Sony R501PC service manual IC601, IC901

MZ-R501/R501PC

IC601

XPC18A22FCR2

VRECIN1

OUTA

PGND2

PGND2

OUTB

VRECIN2

VG

HB

PGND3

HA

VG3

C2H

C2L

VG2

42

41

40

39

38

37

36

35

34

33

VG3

32

31

30

29

VGC

VG

VG2

VG3

VC2

VG

OUTPUT SW

OUTPUT SW

CHARGE

CHARGE

28 C1H

VC VG DC IN

PUMP 2

PUMP 1

27 C1L

VC

VC2

VC

HI-BRIDGE

EFM

VB 43

CHARGE

26

VC2

PRE DRIVER

PRE DRIVER

MONITOR

VREF

25

VREF

BATM

44

X2/X4

VG3

BUFFER

DC IN

CONTROL

CONTROL

24

CVREF

CHARGE

23 GND

CHGSW 45

22 DW BT

CONTROL

DC IN

21 DW TP

RS 46

BATTERY

VC

20

RF1

INP2 47

CHARGER

VC AMP

19

INM1

INM2 48

&

18

INP1

RF2

49

REGULATOR

VG2

VC

17

DTC

DCIN

50

DC IN

CHGMON 51

VC

PWM

16

VREC

DC IN

VG

SYSTEM

DC IN

DC IN

SET-UP DOWN

SVREF

52

PRE DRIVER

BANDGAP

DETECT

GND 53

VIO

SW

GAIN

54

LEVEL

CHG 55

SHIFT

OUTPUT SW

15 VRECO2

DREG 56

VIO

VC

1

2

3

4

5

6

7

8

9

10

11

12

13

14

SW

RECON

OE

CLK

RI

FI

EFM

VIO

VC

VRECO1

LI 1

PGND1

PGND1

LI 2

IC901

XPC18A32FCR2

VIF

VA

VAFB

VDFB

VIFFB

GND

VC

VCO

VC

VC OUT L1 NC

PGND1

PGND1

42

41

40

39

38

37

36

35

34

33 32 31 30 29

NC 43

OUTPUT

OUTPUT SW

28

L1

SW

VD

44

SERIES PASS

SERIES PASS

SERIES PASS

VC

OUTPUT SW

VG

VC2

45

REGULATOR VA

REGULATOR VD

REGULATOR VIF

POWER

+

27

RF1

–

SWITCH 1

VC

VC

VC

26

INM1

STEP-UP

PWM

PRE DRIVER

25

DTC1

XRST 46

OUTPUT SW

CRST 47

VC

24

DTC2

RSTREF

48

BANDGAP

+

23

RF2

REFERENCE

–

VREF

49

VG

22

INM2

VB

VC

VB

50

PWM

21

PWM1

GND

51

VC

VG

VG

VG

VSTB

VC

VB

POWER

STEP-UP

20

PWM2

CLKSEL

52

SWITCH 2

PRE DRIVER

VB

VB VC VG

VAIFON

53

SYSTEM

STEP-UP

19

VG

FFCLR

54

OUTPUT

CONTROL

START-UP

DC/DC

18

LG

SLEEP 55

SW

VSTB

CONVERTER

17

PGND2

CLK

56

OUTPUT SW

16

L2

15

NC

1

2

3

4

5

6

7

8

9

10

11

12

13

14

VLON

XWK1

XWK2

XWK3

XWK4

VSTB

VRMC

GND

VL

VLO

VL

L2

PGND2

PGND2

41