Sony R501PC service manual IC701 SC111257FCR2

MZ-R501/R501PC

IC701

SC111257FCR2

CPAIP

CPAIM

CPBIP

CPBIM

CPAO

CPBO

VM3

RO3

PGND3

FO3

VM34

RO4

PGND4

FO4

42 41

40 39

38

37

36

35

34

33

32

31

30

29

–

28

VM4

+

VC

VG

VC VG

–

PRE DRIVER

PRE DRIVER

+

VG

VC

PGNDW

43

H-BRIDGE

VC

H-BRIDGE

VC

WO

44

CONTROL

CONTROL

VMVW

45

DRIVER

27

RI4

VO

46

26

FI4

PRE

PGNDUV

47

25

RI3

24

FI3

UO

48

VG

23

VG

VMU

49

VC

22

VC

VC

GND2

50

21

GND1

BIAS

CPWI

51

–

20

PWM24

+

CPVI

52

19

FI1

–

18

RI1

+

17

FI2

CPUI

53

–

16

RI2

COM

54

+

VC

VC

H-BRIDGE

H-BRIDGE

CPWO

55

CONTROL

CONTROL

CPVO

56

VC

VG

VC VG

VC

3PHASE

PRE DRIVER

PRE DRIVER

CONTROL

15

VM2

1

2

3

4

5

6

7

8

9

10

11

12

13

14

CPUO

WI

VI

UI

PWM

OE

VM1

RO1

PGND1

FO1

VM12

RO2

PGND2

FO2

40