Kenwood KTC-SR901 Service Manual page 7

K L
Q Q
3 7 6 3 1 5 1 5 0
3.3V
0V 1
NC
2
123 MRCD2
3 3.3V
122 MRCD3 0V
3.3V 4
D3.3V VDD
5
VSS
6
TN CSINTN
R21
7
DO CSSDO
C86
10
8
DI CSSDI
0.1 3.3V
9
SN CSSSN
0V
10
CK CSSCK
11
121 SCFRN
12
120 SCWRN
13
117 SCD0
3.3V 14
D3.3V VDD
C87 15
VSS
0.1 16
116 SCD1
17
115 SCD2
18
114 SCD3 3.3V
19 0V
149 SVCIBF
20
148 SVCSCK
21
147 SVCSSN
22
145 SVCMDO
3.3V 23
D3.3V VDD 3.3V
C88 0V
24
VSS
0.1 25
CLKO
TP
15M
R20
270
T E
L 1 3 9 4 2 2 9 6 5 1 3
D3.3V
3.3V
76
65 OTIM0
77
64 OTIM1
78
63 OTIM2 3.3V
79
0V
62 OTIM3
80
61 OTIM4
81
60 OTIM5
82
59 OTIM6
83
58 OTIM7
84
57 OTIMWRN
3.3V 85
D3.3V VDD
86
VSS
87
56 OSAP0
88
55 OSAP1
89
FFT,
54 OSAP2
90 DE-MODULATOR
53 OSAP3
91
52 OSAP4
92
49 OSAP5
3.3V
93
48 OSAP6
0V
94
47 OSAP7
95
46 OSAP8
96
45 OSAP9
97
44 OSAP10
98
43 OSAP11
99
3.3V
42 OSAWRN
100
41 OISAN
w w w
.
M N
+8V
+3.3V
+5V
D5V
3.3V 3.3V 3.3V
0V
75
CDA8 75
C96
74 0.1
3.3V VSS
3.3V
73
0V
VDD D3.3V
72
CDA7 72
3.3V
71
CDA6 71
0V
70
CDA5 70
69
C97
CDA4 69
68 0.1
VSS
3.3V
67
VDD D2.5V
66
CDA3 66
3.3V 65
D1
0V CDA2 65
64
CDA1 64
IC7
63
C98
CDA0 63
0.1
62
DE-INTERLEAVER, VSS
3.3V
DECODER 61
VDD D3.3V
60 0V
CDD7 60 D3.3V
59 0V
C119
CDD6 59
58 0V 0.1
CDD5 58
57 0V
C99 C116
CDD4 57
56 0.1 0.1
VSS
3.3V
55
VDD D3.3V C112
54
0.1
CDD3 54
3.3V
53
CDD2 53
0V
52
CDD1 52
51
60M CDD0 51
R25
100
3.3V
C111
0.1
D3.3V
D2.5V
125
D3.3V
3.3V
3.3V 3.3V
50
NC
49
RESERVED
48
RESERVED
47
NC
46
NC
45
NC
44
TDI
43
TDO
42 3.3V
TMS
41
TCK D3.3V
40 0V
C66
TRST
39 0.1
IC4
VSS
38 3.3V
VDD D3.3V
37 3.3V
CSINTN TN
R11
36
CSSDO DO
3.3V
10
35
0V CSSDI DI
34
CSSSN SN
33
C67
CSSCK CK
32 0.1
VSS
31 3.3V
VDD D3.3V
30
NC
29
RESERVED
28
RESERVED
27
NC
60M
26
NC
x a o
y
D3.3V
i
O P
8
D2.5V
D3.3V
TN
3.3V
89
VSS
90
90 A13
3.3V
0V 91
0V
91 D11
92
92 A12
0V 93
93 D10
94
94 A11
0V 95
95 D9
96
96 A10
0V 97
97 D8
2.5V
98
FL
99
99 A9
2.5V
100
D2.5V VDD25
0V 101
101 D7
3.3V 102
VDD33
103
103 A8
3.3V
104
0V
VSS
0V 105
105 D6
106
106 A7
0V 107
107 D5
108
108 A6
0V 109
109 D4
110
110 A5 IC9
0V 111
111 D3
AUDIO-DECODER,
112
112 A4 SYSTEM CONTROLLER
0V 113
113 D2
114
114 A3
0V 115
115 D1
116
116 A2
0V 117
117 D0
118
VSS
119
119 A1
3.3V 120
VDD33
121 Q Q
BE1N
3 7 6 3
2.5V 122
VDD25
123
WAITN
3.3V 124
124 OEN
3.3V
125
CS3N
126
CS2N
127
CS1N
3.3V 128
128 WEN
129
CSRAMEN
3.3V 130
130 CSROMEN
131
BE0N
132
VSS
3.3V 3.3V
0V 0V
C107
0.1
C101
1000P
C108
1
R38
3.3K
IC10
16M
FLASH
3.3V
MEMORY 0V
u 1 6 3
.
Q R
2 4
9 9
+8V
+3.3V
+5V
D5V
D2.5V
D3.3V
2.5V
C123
44 0.1
VSS
43
AB15 43
42
DB15 42
41
AB14 41
40
3.3V DB14 40
0V 39
AB13 39
38
DB13 38
37
AB12 37
36
DB12 36
35
AB11 35
34 2.5V
VDD25 D2.5V
33
DB11 33
32 3.3V
VDD33 D3.3V
3.3V
31
C117
AB10 31
0V
0.1
30
VSS
29
DB10 29
28
AB9 28
27
DB9 27
26
AB8 26
25
DB8 25
24
AB7 24
23
3.3V DB7 23
0V 22
AB6 22
21
DB6 21
20
AB5 20
19
DB5 19
18
AB4 18
17
DB4 17
16
AB3 16
15
C113
DB3 15
14 0.1
VSS
13
AB2 13
3.3V
12
VDD33 D3.3V
1 5 1 5 0 3.3V 8 9 2
11
DB2 11
0V
10 2.5V
VDD25 D2.5V
9
AB1 9
3.3V 8
0V DB1 8
7
AB0 7
6
DB0 6
5 3.3V
READY D3.3V
4
ERAMLO
3.3V
3
EROMLO 3
0V
2 3.3V
C110
RWN 2
1 0.1
VSS
3.3V 8.192M
3.3V
0V
0V 3.3V
0V
2.5V
A2
3 2
GND
C109
4 1
0.1 VCC
C102
1000P D3.3V
C100
1 C240
0.1
D2.5V
D3.3V
R34
270
IC11
1M
SRAM
3.3V
0V
m
c o
S T
2
8 9 9
4 9 8 2 9 9
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