Service Manuals, User Guides, Schematic Diagrams or docs for : Kenwood Cassette Receiver Car Cassette Receiver Car Kenwood KRC-669 B53-0108-00-PCB
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A B C D E
KRC-669/669G
1 PC BOARD (COMPONENT SIDE VIEW)
SYNTHESIZER UNIT X14-9180-24 (J74-1446-42)
J2 W30 W46
W47
W31 J1
W44
W48
W50
J4 IC4 9 16
2 13 11 12 8 4 3 2 2 24 8 1
9 10 6 7 5 1 W57 W53
J3 1 25
C351
W40 W54
D256
W64
W42 W55
C1
D258 W43 W56
C352
W35
C303 D254
C256
W21 D252
D271
D23
CN3 C255 R8
D22
D307 D304 C252 C251 C258
C254
W66
D3
1 3
R22
R23
C301
D302 C253
R31
R17
D303
R14
R9
D308
W68
W20 C
D270
C302
D269
D301
W3 W18
3
W41
W45
D311
W38
C23
C353
L3
W37
W19 W49
W28
D309
W29
D2
C354
D310 C211
A1 W39
W25
W34 C24
1 D31
D4
W23
W24
W22
L10
D203
C26
W65
W61
L6
W67
W69
W73
W72
C207
W58
W77
W76
W74
W11
W59
4
W6
W9
W27
W60
W13
W15
L7
C
W62
CLK
W63
C58
X3
DATA
W12
W10
L8
CN2
4.332MHz
D52
C115
W16
W5
W7
1 2
24
C117
5
W4
1
D51
2 P1
C54
CN6
W1
D161
R13
D155
D160
D162
D152
X2
D157
D151
D158
D154
D153
11
12 W70 GND
L11
S1 W71 5V
D401 32.768kHz X1
R52 CN1
C164
17 1
8.38MHz W75
B E 18 2
SBO2
Q51 SBT2 SBI2
6
7
Refer to the schematic diagram for the values of resistors and capacitors.
12
F G H I J
KRC-669/669G
1
DAUGHTER UNIT SWITCH UNIT
X89-2570-11 (J74-1450-02) X16-2500-21 (J74-1569-12)
S1
AM
FM
R2 C1
D3
R1 D1
16 R3 D2
1 R4 2
RST
L1 J1
W79
1
2
S2
D1
D1 W84
SRC
D23
W81
D24
D25
R11 15
R22
R23
16
R6
S1
R13
VCC
VO
C22
R7
IC3 3
C23 1
IC2
R5
D5
D6
AUD
2
MENU
R12
GND
D4
C29 R9
R10
ED1
C24
R8
C25
KI4
KS4
C26 12
KS5
KI2
13
1
C27 C28
1
D7
W77
W76
W74
4
D10
C70
C60
CN5
2
W78
W80
W82
C67
1
D9
KI1
2
W83
4
5
3
D8
VR2 R
4
C69
5
KS3
D13
VR1
L
5
R 3
KI0
D12
GND
L11
L 1
KS2
5V
6
CN9
43
W75
C409 X14-9180-24 X16-2500-21 6
DISP
IC Q Address IC Address
D11
3 3F 2 3J
AUTO
4 2C
51 6B
D32
D31
7
13
K L M N O
KRC-669/669G
1 PC BOARD (FOIL SIDE VIEW)
SYNTHESIZER UNIT X14-9180-24 (J74-1446-42)
D257
R261
R262
C260
TH1
C265
D255
2
C262
R352
R358
C263
C261
D251
C2
D253
C264
R307
R311
R308
R301
R305
R310
R303
R302
R309
R306
R304
C259
R259
R260
Q6
C266
EB
R252
C8
R251
C20 R18
B E Q5
C4
R312
3
W103
C21 W104
R2
R1
C7
R15
R4
R5 R255
C3
R3
EB
7 1
EB
R6
C210
C6
Q2 BE
Q1
R7
IC6
Q350
R10 28 15
EB
R32 Q3 8 14
R313
C31 C5 IC2
R315
C304
R314
Q4
EB 1 14
R12
C204
R203
C205
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