Sony MX-E501 service manual MZ-E501, Specifications

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SERVICE MANUAL

MZ-E501

AEP Model

Ver 1.2 2001. 12

Hong Kong Model

 

With SUPPLEMENT-1

 

US and foreign patents licensed from Dolby Laboratories Licensing Corporation

Model Name Using Similar Mechanism

MZ-E500

 

 

MD Mechanism Type

MT-MZE500-174

 

 

Optical Pick-up Mechanism Type

LCX-4E

 

 

SPECIFICATIONS

Audio playing system

MiniDisc digital audio system

Laser diode properties

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

Error correction

ACIRC (Advanced Cross Interleave Reed Solomon Code)

Sampling frequency

44.1kHz

Coding

ATRAC (Adaptive TRansform Acoustic Coding) ATRAC3: LP2

ATRAC3: LP4

Modulation system

EFM (Eight to Fourteen Modulation)

Number of channels

2 stereo channels

1 monaural channel

Frequency response

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 ohms

Power requirements

Nickel Cadmium rechargeable battery One NC-6WM (supplied): 1.2V, 600 mAh One LR6 (size AA) battery (not supplied) External power jack: Power rating 3V DC

AC power adaptor for the battery charging stand (supplied): AC230~240V, 50Hz

Battery operation time

See “When to replace or recharge the battery”

Dimensions

Approx. 74.5 ⋅ 80.5 ⋅ 17.9 mm (w/h/d) (3 ⋅ 3 1/4 23 /32 in.) (not including projecting parts and controls)

Mass

Approx. 80 g (2.8 oz) (the player only)

Supplied accessories

Headphones/earphones with a remote control (1)

Battery charging stand (assembly needed)(1)

AC power adaptor*

Rechargeable battery (1)

Rechargeable battery carrying case (1)

Dry battery case (1)

Carrying pouch (1)

AC plug adaptor (1) (world model only)

US and foreign patents licensed from Dolby Laboratories.

Design and specifications are subject to change without notice.

PORTABLE MINIDISC PLAYER

9-873-162-03Sony Corporation

2001L1600-1Personal Audio Company

© 2001.12

Published by Sony Engineering Corporation

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Contents MZ-E501 SpecificationsDisassembly Table of ContentsDiagrams Exploded ViewsSection Servicing Notes Location and Function of Controls Group Section GeneralCase ASSY, Holder Assy Section DisassemblyBracket Assy Mechanism DeckOptical PICK-UP Assy LCX-4E Main BoardSetting the Test Mode Section Test ModeGeneral Overall Adjustment Mode Manual ModeHow to set the Manual mode Self-diagnostic mode SELF-DIAGNOSTIC Display ModeSound Skip Check Result Display Mode KEY Check ModeSetting the Key Check mode EIBManual Power Adjustments Section Electrical AdjustmentsReset NV Electrical offset adjustment method Vc PWM Duty H adjustment methodOverall CD and MO adjustment method Resume clear method Overall CD and MO adjustment itemsMZ-E501 Waveforms Section DiagramsMain Board Block DiagramSemiconductor Printed Wiring Board Main Section Side aSide B Printed Wiring Board Main Section Side BOprledgh MZ-E501 2222 IC301 TA2131FL EL IC Block DiagramsIC901 XPC18A32FCR2 IC PIN Function Description Xtest OprledglOprledrl MIFVSS3APC AVS2 AvssDSPVDD0 DSPVSS0DSPVSS1 DSPVDD2Spcu SpcvSSB CLK TEST1, TEST0MCUVSS0 VL PWMLCD RST LCD STBREC LED TSB SLV CHKMain Section Section Exploded Views5961 Mechanism SectionSection Electrical Parts List MainXPC18A32FCR2 Ver 1.1 Memo MZ-E501 Before change After change How to distinguish the sets¥ Signal path Main Board Main Board + Line Tantalums Schematic Diagram Main /3 See page 9 for IC Block Diagrams IC Block Diagrams IC901 XPC18A32FCR2 Signal C input from the optical pick-up detector IC601 CXD2671-207GA System Control AVS2 Avss DSPVDD2 188,189 Not used open 190 LCD STB 1uF 10% C102 126-246-11 IC XPC18A32FCR2 SWITCH, Tactile VOL− Ver Date Description of Revision Revision History