Service Manuals, User Guides, Schematic Diagrams or docs for : Kenwood CD Auto Changer Car CD Auto Changer Car Kenwood KDC-C471FM & KDC-C521FM B53-0152-00-SD
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A B C D E
KDC-C471FM/C521FM
CD PLAYER UNIT (X32-5470-0x)
1
72 (X92-)
LPS AVREF0
24
C71
2.2
LPS
10K(B)
SUB-CIRCUIT UNIT 26
(X13-9840-00) GND
J1
REQH 1 14.4V
CN1 CN2
GND 2
BU14V 3 1 BU+14V 1
CH-CON 4 2 BU+14V 2
CH MUTE 5
2 A GND 6
3 CH-RST 3 3
R-ch Q6,7
CH RST 7 4 4
W3 A. MUTE
R ch 8
5 A-GND 5 R61 C47 R53
100 10u16 680 2
6 L-ch 6 Lch
REQC 9 +
D21
DATAC 10 Q6
R100 48
680P
DATAH 11 CH-CON 4.7K
C49
R57
22K
7 7 7
L ch 12 1K
8 GND 8
CH CLK 13
9 GND 9 AGND
D22
10 CH-MUTE 10 44 Q7
680P
DATAH 4.7K
C48
R58
22K
11 11 40
12 DATAC 12 41 49
CH-CLK R60 C46 2
13 13 42
100 10u16 R54
14 REQC 14 43 Rch
+ 680
15 REQH 15 83
3 16 NC 16
Q8 27
22K 28
C
A. MUTE 22K
DRIVE
J1
100K
D12 R77 D7
R76
Q20 7.0V 5V AVR 5.0V
18K IC4
(OUTSIDE VIEW) 1 REQH 22K
2 GND IN OUT
3 BU+14 22K GND AMUTE
C61
10u10
0.1
+
C52
C34
4 CH CON
4.7
4 3 2 1
5 CH MUTE 35
8 7 6 5 6 A GND
12 11 10 9 7 CH RST
8 R ch BU DET 37
13 DETECT R111
9 REQC 14.4V R10
10 DATAC 100K 1K
Q21 D9 5.0V 38
(E30-0825-05) 11 DATAH
12 L ch R10
470u16
D11
39
+
4 D10
C64
R124
22K
13 CH CLK 5.0V 1K
R107
C75(X92-)
0.047F5.5
Q22
100u6.3
100
C85 2.2
Q20,21
+
+
C59
40
C72
2.2
BU 5V
R108
100K
C60
D8
4.7
AVR
41
83
42
Q15
Q17,18 D15
(X92-)
SVR 8V SRV 8V
Q17 SW R79 Q16 AVR
3.3K
100u10
43
4.7K
+
C62
D5
4.7K
8/7V R121
44
Q19 10K Q14
100K
D14
C63
R78
22K
4.7
22K 4.7K
7/8V
5 Q18 22K SW
22K 4.7K
45
R110
100K
IC11 S-RAM 46
47
R142 100K 21 5.0V
A10 66
CP14 R137 5.0V 22 CE1
100K 77 OE 20 0V 48
100 CE1
49
R139
100K
0V 23 CP5 50
67 A11 100
51
0V 24 19 0V
65 A9 I/O7
18 0V
63 C
I/O6 62
0V 25 17 0V
64 A8 I/O5 61
R136 16 0V
100 I/O4 60
0V 26
6 74 CE2
R141 100K CP8
100K
R138
100 0V 27
78 WE
R143 100K 15 0V
I/O3 CP6
5.0V 28 14 0V 100
VCC VSS
C73 0.1 59
13 0V
R135 1 I/O2 58
NC 12 0V
100 5.0V 2 I/O1 57
68 A12 11 0V
I/O0 56
R140 100K 2.5V
3 10 CP7
55 A7 A0 48 100K
4 9
54 A6 A1 49
5 8 UP & PLAY : 9.0V
53 A5 A2 50 PLAY & LOADNG : 7.0V
6
52 A4
0V 7
51 A3
7
16 X32-5470-01 (1/4), X13-9840-00 (1/1)
F G H I J
KDC-C471FM/C521FM
S1
MGSW
R114
1K
R84
R129 17
1K
100K
RESET
R87
1K
NO SW IC9 RESET IC S2
CHRST
R97 Q11 EJSW
3 IN 2 5.0V R83
10K 22K 18
3 1K
100K
R86
100K
R96
C69
0.1
Q13 22K
0V 4 OUT 1 5.0V S3
22K ARMSW
7 R82
RESET
100K
R99 1K
100K
22K
R85
CH CON CHCON SW C68
SW
0.1
C203
0.1
20
16
2
5
4
8
7
X2
220K
R93
100K
12.5MHz
R95
24
CP9 EEP ROM
W7
1K
TH1
0V
R155 IC8
100 5.0V 5 4
BUDET SDA GND
18
17
R98 R156 5.0V 6 3
SCL NC
10K 100 0V 7 2
24 5.0V
23 5.0V
17 5.0V
15 5.0V
5.0V
5.0V
5.0V
R153 TEST NC
22 0V
21 0V
19 0V
18 0V
16 0V
14 0V
12 0V
0V
0V
1.3V 4.7K 5.0V 8 1
VCC NC
25
20
13
10
11
7
4
9
8
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