Sony MZ-E505 TEST1, TEST0, Eva, SSB Data, Ssb Clk, MCUVSS0, LED Green PWM, Vl Pwm, Vc Pwm, Vg Pwm

Page 38

MZ-E505

Pin No.

Pin Name

I/O

 

 

 

Description

 

 

 

 

 

156, 157

TEST1, TEST0

I

Input terminal for the main test (normally fixed at “L”)

 

 

 

 

 

 

 

158

EVA

I

EVA/FLASH chip discrimination terminal

 

“L”: FLASH chip, “H”: EVA chip

 

 

 

 

 

 

 

 

 

 

159

NC

Not used

 

 

 

 

 

 

 

 

 

 

 

 

 

 

160

SSB DATA

I/O

Input/output of SSB data with RF amp

 

 

 

 

161

SSB CLK

O

SSB clock output to RF amp

 

 

 

 

 

 

162

MCUVSS0

Ground terminal (for the microcomputer block)

 

 

 

 

 

 

 

 

 

 

 

 

163

LED GREEN

O

 

 

 

 

 

 

 

PWM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

164

VL PWM

O

PWM signal output for the laser power supply voltage control to the power control

165

VC PWM

O

PWM signal output for the system power supply voltage control to the power control

166

VG PWM

O

Not used

 

 

 

 

 

 

167

LED RED PWM

O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

168

NC

O

Not used

 

 

 

 

 

 

 

 

 

 

 

 

169

CLK SEL

O

System clock select signal output terminal

Not used

 

 

 

 

 

 

 

 

 

 

 

170

OPEN CLOSE

I

Not used

 

 

 

 

 

 

SW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

171

NC

O

Not used

 

 

 

 

 

 

172

SET CODE0

I

Input terminal for the set (fixed at “L” in this set)

 

 

 

 

 

 

 

 

 

173

SET CODE1

I

Input terminal for the set (open in this set)

 

 

 

 

 

 

 

 

 

174

SET CODE2

I

Input terminal for the set (fixed at “L” in this set)

 

 

 

 

 

 

 

 

 

175

SET CODE3

I

Input terminal for the set (open in this set)

 

 

 

 

 

 

 

 

176

MIFVDD1

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

177

MIFVSS1

Ground terminal (for the microcomputer I/F block)

 

178

AOUT SEL

O

HP/LINE changeover signal output terminal

Not used

179

SI0

I

Serial data input from the nonvolatile memory

 

 

 

 

 

 

 

 

 

180

SO0

O

Serial data output to the nonvolatile memory

 

 

 

 

 

 

 

 

181

SCK0

O

Serial clock signal output to the nonvolatile memory

 

 

 

 

 

 

182

XGUM ON

I

Rechargeable battery detection switch input terminal

“L”: there is rechargeable battery

Not used

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

183

BEEP

O

Beep sound control signal output to the headphone amp

184

NC

O

Not used

 

 

 

 

 

 

185

VD SEL

O

VD power supply changeover signal output terminal Not used

 

 

 

 

 

 

186

XMUTE

O

Analog muting control signal output

“L”: muting ON

Not used

 

 

 

 

 

 

187

LCD RST AUX

O

Reset control signal output terminal

“L”: reset

Not used

 

 

 

 

 

 

 

 

 

188

PAUSE KEY

I

Pause key input terminal Not used

 

 

 

 

 

189

MIC SENSE

O

Mic sense control signal output

“L”: Low sensitivity

“H”: High sensitivity Not used

190

XPATCH

I

Patch function detection input terminal “L”: patch function (fixed at “L” in this set)

191

OPT DET

I

DIN plug detection signal input terminal

Not used

 

 

 

 

 

 

192

XJACK DET

I

LINE IN plug detection signal input terminal

Not used

 

 

 

 

 

193

XMIC DET

I

Microphone plug detection signal input terminal

Not used

 

 

 

 

194, 195

PD S0, PD S1

O

PD IC mode changeover signal output to the optical pick up

196

MIFVDD2

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

197 to

MODE1 to 3

O

Power supply control signal output terminal (for the over write head drive) Not used

199

 

 

 

 

 

 

 

 

 

 

 

 

 

 

200, 201

HD CON 1, 2

O

Over write head control signal output terminal

Not used

 

 

 

 

 

202

XTEST

I

Terminal for test mode set (nomally: open)

“L”: test mode

 

 

 

 

 

 

 

 

203

XCS ADA

O

Chip select signal output terminal

Not used

 

 

 

 

 

 

 

 

 

 

 

 

 

38

Image 38
Contents LCX-4E SpecificationsNEW Diagrams Table of ContentsDisassembly Exploded ViewsSilver Blue Pink Violet Flexible Circuit Board RepairingSection Servicing Notes 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 General Section Test ModeSetting the Test Mode OFEJ5E ManualXXXS5E 011 063B5ESelf-diagnostic mode Overall Adjustment ModeSELF-DIAGNOSTIC Display Mode 001 1 AdrsClearing the error display code 000 0F 000 P**P##000 P**R00 000 EIB Stat Adrs BEmp 000 ###### 000 FF 0FRes NV CC ResetVclPWM Res OK?Assy11 VlPWMVbAD Ofst041 Res MO OKNoClock ResClr075 GRN35H LED Voltage Adjustments071 Red35H LED voltage checkVred High luminosity RED voltage value item No LED voltage adjustment Section Diagrams Block DiagramWaveforms IC501 ed RF OUTComponent Side Printed Wiring Board Main board Component SideSemiconductor Location 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 SO1 SCS1SI1 SCK1AVS2 AdioAVD2 AdrbDSPVSS1 SpdwDSPVDD2 SpcuSSB Data TEST1, TEST0EVA SSB CLKOPR LED G H XCS LCDLCD STB REC OPR LEDSection Exploded Views Upper PANEL, Case Rear Section60 X-3381-109-1 Terminal Board ASSY, Battery Ornamental Belt Section310 Mechanism Deck Section MT-MZE505-176314 313 312 311 306 308 307 305 304 303 302 301Main BOARD, Complete Capacitor Section Electrical Parts ListMain Ceramic ChipDiode 1SS367-T3SONY Ferrite Bead ConnectorDiode 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.