Table Of Contents - Sony Walkman NW-S202 Service Manual

NW-S202/S202F/S203F/S205F
Sampling frequency*
MP3: 32, 44.1, 48 kHz
WMA: 44.1 kHz
ATRAC: 44.1 kHz
AAC: 11.025, 12, 16, 22.05, 24, 32, 44.1, 48 kHz
* Sampling frequency may not correspond to all encoders.
Frequency response
20 to 20,000 Hz (single signal measurement)
FM Frequency range (NW-S202F/S203F/S205F only)
87.5 to 108.0 MHz
IF (FM) (NW-S202F/S203F/S205F only)
375 kHz
Antenna
Headphone cord antenna
Interface
Headphone: Stereo mini
Hi-speed USB (USB 2.0 compliant)
Operating temperature
5°C to 35°C (67°F to 95°F)
Power source
• Built-in rechargeable lithium-ion battery
• USB power (from a computer through supplied USB cable)
Battery life (continuous playback)*
ATRAC format: Approximately 18 hours (Playback at 132 kbps)
ATRAC format: Approximately 17 hours (Playback at 128 kbps)
ATRAC format: Approximately 18 hours (Playback at 48 kbps)
MP3 format: Approximately 17 hours (Playback at 128 kbps)
WMA format: Approximately 15 hours (Playback at 128 kbps)
AAC format: Approximately 18 hours (Playback at 128 kbps)
FM radio reception (NW-S202F/S203F/S205F only): Approximately 8 hours
* This is when power save setting is "ON-Super", the sound quality setting (Equalizer) is "OFF" , and
G Sensor setting is "OFF". The battery duration will vary depending on temperature and usage.
Dimension (w/h/d)
96.5 × 15.0 × 15.0 mm (3.8 × 0.6 × 0.6 inches)
(w/h/d, projecting parts not included)
Mass
Approx. 26 g (Approx. 0.9 oz)
Supplied Accessories
• Headphones (1)
• USB Cable (1)
• Arm band* (1)
• Clip* (1)
This is used to clip onto your clothes when carrying the player.
• CD-ROM** (1)
- SonicStage software
- Operation Guide (PDF file)
• Quick Start Guide (1)
* The supplied items may differ depending on the country/region in which
you have purchased the player.
** Do not attempt to play this CD-ROM in an audio CD player.
Design and specifications are subject to change without notice.
US and foreign patents licensed from Dolby Laboratories.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Flexible Circuit Board Repairing
• Keep the temperature of soldering iron around 270˚C
during repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
CAUTION
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type.
2

TABLE OF CONTENTS

1. SERVICING NOTES
....................................................................... 5
2. GENERAL
3. DISASSEMBLY
3-1. Disassembly Flow ............................................................... 6
3-2. HP Cap (Inner) .................................................................... 6
3-3. Window ............................................................................... 7
3-4. USB Holder ......................................................................... 7
3-5. Panel (Sub Assy) ................................................................. 8
3-6. Organic EL Indicator Module (EL401), MAIN Board ....... 8
3-7. Chassis ................................................................................ 9
3-8. HEADPHONE Board ......................................................... 9
4. TEST MODE ............................................................... 10
5. DIAGRAMS
5-1. Block Diagram ................................................................. 11
5-2. Printed Wiring Board - MAIN Board - ............................ 14
5-3. Printed Wiring Board - SWITCH Board - ....................... 15
5-4. Schematic Diagram - MAIN Section (1/3) - ................... 16
5-5. Schematic Diagram - MAIN Section (2/3) - ................... 17
5-6. Schematic Diagram - MAIN Section (3/3) - ................... 18
5-7. Printed Wiring Board - HEADPHONE Board - .............. 19
5-8. Schematic Diagram - HEADPHONE Board - ................. 20
6. EXPLODED VIEWS
6-1. Overall Section ................................................................. 27
6-2. USB Holder Section ......................................................... 28
6-3. Panel Section .................................................................... 29
6-4. Main Section ..................................................................... 30
7. ELECTRICAL PARTS LIST
.................................................. 3
................................. 31