Service Manuals, User Guides, Schematic Diagrams or docs for : Kenwood CD Receiver Car CD Receiver Car Kenwood KDC-8021 & M9021 & X859 B51-7901-00(3-SD)
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A B C D E F G H I J
(X25-91XX-XX)
B Q17-22 R42
47K D18
Q32 ACC DETECTOR
YEL BLK
B.UP 16 1 GND Q15 4.5V PRE OUT DC/DC DIFFERENTAL STABILISER Q21
L4
0.01
C42
1/2W
0.01
3.3K
C41
R41
R43
ORG/WHT RED
18K
POWER-ANT SW
1 ILLUMI 15 2 ACC 4.5V 22uH
C31 0.01
R26 91K
100K
IC7 W5
R44
4.7u25
BLU/WHT PRE OUT Q25,28
+
C32
P. CON
D9
270K
14 3
7.5K
1000P
R22
R20
DC/DC Q16
Q24
5.6K
C40
R39
10.6V 1 8 R23 POWER-CONT SW
CONVERTER BOOST V+ R37 R38
BLU ANT CON C29 R19 Q19 47 D17 12K 12K R40 Q25
13 4 AVR 10.4V Q31
100u16
10.6V 22u16 47 22K
+
C24
0V 2
R17
VIOL GRY Q20
3.3u35
Q27
75
R28
22K
CAP+ +
+
D14
D11
C34
12 5 Q22
4.7u25
C30 0.022
C26 2.2
C25 2.2
Q18
+
R142
C33
R25
R21 56K
91K
REAR R VIOL/BLK GRY/BLK FRONT R B.U. DETECTOR Q26 22K
10K
2.7K
R18
R24
7
10K
11 6 0V 3 EXT. AMP
OSC
GND CONT SW
R27 1K
GRN/BLK WHT/BLK 6
0.068
1/2W
1/2W
1/2W
4 22K
0.01
Q29
0.1u50
C35
R46
C54
R32
10 7 LV
100K
1K
1K
+
R31
C36
R36
CAP- 5 -10.0V
R45 4.7K
47K
R16 1K
4.7u25
REAR L FRONT L D13 22K
R34
47K
0V VOUT
+
D10
GRN WHT
C23
D8
9 8 DIMMER
C28
C27
-10V
Q23
2.2
2.2
2
Q17 2.2K CONTROL SW
R29 4.7K
DC CORD Q26,27
D12
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