Kenwood KDC-MP442U Service Manual page 33

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F
1
4
8
2
10
0V
IC301
3
2
VOUT
VSS
4
1
VIN
NC
5.0V
SYSTEM
u-COM
RESET
CONTROL
R300
10
2.2M
R315
2.2K
1
REMO
R316 100
2
2
LX REQ M
3
3
B SYS DATA
4
27
4
B MECHA DATA
5
5
B MECHA CLK
6
BYTE
R302 10K
TP305
TP307
7
CNVSS
C302
32.768kHz
8
XCIN
22P
27
C303
R319
18P
10K
9
XCOUT
TP300
10
RESET
X300
R317
12.000MHz
1K
11
XOUT
12
0V
VSS
13
XIN
14
VCC1
R311 47K
15
NMI
R304
R312
100K
100
16
LX REQ S
C301 0.01
18
5V
0V
R305 100K
17
RDS CLK
18
17
PANEL DET
7
19
19
PON AM
R313 1K
20
20
TUN IFC OUT
3
R314 22K
21
21
RDS AFS M
22
22
RDS QUAL
TP306
23
23
RDS DATA
24
R307 100K
V SYNC
25
NC
5
27
PON5V
G
2
BU5V-1
R325
R330
100K
100K
C306
1
0V
5V
0V
5V
0V
5V
5V
0V
0V
0-5.0V
0V
32.768kHz
5V
0V
12.MHz
SYSTEM
u-COM
5.0V
5V
0V
5V
0V
5V
0V
5V
5V
0V
0V
5V
0V
FSC
FSD
7
6 9
27
H
1
4
8
10
12
13
12
CP306
4.7K
5V
0V
5V
0V
0V or
1.6V or
5.0V
5V
0V
IC302
5V
0V
5V
5V
0V
0V
5V
0V
TP311
TP312
R318
R333
47K
100K
C75
15
0.1
7
16
I
KDC-MP442U/MP6043U
/W5544U/W5644UY/X493
13
TP315
TP316
14
5V
0V
14
5V
5V
0V
75
0V
P CON
75
74
ANT CON
74
R360
73
22K
73
5V
BU DET
0V
72
ACC DET
72
R361
R349
71
ILLUMI DET
71
100K
70
2.2K
NC
69
NC
5V
68
NC
0V
67
CD MOTOR
67
0V or
66
2.5V or 5.0V
CD LOEJ
66
R352
65
NC
R353
64
11
TYPE 2
R354 47K
63
TYPE 1
R355
62
0V
5V
VSS
0V
R344 100
61
DRV MUTE
61
5V
60
5.0V
0V
VCC2
59
PON ILLUMI
5V
0V
CP307 100
58
5V
S SYS REQ/MDSP CE
58
0V
57
CD LOE LIM SW
57
5V
56
0V
SRAMSTBY
56
55
5V
MECHA RST
55
0V
R342 100
54
S MECHA REQ
54
5V
R348 470
53
0V
CD MUTE
53
R343 100
52
MECHA STOP/CD PON
52
5V
5V
0V
0V
5V
CD LOS
51
0V
5V
SW
0V
CP308
100
5V
51
0V
50
5V
0V
11
PON5V
37
17
15
16
6
9
27
X34-630x-xx (2/5)
J
1
4
8
10
12
13
TP317
L300
4.7uH
BU5V
PON5V
13
1
14
18
13
1
R356
47K
R357
2.2K
R358
47K
R359
47K
20
13
1
18
11
33

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