Sony MZ-E10 service manual IC Block Diagrams

Page 30

MZ-E10

6-8. IC BLOCK DIAGRAMS

 

 

IC951 SC901582EPR2

 

 

 

 

 

 

CHG CTL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VI

IN1

 

WDT

PWT

 

 

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

24

23

 

22

21

20

19

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW6

 

 

 

 

 

 

 

 

 

 

 

 

 

VI

 

 

 

OSC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NSW4

 

 

 

 

 

 

 

CAP_C_LIM

1

 

 

 

 

 

TIME

 

 

 

VREF

 

 

18

RF1

 

 

 

 

 

 

 

 

 

DIVIDER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VI2DET

2

 

 

 

 

 

 

 

 

 

 

 

 

N1

19 GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW5

 

 

 

 

 

 

 

 

 

 

NSW3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LOGIC

 

 

 

 

 

 

 

A/D

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SIGNAL

17

I_CTL1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NSW1

 

RECEIVER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I_SEL

4

 

 

 

 

 

 

 

 

 

 

 

LOGIC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SIGNAL

16

I_CTL2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RECEIVER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N2

 

 

 

 

 

 

 

AD_SEL

5

 

 

 

 

 

 

 

VO

 

 

 

 

15 WK_DET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VI2

SW4

 

 

 

 

 

 

VREF

 

 

N3

 

 

 

 

 

 

 

VI2

6

 

 

 

 

 

 

 

 

 

 

 

 

14

PWR_WAKE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DELAY

 

 

 

 

 

 

 

VI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VREF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VCR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BATT

 

 

 

 

 

 

 

 

 

 

 

 

VOLTAGE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SEL

 

 

 

 

 

 

 

 

 

 

 

 

REFERENCE

 

 

 

 

 

 

 

VG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

8

 

9

10

 

11

 

12

 

 

 

 

 

 

 

 

 

 

 

 

 

VO

VBAT

 

IN2-

OUT2

 

BAT SEL

 

VG

 

 

 

 

 

 

 

IC901 SC901580EPR2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SLEEP

CLK

SEQSEL

WDT

SCK

STRB

DATA

HPI2

HPI1

MUTEON

GND

VHP1

 

HP1

PGND4

HP2

VHP2

 

 

 

 

 

64

63

62

61

60

59

58

57

56

55

54

53

52

51

50

49

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(VCC)

 

 

(HP AMP)

 

(VCC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AMP1

 

 

 

VC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FFCLR1

1

 

 

CONTROL

 

 

 

 

 

 

 

 

 

 

AM2

 

BANDGAP

48 VREF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REFERENCE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XWK4

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

47 REGC3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XWK3

3

 

 

 

 

 

 

 

 

 

REF1

DAC

 

 

 

 

 

 

46 REGC2

 

 

 

 

 

 

 

 

 

REF2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XWK2

4

 

 

 

 

 

 

 

 

 

REF3

REF

 

 

 

 

 

 

45 REGC1

 

 

 

 

 

 

 

 

 

REF4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REF5

 

 

 

 

 

 

 

 

 

XWK1

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

44 REGI1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SERIES PASS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VC2

 

 

VC2

 

 

 

 

 

 

 

VRMC

6

 

 

 

 

 

 

 

 

 

REF3

 

 

REGULATOR1

 

 

 

FFCLR

 

 

 

 

 

REF1

REF2

 

 

 

 

 

43

REGO1

 

 

 

 

 

 

 

 

 

 

 

 

 

VG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VC2

 

 

LVB

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

42 VC2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SERIES PASS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LVB

 

 

 

 

 

 

 

 

 

 

 

 

 

HVB

8

 

 

 

 

 

 

 

 

 

 

REF4

 

 

REGULATOR2

 

41

REGO2

 

 

 

DRIVER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VG

 

 

VSTB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

 

VC

XRST1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40 REGI3

 

 

 

 

 

VF1

 

 

 

VF2

 

 

 

SERIES PASS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XRST1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VC1 10

 

POWER

 

 

 

 

 

 

 

REF5

 

 

REGULATOR3

 

39

REGO3

 

 

 

 

XRST2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VCO1 11

 

 

AWITCH 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XRST1

 

 

 

 

 

38 CVIN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XRST2

 

 

 

 

 

VO1 12

 

 

 

 

 

 

 

 

 

 

 

 

 

AWITCH 2

37

VCO2

 

 

XRST1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SET-UP PRE DRIVER

 

 

 

 

 

 

 

 

 

 

 

SEQSEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L1 13

 

 

 

 

 

 

XRST1

XRST2

 

 

 

 

XRST2

 

 

36 VO2

 

 

 

 

 

 

 

 

 

 

XRST1

 

 

 

L1 14

 

PWM

VC

 

 

 

 

 

 

 

VC

 

 

 

 

 

 

 

 

 

 

 

START-UP

VB

 

 

 

 

SET-UP

PRE DRIVER

35 L2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PGND11 15

 

 

 

 

 

 

 

 

 

 

 

 

 

PWM

34 L2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SET-UP

 

 

 

 

 

 

 

 

 

VC1G 16

 

 

 

 

 

 

 

 

VC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DC/DC

 

 

 

 

 

REF2

 

 

 

33 PGND2

 

 

 

 

 

 

 

 

CONVERTOR

VG

 

 

 

 

 

 

 

 

 

 

 

VG

 

 

 

 

VG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VMODE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VB

 

 

 

 

 

 

 

VG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REF2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VF2

 

 

 

 

 

 

 

 

 

 

 

VF2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

 

 

 

30

 

RF1

INM1

DTC1

CRST1

XRST1

CIL

VG

LG

PGND3

VB

XRST2

CRST2

 

DTC2

INM2

RF2

VC2G

 

 

 

Image 30
Contents Specifications 874-219-01Diagrams Table of ContentsDisassembly GeneralSection Servicing Note Playing an MD Section GeneralSection Disassembly Panel Assy S, UpperMechanism Deck MT-MZE10-184 Power BOARD, Main Board Bracket AssyControl Board Optical PICK-UP Assy ABX-1ESSection Test Mode Setting the Test ModeTest Mode Structure Aaas 3F ManualLrefpw 3F Offj 3F000 FF KEY Check Mode000 000 rFF000 Res ResetRes OK? VarB1k862 88C6 Power Supply Voltage Adjustments862 88D3 FC 862 88C7 8D743 Vc2 742 Vc1Cls D ADJ OK Charge AdjustmentsChgV L ChgIOf026 ChgI LNvWrt CC 026 828AResume CD OKMO OK 043 ResPatch PatClr CCPatClr DD 023 8922Varsion Section Diagrams Block DiagramsSee page 25 for Notes Printed Wiring Boards Main /2Uses unleaded solder SemiconductorMain Board Unreg Group SCHEMATIzC Diagram Main /3 IY JYSCHEMATIzC Diagram Main /3 z See page 25 for Notes VO PWMWaveforms DigitalIC PIN Function Descrintion Pin No Pin Name DescriptionXslp MTR OP LPWM+ MAD4 IC Block Diagrams IC301 NJU8713V-TE2 IC501 SN761058ZQL Section Exploded Views Main Section18 33 126 Mechanism Deck Section MT-MZE10-184 M902 Not supplied M901Section Electrical Parts List MainChip Ceramic Main Power Control SWITCH, Tactile Memo Revision History

MZ-E10 specifications

The Sony MZ-E10, a compact MiniDisc player released during the height of the MiniDisc era, is renowned for its portability and impressive features tailored for audiophiles and casual listeners alike. Designed with user-friendliness in mind, the MZ-E10 weighs just 130 grams and fits easily into pockets or bags, making it the ideal companion for music on the go.

One of the standout features of the Sony MZ-E10 is its ability to record audio digitally, allowing users to contribute their own music to the MiniDisc format. This recording feature utilizes Sony's advanced ATRAC (Adaptive Transform Acoustic Coding) algorithm, which compresses audio without a significant loss in quality. This means that listeners can enjoy high-quality sound while optimizing storage space on their MiniDiscs.

The MZ-E10 supports various playback modes, including standard play and shuffle, enhancing the listening experience. Moreover, it boasts an easy-to-read LCD display that shows track information, battery life, and various playback settings. The user interface is straightforward, featuring tactile buttons that facilitate navigating through menus and playlists.

Battery life is another key characteristic, as the MZ-E10 can offer extended playback times with just a single AA battery. This efficiency is perfect for users who may be traveling or away from power sources for extended periods. To further enhance its functionality, the player features a line-in recording capability, allowing connection to external devices for capturing audio, such as recordings from vinyl or cassettes.

In terms of design, the MZ-E10 exudes a sleek and modern aesthetic, with a durable casing designed to withstand the rigors of daily use. The player is equipped with a headphone jack that supports both standard and high-impedance headphones, catering to a variety of audio preferences.

Overall, the Sony MZ-E10 stands as a testament to innovative technology in portable music playback. With its combination of compact design, high-quality audio recording and playback, and user-friendly features, it secured its place in the hearts of many music enthusiasts during its time. While modern technology has shifted primarily towards digital streaming and solid-state formats, the MZ-E10 remains a cherished artifact for those who appreciate the unique qualities of the MiniDisc system.