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Kenwood SMB 2700 Service Manual page 10

Digital satellite receiver
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Available languages

Available languages

U
V
(X05-5112-71)
A
+3.3VD
+5VDU
+3.3VA
+5VDS
5VA
+5VA
+32V
+21/17V
203,223
C
B
+12VS
12.1V
6.9V
R214
C64
510
Q9
7P
6.3V
R220
R221
R223
R216
22
L25
180
18
330
162
4.7uH
R224
0.4V
Q8
Q51
10
C87
6.9V
R227
36
0.1
C80
510
Q13
7P
6.3V
R232
R235
R237
R228
C91
L27
22
180
18
330
0.1
164
38
4.7uH
0.4V
R238
Q12
Q63
10
6.9V
R242
C90
510
Q18
7P
6.3V
R248
R251
R253
R244
C94
L29
22
180
15
330
0.1
163
40
4.7uH
0.7V
R254
Q17
Q64
10
6.9V
R260
C103
510
Q22
7P
6.3V
R265
R268
R270
R261
C99
L31
22
180
33
470
0.1
179
42
4.7uH
0.2V
R271
Q21
Q75
10
6.9V
R275
C130
510
Q24
7P
6.3V
R279
R281
R283
R276
C104
L33
22
180
33
470
0.1
180
44
4.7uH
0.2V
R284
Q23
Q76
10
12.1V
6.9V
R286
C139
510
Q28
7P
6.3V
R293
R297
R299
R289
C108
L35
22
180
33
470
0.1
178
46
4.7uH
0.2V
R300
Q27
Q77
10
C81
100u10
-5.0V
+
Q20
R433
820
IC19
1
DIF1
2
137
LRCK
16
DIF0
137
3
15
155
BICK
VSS
14
155
4
VDD
145
SDATA
13
VREF
+5VA
145
5
C173
5.0V
PD
100u10
6
147
MCLK
+
147
12
C172 0.1
VCOM
11
7
AOUTL
DEM
8
10
CKS
AOUTR
9
TST
W
X
+3.3VD
+5VDU
+3.3VA
+5VDS
5VA
+5VA
+32V
+21/17V
+12VU
+12VS
+8.5VU
D61
4.8V
Q56
4.8V
D60
+12VU
c
12.1V
0.8V
R446
C72
100u10
47K
Q48
+
0.8V
5VA
8.4V
+8.5VU
+8.5VU
3
2
1
17
17
FBOUT TV
18
FBIN AUX
19
64
FBIN ENC
ROUT TV
64
20
63
ADD
GOUT TV
63
62
R362
LOUT VCR
47
21
61
223
SCL
BOUT TV
61
60
R410
22
ROUT VCR
203
SDA
59
D70
47
LOUT CINCH
59
23
58
VCC12
ROUT CINCH
58
24
57
NC
IC17
C126
GNDA
25
10u50
56
SLB TV
RIN TV
56
+
26
55
NC
VCCA
C127
27
54
SLB VCR
CIN TV
0.01
28
53
RCIN AUX
LIN TV
53
29
52
GNDV1
YCVBSIN TV
52
30
51
12.1V
GIN AUX
VREF
31
50
NC
YCVBSIN VCR
32
49
BIN AUX
LIN VCR
+8.5VU
27
R312
4.7K
IC18
(2/2)
R315
C170
R316
R317
R318
430
47u25
2.2K
4.7K
6
1K
7
+
5
12.1V
+12VU
R302
4.7K
IC18
(1/2)
R313
C153
R306
R307
R308
430
47u25
2.2K
4.7K
2
8
1K
1
+
3
4
5VA
Y
Z
+3.3VD
+5VDU
+3.3VA
+5VDS
5VA
+5VA
+32V
+21/17V
+12VU
+12VS
+8.5VU
5.0V
12.1V
C61
R213
C69
10u50
470
47u25
59
+
+
-3.3V
C62
R215
10u50
470
58
+
R210 4.7K
Q59
-3.3V
R211 4.7K
Q60
C110
10u50
CVBS IN
52
20
+
12.1V
Q14
3
R234
CVBS OUT
1.4V
68
0.8V
18
11.9V
D47
Q11
0V
17
0V
R230
TV SW
16
47
Q15
12.1V
1
1.4V
R241
R OUT
68
14
0.8V
12.1V
Q16
12
63
62
G OUT
1.4V
R247
R225
68
C101
25
60
0.8V
10
0.01
470
Q19
12.1V
FS
61
8
R255
B OUT
1.4V
68
8.4V
0.8V
C114
R267
C109
L56
0.01
1K
2.2u50
AUDIO IN L
53
6
+
C128
100u10
+
C102
R263
4
50
L58
10u50
470
AUDIO OUT L
C131
2
49
+
0.1
R266
C107
L57
1K
2.2u50
AUDIO IN R
56
2
+
C105
L59
10u50
R264 470
AUDIO OUT R
64
+
R208 4.7K
Q57
-3.3V
R209 4.7K
Q58
C129
10u50
CVBS IN
50
41
+
12.1V
Q25
7
Y/CVBS OUT
1.4V
R280
12.1V
68
39
0.8V
Q26
5
37
2.5V
R287
C OUT
1.8V
68
35
33
31
FS
27
29
R296
C144
L60
1K
2.2u50
AUDIO IN L
49
27
+
C151
R303
25
L62
10u50
470
AUDIO OUT L
62
+
R301
C150
L61
1K
2.2u50
AUDIO IN R
47
23
+
C152
L63
10u50
R305 470
AUDIO OUT R
60
+
R212 4.7K
1
Q61
2
-3.3V
R219 4.7K
3
Q62
4
AA
AB
A
+3.3VD
+5VDU
+3.3VA
+5VDS
5VA
+5VA
+32V
+21/17V
V/H
B
+12VU
+12VS
+8.5VU
COMPOSITE
VIDEO
J3
L
CINCH
122
OUT
+5VDU
45
R
J4 (1/2)
21
1
P50/A8
2
P51/A9
3
3
P52/A10
19
4
4
P53/A11
5
5
P54/A12
6
6
P55/A13
17
7
7
P56/A14
8
Q47
8
P57/A15
5.0V
9
VSS0
10
VDD
VDD0
15
11
11
P30
R294
33K
13
TV
12
SCART
12
P31
R123
33K
13
203
P32/SDA0
11
14
223
P33/SCL0
15
199
P34
9
16
22
P35
7
R423
0V
10K
Q49
43
5
3.0V
VDD
3
19
18
1
20
E1
J4 (2/2)
42
64
D69
VDD
40
4.9V
IC16
38
1
30
BLOCK
VDD
2
29
36
UBDA
CKA2
3
28
LRS
CKA1
34
4
27
137
LRCK
LBIT
5
26
32
NC
NC
VCR
6
25
155
BCK
FR32
SCART
7
24
R456 10K
30
145
DATA
CTG3
8
23
R455 10K
VLDY
CTG2
9
28
EMPH
22
R454 10K
10
CTG1
COPY
26
11
21
FS1
IS2
12
20
FS2
IS1
13
19
CKS
M2
24
14
18
147
XI
M1
15
17
VSS
DO2
16
DO1
22
+3.3VD
CN6
Y
3 2 1
CN7
GND
C
CVBS
AC
AD
+5VDU
5.0V
48
P71/TIO1
48
47
P70/TI00/T0O
46
P03/INTP3/ADTRG
46
45
P02/INTP2
44
P01/INTP1
43
P00/INTP0
42
VSS1
X5
8.38MHz
41
X1
40
X2
IC21
R389
47K
39
IC
C233 18P
38
XT1
X6
32.768KHz
R392
47K
C234 22P
37
XT2
36
RESET
35
AVDD
34
AVREF
33
R402
P10/ANI0
100K
R12
R11
10K
10K
TP14
R397
10K
VDD
CN10
CN2
1
1
2
2
3
3
4
4
5
5
C211 0.01
C227
100u10
+
IC22
4.8V
B
1
5
NC
VCC
VDD
2
SUB
3
4
GND
VOUT
18
20
19

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