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KDC-MP4036U/MP435U/X491/W4537UA/W4537UAY
/W4537UG/W4537UGY/W4737U/W4737UY
1
ELECTRIC UNIT (X34-466x-xx)
ANT.
A500
26
24
RFGND
23
FMANT
22
AMANT
21
TP4
AM+B
20
OSCGND
19
TP5
VT
2
18
TP6
COM+B
17
TP7
IFC
TP8
16
SDA
TP9
15
SCL
14
DGND1
13
TP10
VDD5V
12
PLLGND
TP11
11
SMETER
TP12
10
AMIFOUT
TP13
9
TP14
QUALITY
8
TP15
MPX
7
DGND2
TP16
6
3
RDSMUTE
TP17
5
STDGND
4
TP18
R
3
TP19
L
2
TP20
IF+B
1
IFGND
25
A
IC500
1
RDSID
2
4
TP900
RDDA
2.5V
3
VREF
2.5V
4
MPXIN
5.0V
5
VDDA
0V
6
VSSA
2.8V
7
FLOUT
8
CIN
2.8V
P1
5
J200
TDF DET
20
ESD
19
FL+B
18
USB D-
17
USB GND
16
USB D+
15
USB5V
14
VFD SYS DATA
13
VFD CL 12
X16-
VFD CE
11
J1
VFD PAN DATA
10
2/2
6
VFD BLK
9
A
RST 8
REMO
7
RTRY CW
6
RTRY CCW
5
ILL D GND
4
ILL+B
3
PAN5V
2
USB ESD GND
1
7
22
X34-466x-xx (1/6)
B
J600
TP3
C505
0.01
C504
AM+B
Q500
0.01
TP2
Q501
R508
R503
C601
1K
22K
1000P
R602
TP27
22K
Q600
TP22
20
R506
R504
TP23
470
4.7K
28
R507
R505
TP24
470
4.7K
Q601
27
1
93
92
21
1
TU-R
3
TU-L
A8V
1
A8V
SW5V
TUN GND
R509 2.2K
23
R510 2.2K
22
R512 5.1K
RDS DECODER
5V
16
R511 2.2K
RDCL
17
0V
15
0V
W501
RST
R502 1K
C509
14
XOUT
27P
X500
4.332MHz
C510
13
XIN
12
27P
VDDD
5.0V
11
VSSD
L500
10
4.7uH
0V
MODE
9
TEST
TP21
D200
R201
240
DSI
uCOM5V
Q200
TP31
C802
0.01
TP33
R206 1K
18
8
TP119
FL+B
D220
TP106
TP118
D-
TP103
D219
TP105
TP117
D+
TP104
USB5V
R210 100
C808
TP40
29
470P
R211 100
TP42
31
C807
R212 100
15
TP45
44
470P
R213 100
TP46
30
C806
R214 100
TP47
470P
32
R215 1K
TP48
R209 1K
TP38
1
R207 100
TP34
51
R208 100
TP35
52
TP32
ILL+B
Q15
TP53
BU5V
PAN5V
8
R950
53
10
8
15
C
PRE OUT
FRONT
REAR
J602
TP36
C904
C905
F
0.01
0.01
R636
180
C605
C606
R637
C602
1000P
1000P
180
1000P
R603
R608
R609
22K
22K
22K
Q602
Q603
Q604
G
I
2
Q601,606
Q600,602-605,607
PRE-OUT MUTE DRIVER
PRE-OUT MUTE SW
BU5V
3
4
5
5
3
4
C303
100P
C304
100P
5
3.4V
1
CH-L
CDCHL
2
4
CH-G
CDCHCOM
3
CH-R
CDCHR
3.3V
4
AUX-L
AUXL
5
AUX-G
AUXCOM
6
AUX-R
AUXR
7
MUXAL
8
MUXAR
9
S-L
MUXBL
10
S-R
MUXBR
3.3V
11
M-L
MUXCL
12
M-R
MUXCR
4V
13
WININ
0V
C300
3.3u50
14
7
WINTC0
4.0V
+
C301
3.3u50
15
WINTC1
+
16
DCERR
3.3V
5V
0V
C302
1
17
7
D
AUX IN/SUB
CN600
CN601
1
2
3
4
5
6
1
2
TP44
TP39
TP37
TP41
C609
C610
1000P
1000P
TP43
H
R619
R621
C615
R614 22K R615 22K
12K
12K
0.01
C906
R623
0.01
1K
Q605
Q607
D608
D609
D610
Q606
2
4
88
22
1
4
11
6
12.0V
4.2V
FL
4.2V
FR
5.6V
48
PREF
47
0V
PGND
46
LDOUT1L
RL
45
LDOUT1R
RR
4.2V
44
LDOUT2L
NL
43
LDOUT2R
NR
IC300
42
0V
GND
E-VOL
11.4 or 8.0V
41
VCC
40
ACIN0L
39
TP66
ACIN0R
38
ACIN1L
37
ACIN1R
3.3V
36
ACIN2L
35
C313
ACIN2R
1
34
ACIN3L
S-L
C314
33
ACIN3R
S-R
3.3V
1
3.3V
17
A8V-1
8
15
E
CD-
J601
1
5
3
2
6
3
7
4
8
J
D611
5
2
5
0
S-FL
17
0
S-RL
C
6
11
5
TP135
6
IC400
2
POWER
IC
5V
17
0V
TP1
6
11
7
17
A8V-1
11
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