Sony MZ-E505 Adio, AVD2, AVS2, Adrb, Apc, DSPVDD0, DSPVSS0, Xtsl, DIN1, Lrck, Xbck, Mvci, DSPVDD1

Page 36

MZ-E505

Pin No.

Pin Name

I/O

 

Description

 

 

 

 

 

 

45

BOTM

I

Bottom hold signal input of the light amount signal (RF/ABCD) from RF amp

 

 

 

 

 

 

 

46

ABCD

I

Light amount signal (ABCD) input from RF amp

 

 

 

 

 

 

 

 

 

 

 

47

FE

I

Focus error signal input from RF amp

 

 

 

 

 

 

 

 

48

AUX1

I

Support signal (I3 signal/temperature signal) input terminal (A/D input) Not used

49

VC

I

Middle point voltage (+1.2V) input terminal

 

 

 

 

50

ADIO

O

Monitor output terminal of A/D converter input signal

Not used

 

 

 

 

51

ADRT

I

A/D converter the upper limit voltage input terminal (fixed at “H” in this set)

 

 

 

 

 

 

 

52

AVD2

—

Power supply terminal (for the analog) (+2.3V)

 

 

 

 

 

 

 

 

 

 

 

53

AVS2

—

Ground terminal (for the analog)

 

 

 

 

 

 

 

 

 

54

ADRB

I

A/D converter the lower limit voltage input (fixed at

“L” in this set)

55

SE

I

Sled error signal input terminal Not used

 

 

 

 

56

TE

I

Tracking error signal input from RF amp

 

 

 

 

 

 

 

 

57

DCHG

—

Connecting analog power supply of the low impedance (fixed at “H” in this set)

 

 

 

 

 

58

APC

I

Error signal input for the laser automatic power control

Not used

 

 

 

 

 

 

 

59

DSPVDD0

—

Power supply terminal (for DSP block) (+1.5V)

 

 

 

 

 

 

 

 

 

 

 

60

DSPVSS0

—

Ground terminal (for DSP block)

 

 

 

 

61

XTSL

I

Input terminal for the frequency set up of the system clock

“L”: 45.1584MHz,

“H”: 22.5792MHz (fixed at “L” in this set)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

62

DIN1

I

Input terminal of the record system digital audio signal

Not used

 

 

 

 

 

63

DOUT

O

Output terminal of the playback system digital audio signal

Not used

 

 

 

 

64

DAPWMLP

O

D/A converter PWM output terminal (L-CH right phase) Not used

 

 

 

 

 

65

DAPWMLN

O

D/A converter PWM output terminal (L-CH reverse phase)

Not used

 

 

 

 

 

66

DAPWMRP

O

D/A converter PWM output terminal (R-CH right phase)

Not used

67

DADT

O

Audio data output terminal

Not used

 

 

 

 

68

ADDT

I

Data input terminal Not used

 

 

 

 

 

 

 

 

 

 

69

LRCK

O

L/R sampling clock signal (44.1KHz) output terminal

 

Not used

 

 

 

 

 

 

70

XBCK

O

Bit clock signal (2.8224MHz) output terminal

Not used

 

 

 

 

 

 

 

 

71

FS256

O

11.2896MHz clock signal output terminal Not used

 

 

 

 

 

 

 

 

 

 

 

 

72

MVCI

I

Clock signal input terminal

Not used

 

 

 

 

73

DSPVDD1

—

Power supply terminal (for DSP block) (+1.5V)

 

 

 

74

ADFG

I

ADIP duplex FM signal (20.05± 1kHz) input from RF amp

 

 

 

 

 

 

 

 

75

F0CNT

O

Filter cut off control signal output terminal

Not used

 

 

 

 

 

 

 

 

 

 

76

DIFVDD0

—

Power supply terminal (for DSP I/F) (+1.9V)

 

 

 

 

 

 

 

 

 

 

 

 

77

DIFVSS0

—

Ground terminal (for DSP I/F)

 

 

 

 

 

 

 

 

78

APCREF

O

Reference PWM signal output for the laser automatic power control to RF amp

79

LDDR

O

PWM signal output for the laser automatic power control

Not used

80

TRDR

O

Tracking servo drive PWM signal output (–) to the motor driver

 

 

 

 

81

TFDR

O

Tracking servo drive PWM signal output (+) to the motor driver

 

 

 

 

82

FFDR

O

Focus servo drive PWM signal output (+) to the motor driver

 

 

 

 

83

FRDR

O

Focus servo drive PWM signal output (–) to the motor driver

 

 

 

 

84

MCUVDD1

—

Power supply terminal (for the microcomputer block) (+1.5V)

85

FGIN

I

FG signal input terminal for the spindle CAV servo

Not used

86

FS4

O

176.4kHz clock signal output to the power control

 

 

 

87

SPDU

O

Spindle motor drive control signal output (U) to the motor driver

 

 

 

 

 

88

SPVS

O

Spindle servo drive PWM signal output to the motor driver

 

 

 

 

 

89

SPDV

O

Spindle motor drive control signal output (V) to the motor driver

 

 

 

 

 

 

 

 

 

36

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Contents Specifications NEWLCX-4E Table of Contents DisassemblyDiagrams Exploded ViewsFlexible Circuit Board Repairing Section Servicing NotesSilver Blue Pink Violet Section GeneralSection Disassembly Disassembly FlowBattery Case LID Case RearMain Board Upper Panel SectionSwitch Board Holder Assy ZMechanism Deck MT-MZE505-176 Bracket L Assy Bracket R AssyOptical PICK-UP LCX-4E DC SSM18B Motor Spindle M901DC Motor Sled M902 Section Test Mode Setting the Test ModeGeneral Manual XXXS5EOFEJ5E 011 063B5EOverall Adjustment Mode SELF-DIAGNOSTIC Display ModeSelf-diagnostic mode 001 1 AdrsClearing the error display code 000 P**P## 000 P**R00 000 EIB Stat Adrs BEmp 000 ######000 0F 000 FF 0FReset VclPWMRes NV CC Res OK?VlPWM VbADAssy11 OfstMO OK NoClock041 Res ResClrLED Voltage Adjustments 071 Red35H075 GRN35H LED voltage checkVred High luminosity RED voltage value item No LED voltage adjustment Section Diagrams Block DiagramWaveforms IC501 ed RF OUTPrinted Wiring Board Main board Component Side Semiconductor LocationComponent Side Printed Wiring Board Main board Conductor Side IC5511RT 1FT 1FF 1RF VI2 RMC Dtck IC Block Diagrams IC301 TA2131FL ELIC551 SC111258FCR2 XPC18A32FCR2 IC PIN Function Description SCS1 SI1SO1 SCK1Adio AVD2AVS2 AdrbSpdw DSPVDD2DSPVSS1 SpcuTEST1, TEST0 EVASSB Data SSB CLKXCS LCD LCD STBOPR LED G H REC OPR LEDSection Exploded Views Upper PANEL, Case Rear Section60 X-3381-109-1 Terminal Board ASSY, Battery Ornamental Belt SectionMechanism Deck Section MT-MZE505-176 314 313 312 311310 306 308 307 305 304 303 302 301Section Electrical Parts List MainMain BOARD, Complete Capacitor Ceramic ChipConnector DiodeDiode 1SS367-T3SONY Ferrite Bead FerriteSwitch Revision History

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.
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