Brand: SONY
Category: Audio
Document Type: Quick Start Guide
Language: EN
Available Languages: EN , ES
Quick Start Guide for NWZ-B172/B172F/B173/B173F
Uploaded: Nov. 21, 2025, 6:15 p.m.
Warranty Information
No warranty information is provided in this document.
Turning Your "WALKMAN" On and Off
To turn on: Press the II button.
To turn off: Press and hold the II button.
If song playback is paused and there is no operation for a certain period of time, your Walkman turns off automatically.
How to Use Your "WALKMAN"
The Home menu is the starting point of each application.
To display the Home menu: Press and hold the BACK/HOME button.
To select an item: Rotate the shuttle switch to select an item, and then press the II button to confirm.
To return to the previous screen: Press the BACK/HOME button.
Music Library
[Voice]: Plays back/deletes sound files recorded with the built-in microphone.
[Music Library]: Plays back transferred songs.
[FM]: Plays FM radio, or plays back/deletes FM radio programs recorded.
[Settings]: Sets the function for music, FM, voice recording, or your Walkman settings.
Troubleshooting and error codes
| Symptom | Cause/Remedy |
| I cannot charge the battery. |
• Your Walkman is not connected to a USB connector on your computer properly. → Disconnect the Walkman, and then reconnect it. • The battery is charged in an ambient temperature out of the range of 5 °C (41 °F) to 35 °C (95 °F). → You cannot charge the battery when the icon appears. Charge the battery in an ambient temperature of 5 °C (41 °F) to 35 °C (95 °F). |
| [CONNECTED USB] does not appear when your Walkman is connected to the computer. |
• The computer is not on. → Turn on the computer. • Your computer has entered Sleep or Hibernation status. → Release the computer from Sleep or Hibernation status. • The USB connector on your Walkman is not connected to a USB connector on your computer properly. → Disconnect the Walkman, and then reconnect it. • A USB hub is being used. → Connect your Walkman directly to a USB connector, as connection via a USB hub may not work. However, a USB hub that supplies power can be used. |
| Your Walkman becomes unstable while it is connected to the computer. |
• Another application is running on the computer. → Disconnect your Walkman, wait a few minutes, and reconnect it. If the problem persists, disconnect the Walkman, restart the computer, and then reconnect the Walkman. • The USB connector on your computer may have a problem. → Connect your Walkman to another USB connector on your computer. • The remaining battery power is insufficient. → Charge the battery by connecting your Walkman to a running computer for at least 5 minutes. When you charge a depleted battery, the power illuminator blinks clockwise and nothing appears in the display. • A USB hub is being used. → Connect your Walkman directly to a USB connector, as connection via a USB hub may not work. However, a USB hub that supplies power can be used. |