Kenwood KDC-MP632U Service Manual page 31

Cd receiver
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AJ
QQ
3 7 63 1515 0
CP52
4.7K
SCL
SDA
C
CL
4.8V
DA
0V
3.3V
SP TXD
3.3V
SP RXD
0V
SP CLK
SP STB(BUSY)
DA : 0V
S SDATA
ROM : 3.3V
S BDATA
S CLK
C
C
C
PM
0V
ON D3.3
ON A5
3.3V
ON CS1
ON CS2
E
RV MUTE
C
C
ERO
.3V
E-EMPHASIS
C
0V
U3.3V
TE
L 13942296513
17
OSC1
0.7Vp-p
3.3V
0V
18
2.2Vp-p
OSC2
19
LPF
CD : 3.3V
USB :1.4V
20
3.3V
VDD2
21
TEST0
22
TEST1
23
TEST2
USB HOST CONTROLLER
24
TEST3
25
OC1
3.3V
26
OC2
27
OC3
3.3V
28
OC4
29
PO1
CD : 3.3V
USB :0V
30
PO2
31
PO3
3.3V
32
0V
PO4
www
R306
27
34
R307
35
27
CP22
15K
.
AK
6
1
BU3.3V
X2
11.500MHz
RESET
0V
0V
TP29
3.3V
3.3V
0V
IC1
MECHANISM u-COM
0V
CP53
47K
5
CS3.3V
7
3.3V
3.3V
0V
0V
64
VSS4
63
0V
GNDP
62
ADS
61
3.3V
INT
60
TMS3
59
TMS2
0V
58
IC25
TMS1
57
TMS0
56
RD
3.3V
55
0V
WR
54
CD : 0.7V
USB :3.3V
RESET
53
D7
52
3.3V
D6
0V
51
D5
50
D4
49
VSS3
0V
0V
3.3V
0V
3.3V
7
x
ao
y
CP23
15K
i
13
12
AL
8
100
NC
99
NC
98
C315
NC
97
3.3V
0.1
AVCC
96
0V
VREF
95
NC
0V
94
AVSS
93
NC
92
NC
91
NC
90
NC
89
NC
88
NC
87
NC
R48 4.7K
86
NC
R18 1K
85
2.7V
BREQ
62
R17 220
84
3.3V
SREQ
63
83
NC
R42 100
82
CS RST
R25 1K
81
DATA MUTE
50
R359 47K
80
0V
ROM EMPHASIS
51
6
R358 47K
3.3V
3.3V
79
0V
DA EMPHASIS
39
78
DSP A0
78
77
3.3V
DSP RST
77
76
NC
5
0V
Q Q
3
6 7
1 3
65-67,MUTE
5
7
7
R336
100
INT
OE
WE
RST
D7
D6
D5
D4
u163
.
13
12
AM
KDC-MP632U
KDC-W6534U/UY/X590/X7533U
2 9
9 4
2 8
6
COMPRESSION
AUDIO CODEC SDRAM
DECODER SOFTWARE &
UNIQUE ID STORAGE
FLASH ROM
IC17
48
1
A16
A17
A16
A15
2
47
A15
A14
BYTE
3
46
0V
A14
A13
VSS2
3.3V
4
45
A13
A12
0V
DQ15
A0
5
44
A12
A11
DQ7
D7
6
43
A11
A10
DQ14
7
42
A10
A9
DQ6
D6
8
41
A9
A8
DQ13
9
40
NC9
DQ5
D5
10
39
NC10
DQ12
3.3V
11
38
WE
W
0V
DQ4
D4
3.3V
3.3V
12
37
RP
VCC
C89
36
13
DQ11
NC13
35
14
DQ3
D3
NC14
34
15
DQ10
RB
33
16
DQ2
D2
A19
NC16
32
3.3V
17
DQ9
A18
A17
0V
31
18
DQ1
D1
A8
A7
30
19
DQ8
A7
A6
29
20
DQ0
D0
A6
A5
3.3V
21
28
A5
A4
0V
G
OE
22
27
0V
A4
A3
VSS1
23
26
A3
A2
3.3V
E
VCS
24
25
A2
A1
A0
A1
7
7
1 5
0 5
8
2 9
9 4
5
INT
13
7
0V
1
PLLGND
1.8V
2
PLL1V8
R311 10
3
A19
MD15
C33
CP24 10
2.2
4
A18
MD14
5
A17
MD13
6
A16
MD12
7
A15
MD11
CP25 10
8
A14
MD10
9
A13
MD9
10
A12
MD8
11
D7
MD7
C32
0.1
1.8V
12
CORE1V8 1
CP26 10
13
D6
MD6
D5
0V
14
COREGND1
15
C64
MD5
0.1
3.3V
16
IO3V3 1
17
XTLCLKO
18
XTLXLKI
0V
19
IOGND1
CP27 10
20
D4
MD4
21
D3
MD3
22
D2
MD2
23
D1
MD1
R312 10
24
D0
MD0
0V
25
MA11
7
m
13
co
7
X32-5830-00 (2/4)
AN
9 9
IC16
3.3V
1
VDD1
R300 68
2
D0
DQ0
3.3V
3
VDDQ1
CP300 68
4
D1
DQ1
5
D2
DQ2
D3
D4
0V
6
VSSQ1
7
DQ3
8
DQ4
3.3V
9
VDDQ2
CP301 68
10
D5
DQ5
11
D6
DQ6
0V
12
VSSQ2
R301
13
D7
DQ7
68
3.3V
14
VDD2
15
54
LDQM
16
1
WE
WE
17
CAS
CAS
18
RAS
RAS
0V
19
CS
20
A20
BA0
0V
21
A11
BA1
22
OE
A10
23
A0
A0
24
A1
A1
25
A2
A2
26
A3
A3
3.3V
27
VDD3
CS3.3V
7
2 8
9 9
13
0V
CD : 3.3V
USB :0V/3.3V
3
0
3.3V
0V
COMPRE
3.3V
0V
3.3Vp-p
3.3V
0V
3.3V
0V
0V
CS1.8V
CS3.3V
31

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