Kenwood KRC-335 Service Manual page 7

J K
PC BOARD (Foil Side View)
SWITCH UNIT
SWITCH UNIT
X16-1520-XX (J74-1301-02)
(X16-1520-XX)
R e . f N O .
A d d e r s s
C I Q
1 4 K
1 5 K
C6
R19 R14
R22
C8
C2
R9
PAN5V
R8
L-CE
R7
DATAS
R6
SW5V D18
R13 R15
R16
16
17
IC1
32
33
Refer to the schematic diagram for the values of resistors and capacitors.
L M
SYNTHESIZER UNIT
X14-6880-XX (J74-1320-02)
J2
16
1
14
13
2
1
W119
1
2
C52
IC7
C54
12
R1
C56
13
C1
C4
C3
C2 C57
1
C514
W512
64
R514
10
C516
W120
W121
31
R513
49
48
40
R532
IC5
1
10
1
R505
W123
W124
R150
B E
C534
C533
10 6
IC6
C536
1 5
N
W37
W77 W57
C227 C226
IC4
24 2
25 1
9
W502
8
W59
W60
W61
W62
W64
R2
Q251
R262
C64
R20
C63
D20
C253 C252
C50 R56
R258 R415
C51 Q10
R21 C404
14 8
B E
R22
D10 W66
R10
IC10
L201
R14 D11 C41
C53 1 7
R12
R15
R16 W85
B E R131
C55
W86
C201
28
B E
W78
R51
Q52 W74
W75
R501
1
Q51
W76
C501
W71
R522
C203
W84
W511
W32
C508
W79
R524
W80
C507
W81 R136
W505
30
R503
W82
C518
R181
W83
21 R133
R183
24
20 25
C506
R184
R137
R502
C505
11
R50
40
W108
W117 W94
41
R162 IC1
C504
W96
R161
W97
W98
R145
R142 R141
64 65
W55
R149
W507
W69
W43
Q501 W70
D101
9
O P
W49
J4
J5 J6
2 3 4 8 12 11 13
1 5 7 6 10 9
W56
D404
D411
W19
B E B E
R228
R227
W20 D408
D405
B E B E
D402
D403
D409
D401
B E
D407
W44
C251 W503
C254
W28
C403
C215
W504
W40
W41
C216
W42
C217
15
IC2
W12
W3
14
W13
R203
W31
R121
R201 C208
R122
R202
7
W24
W25
D551
W26
Q551
1
B E
R111
R112
CN5 R551
R555
Q552
R102
3 1
E B
1 R552
C102 L G R
R139
C104/R106
C101
80 R138
R108
W201
W506
J3
2 14
R186
1 15
Q R
1
SYNTHESIZER UNIT
(X14-6880-XX)
R e . f N O .
A d d e r s s
C I Q
1 5 O
2 4 O
4 2 O
5 5 M
2
6 6 M
J1 7 3 L
1 0 3 N
1 0 3 N
1 1 4 N
W501
4 1 3 P
5 0 4 N
5 1 4 N
5 2 4 N
1 9 0 5 Q
1 9 1 6 N
2 2 1 3 Q
3
2 2 2 3 Q
2 2 3 3 P
2 2 4 3 P
2 5 1 3 N
5 0 1 6 M
5 5 1 5 P
5 5 2 5 P
A1
1
4
C330
5
C331
24
E B
P1
6
7
10