MZ-E505

• IC Block Diagrams

IC301

TA2131FL (EL)

 

 

 

 

 

 

 

PW SW

 

MT SW

BST SW

BEEP IN

GND

VREF IN

 

 

 

 

18

 

17

16

15

14

13

 

 

 

 

PW

 

MT

BST

BEEP

 

V REF

12

VREF

 

 

SW

 

SW

SW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11

LPF1

MT TC

19

 

 

 

 

 

 

 

 

 

VCC1

20

 

 

 

 

ADD

 

 

 

 

INB

 

 

 

 

 

 

 

 

 

21

 

 

 

 

 

 

 

10

BST NF1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BST1

 

 

INA

22

 

 

 

 

 

 

 

9

LPF2

 

 

 

 

 

 

 

 

 

BEEP

23

 

PW

 

PW

 

BST2

 

8

BST NF2

OUTB

 

A

 

B

 

 

 

BEEP

 

 

 

 

 

 

 

 

7

BST OUT

24

 

 

 

 

 

 

 

 

 

OUTA

 

 

 

 

 

 

BST

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AGC

 

 

 

 

1

2

3

4

 

5

6

 

 

 

 

VCC2

OUTA

PWR GND

OUTB

 

DET

AGC IN

 

 

IC501

SN761057ADBT

 

 

 

 

 

 

 

 

 

 

 

44

ADIP-IN

 

 

 

A+B+C+D

 

TWpp

43

S-MON

 

 

 

 

 

 

 

 

 

I+J

 

PK/BTM

 

 

TE

1

 

NPP

 

Aw

 

 

 

TON

 

CSLO

 

 

REXT

2

 

CSL

 

VREF075

 

 

Wpp LPF

3

 

Aw+Dw

S-MONITOR

A-C

 

 

 

 

 

TON Peak

D-C

 

 

VREF

4

 

 

 

 

 

TON Botm

 

Malfa

 

 

C

5

 

 

 

 

 

ADIP

 

Mij

 

 

D

6

 

TE

 

AwBPF

 

 

 

 

TE

TEMP

 

Dw

 

 

 

 

 

 

DwBPF

 

 

 

 

 

 

 

 

 

D-C

7

 

 

 

 

42

FE

 

 

Tpp/Wpp

 

 

 

 

 

 

 

 

41

ABCD

 

 

 

 

 

 

 

 

 

 

 

 

40

OFC-C1

 

 

 

 

 

 

39

OFC-C2

 

 

 

 

 

 

38

AVCC

 

 

 

 

 

 

37

PS

 

 

 

 

 

RF

36

LP

Iy

8

 

 

 

 

35

EQ

Ix

9

 

 

 

 

34

AGND

FE

 

 

 

33

RF

Jx

10

 

 

 

 

 

 

 

32

CCSL2

Jy

11

 

 

 

 

 

ABCD

 

 

31

VC

A

12

 

 

 

 

30

VREF075

A-C

13

 

 

 

PEAK/BOTM

29

PEAK

B

14

 

 

 

28

BOTM

 

 

 

 

 

 

 

 

 

 

TON-C

15

 

 

 

OF TRK

 

 

CIG

16

 

 

 

 

27

DGND

CDN

17

 

 

 

 

 

 

T-ON

 

26

OFTRK

PD-NI

18

 

 

 

 

 

 

 

 

 

PD-I

19

APC

 

 

 

 

 

PD-O

20

 

 

 

 

 

 

 

 

 

 

SERIAL

 

25

RESET

 

 

 

 

 

24

SCK

 

 

 

 

I/F

 

 

 

 

 

 

23

SBUS

 

 

ADIP

 

 

 

ADFG

21

 

 

 

 

 

 

 

 

 

 

 

DVDD

22

 

 

 

 

 

 

31

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Image 31
Sony MZ-E505 service manual IC Block Diagrams, IC301 TA2131FL EL

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.