Kenwood KDC-4551UB/455UW Service Manual page 14

F
KDC-4551UB/455UW/4651URY
KDC-U449/U5049
CD 3.3V
530
4 4.7V
TRL VIN VDD5V
3.3V
3
ND VOUT
CD 1.5V
531
R530
10
4 2.2V
TRL VIN
1.5V
3
ND VOUT
CD 1.5V
532
4 2.2V
TRL VIN
1.5V
3
ND VOUT
CD8V
BU1.5V
D1.5V
2
PIO7
PIO6
PIO5
PIO4
0V
PIO3
PIO2
PIO1
PIO0
VSS-2
VDD1-2
540
XVDD3
1.3V
RVO
X0
1.2V
X1
XVSS3
DVSS3L
1.7V
LO
3.3V
DVDD3L
DVDD3R
0V
3.3V
RO
1.7V
6V 0V
1.5V
DVSS3R
0V
0V
C559
0.1
1
D1.5V
14
X34-691x-xx (2/4)
G
ANT.
J1
∗
IC1
FM/AM
TUNER
∗
R3
100
∗
C2
C1 C3
∗
L2
1000P 1000P
∗
L1
∗
C27
2
L3
C5
0.27uH
15P
1
D3.3V
5 1
2
2
60
L565
R564 100
59
19
L564
R563 100
58
20
5
L563
R562 100
57
21
56
2
R561 100
55
67
54 R560 100
73
R559 100
53
69
C565
52
1
0.1
51 1.5V
C564 0.1
R556
50 3.0V
R557 0
49
470
48
X540
16.9344MHz
47 0V
46
R586
45 0 R595
CD-L
2K
C562
R554
10
L561 L531
4.7
44
L562
R555
43
C561
5
4.7
10
42 R580 R596
CD-R
0 2K
41
0V
1
1
H
C24 R5
100u16 47
+
C22 R8
0.1 47
2.2V
5.6V
3.1V
L4
C23
C15
0.1
0.1
C25
∗ 10u25
C7
+
A9V-1
12
5
uCOM3.3V
2
X702
C718
3.3V 81
CVCC3
C724 0.47
18P
1.5V 82
X1
X701 0V
83
12MHz
CVSS
0V
C725 R782
84
X2
3.3V
18P 820
85
DVCC3
0V
86
DVSS
R775 15K
0V 87
87 D+
R776 15K
0V 88
88 D-
89
NMI
90
R759
NO USE
8
91
47K
R737
NO USE
100 0V 92
92 RGB CLK / VFD BLK
R757 3.3K
0V 93
93 ENC2
3.3V 94
AVCC3
C716
0.1
1.5V 95
TEL MUTE
∗
R767
∗
R765
1.0V 96
STAGE 2
∗
R766
∗
R764
0.5V 97
STAGE 1
3.2V
R768 47K
98
KEY2 (STBY)
0V
R732 99
99 CNDET
R763
4.7K
4.7K R769
100
PANDAT
47K
3.2V
8
8
uCOM3.3V
I
L7
R11
A9V-1
0 4.7uH
9
C723
0.047
SCL
EPROM
IC771
1 8 3.3V
A0 0V VDD
7
2
WPIN
R779
A1
3.2V
270
3 6
A2 SCL
4
R778
5
GND
SDA
0V
270
1.3V
5.1V
3.2V
∗
IC80
iPod CP
CIRCUIT
3.2V
12
5
6
C712
0.1
3.3V
C717
0.1
C715
0.1
VDD
J
A9V
9
77
6
SCL
SDA
76
9 6
6
SW3.3V
uCOM3.3V
9
2
0V
3.3V
∗
IC701
CPU
GND
8
uCOM3.3V
95
7