Kenwood KDC-3047M Service Manual page 20

F
KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046
/MP245/MP246AM/MP246G/MP246S/MP3046
1
6
7
2
7
R650
470 W120 W121 W119
5V
0V
1
NC
2
NC
3
PON CD
4
5V
NC
0V 5
NC
6
REMO
7
NC
8
BYTE
TP412
R203
9
CNVSS
10K
C202
27P 32.768kHz 10
XCIN
C203 R204
22P 10K
11
XCOUT
12
RESET
X1
13
XOUT
0V 14
VSS
15
XIN
16.0MHz
5.0V 16
VCC1
17
NC
18
18 CD CCE
19
19 CD PIO0
20
PANEL DET
21
21 CD DRIVE MUTE
11
22
22 CD EJECT
23
23 CD LOAD
24
24 CD REST SW
25
25 CD MUTE
R901 1K
26
12 26 CD SRAM STB
27
27 CD MRST
28
BEEP
R210 470
29
SCL TUN SCL
R209 470
30
SDA TUN SDA
11
11
12
6
12
3
SW5V
C311 C310
1000P 1000P
R349 R348
10K 10K
19 17 15 13
18 16 14 12
A
20
X34-659x-xx (2/4)
G
7
∗
B
6
100 10
8 9 7
0V or 5.0V
5V
0V
5V
0V
5V
0V
0V
5V
0V
IC1
SYSTEM
u-COM
5V
0V
5V
0V
5V
0V
0V
R335
47K Q301
TP151
11 9 7 5 3 1
10 8 6 4 2
X16-
2/2
J1
H
1
7
2
9
8
∗
R227
0V or
47K
1.6V or
2.5V or
∗
R225
3.4V or
5.0V
85
2
5V
0V
80
PWIC STBY
3.3V 79
R231
NC
0V
4.7K
5V 78
AUD SCL 78
R232
0V
77
4.7K
AUD SDA 77
76
NC
75
NC
74
RDS CLK
73
NC
72
NC
71
NC
70
NC
69
NC
68
NC
67
NC
5V
R218
66
0V MUTE
65
22K
NC
64 0V
VSS
63
NC
62 5.0V
VCC2
74
∗
W9
61
RDS QUAL 61
∗
W10
60
RDS DATA 60
59
NC
58
6
NC
57
NC
56
NC
55
NC
54
5V
NC
0V 53
NC
52
NC
51
NC
5V
0V
50
11
6
12
3
SW5V
12
PANEL
5V SW
22
CN2
21
CD CN
I
8
10
11
R934
10K
C910
2200P
C914 R918
0.1 220
C915
1
C916
0.01
Q900
3.3V SW
C909
for MECHA
1
0.015
R910
8
100K C911
10
68P
C908 C907
10 0.1
TP900
RF
11
1.5V
Q900
D951
1.5V
R996
4.7K
14
R917
1K
C919
0.1
13
8
10
13
20 18 16 14 12 10
19 17 15 13 11 9
to CD PLAYER UNIT (CN101)
J
7
9
11
Q901-903
LEVEL
SHIFT
R919 R922 R924
4.7K 4.7K 4.7K
TP907 AGND
0.4-0.9V
0-2.0V
1
VCOI
3.3V
2
RVDD3
1.5V 3
SLCO
C912
3300P
4
RFI
C913 5
RFRPI
0.1
6
RFEQO
C917
1.5V
7
DCOFC
C918 8
AGGI
0.1
9
RFO
0V 10
RVSS3
1.5V
11
FNI2
12
A FNI1
13
FPI2
14
B FPI1
15
E TPI
16
F TNI
17
VRO
0V 18
AVSS3
0.2V 19
MDI
20
LDO
2.2V
TP908
FE
TP906
RFRP
13
14
3
10
14
8 6 4 2
7 5 3