LG S94T1-W User Manual

MARCH, 2014AFN76552404:ON/P
9.1 channel Cinema Sound
3D Blu-ray
TM
/ DVD Home Theater System
SERVICE MANUAL
MODEL: BH9540TW
(BH9540TW, S94T1-S/C/W, W4-4, T2)
CAUTION
BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS”
IN THIS MANUAL.
Website http://biz.lgservice.com
Internal Use Only
MODEL: BH9540TW (BH9540TW, S94T1-S/C/W, W4-4, T2)SERVICE MANUAL

LG S94T1-W Specifications

General

Brand	LG
Model	S94T1-W
Category	Home Theater System
Type	Soundbar
Channels	9.1.5
Total Power Output	810W
Dolby Atmos	Yes
Subwoofer	Yes
Wireless Subwoofer	Yes
Bluetooth	Yes
HDMI Inputs	2
Wi-Fi	Yes
Voice Control	Yes
HDMI Output	1
USB Port	1
Optical Input	1
Color	Black
Audio Formats Supported	Dolby Atmos, DTS:X

Summary

Section 1: Summary

Product Safety Servicing Guidelines

Guidelines for safe servicing of BD-HTS products.

Servicing Precautions

Precautions to follow during servicing procedures.

Initial System Setup

Section 4: MT8580 F/E Loader Part

LD Check Guide

Procedure to check Laser Diode status and diagnose disc reading issues.

How to Use the SA Reset Function

Major IC Internal Block Diagram and Pin Description

Internal block diagrams and pin descriptions for key ICs.

Section 5: Wireless Receiver Part

One Point Repair Guide

Specific troubleshooting steps for common wireless receiver issues.

Electrical Troubleshooting Guide

Systematic troubleshooting for wireless receiver electrical faults.

Wiring Diagram

Block Diagram

Circuit Diagrams

Schematics for SMPS and amplifier circuits in the wireless receiver.

Printed Circuit Board Diagrams