SERWIS

ELEKTRONIKI

Baza Porad Serwisowych

AM

OSC

AM

MIX

FM

MIX

FM

IF

2

4

5

6

7

8

9

13

14

15

16

17

18

11

12

10

FM

OSC

TUN

LED

FM

DET

AGC

AM

IF

AM

DET

AF

AM

P

LIMITER

BAND

S/W

A

M

R

F

IN

FM R

F O

U

T

V

FM

O

S

C

AM OSC

DE

T O

U

T

BAND S/W

AGC

QUAD DET

CC1

AM IF IN

TUN LED

GND2

FM IF IN

V

AM MIX

FM MIX

GND1

FM RF IN

CC2

3

TDA7227

1

FM

RF

BFP

1

2

3

4

5

6

7

8

9

18

17

16

15

14

13

12

11

10

AM RF IN

FM RF OUT

V

FM OSC

AM OSC

DET OUT

BAND S/W

AGC

QUAD DET

FM RF IN

GND1

FM MIXER

AM MIXER

FM IF IN

GND2

TUN LED

AM IF IN

CC1

CC2

V

TDA7227

Rys.34. Opis wyprowadzeñ, schemat blokowy i aplikacja uk³adu scalonego TDA7227.