MZ-B10

IC701 SC111258EPR2

 

UI1

PWM1

 

56

55

 

 

VC

VI1

1

3Phase

WI1

2

control

ch1

 

 

VG VC

PGNDW1

3

 

WO1

4

 

WMVW1

5

 

 

 

3Phase

VO1

6

Pre driver

ch1

 

 

PGNDUV1

7

 

UO1

8

 

VMU1

9

VG VC

VMR1

10

 

RO1

11

 

PGND1

12

H-BRIDGE

PRE

 

 

DRIVER

FO1

13

CH1

 

VMF1

14

VC

 

 

 

H-BRIDGE

 

 

CONTROL

 

 

CH1

CPUO1

54

OE

VGVC

U

CPVO1

CPWO1

VG

VC

GND1

OE

CPWO2 CPVO2

53

52

51

50

49

48

47 46

 

 

VG

 

VC

VC

 

 

 

 

 

 

BIAS

 

 

 

 

 

 

OE

 

 

 

 

 

 

ROE

 

GND

VGVC

VGVC

VCVG

VCVG

V

W

U

V

 

 

OE

 

CPUO2

45

VC

3Phase control ch2

VC VG

3Phase

Pre driver

ch2

VC VG

H-BRIDGE

PRE

DRIVER

CH2

VCVG

W

PWM2

UI2

 

44

43

 

 

42

VI2

 

41

WI2

 

40

PGNDW2

 

39

WO2

 

38

VMVW2

 

37

VO2

 

36

PGNDUV2

 

35

UO2

 

34

VMU2

 

33

VMR2

 

32

RO2

 

31

PGND2

 

30

FO2

 

29

VMF2

 

VC

 

H-BRIDGE

CONTROL

CH2

15

16

17

18

19

20

21

22

23

24

25

26

FI1

RI1

COM1

CPUI1

CPVI1

CPWI1

GND2

NC

CPWI2

CPVI2

CPUI2

COM2

27 28

RI2

FI2

45

Page 45
Image 45
Sony MZ-B10 service manual IC701 SC111258EPR2