Sony MZ-E505 service manual Specifications, New, LCX-4E

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MZ-E505

SERVICE MANUAL

E Model

US and foreign patents licensed from Dolby Laboratories.

Model Name Using Similar Mechanism

NEW

 

 

Mechanism Type

MT-MZE505-176

 

 

Optical Pick-up Name

LCX-4E

 

 

SPECIFICATIONS

Audioplayingsystem

MiniDisc digital audio system

Laser diodeproperties

Material: GaAlAs

Wavelength: λ = 790 nm

Emission duration: continuous

Laser output: less than 44.6 W*

*This output is the value measured at a distance of 200 mm from the objective lens surface on the optical pick-up block with 7 mm aperture.

Revolutions

Approx. 300 rpm to 2,700 rpm

Errorcorrection

ACIRC (Advanced Cross Interleave Reed Solomon Code)

Samplingfrequency

44.1kHz

Coding

ATRAC (Adaptive TRansform Acoustic Coding) ATRAC3: LP2/LP4

Modulationsystem

EFM (Eight to Fourteen Modulation)

Numberof channels

2 stereo channels

1 monaural channel

Frequencyresponse

20 to 20,000 Hz ± 3 dB

Wow and Flutter

Below measurable limits

Outputs

Headphones/earphones: stereo mini-jack,

maximum output level

5 mW + 5 mW load impedance 16

Power requirements

Player:

Nickel metal hydride rechargeable battery

One NH-14WM(A) (supplied): 1.2V, 1,350 mAh

One LR6 (size AA) battery (not supplied)

Battery charging stand:

AC power adaptor DC 3V, AC 100V, 50/60Hz

Dimensions

Approx. 74.5 81.0 17.6 mm (w/h/d)

(3 3 1/ 4 23/32 in.)

(not including projecting parts and controls)

Mass

Approx. 73 g (2.6 oz) (the player only)

Supplied accessories

Headphones/earphones (1) Battery charging stand (1)

AC power adaptor (for the supplied battery charging stand) (1)

Rechargeable battery (1)

Rechargeable battery carrying case (1) Dry battery case (1)

Carrying pouch (1)

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PORTABLE MINIDISC PLAYER

9-873-487-01Sony Corporation

2002B0500-1Personal Audio Company

C 2002.02 Published by Sony Engineering Corporation

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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.