Sony NW-MS7 Service Manual
  1. Manuals
  2. Brands
  3. Sony Manuals
  4. MP3 Player
  5. NW-MS7 - Memory Stick Walkman
  6. Service manual
Sony NW-MS7 Service Manual

Sony NW-MS7 Service Manual

Portable memory stick player
Hide thumbs Also See for NW-MS7:
Table of Contents

Advertisement

Quick Links

See also: Basic Manual
SERVICE MANUAL
Ver 1.1 2000. 03
Recording time
About 60 min. (132 kbps)
About 80 min. (105 kbps)
About 120 min. (66 kbps)
Sampling frequency response
44.1 kHz
Recording format
ATRAC3
Frequency response
20 to 20,000 Hz (single signal measurement)
Output
Headphone: stereo mini-jack
Signal-to-noise ratio (S/N)
More than 80 dB (excluding 66 kbps)
Dynamic range
More than 85 dB (excluding 66 kbps)
Operating temperature
5°C to 35°C (–41°F to 95°F)
Power source
DC IN 3.7 V (internal Lithium-ion battery)
DC IN 5.5 V (supplied AC power adaptor)
Battery life
About 4 hours
NW-MS7
SPECIFICATIONS
Dimensions (approx.)
37 × 96.3 × 19.2 mm
× 3
×
(1
1/2
7/8
25/32
(w/h/d, projecting parts not included)
Mass (approx.)
70 g (2.5 oz) (internal battery and a
"Memory Stick" included)
Supplied accessories
64 MB "MG Memory Stick" (MSG-64A)
AC power adaptor (AC-NW55NA)
DC/USB adaptor
Headphone
Headphone extension cord
USB cable
CD-ROM
Strap (US model)
Carrying pouch (except US model)
Instruction manual
Design and specifications are subject to change without
notice.
PORTABLE MEMORY STICK PLAYER
– 1 –
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
inches)

Advertisement

Table of Contents
loading

Related Manuals for Sony NW-MS7

Summary of Contents for Sony NW-MS7

  • Page 1 NW-MS7 SERVICE MANUAL US Model Canadian Model Ver 1.1 2000. 03 AEP Model UK Model E Model Australian Model SPECIFICATIONS Recording time Dimensions (approx.) 37 × 96.3 × 19.2 mm About 60 min. (132 kbps) × 3 × About 80 min. (105 kbps)

  • Page 2: Table Of Contents

    THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. • Never reuse a disconnected chip component. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE • Notice that the minus side of a tantalum capacitor may be PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR damaged by heat.

  • Page 3: General

    SECTION 1 GENERAL This section is extracted from instruction manual. (rear) DC/USB adaptor Looking at the controls (front) Memory Stick Walkman (front) 1 BATTERY CHARGE lamp (page 10) 2 Connector (page 10) 3 DC IN 5.5 V jack (page 10, 13) 7 Strap hole for attaching the strap (supplied with U.S.A.

  • Page 4: Installing The Openmg Jukebox Software

    Please follow the on-screen instructions to retain all existing music files and update your software. 3 After your update is completed, restart the computer. Then double-click the “OpenMG(NW-MS7) Registration” icon on your desktop and follow the instructions to register. Notes Follow the instructions in the Installer window to complete the installation.

  • Page 5: Listening To Music With The Memory Stick Walkman

    To stop the recording Listening to music with Memory Stick Click x. The recording will be interrupted. Click z again to continue the recording. Walkman zTo select only certain items Please charge the battery before use (see page 10). Click the check box of the contents you do not want to record to remove the check, then click z. Note zOn the bit rate When using Memory Stick Walkman, be sure to disonnect it from the computer.

  • Page 6: Changing The Display Mode

    Playing in various modes (continued) Playing tracks repeatedly Press the MENU button. Protecting your hearing Changing the (REPEAT) The display returns to normal. (AVLS) display mode You can play tracks repeatedly in three ways- The AVLS (Automatic Volume Limiter all repeat, single repeat and shuffle repeat. You can change the display mode and display System) function keeps down the maximum To exit from the Menu mode...

  • Page 7: Openmg Jukebox

    Changing the settings of Memory Stick Walkman (continued) To format the “Memory To switch between 24 hour display and Press the Jog lever. 12 hour display To set the date and time Stick” (FORMAT) “FORMATTING” appears in the display, Press the DISPLAY button during the setting. (DATE &...

  • Page 8: Disassembly

    SECTION 2 DISASSEMBLY Note : This set can be disassemble according to the following sequence. Lid, Battery Case Case Assy Main Board LCD Block HP Board, CN Board Note : Follow the disassembly procedure in the numerical order given. 2-1. LID, BATTERY CASE 1 Move the stopper in the direction of the arrow with a screwdriver or other means, then push in the claw.

  • Page 9: Lid Assy (Service), Upper

    2-2. LID ASSY (SERVICE), UPPER Note : When removing the “lid assy (service), upper”, remove the parts in the following order as the claws are easy to be broken. 1 CN701 2 B1.7x9 9 Use your fingernail to push the “lid assy (service), upper” up. Push the “lid assy (service), upper”...

  • Page 10: Main Board

    • Note for installation LCD unit flexiblecable Place the slag in the flexible cable under the LCD unit. LCD unit LCD unit LCD unit Insert the memory stick and check for opening and closing of the shutter. When installing, adjust the knob (EJECT) If NG, the memory stick shutter cannot be fully closed, to the claw on the eject mechanism.

  • Page 11: Lcd Block

    2-4. LCD BLOCK 3 claw 7 LCD block assy 4 claw 2 claw 5 CN702 8 MAIN board 1 Removal the solders. 2-5. HP BOARD, CN BOARD 3 screw 4 CN board 1 screw 2 HP board – 11 –...

  • Page 12: Test Mode

    TEST MODE. will present the displays below. 3-2. TOOLS BASSwa31SHUFu 1. Memory stick player NW-MS7 2. Test memory stick Note: This test requires the memory stick for operational check. Once created, the memory stick for test may be used for each test.
  • Page 13 Test MS Test No. Test item STEP Test item Description of the test playback Display display track Test ¢C SoundTest Channel balance (XP) 1 kHz (0 dB) in the test memory stick is played back. Channel separation L: 1 kHz (0 dB) reference/R: mute in the test memory stick Test ¢D SoundTest (L) IN >...

  • Page 14: Creating The Memory Stick For Operational Check

    1. Mount the Open MG Jukebox CD ROM in the drive of a computer and install the software. (For more information, refer to This manual "Setup 3: Installing the OpenMG Jukebox software" on page 4.) 2. Connect the memory stick player NW-MS7 to the computer. Clear All button USB cable (supplied) 6.
  • Page 15 3-6-4. Checkout (to load music data to the memory stick) 14. Verify that the Portable Player screen is displayed at the right side of the Open MG Jukebox screen. (If not displayed, click Portable Player .) 15. Click Original on the Open MG Jukebox screen to display the recorded contents of the CD.

  • Page 16: Diagrams

    SECTION 4 DIAGRAMS 4-1. IC PIN DESCRIPTION • IC701 HD64F7198RVDP16 (SYSTEM CONTROL) Pin No. Pin Name Pin Description XCS5 F_XCS EEPROM chip select signal output terminal XCS4 LCD_XCS LCD chip select signal output terminal — Power supply terminal XCS3 U_XCS USB chip select signal output terminal XCS2 SRAM_XCS S-RAM chip select signal output terminal...
  • Page 17 Pin No. Pin Name Pin Description — Power supply terminal — Ground PD31 F_SO EEPROM serial data signal input terminal PD30 F_SI EEPROM serial data signal output terminal PD29 F_CLK EEPROM clock signal output terminal PD28 U_XRST USB reset signal output terminal PD27 G_XRST ATRAC3 IC reset signal output terminal PD26 F_RST...
  • Page 18 Pin No. Pin Name Pin Description XTAL32 Sub clock signal output terminal Not used. (Open) EXTAL32 Sub clock signal input terminal — Power supply terminal TXD2 ST_DI ST transceiver data signal output terminal TXD2: Not used. SCK2 System clock signal output terminal Not used. (Open) —...

  • Page 19: Block Diagram -Audio Section (1/2)

    NW-MS7 4-2. BLOCK DIAGRAM — AUDIO SECTION (1/2) — TRST RESET UNIVERSAL SERIAL BUS DEVICE CONTROL IC704 D0-D15 D0-D15 USB D- BATTERY DEVICE CHARGER CONTROL USB D+ TRANSCEIVER SERIAL (1/2) UNIT A1-A6 A1-A6 INTERFACE ENGINE TR ON REGISTER END POINT...

  • Page 20: Block Diagram -Audio Section (2/2)

    NW-MS7 4-3. BLOCK DIAGRAM — AUDIO SECTION (2/2) — X702 22.5792MHz 48 49 ATRAC3 ENCODER/DECODER IC703 REALTIME CLOCK MAGIC GATE IC IC706 IC702 FS512F EXTAL FREQUENCY X706 OSCILLATION DIVISION, 32.768kHz XOUT CLOCK DODT CIRCUIT TIMING CLOCK FIFO0 ATRAC GENERATOR PRODUCTION...

  • Page 21: Block Diagram -Power Supply Section

    NW-MS7 4-4. BLOCK DIAGRAM — POWER SUPPLY SECTION — S701 (EJECT) S807 EJECT DETECTOR (FUNCTION) XIRQ3 MS EJ Q709 +3.3V REGULATOR S806 JOG PLAY/PAUSE IC707 HOLD D801 D802 PH0 HOLD VOLTAGE REFERENCE PH1 JOG WAKE UP SWITCH PI7 STOP Q804...

  • Page 22: Printed Wiring Board -Main Board

    NW-MS7 4-5. PRINTED WIRING BOARD — MAIN BOARD — BOARD (Page 37) CN705 MAIN BOARD (COMPONENT SIDE) R551 IC706 C102 R722 Q705 R704 C302 R727 R725 L707 R552 R744 CN707 R734 R757 R737 R553 C109 C757 Q715 R101 R721 C726...
  • Page 23 NW-MS7 • Refer to page 25 for Comon note on Printed Wiring Board. MAIN BOARD (CONDUCTOR SIDE) S805 S806 HOLD C705 X706 L703 S701 C704 C703 Q709 (EJECT) C741 S805 S802 S802 R709 C901 L705 R740 R717 IC705 Q713 Q703...

  • Page 24: Schematic Diagram -Main Board (1/4)

    NW-MS7 4-6. SCHEMATIC DIAGRAM — MAIN BOARD (1/4) — • Refer to page 41 for IC Block Diagrams and page 36 for Waveforms. • Refer to page 26 for Comon note on Schematic Diagram. (Page CSP (Chip Size Package) (Page 31)

  • Page 25: Schematic Diagram -Main Board (2/4)

    NW-MS7 4-7. SCHEMATIC DIAGRAM — MAIN BOARD (2/4) — • Refer to page 41 for IC Block Diagrams and page 36 for Waveforms. • Refer to page 26 for Comon note on Schematic Diagram. (Page 35) (Page 33) (Page 30) CSP (Chip Size Package) –...

  • Page 26: Schematic Diagram -Main Board (3/4)

    NW-MS7 4-8. SCHEMATIC DIAGRAM — MAIN BOARD (3/4) — • Refer to page 42 for IC Block Diagrams. • Refer to page 26 for Comon note on Schematic Diagram. (Page 32) (Page 35) (Page 29) – 33 – – 34 –...

  • Page 27: Schematic Diagram -Main Board (4/4)

    NW-MS7 4-9. SCHEMATIC DIAGRAM — MAIN BOARD (4/4) — • Refer to page 43 for IC Block Diagrams. • Refer to page 26 for Comon note on Schematic Diagram. (Page 32) (Page 39) • Waveforms (MODE:PLAY) 20mV/div 50nsec/div (Page 30)

  • Page 28: Printed Wiring Boards -Cn Board, Hp Board

    NW-MS7 4-10. PRINTED WIRING BOARDS — CN BOARD, HP BOARD — CN BOARD (COMPONENT SIDE) CN BOARD (CONDUCTOR SIDE) 15 19 FB912 FB911 FB909 CN901 LF901 CN902 6 10 16 20 BATTERY MAIN CHARGER BOARD CN706 (Page 25) 1-675-323- 11...

  • Page 29: Schematic Diagrams -Cn Board, Hp Board

    NW-MS7 4-11. SCHEMATIC DIAGRAMS — CN BOARD, HP BOARD — • Refer to page 44 for IC Block Diagrams. (Page 29) (Page 36) Note:When repair or replacing the CN board, replace it with the CN board, complete. – 39 –...

  • Page 30: Ic Block Diagrams

    4-12. IC BLOCK DIAGRAMS IC705 AK6417AM-E2 IC703 CXD1858GA IC711 – 713 TC7SH08FU-TE85R VREF GENERATOR 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 IN B VPP SW INSTRUCTION DECODE...
  • Page 31 IC504 S-80856ALNP-EEL-T2 IC505 S-8520F33MC-BNS-T2 VREF 2 VDD VOUT PWM CONTROL, OSCILLATION PWM/PFM SWITCH CIRCUIT CONTROL CIRCUIT 1 OUT REFERENCE VOLTAGE SUPPLY (SOFT START) ON/XOFF IC506 S-8328B33MC-EWN-T2 3 NC IC507 PST3432UL VREF VREF 2 VDD 2 VOUT SOFT CONTROL START CIRCUIT CIRCUIT 1 OUT 1 ON/XOFF...
  • Page 32 IC302 TA2131FL (EL) BEEP VREF V REF LPF1 MTTC BSTNF1 BST1 LPF2 BST2 BEEPOUTB BSTNF2 BSTOUT BEEPOUTA – 44 –...

  • Page 33: Exploded Views

    SECTION 5 EXPLODED VIEWS NOTE: • The mechanical parts with no reference • Color Indication of Appearance Parts The components identified by mark 0 or dotted line with mark number in the exploded views are not supplied. Example : 0 are critical for safety. •...

  • Page 34: Electrical Parts List

    SECTION 6 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in • SEMICONDUCTORS The components identified by mark 0 or dotted line with mark the parts list may be different from the In each case, u : µ, for example: 0 are critical for safety.
  • Page 35 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-3323-397-A MAIN BOARD, COMPLETE C723 1-164-360-11 CERAMIC CHIP 0.1uF C724 1-107-826-11 CERAMIC CHIP 0.1uF ********************* C726 1-125-839-11 TANTAL. CHIP 47uF 6.3V < CAPACITOR > C728 1-164-360-11 CERAMIC CHIP 0.1uF C729 1-107-826-11 CERAMIC CHIP...
  • Page 36 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * CN701 1-793-751-21 CONNECTOR, FPC (ZIF) 10P < JUMPER RESISTOR > * CN702 1-793-750-21 CONNECTOR, FPC (ZIF) 22P CN706 1-793-754-21 CONNECTOR, BOARD TO BOARD 24P JC702 1-218-990-11 SHORT * CN707 1-793-752-21 CONNECTOR, BOARD TO BOARD 20P JC703...
  • Page 37 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q708 8-729-048-04 FET 3LN01S-TL R708 1-218-965-11 RES-CHIP 1/16W Q709 8-729-048-04 FET 3LN01S-TL R709 1-218-985-11 RES-CHIP 470K 1/16W Q711 8-729-048-04 FET 3LN01S-TL R710 1-218-977-11 RES-CHIP 100K 1/16W Q713 8-729-048-04 FET 3LN01S-TL R712 1-218-965-11 RES-CHIP...
  • Page 38 NW-MS7 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R810 1-218-985-11 RES-CHIP 470K 1/16W ACCESSORIES & PACKING MATERIALS R811 1-218-965-11 RES-CHIP 1/16W ******************************** R812 1-218-977-11 RES-CHIP 100K 1/16W 0 51 R813 1-218-985-11 RES-CHIP 470K 1/16W...

Table of Contents