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LG LAS950M User Manual

LG LAS950M
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SMART Hi-Fi AUDIO
Wireless Multi-room Sound Bar
SERVICE MANUAL
MODEL: LAS950M
(LAS950M, S95A1-D)
CAUTION
BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS”
IN THIS MANUAL.
Internal Use Only
MODEL: LAS950M (LAS950M, S95A1-D)SERVICE MANUAL
P/NO : AFN77195062 JANUARY, 2016

Table of Contents

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LG LAS950M Specifications

General IconGeneral
Audio decoders-
RMS rated power325 W
Audio output channels7.1 channels
Impedance4 Ω
Tweeter diameter20 mm
Soundbar speaker RMS power150 W
Woofer diameter (imperial)3 \
Signal-to-Noise Ratio (SNR)82 dB
Subwoofer includedYes
Receiver includedNo
Product colorBlack
Apple docking compatibilityNot supported
HDMI in3
Bluetooth version4.0
HDMI ports quantity4
Number of HDMI outputs1
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Connectivity technologyWired & Wireless
Digital audio optical in2
AC input voltage100-240 V
AC input frequency50 - 60 Hz
Power consumption (standby)0.5 W
Power consumption (typical)85 W
Package depth352 mm
Package width1166 mm
Package height516 mm
Package weight19600 g
Weight and Dimensions IconWeight and Dimensions
Depth135 mm
Width1100 mm
Height106 mm
Soundbar weight8220 g
Subwoofer width296 mm
Subwoofer height332 mm
Subwoofer weight7600 g

Summary

Section 1: Summary

Product Safety Servicing Guidelines

Guidelines for safe servicing of audio products.

Servicing Precautions

General precautions for servicing audio products.

Wireless Subwoofer Connection

Instructions for connecting the wireless subwoofer.

LAN Update Guide

Guide for updating firmware via LAN.

Software Update Guide

Instructions for software updates.

Wireless Factory Reset & Pairing

Procedures for wireless factory reset and pairing.

Hidden Mode

Information on accessing hidden modes.

Version Check

Procedure to check the product version.

Option Edit Guide

Guide for editing product options.

Specifications

Technical specifications of the product.

Section 2: Electrical

One Point Repair Guide

Troubleshooting for common problems.

Electrical Troubleshooting Guide

Detailed guides for electrical fault diagnosis.

Waveforms of Major Check Points

Oscilloscope waveform examples for diagnostics.

Wiring Diagram

Diagram showing interconnections between components.

Block Diagrams

High-level overview of system architecture.

Circuit Diagrams

Detailed schematics of various circuit sections.

Circuit Voltage Chart

Table of voltage specifications and measurements.

Printed Circuit Board Diagrams

Layouts of PCB components.

Section 3: Cabinet & Main Chassis

Disassembly Instructions

Step-by-step guide for disassembling the unit.

Exploded Views: Main Set Section

Visual breakdown of the main soundbar unit components.

Exploded Views: Wireless Subwoofer Section

Visual breakdown of the wireless subwoofer unit components.

Packing Accessory Section

Visual breakdown of product packaging and accessories.

Section 4: Wireless Subwoofer Part

One Point Repair Guide

Troubleshooting common issues for the subwoofer.

Circuit Diagrams

Schematics for the subwoofer's internal circuits.

Printed Circuit Board Diagrams

Layouts of the subwoofer's PCBs.

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