Century USR1700-012-00 Schematic

ESQUEMA ELÉTRICO DO RECEPTOR USR 1700 CENT.

TOMADA DE FORÇA

AC ~ 110/220V

.

TRAFO +10V / +18V

+5V

C112
100nF

U111

7805

Q111

1

3

2

KIA1273

R111

330R

CN110

T1

FIO AMARELO +10VAC

}

D113

D112

D111

-+

D114

+

3300uF/16V

C111

}

FIO PRETO +18VAC

+

+

47uF/63V

D122

1N4007

D116

D117

C125

C126

D115

-+

D118

+

2200uF/35V

47uF/63V

D121

1N4007

+

1000uF/50V

C15

C120

C16

100nF

R124

ZENER 27V

U112

7812

Q112

1

1K

D125

2

D124

1N4007

3

C118

100nF

R126

4R7 5W

C122

100nF

+12V

LNB(18V)

VT 28V

BC547

+5V(TUNER)

Q113

BC557

+

470uF/16V

R113
47K

PULSO

+5V(MODULADOR)

R115

1K

C113

R112

10K

POWER(ON/OFF)

C306
100nF

PSAT/TV

R120

10K

R121
47K

R122

470R

+12V

R118

1K

+5V

470uF/16V

Q115
BC547

R117
100R

R125

4R7

C127

R123
100R

1

1

Q114
BC547

+

2

2

RELE

CN101
BARRA TRIPOLAR

.

.

P

+5V

110/220V

}

.

GND

Century Electro-Electronics

TÍTULO:
PRODUTO: COD.: REV.:
PLACA: COD.: REV.:
DESENHADO POR:
DOC.: REV.:

C:\RECEPTORES\USR1700\10-02-015\ESQUEMA\USR1700-012-00.DSN

Circuito da Fonte do Receptor USR1700

USR1700

Luiz Eduardo

130

DATA:

10.02.015

26.10.012USRFX
05/12/00
00

APROV.:
PAG.:

00
1997

1/4

ESQUEMA ELÉTRICO DO RECEPTOR USR 1700 CENT.

REV. DESCRIÇÃO APROV. DATA

+5V

OSC

C301

100nF

SKEW
PSAT\TV

RE-EN
SDATA
SCLOCK
AUD-EN
VOL-EN
MUTE

C303

100nF

R322
5K6

R321

1K

+5V

R311

5K6

10uF/16V

R319

C304

+

5K6

R312

C305
10nF

5K6

R320
47R

Q301

BC547

R302

5K6

R303

5K6

Q302

BC557

R304

5K6

+5V

R305

5K6

R325
470R

R324

10K

R306

5K6

IF/BW

R307

5K6

R323

4K7

321

IRS

IRS 301

R327
22K

321

40

VCC

31

EA/VP

19

X1

18

X2

9

RESET

20

GND

12

INT0

13

INT1

14

T0

15

T1

1

P1.0/T2

2

P1.1/T2X

3

P1.2

4

P1.3

5

P1.4

6

P1.5

7

P1.6

8

P1.7

R326
47R

C307

+

10uF/25V

1
2
3
4 5

U301
80C51

PSEN
ALE/P

+5V

U302

24C04

7

7

8

8

6

6

1
2
3
45

CH DOWN

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

TXD

RXD

+5V

R360

R361

R362

R314
5K6

1K

1K

1K

D301

LED

+5V

R31710K
R31510K

TÍTULO:

SW103

POWER

SW102
CH UP

SW101

R349 100R

39

R348 100R

38

R347 100R

37

R346 100R

36

R345 100R

35

R344 100R

34

R343 100R

33

R350 100R

32
21

R331 560R

22

R330 560R R335 4K7

23

R329 560R

24

R328 560R

25
26
27
28

17
16
29
30
11
10

R318220R
R316220R

PRODUTO: COD.: REV.:

C302
100nF

PLACA: COD.: REV.:
DESENHADO POR:
DOC.: REV.:

+5V

R339 4K7
R338 4K7
R337 4K7

+5V

R336
R334 4K7

R333 4K7

POWER

4K7

11

A

7

B

4

C

2

D

1

E

10

F

5

G

3

.

DIG.1

12

+5V

3

Q303

2

BC557

1

2

DIG2

9

3

Q304
BC557

1

DISP101

2

8

DIG3

3

Q305
BC557

1

6

Century Electro-Electronics

Circuito do Microcontrolador do USR1700

DATA:

10.02.015

26.10.012USRFX
05/12/00
00

APROV.:
PAG.:

USR1700

Luiz Eduardo

130

C:\RECEPTORES\USR1700\10-02-015\ESQUEMA\USR1700-012-00.DSN

DIG4

2

3

1

1997

Q306

BC557

00

2/4

+5V

ESQUEMA ELÉTRICO DO RECEPTOR USR 1700 CENT.

+

C230

47uF/16V

Q214
BC 547

R214
33R

R217

22K

R250

10K

DATA:

+12V

R213

3K3

+12V

Q207
BC 547

R228
470R

10.02.015

26.10.012USRFX
05/12/00
00

Q215
BC 547

R216
560R

AUDIO

R229

100R

+

1997

APROV.:
PAG.:

C231

10uF/16V

R230

10K

00

3/4

SDA
SCL
AUD-EN

+12V

OSC

R231

C225

33pF

4K7

R200

10K

100nF

C201

BANDA BÁSICA

+12V

R201

100K

D201

BB 809

XT201

11.160 MHz

U202

1

1

2
3
4
5
6
7 8

14

2

13

3

12

LC7215

4

11

5

10

6

9

78

14
13
12
11
10
9

C200

82pF

C205

47pF

L202

3,3uH

+5V

C226

33pF

L200

12uH

R204

1K

C203

3,3pF

C204

120pF

C206
82pF

G

+12V

R205
100R

1

+

R207
1K5

R206
470K

C227

1uF/50V

R232

4K7

DS

R233

10K

R234

10K

C208
10nF

23

Q211

MPF102

R203

1K

C232

100nF

F201

FILTRO 10.7MHz BW-150 KHz

Q210
BC 547

MUTE

C210
120pF

Q206

BC 547

R227

470R

10uF/16V

C233

10nF

123

123

C228

+

330R

R218

10K

+12V

R208

R219

2K2

C229

1uF/16V

+

U200

KIA6003

KIA6003

123456789

123456789

C211
10nF

+

C220

10uF/16V

VOL-EN

123

123

C212

10pF

L206

BOBINA 10.7MHz

U203

1

1

2
3
4
5
6
7
8 9

16

2

15

3

14

4

13

PT2254

5

12

6

11

7

10

89

+12V

R209

47R

10uF/25V

C215

100nF

+12V

16
15
14
13
12
11
10

C216

R224

3K9

C214

100nF

C234
100nF

SDA
SCL

R212

330R

R215

3K9

R225

10K

R226

10K

+

Century Electro-Electronics

TÍTULO:
PRODUTO: COD.: REV.:
PLACA: COD.: REV.:
DESENHADO POR:
DOC.: REV.:

Circuito de Audio do USR1700

USR1700

Luiz Eduardo

130

C:\RECEPTORES\USR1700\10-02-015\ESQUEMA\USR1700-012-00.DSN

ESQUEMA ELÉTRICO DO RECEPTOR USR 1700 CENT.

BANDA BASICA

15
14

13

12
11
10

TUNER

TUNER

U3

R415
330R

+5V

1
2
3

AUDIOVIDEO

VIDEO

R414
100R

CN 102

AUDIO

VIDEO
AUDIO
PSAT/TV

...

GND

VIDEO

U104

GND

4

C412
47uF/16V

+

C413

100nF (opcional)

C414

+

1000uF/10V

VIDEO IN
AUDIO IN

C411
47uF/16V

15
14

13

12
11
10
9

9

8

8

7

7

6

6

5

5

4

4

3

3

2

2

1

1

VLNB

+5V(TUNER)

IF/BW
VT(28V)

RF-EN
S-CLOCK
S-DATA

C401

1000uF/10V

+

C400

100nF (opcional)

BANDA BASICA

R402
47R

L400

56uH

R401

39R

R403

47R

C402

10nF

C404

330pF

L401

2,2uH

C403
270pF

C406

180pF

2,7uH

C405
680pF

L402

R404

100R

C407
330pF

R405

2K2

R406

470R

R407

2K2

C408
100nF

Q405
BC 547

Q407

BC 547

Q406

BC 547

C409

100nF

R408

220K

+12V

R410
3K9

Q408

BC 547

R411
4K7

R409

5K6

+12V

R413
150R

MODULADOR

+

C410
100nF

R416

150R

Q409
BC 547

Century Electro-Electronics

TÍTULO:
PRODUTO: COD.: REV.:
PLACA: COD.: REV.:
DESENHADO POR:
DOC.: REV.:

C:\RECEPTORES\USR1700\10-02-015\ESQUEMA\USR1700-012-00.DSN

Circuito de Video do USR1700

DATA:

10.02.015

26.10.012USRFX
05/12/00
00

USR1900

Luiz Eduardo

130

APROV.:
PAG.:

00

1997

4/4