Service Manuals, User Guides, Schematic Diagrams or docs for : Kenwood CD Receiver Car CD Receiver Car Kenwood KDC-2027SA & KDC-3027A & KDC-308A B53-0104-00-SD
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A B C D E
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY
KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
1 PRE OUT
FRONT D
DAUGHTER UNIT PRE OUT REAR
(X89-2590-10) CN90 J5
1 2 3
R229
R230
CHANGER CONNECTOR
100
100
R225 R226
ELECTRIC UNIT
(X34-31xx-xx) J4 Q221,222
30K 30K
C227 C226
680P 680P
AUDIO Q221 Q222
1 5 9 MUTE
D GND
C221 R221
SW
10u16 270
4.7K
4.7K
R231
R232
100
100
W160
2 6 10
AUDIO R227 R228
W101
R222
13 MUTE
270
30K 30K
DRIVER
+
3 7 11
BU
Q223 Q224
Q225
4 8 12
REQ H
CH CON
REQ C
CLK
10u16
DATA H
W102
C222
4.7K
4.7K
22K
22K
+
Lch
MUTE
A GND
C223 R223
10u16 R224
R409 4.7K DATA C
10u16 270
270
Rch
RST
W516
2
0V
1 2 3 4 5
C224
CN91
R405 4.7K
R406 4.7K
R407 4.7K
R408 4.7K
R404 100
R410 100
R411 100
R403 4.7
R402 10 IC4
1u50 R401 10
2
+
+
MUTE
Q221,222 : DTC143TUA
PGND2
Q225 : DTA124EUA WH1
W156
C401
100u10
5
C402
C403
1u50
25
63
19
16
18
17
+
1
8
4
D404
+
+
3
Q40
D402
D405
D410
D403
D408
D407
D401
D409
45
46
44
2
22K
1
22K
MUTE
DRIVER
D411
C W407
ANT.
C252 R252
W161 0.22u50 4.7K
J1
L501 R501 6.8K C504 L504 W408
3 3 C253
6.8uH L502 0.01 Q501 100uH 0.22u50 R253
D3
AM RF
33uH AMPLIFIRE 4.7K
D501
RR
FR
RL
FL
12
C502
C509
C510
100P
L4
C516 10P
68P
R502 R503
2.2K 2.2K
R506
4.7u16
22u10
C503
C505
C508
1M
+
+
0.1
R507 1K
C525 C524
GND 7
C506
6
0.1
W521
R521
100K
10.700MHz
R505
C594
L503
1mH
C585
48P
1K
C507 L513
CF51
C529 33u10 W601 4.7uH 0.01
W509
C522 2P +
C591 L512
4.7uH
L511
33u10
L505
10.700MHz
33P 4.7uH
C534
0.01
D503 +
R581
CF52
1K
10.700MHz
FM RF L506 C511
CF53
AMPLIFIRE 0.01
C581
4 8
C521 L510 L508 C580
C536
R523
100K
4.7uH W508 0.01
C526 C530 Q502
4.0V
4.2V
73 C582
8.0V
8.0V
8.0V
3.5V
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