Kenwood DPX-MP7050, Service Manual

Page: 26 / 44

DPX-MP7050
26
AO AP AQ AR AS
X32-5420-00 (2/3)
LEVEL
SHIFT
(3.3V-5V)
WMA DECODER
(AUTO POWER
CONTROL)
Q4
APC
D1
DRAM
BUFFER)
(DATA
WMA CLOCK
BUFFER
SEPARATION
CIRCUIT
SHUMIT
WMA CHIP
IC8
IC13
IC12
IC10
IC9
3.3V
0V 0V 0V
0V
3.3V 3.3V 3.3V
0V
3.3V
0V
3.3V
0V
2.5V
0V
3.3V
0V
3.3V
3.3V
3.3V
0V
0V
0V
3.3V
0V
2.5V
0V
3.3V
0V
3.3V
2.5V 3.3V
0V 0V 0V
3.3V
0V 0V 0V
0V
3.3V
0V
0V
3.3V
3.3V
2.5V
3.3V
0V
2.5V
0V
0V
3.3V
0V
3.3V
0V
3.3V
0V
0V
2.5V
0V 0V 0V 0V 3.3V 0V 0V 0V 2.5V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V
1.5V
3.3V
0V
3.3V
0V
3.3V
0V
3.3V
0V
0V
0V
0V
0V
3.3V
51
47
49
53
Y3
A4
+3.3V
0.1
+3.3V
C33
+3.3V +2.5V
89
90
65 64 66
91
A2 Y2 A3 A1 Y1
3
1
2 4 6 5
C31
0.1
BU5V
11 10 14 13 12
VCC
A6 Y6
9
A5 Y5
20
27 26
42
L2
35
A4
94
21
22
GND
7
+3.3V
GND1
70 72 95 96 97 98
23 24 25 28 26 27
83 84
81
69 82
32 29 30
31
33 34
UCAS A7 A6 A5 OE A8 NC30 I/O8 LCAS I/O10 I/O11 I/O9
+3.3V
85 86 87 88
38 36 37 40 39
I/O12 I/O13 GND2 GND3 I/O14 I/O15
C83
0.1
6
93
A3
Y4
8
VCC3
20 19
D3.3V
28
C84
0.1
+
10u10
C85
WE
A0
A1
A2
RAS
NC15
16 18 17 13 15 14
NC12
NC11
I/O7 I/O5 I/O4 I/O6
9 10 12 11 7 8
71
90 91 92 68 80
+3.3V
78 77 79
2
99
7 6
GND
98
4 5 3
8 10 11 12 9
C86
0.1
97
1
13 14
VDD
VCC2
I/O3 I/O2
VCC1
I/O1
I/O0
3 4 5 1 2
76 75 74 73
4
3
C58
0.1
2
1
NC
A
5
VCC
GND
Y
R65
100
GND32
P12 P13
P14
P15 P16
P17
VDD23
P00
P01
P03 P02
P04
P05
GND22
P06
P07
VDD33
HAD0
HAD1
HAD2 HAD3 HAD4 HAD5
GND33
77
READ HDSTB
100K
W5V
R78
+2.5V +3.3V
65
C37
4.7
+2.5V
+3.3V
C40
0.1
68
74
75
+2.5V
70
76
DBBRRDY0
VDD25
GND35
73
72
71
70
69
69
DBBWRDY1
DBBWRDY0
EXTDIR
DIR
GND23
U5V
59 0.1
SW5V
0.1
C46
+3.3V VDD35
68
67
66
65
42
65
10K
ASTB
R45
HR/WB
HCSB
HAST
64
63
62
61
60
62
64
63
+2.5V
AD12
HAD13
HAD15
HAD14
VDD24
HAD12
+3.3V +2.5V
C39
C38
0.1
AD7 HAD7
58
57
56
55
54
AD11
AD10
AD9
AD8
HAD11
HAD10
GND34
HAD9
HAD8
51
53
52
+3.3V
AD6 HAD6
VDD34
7
99
BCKI0
1000P
+2.5V
+3.3v
C51
0.1
R48
1K
+3.3V
100K
CP10
C64
0.1
+2.5V
98 97
DI3 PLLCONT DBBRRD
Y1
VDD36
C44
78
81
80 79
GND36 GND37 RESETB
84 83 82 87 86 85
GND39 GND38 GND24 IC
94 90 89 88 93 92
91
DI2 BCKI3 LRCKI3 DI1 BCKI2 LRCKI2
96 95 99 98 97
BCKI1 LRCKI1 LRCKI0 DI0 VDD26
+2.5V
+3.3V
DO5
100
GND25
VDD31
1
+3.3V
GND31
DO4
DO3
DO2
DO1
2
3
4
5
6
100
C66
0.1
+2.5V
100
17
0.1
CKI
DO0
VDD21
DVDD
AVDD
10
8
9
R68
11
12
+2.5V
VDD31
AGND
DGND
LRCKO
BCKO
+3.3V
A2.5V
13
14
C73
0.1
15
16
54
46
C69
0.1
48
50
+2.5V
MCK48
MCKO
VDD32
GND21
MCK44
CP14
18
19
+3.3V
20
21
VDD22
P10
P11
22
23
24
25
C71
0.1
C72
AD1
C54
+2.5V
+2.5V +3.3V
C43
4.7
AD2 AD3 AD4 AD5
48 49 50 45 46 47
+3.3V
A3.3V
CP12
100K
37
+3.3V AD0
41 43 44 42
CP8
100K
40 38 39
CP9
100K
0.1
R47
100K
R64 100
100K
CP11
34 35 36 33 30 31 32 29
0.1
C60
D2.5V
27 28 26
A3.3V
31
D3.3V
+3.3V
C42
4.7
53
20
37
A3.3V
0.1
C35
34
36
35
+
C41
33
32
0.1
D
L
D
L
L
R
A AD3
IF
C34
C36
22u6.3
30
29
0.1
28
27
100K
R74
A3.3V
25
26
23
24
D
R
R
R
D
X
X
D
18
10K
R51
R49 100K
20
22
21
READ
WRITE
19
AU3.3V
AD0
ASTB
16
17
AD1
AD2
13
15
14
IN
W
R
W
A
A
C
A
A
2
7
A3.3V
10
AD5
AD4
12
11
AD8
AD6
AD7
9
8
AD12
AD10
AD11
AD9
5
6
4
3
A
A
A
A
A
A
A
A
R
A
R52
1
C45
1K
R50
1000P
4.7
IOP2
R46
+
C47
10u10
R
IOP1
A3.3V
R57
4.7K
+2.5V
+2.5V +2.5V +2.5V
L4
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