28
KDC-W4044UA/W4044UAY/W4044UG/W4044UGY
KDC-W413UA/W413UAY/W4544U/W4644UY
X34-623x-xx (1/4)
A
B
C
D
E
1
2
3
4
5
6
7
1
2
3
4
6
5
9
8
7
10
11
1
2
5
3
1
2
1
4
5
5
5
8
8
8
8
4
3
1
6
6
1
3
6
7
7
8
5
7
9
9
9
11
5V
0V
2.5V
0V
5.0V
5.0V
0V
0V
3.3V
3.3V
3.3V
0V
0.6V
3.3V
8.1V
4.0V
0V
3.3V
0V
3.3
3.3V
IC7
IC2
ELECTRIC UNIT (X34-6xxx-xx)
A
P1
J3
D306
D305
D304
D311
D312
A1
Q903
Q902
D401
Q703
Q704
Q701
Q702
J5
Q705
D605
D604
D606
D603
D602
D601
J4
RDS IC
E-VOL
W500
ANT.
FRONT
REAR/SUB
LX BUS
TUNER UNIT
F-AUX
I
G
A
PRE-OUT
MUTE SW
MUTE
for
DRIVER
PRE
OUT
3.3V
for IC
X16-
J1
2/2
PANEL
D313
5
R334 1K
18
SW5V
TP165
OSCOUT
OSCIN
EXTRES
8
FILOUT
C513
10u35
C514
330P
4
MPX
OSEL
GND
NU
5
6
7
QUAL
RDDA
VREF
1
2
3
9
FSEL
C512
0.01
R510
4.332MHz
13
12
11
10
VS
TM
16
15
14
RDCL
T57
X3
C515
18P
1K
C516
18P
ESD GND
24
GURAD
AUX Lch
AUX GND
AUX Rch
CN DET
21
22
23
20
19
C307
C308
0.1
C306
47u6.3
0.1
TP79
TP75
1
IFGND
25
STDGND
IF+B
4
3
2
R
L
VFD SYS DA
TA
VFD P
AN DA
TA
LED
B(LCD)
USB D-
R
TR
Y
CCW
R
TR
Y
CW
REMO
RESET
15
16
17
14
13
VFD CLK
VFD BLK(INT)
USB5V
USB D+
USB GND
10
12
11
8
7
9
VFD CE
4
6
5
R330 100
R332 100
R333 1K
R336 2.2K
R338 2.2K
R341 2.2K
R337 2.2K
R339 2.2K
R335
47K
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
R708 330
R707 330
21
TP73
TP69
TP72
TP74
TP68
13
9
RDS
QUALITY
D-GND2
RDSMUTE
8
6
7
VDD5V
SMETER
AMIFOUT
PLLGND
12
11
10
17
IFC
SDA
SCL
D-GND
16
15
14
AM+B
OSCGND
COM+B
VT
20
19
18
C504
0.1
TP66
26
NC
RFGND
ANT IN
23
22
24
R556
0
TP128
C502
0.1
TUN
C909
0.01
C921 220P
C908
0.01
QD3R
QD1L
QD1R
QD1G
QD2G
QD2L
QD2R
QD3L
QD3G
4
1
2
3
10
R352
7
5
6
8
9
25
WIN IN
DC ERR
SDA
28
27
26
OUTLR
SCL
VDD
MUTE
WIM TC
OUTLF
22
24
23
21
20
C407
C405
1
1
C406
1
10u35
C705
C403
FDL+
FDL-
FDR-
FDR+
CREF
10
R353
10
11
12
13
14
1u50
OUTRR
OUTRF
OUTL2
OUTR2
GND
19
18
17
16
15
R911
R970
0
R971
0
1K
22K
R910
4.7uH
C401
47u16
C706 10u35
C701 10u35
L401
C702 10u35
180
R711
R709
22K
R710
22K
R712 180
C871
680P
R703
22K
C872
680P
R704
22K
R706 180
NC
NC
NC
NC
NC
DVC
DVS
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
DSP
CD
CD
CD
DVC
DVS
GND2
C922
10
R612 4.7K
R607 1K
R609 100
R610 4.7K
R602
C602 0.1
10
R606 1K
R605 100
R603 4.7
R601
C601
C603 47u6.3
0.1
10
W608
GND
LX REQ M
BU
CH GND
LX CON
CH R
4
8
3
2
7
6
5
1
LX RST
CH L
12
13
10
11
9
23
24
TP163
TP158
TP157
TP162
TP160
TP173
TP171
TP159
TP156
TP170
TP155
TP172
TP154
TP161
FL+B(FL)
1000P
C311
1000P
C310
10K
R349
10K
R348
1K
R343
TP891
TP881
TP871
TP164
R347 1K
C316 10P
C315 10P
AUG
AUR
AUL
FL
RR
FR
R/SL
RL
R/SR
R403 470
R402 470
R401 10K
L
R
CDR
CDL
CHL
CHG
CHR
AUL
AUG
AUR
TP552
TP551
TP65
TP76
TP113
3
2
1
0.1
C510
0.1
C509
1K
R604
100
R608
100
R611
180
R705
TP341
TP344
TP342
TP338
TP340
TP339
330
R701
330
R702
70
72
69
71
2
1
100
75
CHL
CHR
CHG
R/SL
FR
FL
R/SR
SCL
SDA
L
R
TP78
TP77
470
R501
470
R503
TP70
TP71
TP96
TP99
TP95
TP97
TP98
LX REQ S
LX CLK
LX MUTE
LX DA
TA
S
LX DA
TA
M
TP90
TP94
TP92
TP93
TP100
TP101
TP102
10
R613
4.7
R615
10
R614
GND2
4.7K
R502
4.7K
R504
SCL
SDA
29
30
31
28
100
R913
1K
R972
1K
R915
100
R916
1
C404
66
65
67
68
AM+B
AU8V
74
52
51
2.2K
R508
28
2.2
R346
4.7
R344
4.7
R345
C309 0.01
22K
R914
R
23
BU
BU5V
DN
DP
34
48
49
6
46
31
33
32
R331 3.9K
R342 3.9K
R340 2.2M
FL+B
USB
SW5V
BU
18
R506 2.2K
R507 2.2K
5.1K
R509
Q701-704
BU
BU3.3V
-1
BU3
BU3.3V
-1
BU3.3V-1
SW5V
SW5V
SW5V
AU8V
AM+B
TP91
+
+
+
+
+
+
+
+
+