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Sony SA-WS20R Service Manual

Sony SA-WS20R
45 pages
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SERVICE MANUAL
Conditions of Use:
(1) Please use this information only for the purpose of performing repair, maintenance and/or con guration services of the Sony products (hereinafter the “Repair services”) under the ser-
vice agreement entered into with the Sony group company (hereinafter the “Service agreement”). Using this information for any purpose other than the purpose described foregoing is
forbidden.
(2) Only the Authorized Servicer’s o cers, employees or subcontractors (including their o cers and employees) whose duties justify a need-to-know and who have agreed to hold
con dential this information (collectively hereinafter the “Permitted users”) are permitted to access and use this information. To disclose or disseminate to any person other than the
Permitted users is forbidden.
(3) Destroy or erase any and all portion of this information promptly in an irrecoverable and secure fashion after achieving the purpose described in Section (1) above.
(4) Do not copy, replicate, reproduce, alter, translate, transmit, sell, lease, or distribute this information in whole or in part without the prior written permission of the author.
(Notwithstanding foregoing, it is permitted to copy and distribute this information to the Permitted users.)
(5) Please notify immediately any leakage, loss, theft, misappropriation, or other misuse of this information by e-mail to the following address:
somk-gcs-tissnexim-adm@jp.sony.com
(6) In addition to the above, the terms and conditions of the Service agreement shall be applied to using this information.
Revision of Information:
This information may be changed or updated at any time without any prior notice. Please con rm that this information is up-to-date before using it.
Sony CONFIDENTIAL
For Authorized Servicer
Sony Home Entertainment &
Sound Products Inc.
9-896-642-05
2021B33-1
©
2021.02
HT-S20R
SA-WS20R/SS-S20R/SS20R
Note:
Be sure to keep your PC used for service and
checking of this unit always updated with the
latest version of your anti-virus software.
In case a virus a ected unit was found during
service, contact your Service Headquarters.
SYSSET
2021/02/1022:25:21(GMT+09:00)

Questions and Answers:

Sony SA-WS20R Specifications

General IconGeneral
BrandSony
ModelSA-WS20R
CategoryHome Theater System
LanguageEnglish

Summary

Specifications

Component Specifications

Detailed technical specifications for subwoofer, bar, and surround speakers.

General and Box Contents

Power requirements, consumption, dimensions, mass, and included items.

Servicing Notes

Solder Handling and Fuse Safety

Guidelines for using unleaded solder and replacing fuses safely.

Protection and Reset Procedures

Information on system protection features and reset methods.

Model Identification

Production Country and Part Numbering

How to identify product versions based on production country and labels.

Bluetooth Connection Method

Bluetooth Pairing and Operation Check

Step-by-step guide for connecting Bluetooth devices and verifying functionality.

Repair and Replacement Notes

Key notes on replacing electrical parts and applying heat radiation compound.

Disassembly

Disassembly Flow Overview

General sequence for disassembling the HT-S20R system components.

Subwoofer Component Disassembly

Procedures for removing the AMP, MAIN, POWER, and BT modules from the subwoofer.

Bar Speaker Component Disassembly

Steps for disassembling the main speaker block and grille assemblies.

Rear Panel and Foot Removal (SS-S20R)

Instructions for removing the rear panel, rubber, and cushion feet from the bar speaker.

Troubleshooting

Startup and Touch Key Malfunctions

Diagnosing and resolving issues with system startup and the touch key interface.

Audio Output Issues

Troubleshooting audio output problems across different input functions.

Diagrams

Block Diagram and Board Locations

High-level system block diagram and map of circuit board locations.

Printed Wiring Boards (PWB)

Component layouts for MAIN, USB, DISPLAY, TOUCH KEY, and POWER boards.

Schematic Diagrams

Detailed circuit schematics for MAIN, USB, DISPLAY, TOUCH KEY, and POWER boards.

IC Diagrams and Pinouts

Block diagrams and pin function descriptions for key integrated circuits.

Exploded Views

Subwoofer Exploded View

Visual breakdown of the subwoofer assembly for parts identification.

Bar Speaker Exploded View

Visual breakdown of the bar speaker assembly for parts identification.

Surround Speaker Exploded View

Visual breakdown of the surround speaker assembly for parts identification.

Electrical Parts List

Main Component Part Numbers

Comprehensive list of replaceable parts for the HT-S20R system.

Accessories

Included Accessories List

List of accessories provided with the HT-S20R system.

Revision History

Manual Update Log

Record of changes and updates made to the service manual over time.

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