SERWIS

ELEKTRONIKI

Baza

Porad

Ser

wisow

ych

TIP

R70 10

RING

ZNR1

270V

D1-D4

4×1N4004

R7

100

R6

47

ZD2

2V7

LED1

HOLD

3

2

1

U1

UM66T

C2

100n

C1

1µ

R1

6k8

D16-D19

4×1N4004

ZD7

27V

C37

22µ

R96 9k1

R2

150k

C38

µ47

U4

KA2411

1

8
7
6

5

4

3

2

R3

75k

C39

4n7

LOW

R5

4k7

OFF

SW1

HIGH

R4
270

D20

1N4148

BUZ1

BUZZER

R111

47k

SW11

H.F.

C7

100n

Wersja1

A

D26

1N4004

Do SW11

R19

1M5

R102

470

ZD10

16V/1W

C101

1µ

R1(3)

R2(4)

R3(5)

R4(6)

R5(7)

1

2

3

4

5

6

7

8

9

*

0

#

FL

ST

RD

M5

M4

M3

M2

M1

M10

M9

M8

M7

M6

M11

M12

M13

M14

M15

M16

M17

M18

M19

M20

C1(22)

C2(23)

C3(24)

C4(25)

C5(26)

C6(27)

C7(28)

C8(1)

VCC

R64

1k5

LED2

H.F.

C30

47µ

C31

1µ

R65

1M

R66

1M

C32

1µ

C33

4µ7

C34

10n VR1

VR50KB

R71

6k8

R68

30k

SP1

C36

47µ

R67

4k3 C35

100n

15

28

19

26

SKO

RRX
SKI

RXO

CP2

RLO

TLO

VCC

ACF

CP1

SKG

GND

RT
X

RR

AGC
VB
VLC

XDC

MCI

VZ

CS

TLI

TXO

TXI

XDI

MCO

RLI

RXI

U3 MC34018

1

2

22 14 11 25 20 6

8

12

17

21
24
23

9

16 18 5

4

3

13 10 7

27

C29

4µ7

C28

47µ

R63

100k

R61

30k

R62

91k

R60

100k

C27

4µ7

R86

68k

R85

1k8

R100

4k7

R57

1k5

Q18

C1815

MIC1

WM-034CY

C45

47µ

C24

68n

C25

1µ

R58

100k

SW12

MUTE

C41

2µ2

C43

1µ

Q8

C1815

R27

220k

R28

100k

R56

33k

R33

220k

C23

100n

C22

68n

R55

2k2

R54

3k3

R93

2k7

C20

100n

C21

68n

C19

100n

R52

47k

R53

2k2

C14

22n

R43

10k

R34

100k

Q10

C1815

R35

220k

R59

100k

Q17

C1815

C40

2µ2

Q11

C1815

MIC2

34C5R

D23

1N4148

D22

1N4148

C11

22n

R42

3k0

R44

22

C12

33n

Q13

BC337-25

R76

0

R40

750

R81

10k

R41

18 VCC

R77

91k

R38

24k

R39

20k

R82

6k8

C49

470p

Q21

C1815

R83

4.7

C44 15n

Q12

C1815

R37

2M

C47 470p

Q20

C1815

R84

12k

Q19

C1815

C50

10n

R92

220k

C13

220µ

R51

100k

R31 3k6

R80

20k

R91

100k

VZ

R46

10k

R48

330

Q16

2SA1015GR

Q15

C1815

R49

560

C16

47µ

SP2

DR-904

R47

1M

SW2/B

VZ

C18

1000µ

ZD6

8V2

Q23

9014

R113

8.2

R112

10k

C111 22µ

D30

1N4001

ZD8

16V

D24

1N4148

R78

1k2

VZ

D11

1N4148

C8 100n

D12

1N4148

R30

1M

BT1

4.5V

ZD3

4V7

R17

2k

R29

470k

C48

22n

Q6

C1815

R22

470k

R20

2k2

C5
µ1

SW2/A

R15

3M9

D5

1N4148

R16
470k

D6 D7

2×1N4148

Q4

HMPSA92

R21

220k

R18

82k

C53

22n

Q2

MPSA92

R10

100k

SW10

HOLD

R11

100

R14

6k8

R13

10k

R12

47k

C3

10µ

R8

15k

D8

1N4148

C4

1µ

Q3

MPSA42

R9

82k

R23

47k

HMPSA42

Q5

R89

100

D25

1N4148

ZD9

5V6

Q7

2SA1015GR

R25

11k

R26

4k7

D10

1N4148

D9

1N4148

X1

3.58MHz

C52

33p

C51

33p

SW3

T/P

P

T

C6

220µ

16

17

18

19

20

21

22

23

24

25

VZ

U2

1 28 27 26

2
3

4

5

6

7

8

9

10

11

MODE

HFI

M/B

HKS

R5

R4

R3

R2

R1

STS

C4

C3
C2

C1

PO

HFO

XMUTE

TONE

HDI

HDO

OSCI

OSCO

VDD

VSS

12 13 14 15

HM9122A

C8

C7

C6

C5

R36

33k

C46

10n

A

C26

47n

VZ

Rys.1. Schemat ideowy aparatu telefonicznego C-878 firmy CYFRAL.