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LG NP8340 User Manual

LG NP8340
55 pages
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SERVICE MANUAL
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS”
IN THIS MANUAL.
Internal Use Only
Website http://biz.lgservice.com
MODEL: NP8340
MODEL: NP8340
SMART Hi-Fi AUDIO
Wireless Multi-room
JULY, 2015P/NO : AFN77272340

Table of Contents

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LG NP8340 Specifications

General IconGeneral
Product colorBlack, Silver
Recommended usageUniversal
Suitable for outdoor use-
Speaker placementTabletop/bookshelf
Audio output channels1.0 channels
Impedance- Ω
Frequency range- Hz
RMS rated power30 W
EqualizerYes
Connectivity technologyWired & Wireless
Power consumption (standby)0.5 W
Power consumption (typical)14 W
Weight and Dimensions IconWeight and Dimensions
Depth115 mm
Width125 mm
Height175 mm
Weight2300 g

Summary

SECTION 1 SUMMARY

PRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO PRODUCTS

Guidelines for safe servicing of audio products, covering general precautions and specific hazards.

SERVICING PRECAUTIONS

Essential precautions for safely servicing audio products, including general and specific measures.

SOFTWARE UPDATE GUIDE

Instructions for updating the software of the audio product.

HIDDEN MODE

Information on accessing and using hidden operational modes of the device.

VERSION CHECK

Procedure to check the current software or hardware version of the product.

SPECIFICATIONS

Technical specifications detailing the product's performance and capabilities.

SECTION 2 CABINET & MAIN CHASSIS

EXPLODED VIEWS

Diagrams showing the exploded assembly of the product's components and chassis.

SECTION 3 ELECTRICAL

ONE POINT REPAIR GUIDE

Troubleshooting guide providing specific repair steps for common electrical issues.

ELECTRICAL TROUBLESHOOTING GUIDE

Systematic guide for diagnosing and resolving electrical problems based on symptoms.

WAVEFORMS OF MAJOR CHECK POINT

Reference waveforms for key check points to aid in troubleshooting and diagnosis.

WIRING DIAGRAM

Diagrams illustrating the electrical connections and wiring paths within the product.

BLOCK DIAGRAMS

High-level diagrams showing the functional blocks and interconnections of the system.

CIRCUIT DIAGRAMS

Detailed circuit diagrams for various sections of the product's electronics.

CIRCUIT VOLTAGE CHART

A chart listing key components and their expected operating voltages.

PRINTED CIRCUIT BOARD DIAGRAMS

Diagrams showing the physical layout of components on the printed circuit boards.

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