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Sony NW-S4 Service Manual
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Sony NW-S4 Service Manual

Sony NW-S4 Service Manual

Portable ic audio player
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SERVICE MANUAL
Ver 1.2 2001.07
Sony Corporation
9-873-071-13
2001G0500-1
Personal Audio Company
C 2001.7
Shinagawa Tec Service Manual Production Group
SPECIFICATIONS
PORTABLE IC AUDIO PLAYER
NW-S4
US Model

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Summary of Contents for Sony NW-S4

  • Page 1 NW-S4 SERVICE MANUAL US Model Ver 1.2 2001.07 SPECIFICATIONS PORTABLE IC AUDIO PLAYER Sony Corporation 9-873-071-13 2001G0500-1 Personal Audio Company C 2001.7 Shinagawa Tec Service Manual Production Group...

  • Page 2: Table Of Contents

    5-2. Board Assy ............... 26 ELECTRICAL PARTS LIST ........ 27 Network Walkman is trademark of Sony Corporation. OpenMG and its logo are trademarks of Sony Corporation. WALKMAN is a registered trademark of Sony Corporation. Microsoft, Windows, Windows NT, Windows Media, Windows Millennium Edition and their...

  • Page 3: Servicing Notes

    NW-S4 SECTION 1 SERVICING NOTES 1-1. Introduction This document describes the “operation check for inspection (Test mode)” and “adjustment after board replacement for repair”. In performing these works, connect this set to the PC via a USB cable and use the following tool.
  • Page 4 NW-S4 Work procedure Preparation: 1. Make sure that no battery is loaded in the set. 2. Start up the test mode “ ” of the service tool ( ) from the PC, and check that the following screen appears. 3. Connect PC to this set with a USB cable. Check that the block 1 of the following screen “open”, and “1PC” is displayed on the LCD of the set.
  • Page 5 NW-S4 Operational description of Test mode Audio Block Function Check Clicking the UP or Down button in block 2 of the screen allows you to check with various output frequencies. Also, clicking the UP or Down button in block 3 can check variations of volume. Clicking the L, Stereo, R, or Mute button in block 4 can change audio output status.
  • Page 6 NW-S4 Firmware Info Check The DSP program version and the flash memory capacity can be checked. (block 0) The version at the shipment is as follows. (Versions will vary if updated) Version Flash memory size 64094208 Sub-CPU Info Check The Sub-CPU program version can be checked. (block qa) The version at the shipment is as follows.
  • Page 7 (See page 9). the dedicated plug-in software. This software has you can not playback been already installed when the NW-S4 driver was nor check-in them to The computer recognizes your Network Walkman and installed using the enclosed OpenMG Jukebox CD- the OpenMG Jukebox.

  • Page 8: General

    NW-S4 SECTION 2 This section is extracted from instruction manual. GENERAL Parts and controls Refer to the page numbers indicated in parentheses for details. 1 VOL (volume) +/– (page 10) 6 Battery compartment (page 7) 2 Display (page 11) 7 Strap holder...

  • Page 9: Disassembly

    NW-S4 SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW Jack flexible module, Lower case assy Jack (small type) (waterproof) (J301) Main board Sub board Note: Follow the disassembly procedure in the numerical order given.

  • Page 10: Jack Flexible Module, Jack (Small Type) (Water Proof) (J301)

    NW-S4 3-3. JACK FLEXIBLE MODULE, JACK (SMALL TYPE) (WATERPROOF) (J301) 5 screw (1.7 × 2.5) 3 two screws (1.7 × 2.5) 6 retainer (jack) 4 jack flexible module 7 jack (small type) (waterproof) (J301) 2 P cover assy 3-4. MAIN BOARD 1 Remove the solder of battery terminal (+).

  • Page 11: Sub Board

    NW-S4 3-5. SUB BOARD 7 SUB board 1 bracket retainer 4 connection conductive board 3 BL unit 2 liquid crystal display panel 6 LCD fitting plate 5 KEY flexible print board 5 MODE flexible module...
  • Page 12 NW-S4 MEMO...

  • Page 13: Diagrams

    NW-S4 SECTION 4 DIAGRAMS 4-1. BLOCK DIAGRAM CN901 STATUS/ (1/2) CONTROL D– D– PROTOCOL APPLICATION TRANSCEIVER ENGINE SWITCH INTERFACE INTR Q901 RESET D903 END POINT FIFO/ CONNECTOR 512M BIT FLASH ROM DPLL 8 BYTE SET-UP REGISTER • SIGNAL PATH IC602 XOUT AD0 –...

  • Page 14: Note For Printed Wiring Boards And Schematic Diagrams

    NW-S4 • Waveforms – MAIN Board – – SUB Board – 4-2. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS 1 IC901 6 (XIN) (When power on) 6 IC801 2 (X1) 0 IC302 1 (LRCK) 500 mV/DIV, 20 µs/DIV 1 V/DIV, 5 µs/DIV...

  • Page 15: Printed Wiring Board - Main Board

    NW-S4 4-3. PRINTED WIRING BOARD – MAIN Board – • Semiconductor Location Ref. No. Location MAIN BOARD (COMPONENT SIDE) D401 D402 D403 D405 D802 D901 D902 D903 IC401 IC402 IC403 IC404 IC405 IC601 F-10 IC602 IC603 IC604 IC801 IC802 IC901...

  • Page 16: Schematic Diagram - Main Board (1/2)

    NW-S4 4-4. SCHEMATIC DIAGRAM – MAIN Board (1/2) – • • See page 14 for Waveforms. See page 20 for IC Block Diagrams. (Page 17)

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

    NW-S4 4-5. SCHEMATIC DIAGRAM – MAIN Board (2/2) – • • See page 14 for Waveforms. See page 20 for IC Block Diagrams. (Page 19) (Page 16)

  • Page 18: Printed Wiring Boards - Sub Board

    NW-S4 4-6. PRINTED WIRING BOARDS – SUB Board – • Semiconductor Location Ref. No. Location SUB BOARD (COMPONENT SIDE) D101 D201 D803 D804 D805 D806 D807 D803 – 805 D808 A-10 (LCD BACK LIGHT) D809 D810 D811 D812 D813 IC301...

  • Page 19: Schematic Diagram - Sub Board

    NW-S4 4-7. SCHEMATIC DIAGRAM – SUB Board – • • See page 14 for Waveforms. See page 20 for IC Block Diagram. (Page 17)
  • Page 20 NW-S4 • IC Block Diagrams IC901 ML60851CLBZ060 (Not supplied part) – MAIN Board – IC401 MAX1674EUA-TG069 31 30 29 28 27 26 25 24 23 ZERO CROSSING – MINIMUM OFF-TIME ONE-SHOT DREQ TRIG ONE-SHOT END POINT FIFO/ STATUS/ 8BYTE SET-UP...

  • Page 21: Ic Pin Function Description

    NW-S4 4-8. IC PIN FUNCTION DESCRIPTION • MAIN BOARD IC601 TMS320DA150GGU120 (DIGITAL SIGNAL PROCESSOR) (Not supplied part) Pin No. Pin Name Description CVSS — Ground terminal — Address signal terminal Not used (open) CVSS — Ground terminal DVDD — Power supply terminal (+3.2V) —...
  • Page 22 NW-S4 Pin No. Pin Name Description HINT Interrupt request signal output terminal Not used (open) CVDD — Power supply terminal (+1.5V) BFSX0 LR frame signal output to the D/A converter (IC302) BFSX2 Chip select signal output to the EEPROM (IC603)
  • Page 23 NW-S4 Pin No. Pin Name Description System clock output terminal (16.9344MHz) X2/CLKIN System clock input terminal (16.9344MHz) Reset signal input to the CPU (IC801) “L”: reset 99 to 104 D0 to D5 Two-way data bus with the flash ROM (IC602) and USB controller (IC901) —...

  • Page 24: Avls Switch

    NW-S4 • MAIN BOARD IC801 HD6433800A02FP (CPU) Pin No. Pin Name Description IRQ1 Voltage detect input terminal Sub system clock input terminal (32.768kHz) Sub system clock output terminal (32.768kHz) — Ground terminal OSC2 Main system clock output terminal (8MHz) OSC1...

  • Page 25: Exploded Views

    NW-S4 Ver 1.2 2001.07 SECTION 5 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they may have some difference from the original are seldom required for routine service. Some one.

  • Page 26: Board Assy

    NW-S4 Ver 1.2 2001.07 5-2. BOARD ASSY J301 LCD901 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 51 3-231-286-01 RETAINER, BRACKET A-3021-450-A MAIN BOARD, COMPLETE 4-647-032-01 PLATE, LCD FITTING 1-476-366-11 JACK FLEXIBLE MODULE 4-645-370-01 BL UNIT...

  • Page 27: Electrical Parts List

    NW-S4 SECTION 6 ELECTRICAL PARTS LIST JACK FLEXIBLE KEY FLEXIBLE MAIN NOTE: When indicating parts by reference • Due to standardization, replacements in the • Items marked “*” are not stocked since they number, please include the board. parts list may be different from the parts speci- are seldom required for routine service.
  • Page 28 NW-S4 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D902 8-719-056-59 DIODE MAZS120008SO R435 1-218-977-11 RES-CHIP 100K 1/16W D903 8-719-069-29 DIODE RB520S-30TE61 R436 1-218-977-11 RES-CHIP 100K 1/16W R601 1-218-965-11 RES-CHIP 1/16W < IC > R602...
  • Page 29 NW-S4 MAIN MODE FLEXIBLE Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X802 1-795-100-21 VIBRATOR, CERAMIC (8MHz) X901 1-781-620-21 VIBRATOR, CERAMIC (48MHz) < FERRITE BEAD > ************************************************************** * FB301 1-469-229-22 FERRITE BEAD 1-476-367-11 MODE FLEXIBLE MODULE...
  • Page 30 NW-S4 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MISCELLANEOUS ************** 1-694-653-11 CONDUCTIVE BOARD, CONNECTION LCD901 1-804-392-11 DISPLAY PANEL, LIQUID CRYSTAL ************************************************************ ACCESSORIES & PACKING MATERIALS ******************************* 1-792-297-12 CABLE, CONNECTION (USB) 3-228-138-11 SOFT (CD-ROM), APPLICATION 3-231-119-11 MANUAL, INSTRUCTION (ENGLISH)
  • Page 31 NW-S4 MEMO...

  • Page 32: Revision History

    NW-S4 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. Ver. Date Description of Revision 2001.07...

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