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Kenwood KTC-SR901 Service Manual page 6

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A
B
Q Q
(X14-6900-10)
UN5213
3 7 6 3 1 5 1 5 0
UN5215
1
A1
ANT
DTA124EUA
DTC124EUA
ANT CHECK
DTC144EUA
2
NJM4565M-TE2
3
DAN202U
TA78L05F
T E
L
1 3 9 4 2 2 9 6 5 1 3
4
DAP202U
DA204U
5
MA142WA
MA142WK
UN5212
M5237ML
6
w w w
NJM2123V-TE2
7
C
D
+8V
+3.3V
TUNER
1
NC
2
GND
3
VCC LNA
4
C130
GND
5
0.01
C18 180P
R1
6
VMAIN
270
C19 0.1
R2
7
C20 1000P
270
GND
8
C12 1000P
SCLKA
CK
9
MOSIA
DI
C13 0.1
2.0V
51
10
REFNQY
MISOA
DO
C10 1000P
11
SCSNA
125
1.0V
12
C11 0.1
CAGCOP
28
2.8V
52
REFPQY
13
CAGCON
29
C8 1000P
14
ADCKN
38
15
C9 0.1
2.4V
53
ADCKP
39
CMY
16
54
TAGCON
47
GND
17
C17 150P
TAGCOP
48
C16 0.1
1.6V
55
REFNY
C15 150P
3.2V
C14 0.1
56
REFPY
57
GND
5.0V
58
D5V
DITHR
59
GND
60
GND
61
AD CONVERTER
GND
62
GND
63
GND
64
GND
65
GND
60M
66
CKP
CKO
60M
67
CKN
CKOB
68
36
B9Y
69
35
B9BY
70
34
B8Y
71
1.2V
33
B8BY
0.8V
72
32
B7Y
73
31
B7BY
1.2V
74
28
B6Y
0.8V
75
27
B6BY
D3.3V
1
1
OA2DN5
2
2
OA2DP5
3
3
OA2DN6
3.3V
1.2V
4
0V
4
OA2DP6
0.8V
5
5
OA2DN7
6
6
OA2DP7
7
7
OA2DN8
8
8
OA2DP8
3.3V
9
D3.3V
VDD
10
VSS
11
C50
11
OA2DN9
0.1
12
12
OA2DP9
13
C251
13
TA2DN0
10u10
14
1.2V
14
TA2DP0
0.8V
+
15
15
TA2DN1
C52
16
0.1
16
TA2DP1
17
17
TA2DN2
IC3
18
18
TA2DP2
3.3V
19
DIGITAL
D3.3V
VDD
DOWNCONVERTER
20
VSS
C53
21
0.1
21
TA2DN3
22
22
TA2DP3
C55
23
23
TA2DN4
0.1
1.2V
24
24
TA2DP4
0.8V
25
25
TA2DN5
26
26
TA2DP5
27
27
TA2DN6
28
28
TA2DP6
3.3V
29
D3.3V
VDD
30
VSS
31
31
TA2DN7
32
32
TA2DP7
3.3V
33
1.2V
0V
33
TA2DN8
0.8V
34
34
TA2DP8
35
35
TA2DN9
36
36
TA2DP9
x
a o
.
i
E
F
L1 1uH
D5V
L2 1uH
+5V
R4
C31 180P
R3
100
270
R5
C32 0.1
270
C33 1000P
C40 1000P
C41 0.1
25
2.0V
REFNQX
133
C38 1000P
1.0V
134
C39 0.1
24
2.8V
135
REFP QX
136
C36 1000P
137
23
2.4V
C37 0.1
CMX
138
22
GND
139
C45 150P
140
21
1.6V
C44 0.1
141
REFNX
C42 150P
143
20
3.2V
C43 0.1
REFPX
3.3V
19
D3.3V
GND
18
146
PD
17
147
IC2
I50
16
148
I100
15
149
I200
0V
14
C70
GND
150
0.1
13
GND
0V
12
152
GND
3.3V
11
153
GND
10
60M
154
B0BX
134
9
155
B0X
135
8
156
B1BX
136
7
B1X
137
157
1.2V
6
C72
158
0.8V
B2BX
138
0.1
5
B2X
139
4
2.5V
B3BX
140
D2.5V
3
B3X
141
C71
1.2V
161
2
0.1
0.8V
B4BX
142
162
1
B4X
143
163
164
165
Q
Q
3
7
166
167
168
3.3V
D3.3V
D3.3V
C301
0.1
171
C34
172
0.1
3.3V
173
C35
174
10u10
175
+
176
108
T1SAP0
10
107
T1SAP1
11
106
T1SAP2
12
105
3.3V
T1SAP3
13
0V
104
T1SAP4
14
103
T1SAP5
17
102
T1SAP6
18
101
3.3V
VDD
D3.3V
100
VSS
99
T1SAP7
19
98
T1SAP8
20
97
T1SAP9
21
96
T1SAP10
22
95
T1SAP11
23
C51
94
0.1
T1SAWRN
24
3.3V
93
T1ISAN
25
0V
C54
92
0.1
T2TIMWRN
26
91
T2TIM0
27
C250
90
10u10
T2TIM1
28
89
+
T2TIM2
29
88
C56
T2TIM3
30
0.1
87
T2TIM4
33
86
C57
T2TIM5
34
0.1
85
VSS
128M
84
VDD
D3.3V
SDRAM
83
3.3V
T2TIM6
35
82
T2TIM7
36
81
T2SAP0
37
80
T2SAP1
38
79
T2SAP2
39
3.3V
78
T2SAP3
40
0V
77
3.3V
T2SAP4
41
0V
76
T2SAP5
42
75
T2SAP6
43
74
T2SAP7
44
73
T2SAP8
47
u 1 6 3
y
D3.3V
G
H
2
4
8
9
+8V
+3.3V
+5V
D5V
D3.3V
2.5V
D2.5V
133
EMADDR3
134
EMADDR4
135
EMADDR5
136
3.3V
EMADDR6
0V
137
EMADDR7
138
EMADDR8
139
EMADDR9
140
EMADDR10
141
EMADDR11
142
EMADDR12
143
3.3V
EMADDR13
0V
144
VSS
145
VDD3
146
EMADDR14
3.3V
147
EMWEN
0V
148
EMCASN
149
EMRASN
150
EMCSN
151
VSS
152
EMD QM
153
EMCKE
154
EMCK
155
IC6
EMD Q0
3.3V
156
EMD Q1
DE-MODULATOR,
0V
157
COMBINER
EMD Q2
158
EMD Q3
159
VSS
160
VDD2
161
EMD Q4
162
EMD Q5
163
EMD Q6
3.3V
164
EMD Q7
0V
165
EMD Q8
166
6
3
1
5
1
5
0
8
EMD Q9
167
EMD Q10
168
EMD Q11
169
VDD3
170
VSS
171
EMD Q12
172
EMD Q13
173
3.3V
EMD Q14
0V
174
EMD Q15
175
T1TIMWRN
176
3.3V
T1TIM0
0V
3.3V
0V
IC5
IC8
4M
SRAM
3.3V
0V
m
c o
D3.3V
.
I
J
2
9
8
9
9
3.3V
88
3.3V
E1TDMSYEN
87
GPIO0
86
GPIO1
85
GPIO2
84
GPIO3
83
GPIO4
82
RESERVED
81
TDI
80
TDO
79
3.3V
TMS
78
TCK
D3.3V
77
0V
TRST
76
3.3V
CSINTN
TN
3.3V
75
R17 10
0V
CSSDO
DO
74
2.5V
VDD2
D2.5V
73
C81
VSS
72
0.1
3.3V
CSSDI
DI
71
0V
CSSSN
SN
70
CSSCK
CK
69
3.3V
RESETN
RST
C82
0.1
68
VSS
67
60M
CKP
CKP
66
60M
CKN
CKN
65
3.3V
VDD
D3.3V
64
OSTAT3
64
63
OSTAT2
63
62
3.3V
OSTAT1
62
0V
61
OSTAT0
61
60
OSYM0
60
59
OSYM1
59
58
C83
OSYM2
58
57
0.1
9
2
4
9
8
VSS
2
9
9
2.5V
56
VDD2
D2.5V
55
OSYM3
55
54
OSYWRN
54
53
OSYFR
53
52
3.3V
T2ISAN
52
0V
51
T2SAWRN
51
50
T2SAP11
50
49
T2SAP10
49
48
T2SAP9
48
47
T2SAP8
47
3.3V
46
2.5V
VDD2
D2.5V
0V
C85
45
VSS
0.1
D2.5V
D3.3V
3.3V
0V
D3.3V
1/3

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