USR1700-012-00, Schematy elektroniczne(1)

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ESQUEMA ELÉTRICO DO RECEPTOR USR 1700 CENT.
TOMADA DE FORÇA
+5V
U111
+5V(TUNER)
CN110
AC ~ 110/220V
7805
}
T1
FIO AMARELO +10VAC
D113
D111
Q111
KIA1273
Q113
BC557
+5V(MODULADOR)
+12V
-
+
1
3
}
110/220V
D112
D114
+
C111
3300uF/16V
.
C112
100nF
R115
PSAT/TV
TRAFO +10V / +18V
R111
330R
1K
RELE
R117
100R
+
C113
470uF/16V
FIO PRETO +18VAC
U112
7812
R118
Q114
BC547
R112
1K
D116
D115
Q112
BC547
-
+
1
3
+12V
10K
POWER(ON/OFF)
R113
47K
D117
D118
+
C15
2200uF/35V
C16
100nF
C118
100nF
+5V
CN101
BARRA TRIPOLAR
D124
R126
R125
C125
47uF/63V
4R7
1N4007
4R7 5W
LNB(18V)
C127
470uF/16V
+
R122
470R
+
C126
47uF/63V
R123
D122
D121
R124
PULSO
R120
Q115
BC547
100R
1N4007
1N4007
1K
VT 28V
10K
+
C120
1000uF/50V
C306
100nF
R121
47K
D125
ZENER 27V
C122
100nF
Century Electro-Electronics
TÍTULO:
Circuito da Fonte do Receptor USR1700
PRODUTO:
USR1700
COD.:
10.02.015
26.10.012
REV.:
00
PLACA:
USRFX
COD.:
REV.:
1997
DESENHADO POR:
DOC.:
Luiz Eduardo
DATA:
05/12/00
APROV.:
130
REV.:
00
PAG.:
1/4
C:\RECEPTORES\USR1700\10-02-015\ESQUEMA\USR1700-012-00.DSN
ESQUEMA ELÉTRICO DO RECEPTOR USR 1700 CENT.
REV.
DESCRIÇÃO
APROV.
DATA
+5V
SW103
R360
1K
+5V
POWER
C301
100nF
SW102
R361
1K
CH UP
R311
5K6
R312
5K6
R302
5K6
R303
5K6
R304
5K6
R305
5K6
R306
5K6
R307
5K6
R362
1K
SW101
CH DOWN
R339
4K7
R3
3
8
4K7
U301
80C51
R337
4K7
40
39
38
37
36
35
34
33
32
21
22
23
24
25
26
27
28
17
16
29
30
11
10
R349
100R
11
DISP101
VC
C
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
RD
WR
PSEN
ALE/P
TXD
RXD
A
OSC
C303
31
R348
100R
7
EA/VP
B
19
18
R347
100R
4
X1
X2
C
R346
100R
2
D
100nF
R345
100R
1
10
E
R344
100R
R343
100R
D301
5
F
G
R350
100R
3
.
9
RESET
+5V
20
LED
GND
R
331
560R
R336
4K7
12
13
14
15
1
2
3
4
5
6
7
8
R330
560R
R335
4K7
INT0
INT1
T0
T1
P1.0/T2
P1.1/T2X
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
R
329
560R
R334
4K7
SKEW
R
328
560R
R333
4K7
PSAT\TV
POWER
RE-EN
SDATA
SCLOCK
+5V
+5V
AUD-EN
2
Q303
BC557
2
Q305
BC557
VOL-EN
MUTE
R314
5K6
+5V
R327
22K
+5V
2
Q304
BC557
2
Q306
BC557
+5V
C304
R326
47R
10uF/16V
R324
10K
R319
5K6
+
C307
10uF/25V
+5V
+5V
Q302
BC557
R323
4K7
U302
R320
47R
R322
5K6
1
2
3
4
1
2
3
4
7
8
7
8
Century Electro-Electronics
IRS 301
24C04
6
22
0
R
R318
10K
R317
6
TÍTULO:
5
22
0
R
R316
10K
R315
Circuito do Microcontrolador do USR1700
5
IF/BW
Q301
BC547
PRODUTO:
USR1700
COD.:
10.02.015
26.10.012
REV.:
00
R325
470R
C302
100nF
R321
1K
C305
10nF
PLACA:
USRFX
COD.:
REV.:
1997
DESENHADO POR:
DOC.:
Luiz Eduardo
DATA:
05/12/00
APROV.:
130
REV.:
00
PAG.:
2/4
C:\RECEPTORES\USR1700\10-02-015\ESQUEMA\USR1700-012-00.DSN
ESQUEMA ELÉTRICO DO RECEPTOR USR 1700 CENT.
+12V
U200
KIA6003
+12V
+12V
F201
FILTRO 10.7MHz BW-150 KHz
KIA6003
R209
R213
3K3
R207
1K5
47R
C214
100nF
R208
330R
Q215
BC 547
BANDA BÁSICA
R206
470K
C216
R212
Q214
BC 547
C200
L200
12uH
C211
10nF
10uF/25V
330R
Q210
BC 547
82pF
MUTE
R218
10K
R214
33R
C208
10nF
C206
82pF
C210
120pF
C212
10pF
C215
100nF
R219
2K2
C220
10uF/16V
+
R217
L206
BOBINA 10.7MHz
22K
+12V
R215
3K9
R216
560R
R205
100R
R204
+12V
+12V
R231
4K7
+12V
1K
C205
Q206
BC 547
R200
R201
R224
3K9
G
Q211
MPF102
1
10K
100K
47pF
C229
U203
R225
10K
R250
10K
C234
100nF
C203
1uF/16V
1
2
3
4
5
6
7
8
16
AUDIO
1
2
3
4
5
6
7
8
16
15
R227
470R
15
14
14
3,3pF
13
+12V
C201
100nF
R203
1K
13
D201
BB 809
PT2254
12
12
L202
3,3uH
11
C204
120pF
11
+
C230
47uF/16V
10
+
C231
10uF/16V
10
SDA
R226
10K
9
C228
9
SCL
Q207
BC 547
10uF/16V
R229
R230
R228
470R
100R
10K
XT201
+
C227
1uF/50V
C232
100nF
C225
33pF
11.160 MHz
+5V
C226
33pF
R232
4K7
VOL-EN
Century Electro-Electronics
U202
OSC
R233
10K
1
2
3
4
5
6
7
1
2
3
4
5
6
7
14
14
TÍTULO:
Circuito de Audio do USR1700
13
13
12
PRODUTO:
USR1700
COD.:
10.02.015
26.10.012
REV.:
00
12
11
LC7215
11
R234
10K
PLACA:
COD.:
REV.:
10
USRFX
SDA
SCL
AUD-EN
10
1997
9
C233
10nF
9
8
DESENHADO POR:
DOC.:
Luiz Eduardo
DATA:
05/12/00
APROV.:
8
130
REV.:
00
PAG.:
3/4
C:\RECEPTORES\USR1700\10-02-015\ESQUEMA\USR1700-012-00.DSN
ESQUEMA ELÉTRICO DO RECEPTOR USR 1700 CENT.
15
U104
VIDEO IN
AUDIO IN
1
2
VIDEO
15
14
13
14
13
MODULADOR
AUDIO
VLNB
+5V
3
PSAT/TV
12
11
10
9
12
11
10
9
+5V(TUNER)
BANDA BASICA
+12V
8
8
7
7
IF/BW
6
5
4
3
6
5
4
3
VT(28V)
RF-EN
C408
100nF
S-CLOCK
+
C412
47uF/16V
S-DATA
R409
5K6
2
2
1
R405
2K2
1
TUNER
U3
Q407
BC 547
CN 102
R410
3K9
C410
100nF
+
C411
47uF/16V
Q406
BC 547
+12V
C401
1000uF/10V
C404
C406
L400
56uH
BANDA BASICA
R415
330R
330pF
180pF
R404
C400
R402
47R
R403
Q405
BC 547
L401
L402
2,7uH
100R
Q408
BC 547
R416
150R
47R
100nF (opcional)
2,2uH
AUDIO VIDEO
R401
39R
R407
C409
Q409
BC 547
C413
100nF (opcional)
C403
270pF
C405
680pF
C407
330pF
2K2
100nF
R406
470R
C402
10nF
R411
4K7
C414
R408
220K
VIDEO
R413
150R
1000uF/10V
R414
100R
Century Electro-Electronics
TÍTULO:
Circuito de Video do USR1700
PRODUTO:
USR1900
COD.:
10.02.015
26.10.012
REV.:
00
PLACA:
USRFX
COD.:
REV.:
1997
DESENHADO POR:
DOC.:
Luiz Eduardo
DATA:
05/12/00
APROV.:
130
REV.:
00
PAG.:
4/4
C:\RECEPTORES\USR1700\10-02-015\ESQUEMA\USR1700-012-00.DSN
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