Kenwood KDC-CMP21V Schematics
A B C D E
E
S
19
DBUS4
35
10
83
K
K
V
V
V
1
2
J1
(OUTSIDE VIEW)
4
1
3
2
7
5
6
8
11
12
10
9
13
(E56-0825-05)
3
SUB CIRCUIT UNIT(B)
(X16-2800-00)
J1
13
11
10 12
9
15
4
7
5
6
8
1
VIDEO OUT/
PARKING BRAKE DET.
3
2
3 GND
J2
1 VOUT
2
PARKING SW
4
14
5
CAUTION : For continued safety, replace safety critical components only
with manufacturer’s recommended parts
(refer to parts list).
Indicates safety critical components.
6
To reduce the risk of electric shock,
leakage-current or resistance measurements shall be carried out (exposed parts
are acceptably insulated from the supply
circuit) before the appliance is returned
to the customer.
• DC voltages are as measured with a
high impedance voltmeter. Values may
vary slightly due to variations between
individual instruments or/and units.
7
1
3
4
5
6
7
8
9
10
11
12
13
REQH
GND2
BU14V
CH-CON
CH-MUTE
A-GND
CH-RST
Rch
REQC
DATAC
DATAH
Lch
CH-CLK
KDC-CMP2 1V
LPS
CD PLAYER UNIT (X32-5650-00)
S1
LO HI
+
1
2
R7
18K
15
SYS+5V
BU+5V
3
5
4
BU+5V
BU+14V
BU
DETECTOR
D6
0.1
C8
BUDET
R20
10K
C20 0.1
92
SYS+5V
BU+14V
6
R8 1K
22K
22K
Q12
BU+14V
D1
1.3V
TP803
8
7
D20
R22 100K
BU+14V
C2 470u16
6.2V
5
VIN
CNTL
1
6.2V
0.1
C14
3.3V
BU+14V
Q15
R3 6.8K
Q5
C5
D3
Q20
47K
47K
SYS+5V
P-ON
SW
Q6
Q3
10K
+++
C3 470u16
D+6.2V
5.0V
D+5V
4
IC16
VOUT
GND
NB
3
2
0V
1.2V
0.01
C13
IC5
1
SW
2
OUT
3
VCC
5.0V
R114 1K
VIDEO
BUFFER AMP
D8
4.7
22K
47K
D +5V
AVR
C12 1
IN1
GND
IN2
R216
BU +5V
AVR
PARKING
BRAKE
DET.
BU+14V
22K
R2
R102 100K
6
1.5V
5
0V
4
1.5V
D+5V
BU+14V
SYS+5V
26
100K
BU+5V
R21
1K
R5 4.7K
100K
R101 5.6
C61 1
0.1
C11
SYS+5V
5
22
4
D +6.2V
AVR
D+6.2V
Q16
Q8
D+6.2V
C6
100u10
C4
4.7
D2
46
6.0V
5.3V
D +2.6V
AVR
IC6
C63
0.1
GND
2
1
OUT
0V
C62
+
100u6.3
2.5V
C64 10
14
IN
C86
1
C83
96
D+2.6VD+2.6V
15
BU+14V
L2
D+2.6V
C65
0.1
36
R103
L1
2.6V
0V
0V
DRAM
0V
VREF
Q17
0.1
C72
VSSP
COMP
5
4
0V
2.6V
C69 0.1
C71 0.01
R6
100K
SRV +8V
AVR
VSS4
VCM
Q11
C9
C74 0.1
5.0V
RESET
5.0V
MIC2
678
0V
C73
C82
4.7
0.1
2.6V
VCC4
MIC1
1
C10
5.0V
C75 0.1
94
DBUS15
VDDA
+
100u10
9
0V
Q52
RESET
SW
C70
100K
R105
1000P
C68 1
2.6V
102
101
10099989796959493929190898887868584
VCCP
AUX21
AUX20
AUX22
0V
103
103
AUX23
104
AUX24
105
AUX25
3.3V
106
AUX26
107
107
AUX27
108
AUX10
109
AUX11
110
AUX12
0V
111
111
AUX13
0V
112
112
AUX14
113
AUX15
114
AUX16
2.6V
115
AUX17
116
VCC5
117
VSS5
118
0V
AUX00
119
AUX01
120
AUX02
121
AUX03
0V
122
AUX04
123
VSSV1
124
VSSV2
0V
125
VDAC
126
YDAC
0.1
C84
127
VCCV1
128
VCCV2
VSSA1
RSET
1
3
2
C85
0V
0V
D+5V
3.3K
Q7
0V
C67 0.01
R104 390
R4
D4
22K
22K
D5
220u6.3
+
Q1
22K
22K
Q2
22K
22K
90
88
92
94
444342414039383736
93
DBUS14
VSSA2
10
1
92
DBUS13
VSS3
VCC1
AUX05
2
11
DQ16
DQ1
93
91
DBUS12
AUX06
12
3
90
DBUS11
LCH
GND
RCH
DQ15
DQ2
91
AUX07
LCH
VSS2
DQ13
DQ14
5V 5
0V
DQ3
DQ4
VCC2
678
5
4
89
87
D+2.6V
88
89
87
DBUS9
DBUS8
DBUS10
AUX30
AUX31
AUX32
13
15
14
3.3V
SRV+8V
R181
100
Q91
Q90
RCH
R180
100
SRV+8V
86
84
DQ11
DQ12
DQ5
DQ6
83
85
5.0V
86
85
DBUS6
DBUS7
IC7
VCD
DECOD
LWR
LOE
161718
17
D+2.6V
82
DQ10
0
DQ7
9
81
84
83
DBUS5
5V
0V
CS0
0
4.7
4.7
10KR900
C7
100u10
NTSC/PAL
D7
BU+14V
CN1
CN1
BU+14V
BU+14V
CH-RST
R-CH
A-GND
L-CH
CH-CON
GND
GND
CH-MUTE
DATAH
DATAC
CH-CLK
REQC
REQH
GND
GND
VOUT
GND
PARK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
RCH
GND
LCH
CH-MUTE
44
40
41
42
43
83
75
R1
C60
220u6.3
21
GND
+
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
X32-5650-00 (1/5), X16-2800-00 (1/1)
11
F G H I J
C
2
87
15
39
6
10K
7
1
KDC-CMP21V
SYS+5V
BU+5V
0V
16.9344MHz
60
161
15
14
A4
STB
VCCSEL
5V
0V
A1B1Y1
3
2
59
SW2.5V
C103 4.7
2.5V
0V
VSSR
VRARROVDAR
TESTP
IC11
MP3 & WMA
DECODER
PI5
TSTIN
FI2
VSSP
53
565758
55
54
0V
0V
0V
0V
SW2.5V
MOTOR DRIVER
4.0V
3.2V
14
14131211109876
O1-
VCC1
3.5V
2.8V
I2+I3I3-
23
262728
25
24
R212 30K
R211 4.7K
SGND
R210 13K
C192 330P
D60
61
4
R134
I3+
11
82
DBUS3
NC34
NC11
81
DBUS2
NC33
LCAS
NC12
12
80
DBUS1
0V
UCAS
5V
0V
NC13WERAS
13
14
787776
79
MA8
DBUS0
15
68
OE
67
MA7
5V
0V
161718
MA6
69
A9
A8A7A6
3.5V
NC16
NC17A0A1A2A3
D+5V
75
74
MA5
MA4
5V
0V
80
86
82
84
383736353433323130292827262524
DQ9
DQ11
VSS2
DQ10
DQ12
5V
0V
VCC2
DQ5
DQ6
DQ7
DQ8
8
9
7
10
81
79
83
85
5.0V
2.6V
86
83
85
84
87
868584838281807978777675747372717069686766
DBUS8
DBUS6
DBUS5
DBUS7
DBUS4
5V
0V
IC7
VCD
DECODER
27.000MHz
27.000MHz
5V
0V
AUX32
LWR
LOE
CS0
CS1
CS3
LD0
LD1
LD2
LD3
LD4
LD5
LD6
21
20
161718
19
23
22
0V
21
20
23
SRV+8V
A +5V
AVR
C162 1
MUTING SW
45
46
22
R183
R182
C81 0.1
22K
22K
17
D+2.6V
V+8V
R181
100
4.7K
Q91
4.7K
Q90
R180
100
V+8V SRV+8V
262728
25
24
262728
25
24
2.6V
C77
C76 0.1
67
IC13
7.0V 5.0V
5
IN
CTL
1
2
0V
3.3V
R185
330
C161
2200P
R184
C160
2200P
330
LD7
R106 1M
27.000MHz
4P
4
GND
3
1.2V
C163
70
29
X3
D+5V
OUT
NIS
C165
10u10
C164
10u10
19
73
MA3
767778
71
4V
1V
VCC1
30
0.01
+
+
75
A5
5V
0V
20
72
72
MA2
5V
0V
XIM
C78
C166 1
21
31
10P
74
A4
73
71
MA1
5V
0V
XOUT
A+5V
23
22
32
70
MA0
5V
0V
0V
IC8
VSS1
VCC3
5.0V
VSS1
33
0V
69
DOE
3.5V
3.3V
R138
Q70
100K
C101
R130
100K
0.1
2.5V
58
R200
120K
1.3V
IC15
56
54
52
10K
0.1
C105
47K
R139
BU+3.3V
C100
0.1
3.3V
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
CP41
100K
R203 120K
R206
4.7K
100K
0V
AUDIO
SELECTOR
0V
323130292827262524232221201918
PO2
PO1
PO0
0V
0V
PI2
PI3
PI4
51
50
0V
0V
R207
13K
C191
1500P
181716
BI1-
AI1+
1.2V
TXO
VDD2
52
2.5V
CP42
100K
IC15
30K
R209
7.0V
1.6V
15
I1
AI1
PO3
VDDT2
PO4
PO5
PO6
REQ
VSS2
IRQ
VDDM
FI0
FI1
VSSM
PI0
PI1
VSS3
49
0V
1.6V
19
1.6V
BI1+I2I2-
21
20
22
R201
R208 13K
C190 330P
13K
R202
24K
0V
0V
0V
5.0V
67
75
SW2.5V
CP40 100K
33
28
27
26
25
24
23
22
D+5V D+5V
21
17
0V
20
34
84
85
C80 4.7
C79
0.1
68
67
2.6V
0V
65
VCC3
DRAS0
SELPLL0
SELPLL1
TDMCLK
5V
0V
5V
0V
5V
0V
5V
0V
LA2
363738
35
VPP
DRAS1
CAS
MCLK
TBCK
TDMDR
TDMFS
LA19
LA18
LA17
LA16
LA15
LA14
LA13
LA12
LA11
LA10
LA9
LA8
VCC2
VSS2
LA7
LA6
LA3
LA4
363738
VSS3
LA5
5.0V
64
63
62
61
60
59
58
57
56
55
54
53
0V
52
0V
51
50
49
48
47
46
45
44
43
2.6V
42
41
0V
40
39
0V
DWE
5V
0V
5V
0V
3.3V
0V
LA0
LA1
35
34
33
34
0V
5.0V
876
CKS
TST
9
L ch
4.7K
R1074.7K
16.9344MHz
5V
0V
R110
R108
100
61
R111 100
60
R112 100
59
R113 100
58
R109 4.K
FLASH
ROM
IC9
A15
A14
A13
A12
A11
A10
A9
A8
NC9
NC10
W
5.0V
RP
NC13
NC14
RB
NC16
A17
A7
A6
A5
A4
A3
A2
A1
4
3
61
54321
PD
BICK
SDATA
VREF
VDD
13
14
C167
5.0V
10
5V
48
A16
0V
47
BYTE
5V
46
0V
VSS2
45
DQ15
44
DQ7
43
DQ14
42
DQ6
41
5V
DQ13
0V
40
DQ5
39
DQ12
38
DQ4
37
VCC
36
DQ11
35
DQ3
34
DQ10
33
DQ2
32
DQ9
31
DQ1
30
DQ8
5V
29
0V
DQ0
28
G
0V
27
VSS1
26
5V
E
0V
25
A0
2
DIF1
LRCK
IC14
MULTI
3.3V
0V
bit
DAC
VSS
DIF0
16
15
0V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
0V
17
18
19
0V
20
21
38
22
37
23
36
24
35
7
6
3.3V
0V
3.3V
DEM
MCLK
R ch
ROUT
LOUT
VCOM
11
10
2.6V
12
10
0.1
C169
C168
IC10
5
100
2
C106 0.1
1.5V
R136
13
3.3V
O1+
RIN
A2
58
C107 0.1
C104
12
O2-
4.5V
0V
13
5V
0V
5V
0V
BU+3.3V
VDALLOVRAL
16.9344MHz
16.9344MHz
PDO
VCOI
59
2.5V
330
330
R135
0.33
11
0V
3.3V
O2+
3.5V
3.3V
ROUT
29
1.6V
D61
12
B4
VSSL
0V
2V
0.3V
VDDP
CKIO
60
0V
R137
SRV+8V
967
O3-
VOUT
31
30
7.0V
Q100
Y4
3.3V
0V
B2
6
R133
VSS1
STANBY
3V
0V
VDDXXIXO
61
62
2.5V
C108 0.1
100K
C102 0.1
8
O4-
O3+
I1SW
32
R213 20K
22K
7
100
VDD1
3.3V
0V
VIN
33
1.6V
C193
3300P
22K
Y2
3
2.5V
63
R140
O4+
16.9344MHz
21.000MHz
0V
17
BCKIB
LRCKIB
LRCKIA
BCKIA
LRCKO
BCKO
VDDT1
MIACK
MIDIO
MIMD
RESET
VSSX
64
0V
1M
3.3V
2.9V
3.6V
3.3V
3.3V
3.1V
I4+
I4-
I4
35
34
R214
10K
11109
A3B3Y3
4V
0V
8
3.3V
0V
R141
100K
16
15
SDI1
14
13
12
SDI0
11
10
9
SDO
8
7
6
MICK
5
4
MILP
3
MICS
2
1
0V
0V
54321
LO+
1.7V
1.5V
0V
GND
0V
0V
0V
LO-
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
7.0V
36
2.2V
R215
R132 100
CP43
100K
R142
100
3.3V
86
R205 1K
REV
VCC2
MT1
MT2
37
2.8V
4.7K
6
R143
C109
R204 1K
5.0V
38
0V
R131 100
4
CP44
100K
6
20
18
17
16
100
1000P
87
FWD
SGND
C194
4.7
R144
5
X32-5650-00 (2/5)
12
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