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Kenwood KDC-MP638U Service Manual page 35

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P
Q123
SURGE
DET
R129
47K
2
R134
R133
R130
1K
1K
1K
51
20
P-ANT SW
A8V
3
6 0
D150
4
Q150
R151
220
1/2W
20
Q151
BU5V
15
PON5V
14
LINE MUTE
BU3.3V
ILL+B
SW
15V
P642
Q70
BU
Q71
R73
360
SW GND
R80
R83 33K
100K
R82
C83
1.0V
10K
1000P
5.0V
0V
0
1.2V
0V
18.4V
5V
5V
0V
13.4V
0V
L80
68uH
15
GND
90
4
3
E
OL
USB I/F
Q
to DC CORD
12
J1
9
10
11
12
13
7
4
8
6
5
12
20
BU
TP631
A8V REF POWER SUPPLY
Q10
IC10
13.7V
Q11
R12
OUT
IN
220
1.3V
GND
TP643
0V
Q12
TP653
TP657
P.ON5V
Q22
5.0V
IC20
BU3.3V
Q21
TP635
4
3
REG
NC
CE
2
3.3V
GND
TP652
5
1
Q23
VOUT
VDD
0V
TP654
TP658
TP640
ILL+B AVR
Q50
TP641
Q52
Q51
Q53
SERVO GND
BU3.3V
BU5V
15
3.3V
0V
5V
3.3V
5.0V
0V
0V
15
IC600
5.0V
3.3V
3.3V
5V
0V
0V
0V
15
BU5V
21
17
21
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
2
1
CN200
R
FUSE 10A
14
15
16
FUSE
1
3
2
TP636
D1
C3
0.015
31
32
C1
3900u16
33
+
34
35
TP632
36
37
R763
22K
38
C750
0V
39
Q10-12
A8V AVR
0.01
3.3V
40
R750
Q13
33K
Q14
BU5V AVR
Q20
D20
DGND
Q30
SERVO+B
Q31
8V AVR
R30
1.5K
TP717
R702
0
15
22
IC600,602
LEVEL SHIFT
5V
0V
5V
3.3V
3.3V
0V
0V
IC602
3.3V
0V
5V
3.3V
5V
0V
0V
0V
22
15
SERVO+B
11
17
to X32-CN2
S
KDC-MP638U/W7041U
/W7141UY/X692/X7009U
SPISOMI
SPISIMO
SPINSS
NC31
3.3V
CLOCKOUT
iPod
ROSC
0V
AUTHENTIFICATION
NC33
MODE2
COPROCESSOR
NC34
3.3V
NC35
IC752
0V
I2CSDA
NC36
3.3V
NC14
NC37
0V
0V
MODE1
NRESET
GND
3.3V
MODE0
VSS
CPREADY
VCC2
32.768kHz
0V
X750
3.3V
0V
32.768kHz
3.3V
22
23
24
23
22
C713
C965
0.01
D3V
21
5V
3.3V
0V
0V
22
21
24
22
23
22
0V
5V
3.3V
0V
0V
24
23
C714
0.01
23
21
22
23
23
CN300
X34-579x-xx (4/5)
T
IC1
IC2
IC6
IC8
IC3
IC3
20
IC3
IC3
19
IC4
18
IC4
17
R757 100K
IC5
IC5
R758 47K
16
IC5
IC5
R741 3.3K
15
IC6
IC6
14
IC7
13
R759 47K
IC7
R760 47K
12
R761 100
11
3.3V
0V
SCL
24
3.3V-1
3.3V
76
DVCC3A
1
R728
3.3V
R963
0V
15K
1K
77
77
USB OC
78
78
USB VBUS S
R730
15K
R729
79
D+
USB D+
R732
33
15K
R731
80
D-
USB D-
33
R733 4.7K
81
AM0
3.3V
R747 22K
82
CD LOE LIM
3.3V
82
0V
0V
Q705
83
DVSS
R734 100
84
84
DATA M
85
85
DATA S
R735 100
86
86
CLK
TP714 TP708
R736
87
87
CD SO
100
R738 22K
R737
88
88
CD SI
TP715
TP713
100
89
CD CLK
R739
3.3V
89
0V
100
90
SDA
IPOD SDA
91
SCL
IPOD SCL
R744 100
92
92
BSIF BCK
R745 100
93
93
BSIF DATA
R746 100
94
94
BSIF GATE
3.3V
95
DVCC3A
R767
0V
96
NC
97
22K
NC
TP716
TP702
98
NC
99
NC
100
DVSS
0V
TP700
22
D3V
35

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