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NW-MS9 SERVICE MANUAL US Model Canadian Model Ver 1.2 2001.09 AEP Model UK Model E Model Australian Model Chinese Model SPECIFICATIONS PORTABLE MEMORY STICK AUDIO PLAYER Sony Corporation 9-873-028-13 2001I0500-1 Personal Audio Company C 2001.9 Shinagawa Tec Service Manual Production Group...
3-5. Chassis (Main) Assy ............7 of the copyright holders. • Sony is not responsible for music files that are not saved on your computer due to unsuccessful recording 3-6. “Console Unit”, “SUB Board”, “MAIN Board” .... 8 from CD or music downloading.
NW-MS9 SECTION 1 SERVICING NOTES • NOTE FOR REPLACING THE EEPROM (IC6002) In case of replacing the EEPROM (IC6002) when repairing this set, it is necessary to write the setting for destination. When replacing the EEPROM (IC6002), write the setting for destination, referring to “4.
NW-MS9 SECTION 2 This section is extracted from instruction manual. GENERAL (rear) Looking at the controls Network Walkman (front) 6 i (Headphones/earphones) jack (page 11) 7 Hole for attaching the key ring or strap (The strap is not supplied) 8 HOLD switch (page 16) 9 MEGA BASS/AVLS button (page 14) 0 VOLUME +/–...
NW-MS9 SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW 3-2. Case block assy 3-3. Case 3-4. Guide (LED) 3-5. Chassis (main) assy 3-6. “Console unit”, 3-7. Console assy 3-8. Console board “Sub board”...
NW-MS9 3-3. CASE console unit knob (hold) console unit switch knob (hold) 1 Inclining the console unit in the direction of arrow, remove the switch from the knob (hold). 3 case 2 Take off the console flexible board from the case.
NW-MS9 Ver 1.1 3-4. GUIDE (LED) 7 Remove the guide (LED) in the direction of arrow B . 5 two claws 6 cover (side) × 4 screw (M1.4 3 label, model number 1 Open the lid (PC) in the direction of arrow A .
NW-MS9 3-6. “CONSOLE UNIT”, “SUB BOARD”, “MAIN BOARD” 4 console unit 3 console flexible board (CN300) 1 connector (CN200) 6 MAIN board 5 SUB board 3-7. CONSOLE ASSY 5 console assy 3 Remove the CONSOLE board in the direction of arrow A .
NW-MS9 SECTION 4 TEST MODE [Preparation] Checking consumed electric current is one of the items to check. Connect an ammeter before setting the test mode. (Refer to the following figure) regulated dc ammeter power supply – – 1.23Vdc – MAIN BOARD (Conductor Side) –...
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NW-MS9 [Flow Chart of Operations in the Test Mode] Enter the test mode 1. ROM/RAM Self-check 2. Display of version and destination [VOLUME+] [VOLUME--] [DISPLAY] 3. Writing destination 8. Sleep mode (Checking voltage and (Checking consumed electric current) consumed electric current)
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NW-MS9 3. Writing Destination (Checking Voltage and Consumed Electric Current) After entering this mode, display of version and destination blinks. (The LCD back light turns off) 3-1. Checking voltage and consumed electric current Note: Perform checking voltage and consumed electric current with the LCD back light off.
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NW-MS9 6. USB Self-check The indication is displayed as below after entering this mode. display 3.USB > This mode is not used in servicing. [MENU] Press the key to go to the next RTC self-check. 7. RTC Self-check The indication is displayed as below after entering this mode.
NW-MS9 5-3. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Note on Printed Wiring Boards: Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF • X : parts extracted from the component side. • Y : parts extracted from the conductor side.
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NW-MS9 • IC Block Diagrams – MAIN Board – IC1001 RV5C348A-E2 ALARM W REGISTER VOLTAGE COMPARATOR W (WEEK,MIN,HOUR) DETECT 32KHz 32K OUT OUTPUT ALARM D REGISTER CONTROL COMPARATOR D (MIN,HOUR) OSC IN TIME COUNTER DIVIDER (SEC,MIN,HOUR,WEEK,DAY,MONTH,YEAR) CORRECTION OSC OUT SCLK...
NW-MS9 5-12. IC PIN FUNCTION DESCRIPTION • MAIN BOARD IC7001 CXD9534BGG (SYSTEM CONTROLLER) Pin No. Pin Name Description Two-way data bus with the flash memory (IC5000), S-RAM (IC5600) and CXD1859GA 1 to 7 D6 to D0 (IC8000) VDDIO1 — Power supply terminal (+2.8V) VSSIO1 —...
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NW-MS9 Pin No. Pin Name Description System hold off signal input from the HOLD switch of console unit WAKE1 The signal input, when switch position is changed from on to off WAKE0 System wake up signal input by any key is pressed...
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NW-MS9 Pin No. Pin Name Description USB XDET Not used (open) VBUS XON Not used (open) VBUS INT USB connect detection signal input from the voltage detector (IC9003) USB XDREQ Not used (fixed at “L”) USB XINT Not used (fixed at “L”)
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NW-MS9 Pin No. Pin Name Description VDDIO2 — Power supply terminal (+2.8V) VSSIO2 — Ground terminal 173 to 180 Not used (open) FRIO8 to FRIO15 VDDIO2 — Power supply terminal (+2.8V) VSSIO2 — Ground terminal 183 to 187 FRCE0 to FRCE4...
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NW-MS9 Pin No. Pin Name Description XTRSTD Not used (open) VSSCORE — Ground terminal TDOD Not used (open) Not used (open) VDDCORE — Power supply terminal (+1.8V) 240, 241 MSEL0D, MSEL1D Not used (open) 242, 243 MSEL1, MSEL0 Not used (open) VSSIO1 —...
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NW-MS9 • MAIN BOARD IC8000 CXD1859GA (DIGITAL SIGNAL PROCESSOR, MAGIC GATE CORE, MEMORY STICK INTERFACE, USB INTERFACE) Pin No. Pin Name Description CLKSEL2 Clock mode setting terminal Fixed at “L” in this set XTAL0 Sub system clock output terminal (22.5MHz) Not used (open)
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NW-MS9 Pin No. Pin Name Description Two-way data bus with the flash memory (IC5000), S-RAM (IC5600) and system controller 54 to 56 DB12 to DB14 (IC7001) VSS6 — Ground terminal Two-way data bus with the flash memory (IC5000), S-RAM (IC5600) and system controller...
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NW-MS9 Pin No. Pin Name Description TKTINT Not used (open) Mode setting terminal Fixed at “H” in this set VDE7 — Power supply terminal (+2.8V) 114, 115 MD1, MD2 Mode setting terminal Fixed at “H” in this set TRST Not used (fixed at “L”) VSS13 —...
NW-MS9 Ver 1.2 SECTION 6 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they • Abbreviation may have some difference from the original are seldom required for routine service. Some AUS : Australian model one.
NW-MS9 Ver 1.2 SECTION 7 ELECTRICAL PARTS LIST MAIN NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by parts list may be different from the parts speci- are seldom required for routine service.
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NW-MS9 BATTERY CHARGER (1) BC-9HG2 RECHARGEABLE BATTERY (1) USB CABLE (1) CARRYING POUCH (1) EARPHONES (1) RECHAGEABLE BATTERY CARRYING CASE (1) Note : Name of these illustrated parts are described as they are in the operating instructions.
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NW-MS9 US Model Canadian Model SERVICE MANUAL AEP Model UK Model E Model Ver 1.2 2001.09 Australian Model Chinese Model SUPPLEMENT-1 Subject: Printed Wiring Boards Modification (ECN-IRA00617) • NEW/FORMER TYPE DISCRIMINATION – MAIN BOARD (Conductor Side) – Former type (SUFFIX-12)
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NW-MS9 DIAGRAMS 1-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Note on Printed Wiring Boards: Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF • X : parts extracted from the component side.
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NW-MS9 MAIN ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they When indicating parts by reference parts list may be different from the parts speci- are seldom required for routine service.
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NW-MS9 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 •...