MZ-E505

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

 

 

 

 

 

 

 

 

 

 

 

 

VC

 

 

 

 

 

 

 

 

 

 

22

INM2

 

 

VB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PWM

 

 

 

 

 

 

 

 

 

VB

50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

51

VC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

21

VDRF

 

 

 

 

 

 

 

 

 

 

 

VG

 

VG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VSTB

 

VC

 

VB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VB

VC

 

POWER

STEP-UP

 

 

 

 

 

 

 

20

VGFB

 

 

 

 

 

 

 

 

 

 

 

 

VB

 

VB

VC

VG

 

 

 

CLKSEL 52

 

 

 

 

 

 

 

 

 

 

SWITCH 2

PRE DRIVER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

FFCLR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

33

Page 33
Image 33
Sony MZ-E505 service manual XPC18A32FCR2

MZ-E505 specifications

The Sony MZ-E505 is a portable mini-disc player that emerged in the early 2000s as part of Sony's innovative move towards digital audio solutions. This compact device combines functionality, versatility, and cutting-edge technology, making it a popular choice among music enthusiasts. The MZ-E505 stands out due to its sleek design and impressive features, setting the standard for portable audio players of its time.

One of the main characteristics of the MZ-E505 is its lightweight design, weighing approximately 160 grams. Its portability is complemented by an elegant, user-friendly interface, which includes a simple set of buttons for easy navigation through tracks and folders. The device features a bright LCD display that shows essential information such as track number, time elapsed, and battery life, ensuring users remain informed while on the go.

The MZ-E505's standout feature is its mini-disc technology, allowing users to record and playback high-quality audio. Mini-discs, introduced by Sony in the 1990s, offer an advanced storage solution that can hold up to 74 minutes of high-fidelity stereo sound on the standard format. The player also supports LP2 and LP4 modes, enabling users to double or quadruple the recording capacity, which is perfect for those who require more space for their music collections.

In terms of sound quality, the MZ-E505 utilizes Sony’s ATRAC (Adaptive Transform Acoustic Coding) compression technology, which ensures that audio playback is clear and precise. The device is equipped with a 20-second shock protection mechanism to prevent interruptions during playback, giving users peace of mind while enjoying their favorite tracks during activities like jogging or commuting.

Battery life is another crucial aspect, and the MZ-E505 doesn’t disappoint. It features a rechargeable battery that can provide up to 10 hours of continuous playback on a full charge. Additionally, users have the option to utilize standard AA batteries as an alternative power source.

The MZ-E505 also incorporates a variety of connectivity options, including an analog line-in for direct recording from external sources. This feature was particularly appealing for audiophiles who wanted to create their mix compilations.

Overall, the Sony MZ-E505 is a remarkable blend of portability, sound quality, and innovative technology, representing the quintessential qualities of early digital audio devices. Although the mini-disc format has since been largely superseded by other digital technologies, the MZ-E505 remains a cherished piece of audio history, celebrated for its unique capabilities and breathtaking design.