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Kenwood DTF-3 Service Manual page 7

Kenwood digital multimedia receiver service manual

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Available languages

Available languages

A
B
(X05-5172-XX)
1
C1
1000P
TP1
3.0V
R237
C2
100K
100u10
+
111
36
IC3
C5
0.1
1
48
56
A15
A16
2
47
17
A14
BYTE
+3.3VS
3
46
37
A13
VSS
2
4
45
57
A12
DQ15/A-1
10
5
44
77
A11
DQ7
32
6
43
18
A10
DQ14
30
7
42
38
A9
DQ6
52
8
41
39
A8
DQ13
50
9
40
55
A19
DQ5
13
10
39
3.2V
35
NC
DQ12
11
11
38
WE
DQ4
33
12
37
RESET
VCC
+3.3VS
13
36
C9
NC
DQ11
31
0.1
14
35
NC
DQ3
53
15
34
RY/BY
DQ10
51
16
33
75
A18
DQ2
73
17
32
16
A17
DQ9
71
18
31
19
A7
DQ1
14
19
30
20
A6
DQ8
12
20
29
3
40
A5
DQ0
34
21
28
60
A4
OE
128
22
27
59
A3
VSS
23
26
58
A2
CE
94
24
25
80
A1
A0
103
4.9V
C21
R180
1u50
220
+
5.0V
IC11
C22 1u50
1
16
C1+
VCC
+
2
15
VS+
GND
3
14
C1-
T1 OUT
C30 1u50
4
13
C2+
R1 IN
+
5
12
C2-
R1 OUT
21
C32 1u50
6
11
VS-
T1 IN
24
+
7
10
T2 OUT
T2 IN
1
8
9
4
R2 IN
R2 OUT
4
J4
R52
12.1V
DCD
1
680
DSR
6
RXD
2
RTS
7
TXD
3
CTS
8
DTR
4
R54
5
R1
9
680
GND
5
4
24
21
1
22
6
2
7
C
D
+3.3VS
+12VU
+5VDS
TP3
TP2
TP5 TP6 TP7
TP4
20
40
60
80
88
MEMADDR9
39
MEMADDR8
19
39
59
79
87
19
MEMADDR10
38
MEMADDR11
18
18
38
58
78
86
MEMADDR12
77
MEMADDR13
57
MEMADDR14
17
37
57
77
85
37
MEMADDR15
17
MEMADDR17
36
MEMADDR18
16
16
36
56
76
MEMADDR16
56
MEMADDR19
75
MEMADDR20
55
15
35
55
75
MEMADDR22
TP13
MEMADDR21
35
MEMADDR23
TP14
MEMDATA0
14
34
54
74
34
MEMDATA1
14
MEMDATA4
33
MEMDATA5
13
13
33
53
73
MEMDATA3
53
MEMDATA2
73
MEMDATA6
52
12
32
52
72
MEMDATA7
32
MEMDATA8
12
MEMDATA11
31
MEMDATA12
51
71
11
11
31
MEMDATA10
51
MEMDATA9
71
MEMDATA13
50
10
30
50
70
MEMDATA14
30
MEMDATA15
10
49
69
9
29
48
68
5.0V
8
28
+5VDU
7
27
C13
47
67
0.01
46
66
6
26
5
65
25
45
CPU2MODEM
65
MODE M2CPU
44
5
4
DS PC2IRO
4
24
64
84
44
DS IRO2PC
R31
MODIRQ
3
23
43
63
83
8
1
10K
SUBUPIRQ
23
SUBUPCOM
CP19
43
47
MODEM CTS
42
62
82
MODEM DCD
2
22
DSDTR
1
41
61
81
DSDSR
21
3.2V
+5VDU
+5VDU
+3.3VSL
+3.3VS
E
F
3.2V
TP8
TP9
TP10
TP11
TP12
96
104
112
120
128
95
103
111
119
127
94
102
110
118
126
93
101
109
117
125
IC1
260
264
268
272
259
263
267
271
258
262
266
270
257
261
265
269
92
100
108
116
124
91
99
107
115
123
90
98
106
114
122
89
97
105
113
121
CP16 10K
1
8
4
5
TP20
B
E
D
G
H
G
+3.3VS
+12VU
+3.3VSL
+5VDS
3.2V
C3
CP1
0.01
47
CP2
47
136
144
152
160
168
176
196
135
143
151
159
167
175
195
134
142
150
158
166
174
194
133
141
149
157
165
173
193
192
212
191
190
189
188
187
186
185
184
C14
183
0.01
182
202
181
132
140
148
156
164
172
180
131
139
147
155
163
171
179
130
138
146
154
162
170
178
129
137
PCMDATA
145
153
161
169
177
LRCLK
TP21
TP18
3.2V
TP19
+5VDU
+3.3VSL
+3.3VS
I
J
G
+3.3VS
+12VU
+3.3VSL
+5VDS
CP3
47
3.2V
CP4 47
5
4
255
234
254
8
1
216
236
256
253
215
235
255
DQ2
CP9 47
DQ1
5
4
DQML
233
214
191
234
254
8
1
DQ0
248
AD13
CP5 47
213
233
253
DQMU
5
4
214
SDCS0
213
SDWE
212
8
1
SDRAS
211
232
252
AD10
R13 47
SDCLK
192
SDCLK
R16 47
211
231
251
CP6 47
SDCAS
5
4
232
AD12
252
AD11
231
210
230
250
AD9
8
1
250
CP7 47
AD8
5
4
230
209
229
249
AD5
249
AD4
229
AD1
8
1
228
208
228
248
AD2
CP8 47
AD6
5
4
190
AD7
210
AD3
209
AD0
8
1
208
27MHz
207
227
247
L IN K IN
R40 10K
R51 10K
CPU RESET
R48 10K
TRIG OUT
226
206
226
246
TRIG IN
246
NORM/TEST
LNB ON
186
CARD OL
205
225
245
VERTICAL
245
MODEM RESET
205
PW MVCXO
204
224
244
MODEM RTS
244
204
FRONT SCL
PI03 (1)
243
203
223
243
FRONT SDA
BACK SCL
PI01 (1)
DEMOD RESET
182
BACK SDA
222
242
+5VDU
SC1 DETECT
202
F
SC1 RESET
221
201
221
241
SC1 VCC
241
SC1 CLK
201
SC1 DATA
220
200
220
240
MODEM DTR
240
MODEM DSR
199
199
219
239
SC0 DETECT
239
SC0 VCC
219
SC0 CLK
218
198
218
238
LNB OL
SC0 DATA
217
197
217
237
SC0 RESET
237
L6
47uH
3.2V
+3.3VS
C
+5VDU
+3.3VSL
+3.3VS
B
E
D

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