3.2V
3.2V
3.2V
0V
3.2V
11.2V
2.5V
2.5V
7.5V
7.5V
∗
IC602
SWITCH UNIT (X16-704x-xx)
KDC-4551UB/455UW/4651URY/U449/U5049 (2/2)
A
CN601
FL601
TAG
RDS
BT
ST
TI
IN
USB
CN603
AUX
J602
Q602
D686
D685
ENCODER
EN601
REMO.CON.
S602
S604
S607
EJECT
DISP
3
6
2
S605
S608
5
S616
S610
(ACCENT)
BAND
MATRIX
KEY
S606
S609
1
4
S603
SRC
S611
S612
S613
S614
S615
IPOD/BT
Q610
Q611
Q612
∗
D652
D608
D607
D606
D605
D603
D604
D602
SRC
BAND
EJECT
DISP
3
1
4
2
D601
D651
∗
D655
∗
D658
∗
D659
∗
D680
∗
D667
∗
D666
∗
D665
∗
D660
∗
D661
∗
D672
∗
D653
∗
D654
∗
D657
∗
D671
∗
D668
∗
D669
∗
D670
∗
D656
∗
D674
∗
D675
∗
D676
∗
D662
∗
D663
∗
D673
∗
D677
∗
D678
∗
D679
∗
D664
USB
AUX
USB
AUX
(ACCENT)
IPOD/BT
IPOD/BT (ACCENT)
SUB
SUB
SUB
6
5
GND LINE
SIGNAL LINE
B LINE
1/2
X34-
CN701
PAN
3.3V
Q603
USB
DIMMER
DIMMER
LED
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
F-
F-
NP
KI5
IC
KI4
1G
KI3
IC
2G
KI2
KI1
IC
VFDCE
3G
VFDCLK
SYSDA
IC
VFDINH
Q1
Q2
Q3
3G
Q4
GRID1
IC
GRID2
GRID3
IC
IC
KS1
KS2
2G
KS3
KS4
IC
KS5
IC
PANDET
IC
OSCI
VDD
1G
VH
PGND
LGND
NP
F+
F+
1
2
3
OUT
GND
VCC
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CNDET
PANDAT
FL+B
USB5V
D-
D+
USBGND
SYSDA
VFDCE
VFDCLK
VOL2
VOL1
VFDINH
REMOCON
11.5V
ACC3.3V
GND
AUX G
AUX R
AUX L
IC
R636
100
R635
100
R634
R637 100
R638 100
100
R642 100
R645 100
R644 100
R643 100
100K
R611
8
11
12
13
KI4
KI5
KI3
KI1
KI2
KS3
KS2
KS1
KS4
4
2
3
1
1
3
2
11
9
10
8
12
13
D-
D+
D-
D+
LF601
R683
10K
C682 27P
C681 27P
VOL
AUDIO
KS4
KS2
KS3
KI1
KS1
KI5
KI2
KI3
KI4
0
R618
0
R617
TL626
TL627
TL628
TL629
TL625
TL624
TL623
TL622
TL621
27
R681
27
R682
4.7
R612
R622
0
0
R625
∗
R652
390
1000P
C618
47K
R615
470P
C617
C614 1000P
C616 470P
1G
2G
1G 2G
2G
1G
C615 470P
0.1
C611
C612
0.1
100
R641
100
R640
100
R639
100
R613
0
R614
C671
4700P
4700P
C672
0.1
C621
10
9
R650
3.6K
R651
3.6K
0
0
∗
R653
∗
R654
∗
R648
∗
R659
∗
R669
∗
R656
∗
R670
∗
R657
∗
R671
∗
R658
∗
R673
∗
R674
∗
R655
10
C684
Q602
VCC
D-
D+
GND
(OPEN)
∗
R672
(X16-704x-xx)
D652,655,659,665-669,680
:
∗
D653,654,656-658,
: B30-1780-05
D670
:
∗
IC602
: KSM-2003TN5B
Q602,610-612
: RT1P141C-X
D601-608,685,686 : DZ2J051/M/-X
D651
: B30-1566-05
660-663,671,674,
QLF0202-001
FL601
:
D664
:
∗
675,677,678
D672,673,676,679
∗
:
RT1N241C-X
Q603
:
D670
MODEL NAME UNIT
No.
DESTI-
NATION
470
YES
YES
470
750
656,657,
R653,654,
YES
IC602
D653,654,656-658,
R648
560
KDC-U449
KDC-U5049
KDC-4551UB
KDC-455UW
KDC-4651URY
M1
C1
E1
E2
E3
2-70
3-01
2-73
2-71
2-72
660-663,671,
YES
680
560
R652
YES
R655
560
750
R658,
669
390
15K
R659 674
YES
YES
R673,
YES
YES
560
560
560
470
680
680
750
750
750
750
15K
750
15K
750
15K
KDC-HD548U
0-11
K
CATEGORY
ENTRY USB
ENTRY HD
YES
680
680
750
750
15K
YES
674,675,677,678
670,671
B30-3210-05
B30-1780-05
B30-1779-05
SMLE12WBCR1R2X
D652,655,659,
665-669,680
B30-3210-05
B30-3210-05
B30-3210-05
B30-1780-05
B30-1779-05
B30-3210-05
D664
SMLE12WBCR1R2X
SMLE12WBCR1R2X
B30-3210-05
B30-3210-05
B30-3210-05
SMLE12WBCR1R2X
B30-1779-05
B30-1779-05
SMLE12WBCR1R2X
B30-3210-05
B30-3210-05
D672,673,676,679
SMLE12WBCR1R2X