SERWIS

ELEKTRONIKI

Baza Porad Serwisowych

BC238

X0

X1

X2

X3

Y0

Y1

Y2

Y3

GND

VEE

UZ

Y

X

B
A
INH

MCY74052

12

14

15

11

1

5

2

4

6

10

9

13

3

16

7

8

100µ/25V

470µ/25V

470µ/25V

1000µ/16v

10µ/25V

10k

1µ/63V

1µ/63V

10µ/40V

BC308

10k

BD136

10k

10k

100k

BC238

BC238

1k

BC238

BC238

10k

1k

10k

1k

154−1%

2k05−1%

6k19−1%

10k

10k

1k33−1%

154−1%

1k

1k

10k

10k

10k

BC238

2.2

1k

+12V

1µ/63V

+12V

+12V

1µ/63V

+33V

+5V

75

+5V

+5V

10k

WY

WE

3

2

1

LM317

BC238

150

SD

A

SCL

1

2

3

4

5

SD

A

+5V

+5V

1µ/63V

1µ/63V

100k

15k

100k

100k

1µ/63V

1µ/63V

100k

BC238

+12V

CVBS

DA

C0

DA

C1

DA

C2

DA

C3

DA

C4

DA

C5

DA

C6

DA

C7

A0

A1

A2

SCL

SD

A

UZ

UREF

GND

TDA8444

9

10

11

12

13

14

15

16

5

6

7

8

2

1

3

4

100n

12

34

100n

470n

100n

100n

22µ

SDA

SCL

22µ

47

BC238

+12V

1µ/63V

VEE

GND

UZ

Z

Y

X

A

B

C

X1

Y0

Y1

Z0

Z1

INH

X0

MCY74053

12

13

2

1

5

3

6

11

10

9

7

8

16

4

15

14

1

BZP683C30

47µ/25v

+5V

75

100n

100n

WY

WE 3

2

1

LM317

10k

1µ/63V

100k

100k

1µ/63V

+5V

15k

10µ/40V

10k

10k

3k3

BC238

BC237

100k

12

34

BC238

BA

VP18

1 3 5

9 11 13 15 17 19 21

20

18

16

14

12

10

8

6

7

4

2

PERITELE2

1 3

5

7

9 11 13 15 17 19

21

2

4

6

8 10 12 14 16 18 20

CVBS

10k

BA

VP18

15k

+12V

470n

BASEB

15k

3k3

GND2

OUT−L

OUT−R

+5V

GND

IN−R

IN−L

GND1

TDA7050

1
2
3
4

567

8

+12V

SCL

+5V

SDA

TP2

TP1

CS

GND

TP3

1

2
3
4

5

6

7

8

SDA2546

A

14/18V

10k

47µ/16v

1

10µ/25v

SCL

1µ/63V

1µ/63V

SCL

SCL

SD

A

SD

A

+5V

12

345

67

A

14/18V

1000µ/16V

+12V

100n

10µ/25v

BASEB

1k

OUTREC

IN2

SEL

IN1

OUT

GND

+12V

1

2

3

45

6

7

8

TD

A5850

33k

GND

GND

GND

GND

GND

GND

GND

BASEBOUT

DEEMFAZA

SOUND1

SOUND2

SOUND3

SOUNDEEM

SDA

SCL

+5V

CVBS

VIDEO

EXTERNAL

BSBGAIN

BASEBAND

+12V

SOUNDEEM

MODUŁ

PR

OCESORA

SA

TELIT

ARNEGO

26

28

23

5

3

22

1

2

4

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

25
24

27

29

1µ/63V

1k

+33V

+12V

100k

10k

47µ/16V

+145V

+16V

+5VST

GND

+25V

ON/OFF S

SD

A

SCL

Q

SCL

SD

A

Z

Y

W

U

T

S

LNC A
LNC B

P5
AFC

P7
+12V
U

VAR

+5V
P3:ADSW
SCL
SDA

BASEBAND

AGC

GND

T1107

U1101

C1120

C1133

C1134

C1119

C1112

R1107

C1103

C1102

C1123

T1109

R1103

T1119

R1117

R1102

R1112

T1113

T1117

R1101

T1101

T1118

R1114

R1145

R1144

R1138

R1155

R1159

R1156

R1176

R1180

R1178

R1179

R1177

R1175

R1154

R1146

R1147

T1105

R1181

R1105

C1110

C1111

R1164

R1113

U1106

T1104

R1161

W1108

C1129

C1109

R1166

R1173

R1168

R1172

C1130

C1128

R1165

T1106

U1103

C1132

W1104

C1118

C1135

C1121

C1116

DL1100

DL1101

R1100

T1100

C1131

U1100

G1104

D1102

C1104

R1108

C1107

C1126

U1104

R1115

C1124

R1109

R1110

C1125

R1174

C1122

R1104

R1106

R1163

T1102

T1112

R1183

W1102

T1103

D1100

G1101

R1119

D1101

R1171

C1136

R1167

R1162

U1105

U1102

R1124

C1127

G1103

C1106

C1115

C1113

W1103

C1114

C1100

C1105

R1120

U1107

R1182

PS−2000

C1108

R1121

R1111

R1122

C1137

SXT2032A

Rys.5. Schemat ideowy modu³u bazowego MB-2000.