Century FX1000R-030-00, FX1000R Schematic

ESQUEMA ELÉTRICO DO RECEPTOR FX 1000 – 030 – 00

REV. DESCRIÇÃO APROV. DATA

ACRÉSCIMO:

01

AC ~ 110/220V

.

TRANSFORMADOR

10+10V-SECUNDARIO

TUNER TBWU18120IN

.

VLNB

VLNB

Correção do R304, D305 e PTC no esquema elétrico

C302

+

47uF/25V

U302

CON

3

3

2

2

1

1

D302

-+

D300

D301D303

10,3V

+

SDA

J391

JUMPER

+

C307

1000uF/16V

J313

JUMPER

J314

JUMPER

1000uF/16V

U305

.

.

NC

NC

NC

C305

.......

+5VBBB / WVTSCL

C311
100nF

SDA

SCL
VT

D304

1N4007

C301

2200uF/35V

1

BW

+5V

U300
7805

17,5V

D306

VT

+

C306

47uF/25V

VT

R305

3K3

ZENER 18V

21,5V

+

+

C321

1

1000uF/35V

(OPCIONAL)

1

3

2

C312
100nF

BB

+

+

C303
1000uF/16V

C320

1000uF/35V

(OPCIONAL)

+5V

C310
100nF

14/03/01

PTC

250mA(opcional)

1 2

t

R304

4R7 5W

U301
7812

1

2

C323

+

1000uF/16V

3

C304

100nF

SKEW

R380
4K7

C300
100nF

D305

1N4007

+12V

POWER

JUMPER

J300

R335

4K7

VLNB

R303

D307
1N4007

1K

R334

+12V

R320

47R

Q303
BC547

+5V

R336

4R7

1000uF/16V

Q304
2N3904

1K

Century Electro-Electronics

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

C:\RECEPTORES\FX1000R\10-02-060\ESQUEMAS\FX1000R-030-00.DSN

Fonte do Receptor FX1000R Versão STV

FX1000R

Luiz Eduardo

130

DATA:

C347

R338
100R

1

1

U341

K301

+

10.02.060

26.10.030FX1000R
13/03/01
01

2

2

APROV.:
PAG.:

110/220 Vac

}

U306
BARRA TRIPOLAR

.

.

P

+5V

00
00

1/3

.

GND

ESQUEMA ELÉTRICO DO RECEPTOR FX 1000 – 030 – 00

+12V

J192

R129
150R

Q103
BC547

+

R127
100R

R131
10K

C143

+

10uF/25V

1,633 V

0,99 V
4,73 V

+12V

Q102
BC547

R126

3K9

R130
1K

J190

JUMPER

4,03 V

R100

10K

1
2
3
4
5
6
7
8

9
10
11
12
13
14
15
16
17
18
19
20
21 22

C104
100nF

JUMPER

U102

FC R
PK IN
SUM OUT
VOL R
S1 VID OUT
S2 VID OUT
VOL L
S2 VID RIN
S2 OUT L
CLAMP IN
S2 OUT R
UNCL DEEM
22KHz
V 12V
VID EEM1
VGND
B-BAND IN
S2 RIN L
S2 RIN R
FM IN
AGC L SCL

A GND R

FC L

PK OUT

Iref

CPUMP R

U75 R
DET R

AMPLK R

A 12V
VREF

AGND L

AGC R

AMPLK L

U75L

DET L

STV0042

CPUMP L

GND 5V

Vdd 5V

XTL

SDA

5,70 V

C103

42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23

SDASCL

R98

560K

C127

100nF

2,43 V

C121
22pF

X100
8MHz

2,46 V

+5V

2,395 V

+

C122
3,3uF/25V

C136

22pF

R163

150R

PSAT/TV

R101
100R

MODULADOR

U104

+5V

Q101

2N3904

J102

JUMPER

VIDEO IN
AUDIO IN

GND

4

+5V

U103

AUDIO

1
2
3

...

GND

VIDEO

10,55 V

47uF/25V

R132

560R

R133

560R

C145

R110

22K

C137

22pF

R109

180K

R108

82K

C138

10nF

R116

47K

+

C139

47uF/25V

R106

75R

C109

10uF/25V

3,3V

+

J101

JUMPER

C113
270pF

R99
1K8

L102

2.2uH
C114

330pF

R105
5K6

R104

10K

C115
680pF

L103

2.7uH
C116

180pF

C110

150pF

2,93 V

C117

330pF

R107

470R

C118

10nF

C107
100nF

C105

+

47uF/25V

+

BB

J104

JUMPER

C106

47uF/25V

10nF

R103

10K

R102

1K

+12V

+

C119
47uF/25V

C121

22pF

Century Electro-Electronics

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

C:\RECEPTORES\FX1000R\10-02-060\ESQUEMAS\FX1000R-030-00.DSN

Circuito de Audio do FX1000R Versão STV

FX1000R

Luiz Eduardo

130

DATA:

10.02.060

26.10.030FX1000R
13/03/01
01

APROV.:
PAG.:

00
00

3/3