SONY LinkBuds S WF-LS900N LinkBuds S Truly Wireless Noise Canceling Earbuds User Manual

SONY LinkBuds S WF-LS900N LinkBuds S Truly Wireless Noise Canceling

Earbuds

INTRODUCTIONS

SERVICE MANUAL
Ver. 1.0 2022.05]

• This unit has three types of names for communication name (LinkBuds S), model name (WF-LS900N) and model (YY2950). In addition, there are no unique model names for the left and right headset, charging case.
• The left and right headset, charging case included in the LinkBuds S/WF-LS900N/YY2950 are required to repairing. Check in advance that you have the left and right headset, the charging case.

IMPORTANT NOTE:
LinkBuds S/WF-LS900N/YY2950 sold in Korea and Taiwan area are replaced rather than repaired.
For Korea and Taiwan area, refer to the separately issued service manual dedicated for the Korean and Taiwan area models. Information on Korean and Taiwan area models are not included in this service manual.

• LinkBuds S/WF-LS900N/YY2950 are composed of following units.
  • Left side Headset
  • Right side Headset
  • Charging case

SPECIFICATIONS

Headset

• Power source:

  • DC 3.85 V: Built-in lithium-ion rechargeable battery
  • DC 5 V: When charged using USB

• Operating temperature:

  • 0 °C to 40 °C (32 °F to 104 °F)

• Rated power consumption:

  • 1 W (Headset), 3 W (Charging case)

• Mass:

  • Approx. 4.8 g × 2 (0.17 oz × 2) (Headset (including earbud tips (M)))
    Approx. 35 g (1.24 oz) (Charging case)

• Included items:

  • Wireless Noise Canceling Stereo Headset (1)
  • USB Type-C® cable (USB-A to USB-C®) (approx. 20 cm (7.88 in.)) (1)
  • Hybrid silicone rubber earbud tips (SS (2), S (2), M (2), LL (2))
  • Charging case (1)

Communication specification

• Communication system:
  • Bluetooth Specification version 5.2
• Output:
  • Bluetooth Specification Power Class 1
• Frequency band:
  • 2.4 GHz band (2.4000 GHz – 2.4835 GHz)
• Operating frequency (AEP, UK):
  • Bluetooth: 2,400 MHz – 2,483.5 MHz
• Maximum output power (AEP, UK):
  • Bluetooth: < 10 dBm

Design and specifications are subject to change without notice.

System requirements for battery charge using USB

USB AC adaptor
A commercially available USB AC adaptor capable of supplying an output current of 0.5 A (500 mA) or more

• Do not use a USB adaptor that exceeds the maximum output of 13 W (5 V, 2.6 A). (US, CND, PX, LA)

Compatible  iPhone/iPod models

• iPhone 12 Pro Max, iPhone 12 Pro, iPhone 12, iPhone 12 mini,
• iPhone SE (2nd generation), iPhone 11 Pro Max, iPhone 11 Pro,
• iPhone 11, iPhone XS Max, iPhone XS, iPhone XR, iPhone X, iPhone 8 Plus, iPhone 8,
• iPhone 7 Plus, iPhone 7, iPhone SE, iPhone 6s Plus, iPhone 6s, iPhone 6 Plus,
• iPhone 6, iPhone 5s, iPod touch (7th generation),
• iPod touch (6th generation)
• (As of February 2022)

Design and specifications are subject to change without notice.

Trademarks

• Apple, iPhone, iPod and iPod touch are trademarks of Apple Inc., registered in the U.S. and other countries.
• The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Sony Group Corporation and its subsidiaries is under license.
• USB Type-C® and USB-C® are registered trademarks of USB Implementers Forum.
• All other trademarks and registered trademarks are trademarks or registered trademarks of their respective holders. In this manual, TM and ® marks are not specified.

SECTION 1 SERVICING NOTES

The SERVICING NOTES contains important information for servicing. Be sure to read this section before repairing the unit.

ABOUT MODEL NAME
This unit has three types of names.

• Communication name : LinkBuds S
• Model name : WF-LS900N
• Model : YY2950

Note: There are no unique model names for the left and right headset, charging case.

ADVANCE CHECKING WHEN REPAIRING
LinkBuds S/WF-LS900N/YY2950 are composed of left and right headset, charging case. The left and right headset, charging case included in the LinkBuds S/WF- LS900N/YY2950 are required to repairing. Check in advance that you have the left and right headset, the charging case.

COLOR VARIATIONS
(B) Black, (C) Ecru, (W) White

DESTINATION ABBREVIATIONS
The following abbreviations for model destinations are used in this service manual.

• Abbreviations

  • AEP, UK : European area, East European area, CIS area (Moldova, Ukraine) and Middle East area (Israel, Palestine) models

  • CH : Chinese model

  • E, AUS, RU : CIS area (Except for Moldova, Ukraine), Middle East area (Except for Israel, Palestine), South East Asian area (Except for India), East Asian
    area (Except for China, Korea, Taiwan area), Oceania area and African area models

  • US, CND, PX, LA : US, Canadian, PX and Latin American area models

IMPORTANT NOTE:
LinkBuds S/WF-LS900N/YY2950 sold in Korea and Taiwan area are re-placed rather than repaired.
For Korea and Taiwan area, refer to the separately issued service manual dedicated for the Korean and Taiwan area models.
Information on Korean and Taiwan area models are not included in this service manual.

MODEL IDENTIFICATION

When identifying the destination, refer to the model number label indicated on the bottom of the charging case.
Note 1: The contents of the model number label may be changed in the midway of production.
Note 2: It cannot identify the destination by referring to the left and right headset.

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