Sony MZ-300 - Manual
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Table of Contents:
- Page 2 – ELECTRICAL PARTS LIST; Flexible Circuit Board Repairing; • Keep the temperature of the soldering iron around 270; Notes on chip component replacement; TABLE OF CONTENTS; SECTION 1; CAUTION; Note on IC replacement; Especially, be sure to check between pins 4 and 5.
- Page 4 – Follow the disassembly procedure in the numerical order given.
- Page 6 – Connection; SECTION 4; To set the TEST MODE, three methods are available.
- Page 7 – AAAS CC
- Page 8 – X X X S X X; ASS; AdJ cL
- Page 9 – XX; Microprocessor Version 1.10
- Page 10 – Microprocessor Version 1.20 and higher
- Page 13 – SECTION 5
- Page 18 – MAIN BOARD
- Page 19 – Refer to page 24 for Notes.; MOTOR FLEXIBLE BOARD; Semiconductor
- Page 25 – • Waveforms
- Page 26 – • IC BLOCK DIAGRAMS
- Page 31 – MAIN
- Page 34 – REVISION HISTORY; Date; Correction of Overall Adjustment Mode.
MZ-E300
SERVICE MANUAL
PORTABLE MINIDISC PLAYER
SPECIFICATIONS
US Model
Canadian Model
AEP Model
E Model
Chinese Model
Model Name Using Similar Mechanism
NEW
MD Mechanism Type
MT-MZE300-176
Optical Pick-up Mechanism Type
LCX-4E
US and foreign patents licensed from Dolby
Laboratories Licensing Corporation
System
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
µ
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. 700 rpm to 1,500 rpm
Error correction
ACIRC (Advanced Cross Interleave Reed Solomon Code)
Sampling frequency
44.1 kHz
Coding
ATRAC (Adaptive TRansform Acoustic Coding)
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
Power requirements
One LR6 (size AA) battery (not supplied)
Battery operation time
Battery life
(EIAJ
1)
)
Battery
Playback
LR6 (SG) Sony Alkaline dry battery
2)
Approx. 33 hours
1)
Measured in accordance with the EIAJ (Electronic Industries
Association of Japan) standard (using a Sony MDW-series Mini-disc).
2)
When using a Sony LR6 (SG) “STAMINA” alkaline dry battery
(produced in Japan).
Note
The effective battery life may be shorter than that indicated above,
depending on operating conditions, the surrounding temperature, and
the battery type.
Dimensions
Approx. 83.0 x 26.7 x 76.5 mm (w/h/d) (3
3
/
8
x 1
1
/
16
x 3
1
/
8
in.)
(not including projecting parts and controls)
Mass
Approx. 83.0 g (3.0 oz) (the player only)
Supplied accessories
Headphones/earphones (1)
Design and specifications are subject to change without notice.
9-873-064-13
2001L0200-1
© 2001.12
Sony Corporation
Personal Audio Company
Published by Sony Engineering Corporation
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Summary
2 MZ-E300 Specifications ........................................................................... 1 1. SERVICING NOTE ...................................................... 2 2. GENERAL Preparing a Power Source .................................................. 3To Connect the Headphones/Earphone...
4 MZ-E300 SECTION 3 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 3-1. “LID ASSY, UPPER”, HOLDER ASSY 3-2. MECHANISM DECK • The equipment can be removed using the following procedure. 1 Screws (1.4),MI Case ASSY 3 Lid ASSY , Upper 5 Holder ASSY Holder ASSY Reinfor...
6 MZ-E300 3 In the normal mode, operate the keys on the set and those on theremote control as specified below:Turn on HOLD switch on the set. Holding down x (STOP) key on the set, press the keys on the remote control in thefollowing sequence: > N t > N t . t . t > N t . t > N t . t X t X...
