Sony MX-E501 service manual IC Block Diagrams, IC301 TA2131FL EL

MZ-E501

6-7. IC BLOCK DIAGRAMS

IC301 TA2131FL (EL)

	STB	MUTE	BST SW	BEEP IN	GND	VREF IN
	18	17	16	15	14	13
	PW	MT	BST	BEEP		V REF	12	VREF
	SW	SW	SW
							11	LPF1
TC MT	19
VCC	20			ADD
INR
	21						10	BST NF1
						BST1
INL	22						9	LPF2
BEEP	23	PW	PW		BST2		8	BST NF2
OUTB		A	B
BEEP							7	BST OUT
	24
OUTA

BST

AGC

1

2

3

4

5

6

+B

OUTL

PWR

GND

OUTR

DET

AGC IN

IC551 SC111257FCR2

CPAIP

CPAIM

CPBIP

CPBIM

CPAO

CPB0

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

PGNDW

VC VG

PRE DRIVER

PRE DRIVER

43

WO

44

VC

VC

VMVW

45

DRIVER

H-BRIDGE

H-BRIDGE

27

R14

CONTROL

CONTROL

26

F14

VO

46

PGNDUV

47

PRE

25

R13

UO

48

24

F13

VMU

49

VG

23

VG

GND2

50

VC

22

VC

CPW1

51

21

GND1

CPV1

52

20

PWM24

19

F11

CPU1

53

18

R11

VC

VC

COM

54

H-BRIDGE

H-BRIDGE

17

F12

CONTROL

CONTROL

16

R12

VC VG

VC VG

CPWO

55

VC

PRE DRIVER

PRE DRIVER

3 PHASE

BIAS

CONTROL

CPVO

56

15

VM2

1

2

3

4

5

6

7

8

9

10

11

12

13

14

CPUO

W1

V1

U1

PWM

OE

VM1

RO1

PGND1

FO1

VM12

RO2

PGND2

FO2

23