Sony D-NE240 Service Manual

Sony D-NE240 Service Manual

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D-NE240/NE241/NE241CK
QQ
3 7 63 1515 0
SERVICE MANUAL
Ver. 1.0 2006.10
TE
L 13942296513
System
Compact disc digital audio system
Laser diode properties
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.)
Power requirements
• Two LR6 (size AA) batteries: 1.5 V DC × 2
• AC power adaptor (DC IN 4.5 V jack):
100 - 240 V, 50/60 Hz
Battery life* (approx. hours)
(When the CD player is used on a flat and stable place.)
Playing time varies depending on how the CD player is used.
When using two Sony alkaline batteries LR6 (SG)
(produced in Japan)
G-PROTECTION
Audio CD
MP3 CD (Recorded at 128 kbps)
* Measured value by the standard of JEITA (Japan Electronics and
Information Technology Industries Association).
• The indicator sections of
battery power. One section does not always indicate one-fourth of
the battery power.
www
.
Sony Corporation
9-887-425-01
Personal Audio Division
2006J05-1
Published by Sony Techno Create Corporation
© 2006.10
http://www.xiaoyu163.com
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Photo: D-NE240
Model Name Using Similar Mechanism
CD Mechanism Type
SPECIFICATIONS
Q Q
3
6 7
1 3
1 5
Dimensions (w/h/d) (without projecting parts and controls)
Approx. 140.0 × 32.7 × 140.0 mm
Mass (excluding accessories)
Approx. 210 g
Operating temperature
5°C - 35°C
MPEG Layer-3 audio coding technology and patents
licensed from Fraunhofer IIS and Thomson.
Design and specifications are subject to change without notice.
Supplied accessories
AC power adaptor (1) (except NE240)
Headphones (1)
Connection Cord (1) (NE241CK)
Car battery cord (1) (NE241CK)
Magic tape (1) (NE241CK)
co
.
9 4
2 8
AEP Model
D-NE240/NE241
E Model
D-NE241/NE241CK
D-NE005
CDM-3525A
0 5
8
2 9
9 4
2 8
m
PORTABLE CD PLAYER
9 9
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Summary of Contents for Sony D-NE240

  • Page 1 (When the CD player is used on a flat and stable place.) Car battery cord (1) (NE241CK) Playing time varies depending on how the CD player is used. Magic tape (1) (NE241CK) When using two Sony alkaline batteries LR6 (SG) (produced in Japan) G-PROTECTION G-on...
  • Page 2: Table Of Contents

    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: Servicing Notes

    D-NE240/NE241/NE241CK SECTION 1 SERVICING NOTES 3 7 63 1515 0 LASER DIODE AND FOCUS SEARCH OPERATION NOTES ON HANDLING THE OPTICAL PICK-UP CHECK BLOCK OR BASE UNIT During normal operation of the equipment, emission of the laser diode is prohibited unless the upper lid is closed while turning ON The laser diode in the optical pick-up block may suffer electrostatic the S811.
  • Page 4: General

    D-NE240/NE241/NE241CK SECTION 2 This section is extracted from instruction manual. GENERAL 3 7 63 1515 0 DC IN 4.5 V *(play/pause) (lecture/pause)•ENTER to an AC outlet vers une prise secteur • (group) (groupe) –/+ AC power adaptor GROUP Adaptateur secteur...
  • Page 5: Disassembly

    D-NE240/NE241/NE241CK SECTION 3 DISASSEMBLY 3 7 63 1515 0 • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW 3-2. CABINET (LOWER) ASSY (Page 5) 3-3. MAIN BOARD, CD MECHANISM (CDM-3525A) 3-4. CABINET (INNER) ASSY, SWITCH BOARD...
  • Page 6: Main Board, Cd Mechanism (Cdm-3525A)

    D-NE240/NE241/NE241CK 3 7 63 1515 0 3-3. MAIN BOARD, CD MECHANISM (CDM-3525A) 3 insulator 3 insulator 4 CD mechanism (CDM-3525A) 2 flexible board orange (CN501) gray 3 insulator black 5 MAIN board 1 Remove four solders. L 13942296513 3-4. CABINET (INNER) ASSY, SWITCH BOARD...
  • Page 7: Test Mode

    D-NE240/NE241/NE241CK SECTION 4 SECTION 5 TEST MODE ELECTRICAL ADJUSTMENTS 3 7 6 3 1 5 1 5 0 Focus Bias Check In the test mode, this set can check the microcomputer version and The CD section adjustments are done automatically in this set. In liquid crystal display.
  • Page 8: Diagrams

    D-NE240/NE241/NE241CK SECTION 6 3 7 6 3 1 5 1 5 0 DIAGRAMS • Note for Printed Wiring Boards and Schematic Diagrams • Waveforms – MAIN Board – Note on Printed Wiring Board: Note on Schematic Diagram: IC601 tg (CLK) •...
  • Page 9: Printed Wiring Board - Switch Board

    D-NE240/NE241/NE241CK 3 7 6 3 1 5 1 5 0 6-1. PRINTED WIRING BOARD – SWITCH Board – : Uses unleaded solder. S801 – S809 SWITCH BOARD S804 S805 S808 S809 S806 VOL – GROUP SOUND P-MODE VOL +...
  • Page 10: Printed Wiring Board - Main Board (Component Side)

    D-NE240/NE241/NE241CK 6-2. PRINTED WIRING BOARD – MAIN Board (Component Side) – 3 7 6 3 1 5 1 5 0 : Uses unleaded solder. • Semiconductor Location MAIN BOARD (COMPONENT SIDE) Ref. No. Location D403 IC603 IC301 C634 IC401...
  • Page 11: Main Board (Conductor Side)

    D-NE240/NE241/NE241CK 3 7 6 3 1 5 1 5 0 6-3. PRINTED WIRING BOARD – MAIN Board (Conductor Side) – : Uses unleaded solder. • Semiconductor Location Ref. No. Location MAIN BOARD D401 (CONDUCTOR SIDE) D402 D404 D406 D803...
  • Page 12: Schematic Diagram - Main Section (1/2)

    D-NE240/NE241/NE241CK 3 7 6 3 1 5 1 5 0 • See page 8 for Waveforms. • See page 14 for IC Block Diagrams. 6-4. SCHEMATIC DIAGRAM – MAIN Board (1/2) – Q321 (1/2) UMB2N-TN FILTER SWITCH -1-2 LPF_SW3...
  • Page 13: Schematic Diagram - Main Section (2/2)

    D-NE240/NE241/NE241CK 3 7 6 3 1 5 1 5 0 • See page 14 for IC Block Diagrams. • See page 15 for IC Pin Function Description. 6-5. SCHEMATIC DIAGRAM – MAIN Board (2/2) – (2/2) (Page 12) Z401...
  • Page 14 D-NE240/NE241/NE241CK 3 7 6 3 1 5 1 5 0 • IC Block Diagrams IC601 BU9541JKV – MAIN Board – IC301 BH3544F-FE2 OUT1 MUTE OUT2 AVDD1 D CLASS HP LINE AMPLIFIER AMPLIFIER DGND2 TEST BIAS VBIAS RESETB SIGNAL 1 BIT DAC...
  • Page 15 D-NE240/NE241/NE241CK 3 7 63 1515 0 • IC Pin Function Description MAIN BOARD IC801 BU18704-S1 (SYSTEM CONTROLLER) Pin No. Pin Name Description SEG0 Segment drive signal output terminal Not used 2 to 21 SEG1 to SEG20 Segment drive signal output to the liquid crystal display...
  • Page 16 D-NE240/NE241/NE241CK 3 7 63 1515 0 Pin No. Pin Name Description 67, 68 KEY1, KEY2 Top panel key input terminal (A/D input) TEST MODE Setting terminal for the CD test mode Normally: fixed at "H" ("L": test mode) WREM...
  • Page 17: Exploded Views

    D-NE240/NE241/NE241CK SECTION 7 EXPLODED VIEWS 3 7 63 1515 0 NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark 0 are may have some difference from the original are seldom required for routine service.
  • Page 18: Cabinet Lower Section

    D-NE240/NE241/NE241CK 3 7 63 1515 0 7-2. CABINET LOWER SECTION not supplied not supplied MAIN board L 13942296513 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 2-699-869-01 TERMINAL (RELAY), BATTERY 2-699-868-01 TERMINAL (-), BATTERY u163...
  • Page 19: Electrical Parts List

    D-NE240/NE241/NE241CK SECTION 8 MAIN 3 7 63 1515 0 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark 0 are parts list may be different from the parts are seldom required for routine service.
  • Page 20 D-NE240/NE241/NE241CK MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C811 1-107-826-11 CERAMIC CHIP 0.1uF C812 1-162-962-11 CERAMIC CHIP 470PF < TRANSISTOR > C813 1-162-962-11 CERAMIC CHIP 470PF C814 1-162-962-11 CERAMIC CHIP...
  • Page 21 D-NE240/NE241/NE241CK MAIN SWITCH 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R619 1-216-845-11 METAL CHIP 100K 1/10W A-1209-616-A SWITCH BOARD, COMPLETE R621 1-414-760-21 FERRITE, EMI (SMD) (1608) *********************** R622 1-216-813-11 METAL CHIP...
  • Page 22 D-NE240/NE241/NE241CK 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ACCESSORIES ************ 1-251-824-41 CONNECTING PACK, CAR (CPA-7) (NE241CK) 1-479-496-21 ADAPTOR, AC (AC-ES457K) (NE241: MX, E92/NE241CK) 1-479-497-21 ADAPTOR, AC (AC-ES457K) (NE241: AEP)
  • Page 23 D-NE240/NE241/NE241CK 3 7 63 1515 0 MEMO L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 24 D-NE240/NE241/NE241CK 3 7 63 1515 0 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page.

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