Kenwood KDC-C469 Service Manual page 14

Cd auto changer
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A
B
Q Q
3 7 6 3 1 5 1 5 0
1
72(X92-)
LPS
(X13-9840-00)
J1
14.4V
REQH
1
CN1
CN2
GND
2
BU+14V
BU14V
3
1
CH-CON
4
2
BU+14V
CH MUTE
5
3
CH-RST
A GND
6
2
CH RST
7
4
R-ch
R ch
8
5
A-GND
L-ch
6
REQC
9
DATAC
10
DATAH
11
7
CH-CON
L ch
12
8
GND
CH CLK
13
9
GND
CH-MUTE
10
10
11
DATAH
11
12
DATAC
12
13
CH-CLK
13
14
REQC
14
15
REQH
15
3
16
NC
16
J1
(OUTSIDE VIEW)
REQH
1
2
GND
3
BU+14
4
3
2
1
4
CH CON
5 CH MUTE
8
7
6
5
6
A GND
7
CH RST
12
11
10
9
8
R ch
13
9
REQC
T E
L
10
DATAC
1 3 9 4 2 2 9 6 5 1 3
(E30-0825-05)
11
DATAH
12
L ch
4
13
CH CLK
5
CP14
100K
6
w w w
7
C
D
CD PLAYER UNIT (X32-5470-0X)
AVREF0
24
LPS
26
GND
1
2
3
3
Q6,7
4
W3
A. MUTE
R61
C47
R53
5
100
10u16
680
6
Lch
+
D21
Q6
R100
48
7
7
4.7K
1K
8
9
AGND
D22
Q7
44
40
4.7K
41
49
R60
C46
42
100
10u16
R54
43
Rch
+
680
83
Q8
22K
A. MUTE
22K
DRIVE
D12
R77
D7
7.0V
Q20
IC4
18K
22K
IN
OUT
GND
22K
BU DET
DETECT
14.4V
Q21
D9
5.0V
D10
5.0V
Q22
Q20,21
BU 5V
AVR
Q15
Q17,18
(X92-)
SVR 8V
SRV 8V
Q17
SW
R79
Q16
AVR
3.3K
8/7V
Q19
22K
22K
7/8V
Q18
SW
22K
22K
S-RAM
IC11
21
5.0V
R142 100K
A10
66
R137
5.0V
22
CE1
20
0V
77
OE
CE1
100
0V
23
CP5
67
A11
100
19
0V
0V
24
I/O7
63
65
A9
18
0V
I/O6
62
0V
25
17
0V
64
A8
I/O5
61
R136
16
0V
I/O4
60
100
0V
26
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
x
13
0V
a o
1
I/O2
58
R135
NC
12
0V
100
5.0V
2
I/O1
57
68
A12
11
0V
I/O0
56
R140 100K
2.5V
.
i
3
10
CP7
55
A7
A0
48
100K
4
9
54
A6
A1
49
5
8
53
A5
A2
50
6
52
A4
0V
7
51
A3
E
F
R129
1K
NO SW
CHRST
3
Q13
22K
7
22K
CH CON
CHCON
SW
24
BUDET
R98
10K
1.3V
1.2V
26
26
LPS
C70
100P
0V
27
27
LOESW
5.0V
28
28
LIMSW
CP3 100K
0V
29
TOFF
0V
30
ADJSEL
0V
31
TBANK
5.0V
32
5V AVR
5.0V
SIM2
0V
33
AVSS
34
AMUTE
LPSCO
5.0V
35
35
AMUTE
5.0V
36
AVREF1
37
37
SDI
5V
0V
R111
R105
Q
Q
100K
1K
38
3
7
5V
38
SDO
0V
R106
39
5V
39
SCK
0V
1K
R107
100
W2
5.0V
40
40
DATAH
D4
R148
100
0V
41
41
DATAC
R149
100
5.0V
42
42
HCLK
D15
R150
5.0V
43
43
REQC
1K
R121
44
Q14
10K
4.7K
5.0V
44
CHMUTE
4.7K
CH MUTE
SW
45
45
TSI
0V
R110
100K
0V
46
46
TSO
5.0V
47
47
TSCK
5V
0V
5V
48
0V
48
A0
49
49
A1
50
50
A2
5V
51
0V
CP10
100
CP11
100
u 1 6 3
y
UP & PLAY : 9.0V
PLAY & LOADNG : 7.0V
G
H
2
4
8
9
RESET
IC9
RESET IC
Q11
R97
3
IN
2
5.0V
10K
22K
22K
OUT 1
0V
4
5.0V
RESET
SW
C68
0.1
X2
12.5MHz
CP9
1K
5V
5V
0V
ARMSW
0V
PON
5V
0V
SCL
SDA
SLNSA
SRVSEL
TEST/VPP
EEPWR
6
3
1
5
1
5
0
8
8/7V
IC7
TEST2
SYSTEM u-COM
TEST1
SEARCH
SIM1
ELV-
ELV+
SPLO-
SPLO+
REQH
5V
PUSEL
0V
VDD
5V
0V
ASTB
5V
WAIT
0V
WR
5V
0V
RD
5V
ELVADJ
0V
CP12
CP15
100
100K
m
c o
.
I
J
2
9
8
9
9
S1
MGSW
R84
17
1K
S2
EJSW
R83
18
1K
S3
ARMSW
R82
1K
EEP ROM
0V
IC8
R155
100
5.0V
5
4
SDA
GND
R156
5.0V
6
3
SCL
NC
100
0V
7
2
R153
TEST
NC
4.7K
5.0V
8
1
VCC
NC
R154
4.7K
5.0V
C67
0.1
100
PON
R80
Q10
1K
99
0V
R81
SCL
98
5.0V
10K
97
5.0V
P-ON
CP1
SDA
5V
100K
SRVSEL
SLNSA
96
0V
0V
95
W5
94
0V
93
0V
9
2
4
9
8
2
9
9
92
5.0V
CP17
100K
TEST1
TEST2
91
0V
0V
90
89
5.0V
SEARCH
88
0V
R157
87
5.0V
87
86
5.0V
1K
SIM1
86
85
0V
85
84
0V
R101
84
83
5.0V
1K
D3
PUSEL
82
0V
R127
100K
81
5.0V
80
79
0V
R134
100K
78
5.0V
78
77
5.0V
77
R133
76
5.0V
100K
ELVADJ
W6

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