Kenwood DPX-MP4070 Service Manual page 27

Cd cassette player
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AJ
QQ
3 7 63 1515 0
CD PLAYER UNIT (X32-5500-01)
1
(DA) 0V
(MP3)
R69
100K
2
3
0V
3.3V
C10
0.1
TE
L 13942296513
4
IC9
DAC3.3V
AVR
5
R67
2.2K
CP4
10K
Q1,4
LEVEL
Q1
SHIFT
(3.3V
5.0V)
6
www
24 23
22
21
CN1
.
7
AK
Q7
22K
0/3.3V
22K
LEVEL SHIFT
(3.3V
5.0V)
3.3/0V
(DA) 0V
(MP3)
0/3.3V
51
NC
52
NC
53
NC
54
NC
55
NC
56
NC
57
NC
58
NC
59
NC
IC1
60
NC
MECHANISM
61
CONTROL
NC
62
MICRO PROCESSOR
DVSS
63
NMI
64
DVCC
65
NC
66
NC
67
NC
68
NC
69
NC
70
NC
71
NC
72
NC
73
NC
74
3.3/0V
NC
75
NC
3.3V
3.3V
3.3V
BOOT
8.0V
3.3V
Q3,5
LEVEL SHIFT
(3.3V
Q4
Q5
CP3
CP2
100
100
C2
C1
2200P
2200P
CP1
100K
20
19
18
17
16
15 14
x
ao
y
i
to MAIN UNIT
AL
8
Q6
Q6
LEVEL SHIFT
47K
(3.3V
5.0V)
47K
X2
16.00MHz
0V
RESET
3.3V
3.8/0V
2.4/0V
25
3.3V
DVCC
24
AM0
23
DSPSCLK1
RXD1
3.3/0V
22
DSPRXD1
21
DSPTXD1
TXD1
20
20SCLK0
(DA) 3.3V
19
20RXD0
(MP3)
3.3/0V
18
20TXD0
17
3.3V
20LP
16
(DA) 3.3V
20CS
(MP3)
0/3.3V
15
NC
CP6
14
100K
NC
0V
13
RZM
12
0V
LZM
(DA) 0V
0V
11
(MP3)
0/3.3V
FOGUP
10
20INT
9
NC
8
(DA) 3.3V
NC
7
0V
(MP3)
0/3.3V
20STBY
6
20ACK
5
3.3V
20RST
4
NC
3
3.3V
AVCC
2
0V
AVSS
1
Q Q
VREFL
0V
3
6 7
1 3
3.3V
BU3.3V AVR
IC6
R1
10
5.0V
1
5
3.3V
4.5V
VIN
VOUT
0V
2
VSS
5.0V
3
4
4.5V
CE
NC
5.0V)
LOE/LIM SW
S3
Q3
R8
39K
13
12
11
10
9
u163
.
AM
DPX-MP4070/MP4070B
2 9
9 4
2 8
IOP1
11
CP5
1K
12
13
20
R18
C24
100
0.1
18
17
C14
R24
16
0.1
4.7
CP8
1K
13
12
R27
R25
100K
4.7
10
7
6
C15
5
0.1
1 5
0 5
8
2 9
9 4
BU2.5V AVR
IC7
1
5
2.5V
VIN
VOUT
0V
2
VSS
3
4
CE
NC
R9
100K
C7
1
C6
0.01
4
3
0V
VOUT
NB
2
0V
GND
5
1
3.3V
VIN
CNTL
IC5
SW3.3V
AVR
C5
0.1
m
8
7
6
5 4 3
2 1
co
X32-5500-01 (1/2)
AN
9 9
D3
TE
IOP2
R34 4.7K
C31
47P
R36
Q8
4.7
APC
C28 10
R35 100K
3.3V
1
LD
0.2V
2
PD
0V
3
PN
3.3V
4
AVDD1
5
C21
DGND1
6
1000P
D2
RFOK
RFOK
3.3V
0V
7
R29
INTQ
1K
3.3V
8
8
RST
R21
CP7
1K
10K
7
9
9
A0
10
10
STB
3.3/0V
11
11
SCK
12
12
SO
0/3.3V
13
13
SI
L2
3.3V
14
DVDD1
3.3V
15
DAVDD1
1.65V
16
ROUT
0V
17
DAGND1
C17
1.65V
18
REGC
0V
19
10
DAGND2
1.65V
20
LOUT
3.3V
21
DAVDD2
3.3V
22
XVDD
C66
R38
23
XTAL
0/3.
12P
220
X1
3.3V
C67
16.897849MHz
24
XTAL
0V
25
18P
XGND
1.5V
2 8
9 9
CP12
100K
C20
R68
0.1
100K
0V
17
LRCKIB
2.5V
18
VDD1
R28
10K
0V
19
7
STANBY
0V
20
VSS1
21
VSSL
22
VRAL
23
LO
24
VDAL
2.5V
25
VDAR
26
RO
27
VRAR
28
VSSR
29
0V
TESTP
30
TXO
31
PO0
32
PO1
27

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