Sony MZ-E505 Spdw, DSPVDD2, DSPVSS1, Spcu, Spcv, Spcw, Sdu, Slvs, Sdv, Sdw, Slcu, Slcv, Slcw

Page 37

MZ-E505

Pin No.

Pin Name

I/O

 

Description

 

 

 

 

90

SPDW

O

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

 

 

 

 

 

91

DSPVDD2

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

 

 

 

 

 

 

 

92

DSPVSS1

Ground terminal (for DSP block)

 

 

 

 

 

 

93

SPCU

I

Spindle motor drive comparison signal input (U) from the motor driver

94

SPCV

I

Spindle motor drive comparison signal input (V) from the motor driver

95

SPCW

I

Spindle motor drive comparison signal input (W) from the motor driver

 

 

 

 

96

SDU

O

Sled motor drive signal output (U) to the motor driver

 

 

 

 

97

SLVS

O

Sled servo drive PWM signal output to the motor driver

 

 

 

 

98

SDV

O

Sled motor drive signal output (V) to the motor driver

 

 

 

 

99

SDW

O

Sled motor drive signal output (W) to the motor driver

100

SLCU

I

Sled motor drive comparison signal input (U) from the motor driver

101

SLCV

I

Sled motor drive comparison signal input (V) from the motor driver

102

SLCW

I

Sled motor drive comparison signal input (W) from the motor driver

 

 

 

 

 

103

DIFVDD1

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

 

 

 

 

 

 

 

 

104

DIFVSS1

Ground terminal (for DSP I/F)

 

 

 

 

 

 

 

 

105

EFMO

O

EFM encode data output terminal for the record

Not used

106

MNT0

O

Internal DSP monitor output (0) terminal

Not used

107

MNT1

O

Internal DSP monitor output (1) terminal

Not used

108

MNT2

O

Internal DSP monitor output (2) terminal

Not used

 

 

 

 

 

109

MNT3

O

Internal DSP monitor output (3) terminal

Not used

 

 

 

 

 

110

SENSE

O

Internal DSP (SENS) monitor output terminal

Not used

 

 

 

 

111

TX

O

Record data output enable signal output monitor terminal of the internal DSP Not used

 

 

 

 

112

RECP

O

Laser power changeover signal output monitor terminal Not used

113

DSPVDD3

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

 

114 to

NC

O

Output terminal for the external D-RAM

Not used

117

 

 

 

 

 

 

 

 

 

 

 

 

118

DRAMVSS0

Ground terminal (for the external D-RAM)

 

 

 

 

 

 

119

DRAMVDD0

Power supply terminal (for the external D-RAM) (+2.3V)

 

 

 

 

 

 

 

120 to

NC

O

Output terminal for the external D-RAM

Not used

138

 

 

 

 

 

 

 

 

 

 

139

DRAMVDD1

Power supply terminal (for the external D-RAM) (+2.3V)

140

DRAMVSS1

Ground terminal (for the external D-RAM)

 

 

141

TSB MST VDD

Power supply terminal (for TSB master communication) (+1.9V)

 

 

 

 

142

RMC DTCK

I/O

TSB serial data input/output with the remote commander attached headphone

 

 

 

 

143

TSB SLV VDD

Power supply terminal (for I/F to TSB slave communication) (+1.9V)

 

 

 

 

 

 

 

144

TSB SLVI

I

TSB slave signal input terminal

Not used

 

 

 

 

 

 

 

145

TSB SLVO

O

TSB slave signal output terminal Not used

 

146

TDI

I

Data input terminal for JTAG

Not used

 

 

147

TMS

I

Test mode control input terminal for JTAG

Not used

 

 

 

 

 

 

 

148

TCK

I

Clock input terminal for JTAG

Not used

 

 

 

 

 

 

 

 

 

149

XTRST

I

Reset input terminal for JTAG

Not used

 

 

 

 

 

 

 

 

 

150

TDO

O

Data output terminal for JTAG

Not used

 

 

 

 

 

 

 

 

151

JTAGVDD

Power supply terminal (for JTAG) (+2.3V)

 

 

152

JTAGVSS

Ground terminal (for JTAG)

 

 

 

153

MCUVDD2

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

 

 

 

 

154

MIFVDD0

Power supply terminal (for the microcomputer I/F block) (+1.9V)

 

 

 

 

155

MIFVSS0

Ground terminal (for the microcomputer I/F block)

 

 

 

 

 

 

 

37

Image 37
Contents NEW SpecificationsLCX-4E Disassembly Table of ContentsDiagrams Exploded ViewsSection Servicing Notes Flexible Circuit Board RepairingSilver Blue Pink Violet General SectionDisassembly Flow Section DisassemblyCase Rear Battery Case LIDUpper Panel Section Main BoardHolder Assy Z Switch BoardMechanism Deck MT-MZE505-176 Bracket R Assy Bracket L AssyDC SSM18B Motor Spindle M901 Optical PICK-UP LCX-4EDC Motor Sled M902 Setting the Test Mode Section Test ModeGeneral XXXS5E ManualOFEJ5E 011 063B5ESELF-DIAGNOSTIC Display Mode Overall Adjustment ModeSelf-diagnostic mode 001 1 AdrsClearing the error display code 000 P**R00 000 EIB Stat Adrs BEmp 000 ###### 000 P**P##000 0F 000 FF 0FVclPWM ResetRes NV CC Res OK?VbAD VlPWMAssy11 OfstNoClock MO OK041 Res ResClr071 Red35H LED Voltage Adjustments075 GRN35H LED voltage checkVred High luminosity RED voltage value item No LED voltage adjustment Block Diagram Section DiagramsIC501 ed RF OUT WaveformsSemiconductor Location Printed Wiring Board Main board Component SideComponent Side IC551 Printed Wiring Board Main board Conductor Side1RT 1FT 1FF 1RF VI2 RMC Dtck IC301 TA2131FL EL IC Block DiagramsIC551 SC111258FCR2 XPC18A32FCR2 IC PIN Function Description SI1 SCS1SO1 SCK1AVD2 AdioAVS2 AdrbDSPVDD2 SpdwDSPVSS1 SpcuEVA TEST1, TEST0SSB Data SSB CLKLCD STB XCS LCDOPR LED G H REC OPR LEDUpper PANEL, Case Rear Section Section Exploded ViewsOrnamental Belt Section 60 X-3381-109-1 Terminal Board ASSY, Battery314 313 312 311 Mechanism Deck Section MT-MZE505-176310 306 308 307 305 304 303 302 301Main Section Electrical Parts ListMain BOARD, Complete Capacitor Ceramic ChipDiode ConnectorDiode 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.