1. Introduction
This manual provides essential information for the safe and effective use of your SONY Walkman S Series NW-S784/PI digital music player. Please read this manual thoroughly before using the device and retain it for future reference.
The Walkman S Series NW-S784/PI is designed for high-quality audio and video playback, offering a range of features including Bluetooth connectivity, long battery life, and various sound enhancement technologies.
2. Product Overview
The SONY Walkman NW-S784/PI is a compact digital media player featuring a 2.0-inch display. It supports multiple audio and video codecs, ensuring compatibility with a wide range of media files.
Key Features:
- Multi-Codec Support: Compatible with MP3, AAC, WMA/WMV, L-PCM, FLAC, Apple Lossless for audio, and H264/AVC, MP4 for video.
- Extended Battery Life: Enjoy approximately 77 hours of music playback (MP3 128kbps).
- Bluetooth Connectivity: Equipped with Bluetooth (AVRCP/A2DP/OPP) for wireless audio streaming.
- High-Quality Sound: Incorporates Digital Noise Cancelling, Clear Phase, Clear Bass, Clear Stereo, and DSEE technologies for an enhanced listening experience.
- Direct Recording: Record audio directly from CD/MD players using an optional recording cable (WMC-NWR1).
- Smartphone Charging: Features a function to charge smartphones using an optional cable (WMC-NWC10).
Device Layout:
Below is an image illustrating the main components and controls of the Walkman NW-S784/PI.

Figure 1: SONY Walkman NW-S784/PI in light pink, shown with white wired headphones. The device features a screen displaying icons for various functions, and a circular control pad with 'HOME', 'BACK', 'OPTION', and playback buttons. The headphone jack is located at the bottom.
3. Setup
3.1 Initial Charging
Before first use, fully charge your Walkman. Connect the device to a computer's USB port or a compatible USB AC adapter (sold separately) using the supplied USB cable. The battery indicator on the screen will show charging status.
3.2 Connecting Headphones
Insert the headphone plug firmly into the headphone jack located at the bottom of the Walkman. Ensure a secure connection for optimal audio quality.
3.3 Transferring Content
To transfer music, videos, and photos to your Walkman, connect it to your computer using the supplied USB cable. Use compatible software such as "x-アプリ" or "Media Go" (available for download from Sony's support website) to manage and transfer your media files. Follow the on-screen instructions provided by the software.
4. Operating Instructions
4.1 Basic Controls
- Power On/Off: Press and hold the power button (location may vary, typically on the side or top) until the screen turns on/off.
- Volume Adjustment: Use the volume buttons (typically on the side) to increase or decrease the audio output.
- Navigation: Use the circular control pad to navigate through menus. The central button typically acts as 'Enter' or 'Play/Pause'.
- HOME Button: Returns to the main menu screen.
- BACK Button: Returns to the previous screen or menu.
- OPTION Button: Accesses context-sensitive options for the current screen or playback.
4.2 Music Playback
- From the Home screen, select the Music icon.
- Browse your music library by artist, album, song, or playlist.
- Select a song and press the central button on the control pad to begin playback.
- During playback, use the navigation buttons to skip tracks or fast forward/rewind.
Special Music Features:
- Lyrics Pita™: Displays lyrics that scroll automatically with the music. (Requires membership registration and paid download of lyrics data via PC software like "x-アプリ" or "Media Go".)
- Karaoke Mode: Reduces vocal volume and allows key control for karaoke practice.
- Dance Mode: Provides features useful for dance practice.
- Omakase Channel: Automatically selects songs based on your mood or scene.
4.3 Video Playback
- From the Home screen, select the Video icon.
- Browse and select the video you wish to play.
- Press the central button to start playback.
4.4 Photo Viewing
- From the Home screen, select the Photo icon.
- Navigate through your photo albums and select an image to view.
4.5 FM Radio
Connect your headphones, as they act as the antenna. From the Home screen, select the FM Radio icon to access and tune into radio stations.
4.6 Language Learning Functions
The Walkman includes features to support language learning:
- Playback Speed Control: Adjust the playback speed without changing the pitch.
- A-B Repeat Playback: Repeat a specific section of audio.
- Quick Replay: Instantly jump back a few seconds during playback.
4.7 Bluetooth Connectivity
To connect to Bluetooth headphones or speakers:
- Ensure the Bluetooth device is in pairing mode.
- On your Walkman, navigate to the Bluetooth settings (usually found in the main settings menu).
- Select "Add Device" or "Pairing" and choose your Bluetooth device from the list.
- Follow any on-screen prompts to complete the pairing process.
4.8 Direct Recording (PC-less)
You can record audio directly from external sources like CD or MD players without a PC. This requires the optional recording cable (WMC-NWR1). Connect the cable between your Walkman and the audio source, then follow the recording instructions on your device.
For editing recorded track names, album names, and artist names directly on the device, an optional character input pad (KPD-NWU10) can be used.
5. Maintenance
5.1 Cleaning the Device
Wipe the Walkman's surface with a soft, dry cloth. Avoid using abrasive cleaners, solvents, or alcohol, as these can damage the finish. For the screen, use a screen-specific cleaning cloth.
5.2 Battery Care
To prolong battery life, avoid exposing the device to extreme temperatures. If the device will not be used for an extended period, charge it to about 50% before storing. Fully discharging the battery frequently can reduce its overall lifespan.
5.3 Software Updates
Periodically check the Sony support website for any available software updates for your Walkman model. Updates can improve performance, add new features, or fix bugs. Follow the instructions provided with the update carefully.
6. Troubleshooting
If you encounter issues with your Walkman, refer to the following common solutions:
- Device does not turn on: Ensure the battery is charged. Connect the Walkman to a power source and try again.
- No sound: Check headphone connection, adjust volume, and ensure the device is not muted. Verify that the audio file is not corrupted.
- Cannot connect via Bluetooth: Ensure Bluetooth is enabled on both devices and they are in pairing mode. Move devices closer to each other.
- Cannot transfer files: Ensure the USB cable is properly connected and the computer recognizes the device. Try restarting both the Walkman and the computer.
- Device freezes or is unresponsive: Press and hold the power button for about 10-15 seconds to force a restart.
For more detailed troubleshooting, please visit the official Sony support website for your specific model.
7. Specifications
| Feature | Specification |
|---|---|
| Model Name | NW-S784/PI |
| Brand | Sony |
| Color | Light Pink |
| Memory Storage Capacity | 8 GB |
| Connectivity Technology | Bluetooth |
| Compatible Devices | Headphones |
| Display Technology | LCD |
| Supported Standards | AAC, ALAC, FLAC, MP3, PCM, WMA |
| Battery Type | Lithium Ion |
| Battery Life (Music Playback) | Up to 77 Hours (MP3 128kbps) |
| Item Weight | 50 Grams |
8. Warranty and Support
For warranty information, please refer to the warranty card included with your product or visit the official Sony support website. For technical assistance, product registration, or to download the latest software and drivers, please visit the Sony support website for your region.
Online Support: www.sony.com/electronics/support