D-NE20/NE20LS
You can play discs on this CD player.TABLE OF CONTENTS
Audio CDs:
CD-DA format CDs
CD-DA (Compact Disc Digital Audio) is a recording standard used for Audio CDs.1.SERVICING NOTES................................................4
ATRAC CDs:
2.GENERAL...................................................................5
CD-R/CD-RW on which audio data compressed in the ATRAC3plus format
has been recorded by using SonicStage*
ATRAC3plus (Adaptive Transform Acoustic Coding3plus) is audio compression
3.DISASSEMBLY
technology that satisfies the demand for high sound quality and high compression
rates. ATRAC3plus can compress audio files to about 1/20 of their original size at 643-1. Disassembly Flow ........................................................... 6
kbps.
3-2. Lid Upper Assy................................................................ 7
Bit rates and sampling frequencies this CD player can play are:
3-3. Cabi Mid Sub Assy .......................................................... 8
Bit rates Sampling frequencies
3-4. EGH Board, JACK Board, JACK SUB Board,
ATRAC3 66/105/132 kbps 44.1 kHz
ATRAC3plus 48/64/256 kbps 44.1 kHzCD Mechanism Deck (CDM-3325ERV)......................... 9
Up to 62 characters can be displayed on this CD player.3-5. Window (LED), Button (Control) ................................... 10
3-6. Turn Table Motor Assy (M901),
MP3 CDs:
Sled Motor Assy (M902),
CD-R/CD-RW on which audio data compressed in the MP3 format has
been recorded by using a software other than SonicStage*Optical Pick-up (DAX-25EV) ......................................... 10
Bit rates and sampling frequencies this CD player can play are shown below. Variable
Bit Rate (VBR) files can also be played.
4.ELECTRICAL CHECKING....................................11
Bit rates Sampling frequencies
MPEG-1 Layer3 32 - 320 kbps 32/44.1/48 kHz
MPEG-2 Layer3 8 - 160 kbps 16/22.05/23 kHz5.DIAGRAMS
MPEG-2.5 Layer3 8 - 160 kbps 8/11.025/12 kHz
5-1. Block Diagram ................................................................ 13
This CD player conforms to Version 1.0/1.1/2.2/2.3/2.4 of the ID3 tag format. ID3 tag
5-2. Printed Wiring Board � EGH Board (Side A) � ............. 14
is a format for adding certain information (track name, album name, artist name, etc.)
to MP3 files. Up to 64 characters of ID3 tag information can be displayed on this CD5-3. Printed Wiring Board � EGH Board (Side B) � ............. 15
player.5-4. Schematic Diagram � EGH Board (1/3) �...................... 16
5-5. Schematic Diagram � EGH Board (2/3) �...................... 17CD-Extra and Mix-Mode CDs:
CD-R/CD-RW on which CD-DA format data and CD-ROM format data are5-6. Schematic Diagram � EGH Board (3/3) �...................... 18
recorded together.*
5-7. Printed Wiring Board � JACK Board (Side A),
If you cannot play your CD, change the "CD-EXTRA" setting in the OPTION menu.
Then you may play your CD.JACK SUB Board, SUB Board � .................................... 19
An ATRAC CD on which audio data compressed in the MP3 format has been recorded 5-8. Printed Wiring Board � JACK Board (Side B) � ............ 20
using software other than SonicStage can also be played.
5-9. Schematic Diagram � JACK Board,
With SonicStage, you cannot create a CD on which mixed format audio data is recorded.
* Only ISO 9660 Level 1/2 and Joliet extension format discs can be played.JACK SUB Board, SUB Board � ................................... 21
Music discs encoded with copyright protection technologies
This product is designed to play back discs that conform to the Compact Disc (CD) 6.EXPLODED VIEWS
standard. Recently, various music discs encoded with copyright protectiontechnologies 6-1. Overall Assy .................................................................... 27
are marketed by some record companies. Please be aware that among those discs,
6-2. Cabinet (Lower) Section.................................................. 28
there are some that do not conform to the CD standard and may not be playable by
this product.6-3. CD Mechanism Section (CDM-3325ERV) ..................... 29
7.ELECTRICAL PARTS LIST..................................30
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ACEC
