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Sony D-NE20 Service Manual
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Sony D-NE20 Service Manual

Sony D-NE20 Service Manual

Portable cd player
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SERVICE MANUAL
Ver. 1.1 2005.01
System
Compact disc digital audio system
Laser diode properties
Material: GaAlAs
Wavelength: λ = 770 - 800 nm
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 7 mm aperture.)
D-A conversion
1-bit quartz time-axis control
Frequency response
+1
20 - 20 000 Hz
dB (measured by JEITA)
-2
Output (at 3 V input level)
Line output (stereo minijack)
Output level 0.7 V rms at 47 kΩ
Recommended load impedance over 10 kΩ
Sony Corporation
9-879-267-02
Personal Audio Company
2005A16-1
Published by Sony Engineering Corporation
© 2005.01
D-NE20/NE20LS
Photo : RED
SPECIFICATIONS
Headphones (stereo minijack)
Approx. 5 mW + Approx. 5 mW at 16 kΩ
(Approx. 1.5 mW + Approx. 1.5 mW at 16 kΩ)*
*For the customers in Europe
Optical digital output (optical output connector)
Output level: –21- –15 dBm
Wavelength: 630 - 690 nm at peak level
Power requirements
• Sony NH-14WM rechargeable battery:
1.2 V DC × 1
• LR6 (size AA) battery: 1.5 V DC × 1
• AC power adaptor (DC IN 3 V jack)
• Rated current: 1 A
Operating temperature
5°C - 35°C (41°F - 95°F)
Dimensions (w/h/d) (excluding projecting parts
and controls)
Approx. 127 × 13.1 × 132.5 mm (5 ×
Canadian Model
Australian Model
Chinese Model
Model Name Using Similar Mechanism
CD Mechanism Type
Optical Pick-up Name
Mass (excluding accessories)
Approx. 116 g (4.1 oz.)
Supplied accessories
• AC power adaptor
• External battery
case with cover
• Battery carrying case
• Earphones
• CD-ROM (SonicStage)
• Operating instructions
• Installation/Operating Guide
• AC plug adaptor (Supplied with tourist model)
US and foreign patents licensed from Dolby
Laboratories.
Design and specifications are subject to change
without notice.
× 5
17
1
in.)
32
4
PORTABLE CD PLAYER
US Model
AEP Model
UK Model
D-NE20
E Model
D-NE20/NE20LS
D-NE20
D-NE20LS
Tourist Model
D-NE20
NEW
CDM-3325ERV
DAX-25EV
• Charging stand
• Rechargeable battery
• Carrying pouch
• Remote control

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Summary of Contents for Sony D-NE20

  • Page 1 Power requirements (This output is the value measured at a distance • Earphones • Remote control • Sony NH-14WM rechargeable battery: of 200 mm from the objective lens surface on the • CD-ROM (SonicStage) 1.2 V DC × 1 optical pick-up block with 7 mm aperture.) •...
  • Page 2 COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

  • Page 3: Table Of Contents

    D-NE20/NE20LS You can play discs on this CD player. TABLE OF CONTENTS Audio CDs: CD-DA format CDs SERVICING NOTES ..........4 CD-DA (Compact Disc Digital Audio) is a recording standard used for Audio CDs. ATRAC CDs: GENERAL ..............5 CD-R/CD-RW on which audio data compressed in the ATRAC3plus format...

  • Page 4: Servicing Notes

    D-NE20/NE20LS SECTION 1 SERVICING NOTES NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suffer electrostatic break-down because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body.

  • Page 5: General

    D-NE20/NE20LS SECTION 2 GENERAL This section is extracted from instruction manual. Remote display Tourist model except Tourist models...

  • Page 6: Disassembly

    D-NE20/NE20LS SECTION 3 DISASSEMBLY Note: Disassemble the unit in the order as shown below. 3-1. DISASSEMBLY FLOW 3-2. LID UPPER ASSY (Page 7) 3-3. CABI MID SUB ASSY (Page 8) 3-4. EGH BOARD, JACK BOARD, JACK SUB BOARD, CD MECHANISM DECK...

  • Page 7: Lid Upper Assy

    D-NE20/NE20LS Note: Follow the disassembly procedure in the numerical order given. 3-2. LID UPPER ASSY 2 two screws (upper lid) 3 bracket (hinge R) 4 bracket (hinge L) 1 Push two knobs and Close the cover until the tip of the cover of the open the lid upper.

  • Page 8: Cabi Mid Sub Assy

    D-NE20/NE20LS 3-3. CABI MID SUB ASSY spring (lock claw) 2 eight screws 1 screw open knob (R) open knob (L) 7 cabi mid sub assy 4 open knob (L) 3 spring (lock claw) 6 spring (upper lid) 5 open knob (R)

  • Page 9: Egh Board, Jack Board, Jack Sub Board, Cd Mechanism Deck (Cdm-3325Erv)

    D-NE20/NE20LS 3-4. EGH BOARD, JACK BOARD, JACK SUB BOARD, CD MECHANISM DECK (CDM-3325ERV) 7 two insulators 8 CD mechanism deck (CDM-3325ERV) 2 connector (2pin) 1 connector (4pin) 7 insulator 5 flexible board (CN601) 6 EGH board qs Remove solder of the JACK board.

  • Page 10: Window (Led), Button (Control)

    D-NE20/NE20LS 3-5. WINDOW (LED), BUTTON (CONTROL) 1 screw 2 window (led) 3 button (control) 3-6. TURN TABLE MOTOR ASSY (M901), SLED MOTOR ASSY (M902), OPTICAL PICK-UP (DAX-25EV) 1 three screws 1.7 × 4 2 gear cover 4 optical pick-up (DAX-25EV)

  • Page 11: Electrical Checking

    D-NE20/NE20LS SECTION 4 ELECTRICAL CHECKING RF Level Check The CD section adjustments are done automatically in this set. In case of operation check, confirm that RF level. Condition: • Hold the set in horizontal state. Precautions for Check 1. Perform check in the order given.

  • Page 12: Diagrams

    D-NE20/NE20LS SECTION 5 DIAGRAMS NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. Note on Printed Wiring Boards. Note on Schematic Diagrams. • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. (p: pF) 50 WV or •...

  • Page 13: Block Diagram

    D-NE20/NE20LS 5-1. BLOCK DIAGRAM IC603 SYSTEM CONTROLLER VCC1 DOUT J301 PF6/DBG6/X PLUG DTC LINEOUT (OPTICAL) Q306 IC606 AOUTL VCC3 MUTE +2V REG AOUTR R-CH R-CH PF7/DBG7/X METAL DTC IC601 RF AMP IC3007 HP AMP SENB Q307 XTAN PWML OUT1 MUTE...

  • Page 14: Printed Wiring Board - Egh Board (Side A)

    D-NE20/NE20LS :Uses unleaded solder. 5-2. PRINTED WIRING BOARD – EGH BOARD (SIDE A) – OPTICAL PICK-UP EGH BOARD BLOCK (SIDE A) (DAX-25EV) IC606 JE, HK, KR, CH IC601 IC603 JACK BOARD CN9002 (Chip Size Package) (Page 19) IC605 R622 IC3007...

  • Page 15: Printed Wiring Board - Egh Board (Side B)

    D-NE20/NE20LS :Uses unleaded solder. 5-3. PRINTED WIRING BOARD – EGH BOARD (SIDE B) – EGH BOARD (SIDE B) IC604 IC401 (Chip Size Package) 1-863-862- (11) R624 C631 R625 R616 C617 • Semiconductor Location Ref. No. Location D401 D405 IC401 IC402...

  • Page 16: Schematic Diagram - Egh Board (1/3)

    D-NE20/NE20LS 5-4. SCHEMATIC DIAGRAM – EGH BOARD (1/3) – Q405 QS6K1 C431 6.3V C450 R414 L409 4.7k Q404 QS6K1 R423 4.7k L402 L405 CN9001 C423 C439 6.3V 0.22 TP618 C416 C435 0.22 R405 C417 R401 100k 0.22 100k Q401 C415 0.01...

  • Page 17: Schematic Diagram - Egh Board (2/3)

    D-NE20/NE20LS • See page 12 for Waveforms. • See page 22 for IC Block Diagram. • See page 22 for IC Pin Function Description. 5-5. SCHEMATIC DIAGRAM – EGH BOARD (2/3) – RB601 TP601 C648 C650 R634 C653 OPGSW C614 0.047...

  • Page 18: Schematic Diagram - Egh Board (3/3)

    D-NE20/NE20LS • See page 22 for IC Block Diagrams. 5-6. SCHEMATIC DIAGRAM – EGH BOARD (3/3) – C404 JE, HK, KR, CH R403 6.3V 100k C403 IC604 L412 MSM56X16160F-20T IC605 MR27T1602F D401 RB521S-30FTE61 C103 FB101 IC402 NCP1400ASN22T1G C687 C102 R302...

  • Page 19: Printed Wiring Board - Jack Board (Side A), Jack Sub Board, Sub Board

    D-NE20/NE20LS :Uses unleaded solder. 5-7. PRINTED WIRING BOARD – JACK BOARD (SIDE A), JACK SUB BOARD, SUB BOARD – TP9007 D501 • Semiconductor JACK BOARD (SIDE A) Location Ref. No. Location S501 D401 (OPEN/CLOSE) D402 D501 D901 D903 D905 D906...

  • Page 20: Printed Wiring Board - Jack Board (Side B)

    D-NE20/NE20LS Ver. 1.1 :Uses unleaded solder. 5-8. PRINTED WIRING BOARD – JACK BOARD (SIDE B) – JACK BOARD (SIDE B) • Semiconductor Location Ref. No. Location D902 D904 S502 Q303 HOLD Q304 Q305 EXCEPT AEP,EE,UK 1-864-411- (11) D-NE20/NE20LS...

  • Page 21: Schematic Diagram - Jack Board, Jack Sub Board, Sub Board

    D-NE20/NE20LS Ver. 1.1 5-9. SCHEMATIC DIAGRAM – JACK BOARD, JACK SUB BOARD, SUB BOARD – R501 R505 2.2k R503 2.2k R509 R502 4.7k R506 4.7k CN9002 TP9034 S503 S504 S506 S508 S510 SL501 TP9005 S501 (OPEN/CLOSE) IC401 R514 RT8H055C-T1 R507 R511 2.2k...
  • Page 22 D-NE20/NE20LS • IC Block Diagrams • IC Pin Function Description EGH BOARD IC603 CASINO1 (SYSTEM CONTROLLER) – EGH Board – Pin No. Pin Name Description IC402 NCP1400ASN22TIG PE6/SI1 Status read signal input from LCD driver (not used) PE5/SO1 Command send signal output to LCD driver (not used)
  • Page 23 D-NE20/NE20LS Pin No. Pin Name Description SDA11 Address bus to SDRAM SDA10 Address bus to SDRAM VDIOSD2 – Power supply terminal (+2.1V) VSS3 – Ground terminal DVDD0 – Power supply terminal (+1.5V) – not used SDA8 Address bus to SDRAM...
  • Page 24 D-NE20/NE20LS Pin No. Pin Name Description AVSDA0 – Ground terminal VREFL Standard voltage terminal (for built in D/A converter L-ch) AOUTL Built in D/A converter (L-ch) signal output AVDDA0 – Power supply terminal (+2.7V) AVSMO – Ground terminal EXTAL System clock signal output...
  • Page 25 D-NE20/NE20LS Pin No. Pin Name Description AVDASM – Power supply terminal (+2.1V) AVSASM – Ground terminal RFACI RF signal output from pick-up AVDVCO – Power supply terminal (+2.1V) VCTL VCT signal input CLTV Pull up fixed at “H” AVSVCO –...
  • Page 26 D-NE20/NE20LS Pin No. Pin Name Description Pull up fixed at “H” Key input terminal Key input terminal DC in voltage detection WAKE Wake up control signal input XADEVENT Wake signal output to power controller XRST System reset input terminal DVDBK0 Pull up fixed at “H”...

  • Page 27: Exploded Views

    D-NE20/NE20LS Ver. 1.1 SECTION 6 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Abbreviation The components identified by mark 0 or may have some difference from the original : Australian model dotted line with mark 0 are critical for safety.

  • Page 28: Cabinet (Lower) Section

    D-NE20/NE20LS Ver. 1.1 6-2. CABINET (LOWER) SECTION CD mechanism section (CDM-3325ERV) not supplied supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 2-541-612-11 LID, BATTERY (EXCEPT CH) X-2024-326-1 CABINET, LOWER SUB ASSY (RED) 2-541-612-21 LID, BATTERY (CH)

  • Page 29: Cd Mechanism Section (Cdm-3325Erv)

    D-NE20/NE20LS 6-3. CD MECHANISM SECTION (CDM-3325ERV) M901 M902 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-318-203-61 SCREW (B1.7X4), TAPPING 3-221-475-01 SHAFT, STANDARD 0 102 X-3383-995-1 OPTICAL PICK-UP ASSY (DAX-25EV) 3-222-298-01 RACK 3-221-473-01 COVER, GEAR 3-222-299-01 SPRING, RACK RETAINER 3-221-472-02 CHASSIS 3-348-998-31 SCREW (M1.4X2.5), TAPPING, PAN...

  • Page 30: Electrical Parts List

    D-NE20/NE20LSW-E53 Ver. 1.1 SECTION 7 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Abbreviation • SEMICONDUCTORS In each case, u: µ, for example: parts list may be different from the parts : Australian model uA. . : µA. .
  • Page 31 D-NE20/NE20LS Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C654 1-125-777-11 CERAMIC CHIP 0.1uF Q402 8-729-053-52 TRANSISTOR EMX1T2R C659 1-107-820-11 CERAMIC CHIP 0.1uF Q403 8-729-053-54 TRANSISTOR EMT1T2R C664 1-100-539-91 TANTAL. CHIP 47uF 6.3V Q404 6-551-140-01 TRANSISTOR...
  • Page 32 D-NE20/NE20LS Ver. 1.1 JACK Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R612 1-218-977-11 RES-CHIP 100K 1/16W C407 1-164-935-11 CERAMIC CHIP 470PF R613 1-218-990-11 SHORT CHIP C409 1-137-710-11 CERAMIC CHIP 10uF 6.3V R614 1-218-990-11 SHORT CHIP...
  • Page 33 D-NE20/NE20LS Ver. 1.1 JACK JACK SUB Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q304 8-729-047-48 TRANSISTOR UMD12N-TR < SWITCH > Q305 6-551-132-01 TRANSISTOR EMG6 (EXCEPT AEP, EE, UK) S501 1-762-805-41 SWITCH, PUSH (1 KEY) Q306...
  • Page 34 D-NE20/NE20LS Ver. 1.1 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 2-318-320-41 MANUAL, INSTRUCTION 2-590-336-61 MANUAL, INSTRUCTION (SWEDISH, FINNISH) (AEP) (INSTALL OPERATION GUIDE) (SWEDISH, FINNISH) (AEP) 2-318-320-51 MANUAL, INSTRUCTION 2-590-336-71 MANUAL, INSTRUCTION (HUNGARIAN, RUSSIAN, POLISH) (EE)
  • Page 35 D-NE20/NE20LS MEMO...

  • Page 36: Revision History

    Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2004.11 2005.01 Addition of Canadian model for D-NE20 Change a color variation into blue for UK and EE model...

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