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16
KDC-MP225,MP4026/G
KDC-W4527/G/GY/Y,W427Y
A
B
C
D
E
1
2
3
4
5
6
7
X25-998x-xx/X34-3172-70 (1/3)
4.7K
22K
22K
47K
47K
4.7K
4.7K
47K
47K
47K
10K
4.7K
2.4V
2.4V
4.9V
0V
0V
4.9V
5V
0V
0V
5V
0V
4.9V
4.0V
4.0V
4.0V
4.0V
0-5.0V
0-5.0V
4.2-4.9V
0V
0V
4.9V
5V
0V
3.5V
0.5V
4V
0V
0-2.0V
4.0V
8.1V
0V
4.1V
4.1V
4.1V
4.1V
0V
4V
0V
4V
4V
0V
4.0V
5.1V
0V
4V
0V
4.0V
0V
8.1V
0V
0V
4V
4.0V
4.0V
IC7
IC10
IC2
(X25-998x-xx)
ELECTRIC UNIT
∗
D156
P1
∗
J5
D162
∗
D159
∗
D158
∗
D157
∗
D525
∗
D151
∗
Q151
CN5
D521
CN2
∗
D524
Q521
ANT.
J4
Q101
TUNER
CN1
∗
CN3
∗
CN4
D502
D503
D501
CN6
Q501
∗
D205
WH1
WH2
Q350
∗
D202
∗
D201
Q201
D203
Q351
Q352
PRE OUT
J3
D522 D523
RDS DEMODULATOR
ELECTRONIC
FM MPX DETECTOR
VOLUME &
SELECTOR
FM/AM
SW
∗
B
∗
E
∗
G
∗
F
MARIN REMO
WIRED REMO
∗
A1
to SWITCH UNIT (X16- ) (J1)
14
3
ESD-GND
L-RST
7
PON 5
TDF DET
13
14
15
L-CLK
10
L-D
ATA
S
REMO
11
12
L-D
ATA
L
L-CE
8
9
470
LED+B
RST
5
6
P
ANE 5V
ILL GND
LED+B
2
3
4
D GND
1
R181 10
470
470
FSEL
EXTRES
OSCIN
OSCOUT
TP654
C117
2.2u50
7
FILOUT
ARI
8
GND
OSEL
MPX
VREF
6
5
4
10
TM
9
12
13
VCC
11
C114
0.01
C115
10u16
∗
W39
TP653
TP652
L9
4.7uH
C113
10P
CD
DISC12
SW
75
R522
10K
C521
0.1
R523
R521
47K
D-OUT
2
1
R51 2.2K
R520
1K
R65 4.7K
AUDIO OUT
RDCL
C116
330P
RDDA
QUAL
2
1
15
16
T57
R112
2.2K
R111
4.7K
IF1 GND
AMIF OUT
IF1+B
S-METER
21
22
24
23
0.01
C108
TP122
4.7uH
L8
C112
10P
C111
1000P
2.2K
R106
C105
PLL+B
DIG GND
VDD 5V
RDS OUT
NOISE OUT
18
19
20
17
SDA
IFC OUT
SCL
13
16
15
14
OSC GND
W/N
OSC GND
V1
11
12
10
9
AM+B
OSC GND
NC
6
5
8
7
C106
0.01
4.7uH
L7
C104
0.01
4.7uH
L6
0.052uH
1
RF GND
FM ANT
AM ANT
OSC GND
3
4
2
L3
R105
R103
4.7K
4.7K
0.01
1K
∗
R374
2
1
2
1
TP371
R504
C502
R507 1K
0..22
C504
22u10
10
R506
4.7
C351
10u16
R351
270
C503
0..22
R505
10
A
UX L
1
R503
180K
180K
R502
GND
A
UX R
2
3
R357
100
9
20
R209
2
13
4
8
VSS
7
6
5
VEE
INH
Z0
ZCOM
9
C
B
A
X0
X1
10
11
12
C507
0.1
1K
R501
47K
R508
3
2
Z1
Y0
Y1
1
XCOM
YCOM
VDD
14
15
16
1
C506
0.01
C201
C209
2.2u50
0.47u50
C202
0.47u50
L10
4.7uH
C211
47u10
C210
0.01
CDGND
CASSR
CASSL
∗
R211
1K
CREF
VREF
3
2
1
6
CDR
5
4
RH-
CDL
8
7
LFOUT
26
27
28
A
COUTR
A
COUTL
21
22
23
24
25
LR
OUT
RFOUT
GND
VDD
RR
OUT
6
3
4
5
7
8
9
∗
W113
∗
W111
∗
W114
R210
4.7K
R203
4.7K
MPOUT
LEVEL
MPX
AM
AFS
11
10
MPIN
14
13
12
MUXL
15
16
17
18
19
SMUTE
SCL
SD
A
MUXR
QU
A
L
R207
470
R208
470
4.7K
R204
4.7K
R205
2.2K
30K
30K
R352
C352
10u16
270
R355
R356
R358
100
TP157
TP164
TP163
TP162
TP165
TP158
TP161
TP160
TP159
TP156
TP154
TP153
TP152
TP151
TP51
TP52
TP351
TP353
TP352
TP503
TP502
TP501
TP113
TP114
TP115
TP120
TP104
TP102
47
∗
R172
1K
∗
R183
1K
R171
100
R174
1K
R180
1K
R182
1K
R176
470
R175
47
2
1
3
VIDEO OUT
D GND
P
ARK SW
TP521
TP523
TP522
TP100
TP650
TP651
X3
4.332MHz
2.2K
R114
2.2K
R113
470
R104
470
R102
1K
R101
0.022
C203
C206 150P
C204 0.01
1K
∗
R206
14
13
63
0.1
C212
0.1
C213
0.47
C205
R201 10K
R202 4.7K
R152
R173
60
10
65
9
62
5
8
6
R154
470
R153
2.2K
R160
R161
R162 100K
TP525
TP526
TP524
TP527
TP528
TP529
TP530
TP532
TP531
TP534
TP533
TP535
TP537
TP536
TP538
TP539
TP540
TP541
2
1
3
1
2
3
5
4
6
FR
FL
RR
RL
FL
FR
R
G
5
6
5
6
38
1
19
20
21
2.2M
SDA
SCL
11
2
22
24
23
REMO CONT
REMO.CONT
PARK SW
A
UX IN
AU
X
VIDEO OUT
+
+
+
+
+
+
+
+
+