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LG DM2740 User Manual

LG DM2740
51 pages
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DVD Micro Hi-Fi System
SERVICE MANUAL
MODEL: DM2740
(DM2740, CMS2730F)
CAUTION
BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS”
IN THIS MANUAL.
MODEL: DM2740 (DM2740, CMS2730F)SERVICE MANUAL
4102 ,JUNE76615056NFA : ON/P
Website http://biz.lgservice.com
Internal Use Only
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LG DM2740 Specifications

General IconGeneral
TypeHome audio micro system
Cassette deckNo
Product colorBlack
Optical disc playerYes
Number of optical discs1 discs
RMS rated power160 W
Number of speakers2
Tuner typeDigital
Supported radio bandsFM
Headphone connectivity3.5 mm
Analog signal format systemNTSC, PAL
Apple docking compatibilityNot supported
Equalizer modesBass, Classic, Jazz, Normal, Pop, Rock
Disc types supportedCD, CD-R, CD-RW, DVD, DVD-R, DVD-RW
Card reader integrated-
Audio formats supportedMP3, WMA, WMV
Image formats supportedJPG
Video formats supportedDIVX
Weight and Dimensions IconWeight and Dimensions
Package depth280 mm
Package width547 mm
Package weight12250 g

Summary

SECTION 1 SUMMARY

SERVICING PRECAUTIONS

Detailed safety and handling instructions for product components.

ESD PRECAUTIONS

Guidelines for protecting sensitive components from electrostatic discharge.

FIRMWARE UPGRADE

Procedures for updating the device's internal software.

SPECIFICATIONS

Technical data, performance metrics, and operating limits of the unit.

SECTION 2 CABINET & MAIN CHASSIS

EXPLODED VIEWS

Visual breakdown of the product's components for service.

CABINET AND MAIN FRAME SECTION (DM2740)

Description of the physical housing and internal frame.

DECK MECHANISM SECTION (SDP-08)

Details of the disc loading and playback mechanism.

SPEAKER SECTION (CMS2730F)

Information pertaining to the speaker system components.

SECTION 3 ELECTRICAL

ONE POINT REPAIR GUIDE

Quick troubleshooting steps for common operational problems.

ELECTRICAL TROUBLESHOOTING GUIDE

Detailed diagnostic procedures for electrical faults.

CIRCUIT DIAGRAMS

Schematics detailing the electronic circuits of the device.

PRINTED CIRCUIT BOARD DIAGRAMS

Visual layout of the electronic components on the circuit boards.

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