Sony MZ-E10 service manual IC PIN Function Descrintion, Pin No Pin Name Description

Page 26

MZ-E10

6-7. IC PIN FUNCTION DESCRINTION

•IC601 LC-896442-VH4-16-E (DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO SIGNAL PROCESSOR, EFM/ACIRC ENCODER/DECODER, SHOCK PROOF MEMORY CONTROLLER, 16M BIT D-RAM, SYSTEM CONTROL)

(MAIN BOARD)

Pin No.

Pin Name

I/O

Description

 

 

 

 

1

MWEB

–

Not used (open)

 

 

 

 

2

XD_MUTE

O

Mute signal output to Headphone

 

 

 

 

3

SIO4 DO

O

Serial data output to DC-DC convertor (SC901580EPR2)

 

 

 

 

4

(SIO4 DI)

I

Not used (Connected to ground)

 

 

 

 

5

SIO2 CLK

O

Serial clock output to EEPROM

 

 

 

 

6

NV XCS

O

Chip select signal output to EEPROM

 

 

 

 

7

SIO2 DO

O

Serial data output to EEPROM

 

 

 

 

8

SIO2 DI

I

Serial data input from EEPROM

 

 

 

 

9

AVSS

–

Ground

 

 

 

 

10

UNREG MON

I

UNREG voltage monitor input

 

 

 

 

11

RF VCMON

I

Reference voltage (VC) input from RF AMP (SN761058ZQL)

 

 

 

 

12

RMC KEY1

I

Remoto control key signal input

 

 

 

 

13

CHG_VI_MON

I

AC adapter voltage input

 

 

 

 

14

RF_TMP_MON

I

signal monitor input

 

 

 

 

15

OPEN CLS SW

I

Cassette lid open/close signal input

 

 

 

 

16

SET KEY

I

Key signal input

 

 

 

 

17

CHG MON

I

Battery charge ∆V detect and charge current monitor input

 

 

 

 

18

AVDD

–

Power supply

 

 

 

 

19

RMC DTCK

I/O

Serial data input/output

 

 

 

 

20

(RMC SPCK)

–

Not used (open)

 

 

 

 

21

SBUS CLK

O

Serial clock output to RF AMP (SN761058ZQL)

 

 

 

 

22

SBUS DATA

I/O

Serial data input/output to RF AMP (SN761058ZQL)

 

 

 

 

23

PWR_CLK_PWM

O

Clock output to DC-DC converter (SC901580EPR2)

 

 

 

 

24

AMICE CLK PWM

O

PWM signal output to RF AMP (SN761058ZQL)

 

 

 

 

25

DSP INTB

–

Not used (open)

 

 

 

 

26

DSP WRQB

–

Not used (open)

 

 

 

 

27

DRV FG INT

–

Not used (open)

 

 

 

 

28

DRV SLEDI INT

–

Not used (open)

 

 

 

 

29

XCHG I LIMIT

O

Limit charge current control signal

 

 

 

 

30

OPR_LED_O_CTL

O

LED (orange) control signal output

 

 

 

 

31

(LOCAL CHK1)

–

Not used (open)

 

 

 

 

32

CHG AD SEL

O

Monitor control of charge A/D signal

 

 

 

 

33

VCC2

–

Power supply

 

 

 

 

34

VSS

–

Ground

 

 

 

 

35

PWR FFCLR

O

Latch and clear signal output to DC/DC converter (SC91580EPR2)

 

 

 

 

36

PWR SLEEP

O

Sleep signal output to DC/DC converter (SC91580EPR2)

 

 

 

 

37

PWR STRB

O

Strobe signal output to DC/DC converter (SC91580EPR2)

 

 

 

 

38

CHG AMP SEL

O

Select signal output of charge control

 

 

 

 

39

CHG PWM

O

Charge control PWM signal output

 

 

 

 

40

D_VO_PWM

O

Power supply control PWM signal output of Headphone AMP (NJU8713V-TE2)

 

 

 

 

41

OPR LED G PWM

O

LED (green) control signal output

 

 

 

 

42

OPR LED R PWM

O

LED (red) control signal output

 

 

 

 

43

VDD

–

Power supply

 

 

 

 

44

VSS

–

Ground

 

 

 

 

45

D_EN1

O

Drive control signal output to Headphone AMP (NJU-8713V-TE2)

 

 

 

 

46

PD S1

O

PD-IC mode select signal output to optical pick-up

 

 

 

 

47

XRF_RESET

O

Reset signal output to RF AMP (SN761058ZQL)

 

 

 

 

48

(LOCAL CHK2)

–

Not used (open)

 

 

 

 

49

SMON4

–

Not used (open)

 

 

 

 

26

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Contents Specifications 874-219-01Diagrams Table of ContentsDisassembly GeneralSection Servicing Note Playing an MD Section GeneralMechanism Deck MT-MZE10-184 Section DisassemblyPanel Assy S, Upper Power BOARD, Main Board Bracket AssyControl Board Optical PICK-UP Assy ABX-1ESTest Mode Structure Section Test ModeSetting the Test Mode 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 8DCls D 743 Vc2742 Vc1 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 18 33 126 Section Exploded ViewsMain Section 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.
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