LG SN4A - SECTION 1 SUMMARY

1-2
Copyright © 2021 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
SECTION 1
SUMMARY
CONTENTS
PRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO PRODUCTS .................................................... 1-3
SERVICING PRECAUTIONS ............................................................................................................................ 1-4
• GENERAL SERVICING PRECAUTIONS
• INSULATION CHECKING PRODEDURE
• ELECTROSTATICALLY SENSITIVE (ES) DEVICES
LOCATION OF CUSTOMER CONTROLS ........................................................................................................ 1-5
WIRELESS SUBWOOFER CONNECTION ....................................................................................................... 1-6
HIDDEN KEY MODE ......................................................................................................................................... 1-7
SOFTWARE UPDATE GUIDE ........................................................................................................................... 1-8
SPECIFICATIONS ........................................................................................................................................... 1-15