Sony MZ-N1 service manual

MZ-N1

6-3.

BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section –

F

RMC KEY

VB

(Page 31)

VRMC

7

HEADPHONE AMP (IC302),

RMC KEY 116

4

XWK3

MOTOR/COIL DRIVER (IC551)

FS4 211

56

CLK

B+

CLK SEL 64

52 CLK SEL

FFCLR 89

54

FFCLR

CLK

SLEEP 88

55

SLEEP

SYSTEM

D

VLON 85

1

VLON

CONTROL

XWK1

POWER CONTROL

(Page 30)

WK DET 113

2

XWK2

IC901

REC KEY 114

3

S803

XWK4

HALF LOCK SW 115

5

RECHARGEABLE

VAIFON

S806

53

BATTERY IN

VL

L904

VL

DETECT

D803

OPEN

VG B+

10 VLO

9

LASER APC CIRCUIT

REGURATOR

VL

48 XGUM ON

SWITCHING

B+

11

VREF

BANDGAP

D902

L902

Q906

49

L2

D804

SWITCHING

SDO0, SDI0, SCK0

REFERENCE

12

E

SYSTEM CONTROLLER

STEP-UP

REGURATOR

L2

VG

DTC2

16

L905

VIF

(Page 31)

IC801 (3/3)

24

PRE DRIVER

MOTOR/COIL

ADC (IC301),

25

DTC1

RF2

&

B+ SWITCH

DRIVER (IC551)

RF AMP (IC501),

PWM

D903

VG

B+

MOTOR/COIL DRIVER (IC551),

Q907

VB B+

STEP-UP

19

VC B+

L906

11

SYSTEM CONTROLLER (IC801),

B+ SWITCH

B+ SWITCH

DC/DC

LG

18

SD0

SDO0

EEPROM (IC802, 803) B+

VG B+

CONVERTER

Q904, 905

Q902

VGFB

12

SDI0

20

SI0

13

SCK0

VCOUT

SCK

VD

L907

DC/DC

VIF

15

B+ SWITCH

42

SYSTEM CONTROLLER

RST

102

LCD RST

SYSTEM CONTROLLER

CONVERTER

9

Q903

(IC801) B+

STB

68

LCD STB

(IC801) B+

D905, IC902, Q901

8

VA

SERIES

VC2

L801

CS

67

XCS LCD

16

PASS

45

CS RTC

70

CS RTC

ADC (IC301),

VA

41

REGULATOR

5

XWK1

SYSTEM CONTROLLER

(IC801) B+

D904

VOFB

REC

3

VC

39

HEADPHONE AMP (IC302),

VC

VD PWM 32

MIC AMP (IC303),

L903

VCO

36

SYSTEM CONTROLLER (IC801),

35

REGULATOR

VC

RESET

34

VA B+

REMOTE CONTROL CIRCUIT

SWITCH

VB B+

B+

22 INM2

SWITCH

L901

Q801

VL PWM 30

VCOUT

33

NOISE

23 RF2

PAUSE

2

82 PAUSE KEY

SWITCHING

L1

32

D901

FILTER

26 INM1

REGULATOR

L1

VC PWM 31

28

B+ SWITCH

6

NOISE

27 RF1

VB

50

REC LED

61 REC OPR LED

Q908, 909

FILTER

XRST

RESET SIGNAL

STEP-UP

XRST 104

46

VOLTAGE

GENERATOR

PRE DRIVER

SET KEY 1

4

109 SET KEY 1

VRECO

CRST

DTC1

&

VB

SWITCHING

DETECTOR

DRY BATTERY

17

47

PWM

6

IC903

SET KEY 2

110 SET KEY 2

OVER WRITE HEAD

SIZE “AA”

DRIVE (IC601) B+

VC

Q910, 911

IEC DESIGNATION

VRECO1

L1 1

R6

JOG A

7

VREC

L602

10

SWITCHING

11

L601

1PC. 1.5V

VRECO2

19

78 JOG A

OVER WRITE

15

REGULATOR

L1 2 14

B+ SWITCH

JOG B

79 JOG B

HEAD DRIVE

Q603

CIRCUIT

L603

CHG LED

20

B+

16

VREC

STEP-UP DOWN DW BT

98 CHG LED

22

SWITCH

PRE DRIVER

10

VREC PWM 29

19

INM1

&

DW TP 21

CHARGE

(BATTERY CASE)

BACKUP

+

–

+

PWM

VIO

8

VIF B+

RECHARGEABLE

NOISE

RF1

VC2 26

WAKE UP

20

VC

9

VC B+

CHARGE

D603

BATTERY

SWITCH

FILTER

VG 36

VG B+

CONTROL

NH-14WM

VA B+

Q607

Q602 (2/2)

1.2V 1350mAh

RF2

14

DVDD

VA B+

49

18

USBIFVDD

BATTERY

UNREG

VB B+

B+ SWITCH

INM2 48

CN601 (2/2)

SYSTEM CONTROLLER

CHARGER

(IC801) B+

Q804

VOLTAGE

&

INP2 47

USB CRADLE

POWER

SWITCH & LCD

DETECTOR

REGULATOR

RS 46

CHARGE

CONNECTOR

MUDULE

IC603

CONTROL

CONTROL

IC601 (2/2)

Q602 (1/2)

CHG SW

1

DC-IN

CHARGE

45

CONTROL

2 VBUS REG

TH602

S801

VB 43

CHGMON

CHARGE

3 VB

HOLD

77 XHOLD SW

CHG MON 107

51

MONITOR

BATM 44

OFF

D612

6 GND

HOLD

CHG GAIN 90

54

GAIN

SYSTEM

DREG 56

VIF

USB CRADLE

CHG

CONTROL

DETECT

CHG CTL 91

55

(2/2)

B+

LINE

TH601

S804

39 OPEN CLOSE SW

DCIN 50

FILTER

OPEN/CLOSE

T601

DETECT

HIDC MON 112

GROUND

S802

83 PROTECT

J601

LINE

DC IN 3V

PROTECT

D604

SWITCHING

DETECT

Q601

–

+

GND SW 66

S805

97 T MARK SW

VB MON 106

VB B+

T MARK

VBUS DET 111

SL801

146 XTEST

STAND DET 105

(TEST)

32

32