Synthesizer Unit; Switch Unit - Kenwood GX-608EF2 Service Manual

J K
PC BOARD (Component Side View)
1

SYNTHESIZER UNIT

X14-6212-70
F2
(J74-1018-22)
Q706 Q701
B E B E
C718
R724
R716
D710
10 11 C707
1 B E
C719
2
8 9 4
B E
13 5 7
2 3 6 12
R725
E B
J1
R711
C712
L72
R508
Q94
D705
C722
B E
C721
D902
C903
D503
R505 E B
R904
C601
L801
C901
R509
R919
Q902
R903
R841
R915
E B
Q709
7 1
B
E C902
E B
IC83
R902
R723
3
B E C723
8
14
GND
E B
R718
R719
B E
Q603
E B
C604 R832
E B
R834
E B R835
R822
C800 R821
R811
C613
R826
30
31
E B
C814
R5
6
R4
X82
C815
4 R9
IC81
R7
R3
R842
R1 50
R845
51
1
R2
R846 R847
R848
B E
E B
R614
Q610
Q609
B E Q6 Q5
B E
E B
E B
C608
D602
R33
13 IC2
Q7
C614
E B
E B
5
E B
14
C611
C27
IC82
D604
3 1 C28
CN81
R600
5
4
2
1
6
7
13
L M
F1
R416
R415
2
C415
1
7 J2 14
L71
C417
6 R417
1 3 4
CN82
D707
22 1
C714
R923
C407
C406 C405 C408
R921
D904
1 8
C906
4 5
R712
IC90 4 1 W318 W317
C715
D804
IC72
W201
5 8
R714 R713
D713
R721
R208
R907
R906
14 14
8 8
Q203
C215
E B
IC31 IC32
7 1
1 7
Q202
R802
C313
D203
R818
4 1
C314
IC84
C218
C213
C205 C206 C207 C208
5 8
C202
R804
R806 R803
L21
R805
R801 R912
28 15
R800 R914
1
R201
R913
100 14 8
R911
B E
IC22
R910
R894 IC21 R202
R899
R900 R231 1 B E
R898
R897 R918 R227 1
B E 7 C214 14
R895
R896 Q201
R893
R892
R891
R890
81
C201 C203 C204 C212 C211
80 C209 C210
R886 R887
R15
R885 R888
C22
C10
C14
B E
1
10
C3 R12
40
11
B E
C18
C24
IC1
C23
C17
20 31
B E
21
30 R25
R29
1
R37
C31
C29
C16
C7 C9 C12 C15
R34 C21
R35
25
L17
C32 R36
C30
R38
C610
20
19
Refer to the schematic diagram for the values of resistors and capacitors.
N
SYNTHESIZER UNIT
(X14-6212-70)
R e . f N O .
A d d e r s s
C I Q
1 5 L
IC41
2 5 K
1 2 4 M
24 R702
W400
1 3 5 N
R419
2 1 4 L
25
R420
C410
C409 2 2 4 M
3 1 3 L
B E
3 2 3 M
C708 4 1 1 M
1 3
7 1 2 N
C711 7 2 3 L
8 1 4 K
W11
8 2 5 K
8 3 3 K
8 4 3 L
9 0 3 K
1 3 J
1
2 4 J
3 5 L
C131
4 5 L
B
5 5 K
E
C101
Q101 L13 6 5 J
R101 C102
7 5 K
R105 E
B
8 5 K
9 5 K
L14 B E
Q103
Q107 9 4 2 J
W12
R130
1 0 1 3 M
L15
1 0 2 3 N
1 0 3 3 M
1 0 4 3 N
1 0 7 3 M
1 0 8 4 N
24
C133
1 0 9 4 N
1 1 0 4 N
R116
Q110
C5
2 0 1 4 L
2 0 2 3 L
C116
2 0 3 3 L
C115 C114
2 0 4 4 L
5 4 R117
R125
2 0 5 4 L
8
6 0 1 3 J
1
R127 R126
6 0 2 3 J
R129 C122
6 0 3 3 J
C127
6 0 4 3 J
16 9
6 0 5 5 J
C126
6 0 6 5 J
C128
6 0 7 5 J
IC13
6 0 8 5 J
1 8
C125
6 0 9 4 J
6 1 0 4 K
7 0 1 1 K
7 0 2 2 K
7 0 3 2 K
7 0 4 2 N
7 0 5 2 N
7 0 6 1 K
7 0 7 2 K
7 0 8 3 K
7 0 9 3 K
8 0 2 4 K
8 0 3 3 K
9 0 1 3 K
9 0 2 3 J
9 0 3 3 J
9 0 4 3 K
9 0 5 3 K
14
O P

SWITCH UNIT

X25-8502-70 (J74-1019-22)
C1
R41
R27
PL6
D4
R33
R44
R16
R12
R17
R11
R35
R39
R38
R40
R43
PL8
R36
D3
Q R
PL2
SWITCH UNIT
(X25-8502-70)
R e . f N O .
A d d e r s s
C I Q
1 4 Q
1 3 Q
2 3 Q
3 3 Q
4 3 Q
R2
R3
R4
R9
PL1
R31
R20
R7
R19
R8
R18
R10
R34