Kenwood KDC-MP425 Service Manual page 19
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QQ
3 7 63 1515 0
J2
D301
D303
R315 100K
12
7P
C304 0.01
13
D311
7P
D310
z
5V
or
0V
5V
TE
L 13942296513
0V
5V
0V
V
V
SSOR
5V
0V
0V or 5.0V
∗
∗
R411 22K
R412 22K
∗
∗
R416 22K
R417 22K
∗
∗
R420 22K
R421 22K
R415 22K
R419 22K
www
M6
D151-162
:
DA204K
D163,165,301,303,304,
)-M
307,308,356
:
MA4062-L
.
)-L
D164
:
MA4120-L
D166,352,359
:
DA204U
D203-205
:
DAP202U
D269,271,401
:
1SS133
D351
:
MA3062WA
G
LX-CN
1
5
9
1
REQ H
7
2
GND
8
3
B.U
9
REQ C
2
6
10
4
CHCON
10 DATA C
13
5
MUTE
11
DATA H
3
7
11
6
A GND
12
13
4
8
12
R314 100K
R313 100K
D308
R312 100K
D307
D309
D304
∗
0V or 5.0V
R423
22K
∗
R407
75
22K
TYPE3
74
0.6V-4.2V
PHONE
74
5V
73
AVREF
0V
72
0V
AVSS
5.0V
71
AVDD
70
AVCONT
5V
69
LX-CON
69
0V
68
LX-RST
68
67
O-CE
67
5V
66
O-CLK
66
0V
65
O-DATA
65
5V
64
AFS
64
0V
63
PRE MUTE L
63
5V
62
PRE MUTE R
62
0V
61
N.C
5V
60
P-STBY
60
0V
5V
59
P-MUTE
59
0V
58
N.C
5V
57
EXT AMP CON
57
0V
56
0V
BVSS
5.0V
55
BVDD
54
DIMMER
54
53
5V
ACC-DET
53
0V
52
B.U-DET
52
51
0V or5.0V
PS1-2
x
ao
y
SIGNAL LINE
i
GND LINE
B LINE
B LINE
H
8
RST
Rch
Lch
CLK
1
2
3
8
6
C214 0.01
C215 0.01
R201 10K
C203 0.022
R202 4.7K
C205 0.47
Q Q
3
6 7
1 3
L12
220uH
∗
D162
D156
D165
u163
D166
1
.
2
P1
CN1
I
KDC-MP425/MP6026
KDC-W6027/W6027Y
2 9
9 4
2 8
4.0V
1
AUXL
4.0V
2
AUXC
4.0V
3
AUXR
4.0V
4
CDCHR+
5
CDCHR-
ELECTRONIC
4.0V
6
CDCHL-
VOLUME
& FM MPX DETECTOR
4.0V
7
CDCHL+
8
NV+
9
NV-
4.0V
10
5V
AM
0V
4.0V
11
MPX
380mV
Q201
R203
4.7K
1 5
0 5
8
2 9
9 4
CD MECHA+B
13.4V
14.3V
0V
IC9
R41
Q41
47K
D161
D155
D160
Q151
47K
m
10K
co
3
4
5
6
7
8
9
X34-308x-xx (2/4)
J
9 9
R215
R216
33K
33K
∗
B
4.0V
4.0V
AC
AC
AC
AC
AC
IC2
AC
OU
OU
5V
0V
OU
3.6V
R210
R209
10K
10K
D203
2 8
9 9
2.4V
0V
R36
R35
2.2K
100K
54
DIMMER
Q31
R
10
47K
47K
D154
D159
D153
D158
Q154
R188
47K
Q153
10
11
12
13
14
19
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