Schematic Diagram - Kenwood KDC-W4044UA Service Manual

A
KDC-W4044UA/W4044UAY/W4044UG/W4044UGY
KDC-W413UA/W413UAY/W4544U/W4644UY
1
2
ANT.
W500
3
4
5
6
7
28
X34-623x-xx (1/4)
B
FRONT REAR/SUB
G
J5
C871 C872
680P 680P
R709 R710 R703 R704
22K 22K 22K 22K
Q703 Q704 Q701 Q702
Q701-704
PRE-OUT
MUTE SW
1
GND2
1
2
3
TUN
GND2
TP65
A1
5
26
TP128
24
RFGND
23
ANT IN TP551
C401
22
47u16
NC TP552
+
21 TP66
AM+B
20
OSCGND
19
VT TP113
18 TP68
COM+B
17 TP69
IFC
R501
5
TP70
470
16
SDA SDA
R503
TP71
470
15
SCL
SCL
14
D-GND
TP72
13
VDD5V
12
PLLGND
11 TP73
SMETER 66
10
AMIFOUT
9 TP74
QUALITY 65 8
8 TP75
RDS
7
D-GND2
6
RDSMUTE TP76
5
STDGND
C510
TP77
0.1
4
R R
TP78
C509
3
L L
TP79 0.1
2
IF+B
1
IFGND
TUNER UNIT
25
A
C514
330P
R507 2.2K
R509
5.1K R506 2.2K
RDS IC
IC7
R508
5V
2.2K
1 16
QUAL 0V RDCL
2 15
R510
RDDA T57
1K
14
OSCOUT
C513
X3
10u35
3
4.332MHz
VREF 2.5V
+
4 13
MPX OSCIN
5.0V 5 12 5.0V
OSEL VS
6 11
GND EXTRES
7 0V 10
NU TM
8 9
FILOUT FSEL
0V
C
TP91
1 5
W608
2 6 10
3 7 11
4 8 12
MUTE
DRIVER
for
PRE
OUT
Q705
2 3
2
1
28
23
C407
1
C405
1
C406
1
IC2
E-VOL
3.3V 3.3V
0V 0.6V
8
7
AM+B
AU8V
8
8
51
F-AUX
52
74
C516
18P
C515
18P
C311 C310
1000P 1000P
R349 R348
10K 10K
TP165
24 22
P1 J3
23 21
PANEL
D
I
LX BUS
ELECTRIC UNIT (X34-6xxx-xx)
J4
9
3 6
13
1
R604
D605
1K
D604
D601
3 6
1
4
3
1
6 6
5
1 2
C922
10
5
4
C403
1u50
+
4
7
7
8
5
SW5V
D313
10
C316 10P
C315 10P
20 18 16 14 12
19 17 15 13
X16-
A 2/2
J1
E
R970
0
BU3
R971
BU
0
Q903
3.3V
R911
for IC
22K
Q902
23
R
24
9
0V
26
DVS
3.3
27
DVC
R913
100
28
28 DSP
R972
1K
29
29 CD
R915
1K
30
30 CD
R916
31
31 CD
32
100
NC
33
9
NC
34
NC
35
NC
36
NC
37
NC
38
NC
39
NC
40
NC
41
NC
42
NC
43
NC
0V 44
DVS
3.3V 45
DVC
46
NC
47
NC
48
NC
49
NC
50
NC
9
BU3.3V-1
9
7
5
8
11
USB
11 BU
10 8 6 4
11 9 7 5