MZ-E505

IC551 SC111258FCR2

WI2

VI2

42 41

UI2 43

PWM2 44

3PHASE

CONTROL

CH2

VC

VG

VC LOW

VOLTAGE

DETECTOR

CPUO2 45

PGNDW2

WO2

VMVW2 VO2 PGNDUV2

UO2 VMU2

VMR2 RO2

PGND2 FO2 VMF2

40

39

38 37 36

35 34

33 32

31 30 29

3PHASE

H-BRIDGE

PRE DRIVER

PRE DRIVER

CH2

CH2

VC VG

VC VG

VC VG

 

 

U

 

+

 

 

VC

H-BRIDGE CONTROL CH2

28FI2

27RI2

26COM2

25CPUI2

CPVO2 46

CPWO2

47

 

VC

BIAS

OE

48

 

GND1

49

VC VG

VC

50

 

VG

51

 

CPWO1

52

 

CPVO1

53

 

CPUO1

54

 

VC

3PHASE

CONTROL

CH1

PWM1 55

UI1 56

VC VG

3PHASE

PRE DRIVER

CH1

 

 

V

+

 

 

 

 

 

 

W

+

 

 

W

+

 

 

V +

U +

VC VG

H-BRIDGE

PRE DRIVER

CH1

 

24

CPVI2

 

23

CPWI2

 

22

NC

 

21

GND2

 

20

CPWI1

 

19

CPVI1

 

18

CPUI1

VC

17

COM1

 

 

H-BRIDGE

16

RI1

CONTROL

15

FI1

CH1

 

 

1

2

VI1

WI1

3

4

5

6

7

8

9

10 11

12 13 14

PGNDW1

WO1

VMVW1

VO1

PGNDUV1

UO1

VMU1

VMR1 RO1

PGND1

FO1

VMF1

32

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Sony MZ-E505 service manual IC551 SC111258FCR2

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.