EasyManua.ls Logo

LG CM9550 Service Manual

LG CM9550
85 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS”
IN THIS MANUAL.
SERVICE MANUAL
Internal Use Only
APRIL, 2016P/NO : AFN77483233
MODEL:
CM9550
(CM9550, NS9550F/W)
MODEL: CM9550 (CM9550, NS9550F/W)
Mini Hi-Fi System

Table of Contents

Other manuals for LG CM9550

Question and Answer IconNeed help?

Do you have a question about the LG CM9550 and is the answer not in the manual?

LG CM9550 Specifications

General IconGeneral
BluetoothYes
USB PlaybackYes
FM TunerYes
Playable File TypesMP3, WMA
NFCYes
CD PlayerYes
Speakers2
Remote ControlYes
Audio Input3.5mm AUX

Summary

SECTION 1 SUMMARY

SERVICING PRECAUTIONS

Notes regarding handling of the pick-up, including transport, storage, and repair.

ESD PRECAUTIONS

Techniques to reduce component damage caused by static electricity.

HIDDEN KEY MODE

Instructions for activating and using hidden key modes for various functions.

SERVICE INFORMATION FOR EEPROM

Flowchart detailing the process for updating EEPROM information.

PROGRAM DOWNLOAD & UPDATE GUIDE

Guide for downloading and updating system programs via USB.

SPECIFICATIONS

Technical specifications for the Mini Hi-Fi System, including general, inputs, tuner, amplifier, and speakers.

SECTION 2 CABINET & MAIN CHASSIS

EXPLODED VIEWS: CABINET AND MAIN FRAME SECTION (CM9550)

Exploded view of the cabinet and main frame components.

MECHANISM DECK SECTION (DP17TM2)

Exploded view of the mechanism deck section.

PACKING ACCESSORY SECTION

Diagram showing packing accessories like owner's manual, remote control, and box.

SPEAKER SECTION: FRONT SPEAKER (NS9550F)

Exploded view of the front speaker (left) and its components.

SPEAKER SECTION: SUBWOOFER SPEAKER (NS9550W)

Exploded view of the subwoofer speaker and its components.

SECTION 3 ELECTRICAL

ONE POINT REPAIR GUIDE

Guides for diagnosing and resolving common unit malfunctions and faults across various functions.

ELECTRICAL TROUBLESHOOTING GUIDE

Step-by-step guides for troubleshooting electrical system issues and component failures.

WAVEFORMS OF MAJOR CHECK POINT

Illustrations of expected waveforms at key check points for diagnosis.

WIRING DIAGRAM

Diagram showing the electrical connections between unit components and modules.

BLOCK DIAGRAMS

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

CIRCUIT DIAGRAMS

Detailed schematics of various circuit sections, including SMPS, main, and speaker boards.

CIRCUIT VOLTAGE CHART

Table listing voltage specifications for connectors and capacitors.

PRINTED CIRCUIT BOARD DIAGRAMS

Layout diagrams of the printed circuit boards (top and bottom views).

Related product manuals