
3
O
C60
1
0
4
M
2
1
5
4
M
1
8
3
O
1
9
3
O
2
1
3
O
2
3
3
N
2
7
4
O
2
9
4
N
3
0
4
N
3
1
4
N
C173
3
3
5
P
3
7
5
O
4
1
4
O
3
4
3
5
O
4
5
5
N
7
2
3
L
8
8
3
L
8
9
3
L
T E
L
1 3 9 4 2 2 9 6 5 1 3
4
5
6
Refer to the schematic diagram for the values of resistors and capacitors.
w w w
7
13
L
M
R48
TH1
R47
R33
R38
C35
R34
R23
R24
R37
R8
C36
R10
R9
R7
C37
C39
C40
B
E
Q72
D51
B
E
R167
B
E
R315
7
1
R168
R135
C97
R112
IC10
R313
8
14
D50
IC15
4 3
R289
R306
1 2
L10
R287
R364
R82
W101
R336
W102
C6
C306
C5
R331
R377
R365
R221
R374
C221
R370
C225
C223
x
a o
.
i
N
O
D22
D1
IC3
O
G
I
E
R90
E
B
B
Q23
B E
W103
R95
C83
R106
R96
Q
Q
3
7
6
B
E
Q29
D82
E
B
R109
B E
B
E
Q31
R119
B
E
Q41
Q37
E B
D81
R122
B E
C98
Q43
E B
R120
C99
Q45
u 1 6 3
y
14
P
Q
2
4
8
9
9
SWITCH UNIT
X16-1540-10 A/2 (J74-1305-12)
ILL+B
DGND
KI3
C14
CP56
DA-SCL
DA-SDA
R21
Q6
Q53-55
C
B
C
E E
B
Q53
R64
B
CP52
KI4
ILLUM G
RESET
E
C62
1
C63
C64
4
C67
C66
C65
3
1
5
1
5
0
8
9
Q4
R16
Q3
R15
50
E
B
51
Q33
75
76
CP3
KS1
CP2
KS2
Q1
KS3
KI2
KS5
CP51
Q50-52
B
E
E
Q52
C
B
C
S28
m
c o
.
R
2
8
9
9
SWITCH UNIT
(X16-1540-XX)
R
e
. f
N
O
.
A
d
d
e r
s s
C I
Q
1
5
Q
3
3
Q
1
5
Q
3
4
Q
4
4
Q
5
5
Q
6
2
Q
5
0
6
Q
5
1
6
Q
5
2
6
Q
5
3
3
Q
5
4
3
Q
5
5
3
Q
6
2
3
Q
Q54
6
3
3
Q
Q55
6
4
3
Q
R8
VDD
R7
C68
8
R66
R67
R68
5
Q62
Q64
2
4
9
8
2
9
9
Q63
R28
R27
26
25
1
100
R11
R1
R4
C1
R3
X16 B/2
E
B
R62
C57
C54
CP50
Q51
Q50
C53
C50
R17
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