Century USR1700 Schematic

TRANSFORMADOR

.

AC ~ 110/220V

D14

D13

D11

-+

D12

+

C11

3300uF/16V

C12
100nF

+5V

U11

7805

Q11

C14
100nF

KIA1273

R11

330R

+5V(TUNER/MOD)

1

2

3

C13

220uF/16V

+

USR1700-FONTE

PLACA SPX2000R-C

D18

D17

D22 D19

D15

-+

D16

-+

D20D21

+

C15

2200uF/35V

D23

1N4148

+

C20

1000uF/50V

C16

100nF

U12

7812

1

U13

LM317

1

R19

1K

D25

ZENER 27V

R13
47K

R18
47K

R12

10K

PSI

XC50

POWER(ON/OFF)

LNB(13/18V)

C19
100nF

R17

10K

V/H

Century Electro-Electronics

TÍTULO:

PRODUTO: COD.: REV.:

PLACA: COD.: REV.:

DESENHADO POR:

DOC.: REV.:

C:\RECEPTORES\USR1700\10-02-011\ESQUEMAS\USR1700-00.DSN

Circuito da Fonte do Receptor USR1700

USR1700

Luiz Eduardo

130

DATA:

10.02.011

SPX-2000RUSR1700

15/11/00
00

APROV.:

PAG.:

00

C

1/5

Q12

C3198

3

2

3

2

C23
100nF

+

R14
240R

+

100uF/35V

+12V

C17

100uF/16V

C22

R15

2K4

R16

VT 28V

D24

1N4007

1K

Q13

C3198

REV. DESCRIÇÃO APROV. DATA

USR1700-MICRO

OSC

R310

5K6

C303

10nF

N/W

SKEW
SAT\TV

C/Ku
RE-EN
SDATA

SCLOCK
AUD-EN
VOL-EN
MUTE

R321
5K6

R322

1K

R311

5K6

C304

10uF/16V

R319

5K6

+

C305
10nF

R312

5K6

R301

5K6

R320
47R

Q301

C3198

R302

5K6

R303

5K6

KIA1266

Q302

R304

5K6

+5V

R305

5K6

R325
470R

R324

10K

R306

5K6

IF/BW

+5V

R307

5K6

R323

4K7

RX301

PLACA SPX2000R-C

DISP101

2

10.02.011

SPX2000RUSR1700

15/11/00

00

8

DIG3

+5V

+

3

Q305
KIA1266

1

C301

220uF/10V

DIG4

6

2

APROV.:

PAG.:

3

1

C

Q306
KIA1266

C308
100nF

00

2/5

+5V

SW103

POWER

SW102

CH UP

SW101

CH DOWN

U301

40
31
19

18

9

20

12
13
14
15

1
2
3
4
5
6
7
8

R327

47R

R326
47R

+

321

47uF/16V

321

IRS

80C51

VCC
EA/VP
X1

X2

RESET
GND

INT0
INT1
T0
T1

P1.0/T2
P1.1/T2X
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7

C306

U302

1

1

2

2

24C04

3

3

4 5

45

+5V

39

P0.0

38

P0.1

37

P0.2

36

P0.3

35

P0.4

34

P0.5

33

P0.6

32

P0.7

21

P2.0

R331 560R

22

P2.1

R330 560R R335 4K7

23

P2.2

R329 560R

24

P2.3

R328 560R

25

P2.4

26

P2.5

27

P2.6

28

P2.7

17

RD

16

WR

29

PSEN

30

ALE/P

11

TXD

10

RXD

50u/J17

7

7

8

8

6

6

R318220R
R316220R

R360

1K

R361

1K

R362

1K

R349 100R
R348 100R
R347 100R
R346 100R
R345 100R
R344 100R
R343 100R
R350 100R

5K6

5K6

5K6

R313

R309

R308

+5V

+5V

R31710K
R31510K

C302
100nF

R339 4K7
R338 4K7
R337 4K7

11

A

7

B

4

C

2

D

1

E

10

F

+5V

4K7

5

G

3

.

DIG.1

DIG2

12

9

+5V

3

Q303

2

KIA1266

1

3

Q304

2

KIA1266

1

5K6

R314

D301

LED

R336

R334 4K7
R333 4K7

POWER

V/H

MONO/ST

Century Electro-Electronics

TÍTULO:

PRODUTO: COD.: REV.:

PLACA: COD.: REV.:

DESENHADO POR:

DOC.: REV.:

C:\RECEPTORES\USR1700\10-02-011\ESQUEMAS\USR1700-00.DSN

Circuito do Microcontrolador do USR1700

USR1700

Luiz Eduardo

130

DATA:

REV. DESCRIÇÃO APROV. DATA

USR1700-BANDA BÁSICA

15
14

13

12
11
10

9
8
7

TUNER

6
5
4
3

2
1

TUNER

U3

15
14

13

12
11
10
9
8
7

6
5
4
3

2
1

C126

10nF

VLNB

BANDA BÁSICA

IF/BW

VT(28V)
RF-EN
S-CLOCK
S-DATA

VR1

1K

+5V

C125

+

220uF/16V

R102

4K7

R101
470R

47uF/16V

C101

+

R100

47R

R104
470R

R103

22K

R108

680R

AUDIO-FM

Q101

C3198

R106

2K2

R107

100R

C104

220pF

R105
560R

Q102

C3198

R109
680R

R110

4K7

R111
330R

C106

+

47uF/16V

C107

+

47uF/16V

6

8

5

C\Ku

+

C105

100uF/16V

+12V

U101
NJM
2233BL

R112

PLACA SPX2000R-C

C102
10nF

R134

2

4

7

1K

C108

100nF

470R

R113

560R

R114
330R

C109

1000pF

Q103

C3198

R115
560R

R116

150R

Q109
C3198

R135
330R

R136

68R

L101

3,9uH

C113

220pF

C123

+

470uF/16V

L102

3,3uH

C115

220pF

C114

100nF

+

C103

100uF/16V

SAIDA DE BANDA BASICA

R137

47K

VIDEO

R117
150R

C116
150pF

Century Electro-Electronics

TÍTULO:

PRODUTO: COD.: REV.:

PLACA: COD.: REV.:

DESENHADO POR:

DOC.: REV.:

C:\RECEPTORES\USR1700\10-02-011\ESQUEMAS\USR1700-00.DSN

Circuito de Banda Básica

USR1700

Luiz Eduardo

130

DATA:

10.02.011

SPX-2000RUSR1700
15/11/00

00

APROV.:

PAG.:

00

C

3/5

AUDIO-FM

OSC

SDA
SCL
AUD-EN

AUDIO DEMODULADO

+12V

R201

220R

C240

+

10uF/16V

+12V

Q201
C3198

R234
18K

C234

100uF/16V

C201

10nF

1
2
3
4
5
6
7 8

R236

68K

R235

47K

R265

5K6

R266
1K5

+

C224
10nF

R202

360R

L201

3,3uH

C209

C210

33pF

33pF

XT201

11.160MHz

U202

14

1

14

13

2

13

12

3

12

11

LC7215

4

11

10

5

10

9

6

9

78

C242
47pF

R237

470K

C241

560pF

USR1700-AUDIO

PLACA SPX2000R-C

C203

L202

22uH

22pF

C202
150pF

+12V

R205

4K7

R206

1K

+

C216

C211

1uF/50V

10nF

R208

5K1

R209 10K
R210 10K

+5V

C217

10nF

U205D

+

C258

47uF/216V

12

+

13

-

LM324

R239

14

47R

R238
5K6

L203

3,9uH

R207

C244

10uF/16V

47K

D201
BB 809

+

C218

1000pF

R240
10K

C212

10nF

C204
120pF

R241

10K

+5V

F201

R212

47R

470R

10uF/16V

+12V

C256

+12V

Q202
C3198

C220

10nF

R213

220R

C246

+

10uF/16V

C267

+

1uF/16V

+

+

C207

47uF/16V

C205

10nF

R203
470R

C213

1000pF

L204

1,5uH

R211

100R

C208
10nF

C200
82pF

8

4

1

U204

NE612

2

7

6

3

Q206

C3198

R264

8

R243
1K

R204

47R

C214

47pF

R242

22K

C245

470pF

U205C

10

+

9

-

LM324

+12V

R216

123

10K

123

R217

4K7

R215

330R

R246

VOL-EN

10K

D202

1N4148

F203

R218

123

10K

123

R219
4K7

U203

1

1

2

2

3

3

4

4

TC9154

5

5

6

6

7

7

8 9

89

R226

10K

+12V

Q208
C3198

R270

360R

R267

470R

C221

100nF

R245
10K

SDA
SCL

MUTE

C228
10nF

10nF

R232

R248

10K

C222

10K

R223
360R

R233

2K2

+12V

+12V

R222

1K

D203

1N4148

R221

2K2

N/W

+12V

16

16

15

15

14

14

13

13

12

12

11

11

10

10

R247
470R

+

C230

47uF/25V

R268

10K

+

C259

10uF/16V

R271

10K

TÍTULO:

PRODUTO: COD.: REV.:

PLACA: COD.: REV.:

DESENHADO POR:

DOC.: REV.:

C:\RECEPTORES\USR1700\10-02-011\ESQUEMAS\USR1700-00.DSN

U200

KIA6003

KIA6003

123456789

R249

10K

Q207
C3198

123456789

+

C247

+

1uF/16V

R250

560R

+12V

R269
470R

VL201

C238

10uF/16V

C249

10uF/16V

Q209

C3198

R224

47R

123

123

C223
10pF

+12V

Q205

C3198

R244
470R

+

R251

10K

10uF/16V

Century Electro-Electronics

Circuito de Audio do USR1700

USR1700

DATA:

Luiz Eduardo

130

C226

47uF/16V

C260

+

10.02.011

SPX2000RUSR1700

15/11/00

00

+12V

C227

+

10nF

AUDIO DEMODULADO

C225

15nF

SAIDA DE AUDIO A

AUDIO MODULADOR

SAIDA DE AUDIO B

00

C

APROV.:

PAG.:

4/5

REV. DESCRIÇÃO APROV. DATA

VIDEO

R118

C117

+

47uF/16V

56K

R119

10K

R120

680R

R121

220R

+12V

Q104

C3198

R122

330R

C118

47pF

R123

15K

Q105

C1266

R124

1K

R140

47R

C129

100nF

C120

47uF/16V

C119

100nF

+

100uF/16V

+

C130

R126

3K6

R125

5K1

R128

1K

R127

4K7

Q106

C3198

R129

1K

Q107
1266

USR1700-SAIDA DE VIDEO

PLACA SPX2000R-C

+12V

C110

100nF

Q108

C3198

Q110

R130
470R

R131
150R

R138
180R

C3198

R132

68R

C121

+

470uF/16V

C122

SAIDA DE VIDEO P/ MODULADOR

+

220uF/16V

R133

47K

SAIDA DE VIDEO

TÍTULO:

PRODUTO: COD.: REV.:

PLACA: COD.: REV.:

DESENHADO POR:

DOC.: REV.:

C:\RECEPTORES\USR1700\10-02-011\ESQUEMAS\USR1700-00.DSN

Circuito de Video do Receptor USR1700

USR1700

Luiz Eduardo

130

DATA:

10.02.011

SPX2000RUSR1700

15/11/00
00

APROV.:

PAG.:

Century Electro-Electronics

00

C

5/5