Sony MZ-E45 specifications Specifications, New

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SERVICE MANUAL

MZ-E44/E45

US Model

Ver 1.1 1999.01

AEP Model

 

UK Model

 

Australian Model

 

Tourist Model

 

MZ-E44

 

E Model

 

MZ-E44/E45

Photo : MZ-E44 (SILVER)

US and foreign patents licensed from Dolby Laboratories Licensing Corporation

Photo : MZ-E45 (GRAY)

Model Name Using Similar Mechanism

NEW

 

 

MD Mechanism Type

MT-MZE44-140

 

 

Optical Pick-up Mechanism Type

ODX-1A/1B

 

 

SPECIFICATIONS

MD Section

Audio playing system

Minidisc digital audio system

Laser diode properties

Material : GaAlAs

Wavelength : λ =790nm

Emission duration : continuous

Laser output : less than 44.6 μW*

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

Revolutions

400 rpm to 900 rpm (CLV) Error correction

Advanced Cross Interleave Reed Solomon Code (ACIRC) Sampling frequency

44.1kHz Coding

Adaptive Transform Acoustic Coding (ATRAC) 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 limit Outputs

Headphones : stereo mini-jack, maximum output level 5mW+5mW, load impedance 16 ohm

General

Power requirements Rechageable battery (supplied)

Nickel metal hydride rechargeable battery NH-9WM (N) One LR6 (size AA) alkaline battery (not supplied)

Sony AC Power Adaptor AC-E15L (not supplied) connected at the DC IN 1.5V jack

Battery operation time

Batteries

Playback

Nickel metal hydride

Approx.

Rechargeable battery (NH-9WM (N))

5.5 hours

One LR6 (size AA)

Approx.

Sony alkaline dry batteries

8.5 hours

 

 

Nickel metal hydride (NH-9WM (N)) +

Approx.

One LR6 (size AA)

16 hours

Dimensions

Approx. 87 x 17.8 x 91.5 mm (w/h/d)

(3 1/2 x 23/32 x 3 5/8 in) not including projecting parts and controls

Mass

Approx. 115 g (4.1 oz.) the player only

Approx. 155 g (5.5 oz.) incl. a premastered MD and a nickel metal hydride rechargeable battery NH-9WM (N)

Supplied accessories Battery charger (1) Rechargeable battery (1)

Rechargeable battery carrying case (1) Headphones with a remote control (1) Dry battery case (1)

Handstrap (1) Carrying pouch (1)

LR6 (size AA) alkaline battery (1) (Tourist model only)

Design and specifications are subject to change without notice.

PORTABLE MINIDISC PLAYER

MICROFILM

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Contents NEW SpecificationsSection Servicing Note Headphones Headphones with Remote ControlSection General Location and Function of ControlsUpper Panel Assy Bottom Panel Assy Section DisassemblyMain Board Mechanism Deck Section Belt ASSY, Front Panel AssyPasting on the sheet SW Optical PICK-UP Block AssyTest Mode Laser power adjustment Description of Each Mode 010 Offset adjustmentMO adjustment Lower reflection CD adjustmentAudio Mode Automatic adjustmentSled movement NV relationPower Mode Section Electrical AdjustmentsAdjustment Method in Overall Adjustment Mode Overall Adjustment ModeRemote commander display during automatic adjustment MO Automatic adjustment ModeThis figure is large when L is long Adjusting the OFF-track thresholdAdjustment in Servo Mode Method Explanation of IC Terminals Section DiagramsPin No Pin Name Pin Description Sled motor control signal output Power for on board lightSerial data input/output for Remote control communication Serial data signal output for NvramPlay Block DiagramSemiconductor Location Printed Wiring BoardsWaveforms Schematic Diagram r Refer to page 25 for IC Block DiagramsSection Exploded Views IC Block Diagrams IC301 BA3577FS-E2Panel Section IC601 μPD63731GC-9EU53 A-3293-984-A Main BOARD, Complete Main Section58 X-4950-229-1 Chassis Assy Main Section 114 X-4949-164-1 Optical PICK-UP Block Assy Mechanism Deck Section MT-MZE44-140Metal Chip Main Section Electrical Parts ListDiode Elect ChipDiode MA4Z082WA-TX LED CL-220HR-C OperateAccessories & Packing Materials Switch S301 1-762-079-11 SWITCH, Slide Digital MegabassBATTERY, Nickel Hydrogen VibratorSony Corporation