LG G1800 Manual de usuario

G1800

Version: 1A

Every care has been taken to ensure that contents of this service manual give an accurate representation

of the equipment. However, DARTS TECHNOLOGIES CORP. accepts no responsibility for inaccuracies

which may occur and reserves the right to make changes to the design without prior notice.

CONTENTS

1. INTRODUCTION

1.1 Purpose of the Manual

1.2 Structure of the Manual

1.3 Servicing Responsibilities

2. GENERAL DESCRIPTION

2.1 General

2.2 Features

2.3 Hand portable Main Kits

3. OPERATING INSTRUCTIONS

3.1 General

3.2 Liquid Crystal Display

3.3 Location of Controls

3.4 Alpha Entry

3.4.1. Character Set / Key Assignments

3.5 Public Man Machine Interface (MMI)

3.5.1. Reading the Phonebook Memory Location

3.5.2. Features for Factory Service

3.5.3. Tips for Call Option

3.6 Security Procedure

3.7 Troubleshooting

4. ASSEMBLY INSTRUCTIONS

4.1 Assembly Structure

4.2 Antenna sub assembly

4.2.1. Appendix 1 Speaker module sub assembly

4.3 PCB sub assembly

4.4 Top case sub assembly

4.5 Bottom case sub assembly

4.6 Main assembly

5. TECHNICAL SPECIFICATION

5.1 TX Characteristics

5.1.1. Frequency Error

5.1.2. Modulation Phase Error

5.1.3. Output RF Spectrum due to Modulation

5.1.4. Output RF Spectrum due to Switching Transients

5.1.5. Spurious Emissions at Antenna Connector

5.1.6. Residual Peak Power

5.2 Rx Characteristics

5.2.1. Sensitivity

6. BLOCK DIAGRAM

6.1 G1800 Base band Hardware Typical application and Block Diagram

6.2 G1800 RF Block Diagram

7. G1800 PCB PLACEMENT

8. SPPL list

IMPORTANT

This document is intended for use by qualified service personnel only.

Company Policy

Our policy is of continuous development; details of all technical modifications will be included with service

bulletins.

While every endeavor has been made to ensure the accuracy of this document, some errors may exist. If any

errors are found by the reader, please notified it to company

Warnings and Cautions

Please refer to the phone’s user guide for instructions relating to operation, care and

maintenance including important safety information. Note also the following:

Warnings:

1. CARE MUST BE TAKEN ON INSTALLATION IN VEHICLES FITTED WITH ELECTRONIC ENGINE

MANAGEMENT SYSTEMS AND ANTI–SKID BRAKING SYSTEMS. UNDER CERTAIN FAULT

CONDITIONS, EMITTED RF ENERGY CAN AFFECT THEIR OPERATION. IF NECESSARY,

CONSULT THE VEHICLE DEALER/MANUFACTURER TO DETERMINE THE

IMMUNITY OF VEHICLE ELECTRONIC SYSTEMS TO RFENERGY.

2. THE HANDPORTABLE TELEPHONE MUST NOT BE OPERATED

IN AREAS LIKELY TO CONTAIN POTENTIALLY EXPLOSIVE ATMOSPHERES EG PETROL

STATIONS (SERVICE STATIONS), BLASTING AREAS ETC.

3. OPERATION OF ANY RADIO TRANSMITTING EQUIPMENT, INCLUDING CELLULAR

TELEPHONES, MAY INTERFERE WITH THE FUNCTIONALITY OF INADEQUATELY PROTECTED

MEDICAL DEVICES. CONSULT A PHYSICIAN OR THE MANUFACTURER OF THE MEDICAL

DEVICE IF YOU HAVE ANY QUESTIONS. OTHER ELECTRONIC EQUIPMENT MAY

ALSO BE SUBJECT TO INTERFERENCE.

Cautions:

1. Servicing and alignment must be undertaken by qualified personnel only.

2. Ensure all work is carried out at an anti–static workstation and that an anti–static wrist strap

is worn.

3. Ensure solder, wire, or foreign matter does not enter the telephone as damage may result.

4. Use only approved components as specified in the parts list.

5. Ensure all components, modules screws and insulators are correctly re–fitted after servicing

and alignment. Ensure all cables and wires are repositioned correctly.

1. INTRODUCTION

1.1. Purpose of the Manual

This service manual contains the information and procedures required for instilling, operating and servicing

the LG GSM Personal Cellular Mobile Telephone system operating on GSM Digital Cellular Networks.

1.2. Structure of the manual

The manual is structured to provide service engineering personnel with the following information and

procedures:

1. General and technical information – provides a basic understanding of the equipment, kits and options,

together with detailed information for each of the major component parts.

2. Installation and operating information – provides instructions for unpacking, installing and operating the

equipment.

3. Servicing information – provides complete instructions for testing, disassembly, and reassembly of the

product. Step-by-step troubleshooting information is given to enable the isolation and identification of a

malfunction, and thus determine what corrective action should be taken. The test information enable

verification of the integrity of the equipment after any remedial action has been carried out.

4. Illustrated parts list – provides to enable the identification of all cosmetic and some electrical components,

for the ordering of replacement parts.

1.3. Servicing Responsibilities

The procedures described in this manual must performed by qualified service engineering personnel, at an

authorized service center.

The service engineering personnel are responsible for fault diagnosis and repair of all equipment described in

this manual.

2. GENERAL DESCRIPTION

2.1. General

This section provides general description and kit composition detailed for the GSM Hand portable Telephone

system and optional kits.

2.2. Features

The LG Telephone Model G1800 is a high performance small, light handset for business and domestic use. The

following features are provided:

1. Triple Codec which includes Half Rate / Full Rate and Enhanced Full Rate (EFR) speech codec.

2. Tri Band E-GSM900 and DCS1800 operation.

3. GPRS Service.

4. T9 Text Entry.

5. Voice Ringer.

6. Wireless Application Protocol (WAP) Browser.

7. Backup Battery.

8. Downloadable polyphonic melody ring tones.

9. Clock, Calculator and Currency Converter.

2.3. Hand portable Main Kits

Figure 2.1: Hand portable Main Unit Kit Content

Item Description Part Number

1 Handset G1800

2 AC Travel Charger TA-18GR

3 Standard Battery (Li-lon 720mAh) SBPL0076310

3.OPERATING INSTRUCTIONS

3.1. General

This section provides a brief guide to the operation and facilities available on the telephone handset. Refer to

the Operating Instruction supplied with the telephone for full operational information.

3.2. Liquid Crystal Display

The telephone handset has a graphical chip on glass display. The following icons are available:

Figure 3.1: Crystal Display

1. Top of the screen shows Essential Indicators. (See table below)

2. Next line displays the operator name

3. In the middle screen shows date/time.

4. To enter Menu press left selection key.

5. To use Name in the phone book press right selection key.

Essential indicators

Indicates signal strength and alternate line service.

Shows handset current battery charge strength.

Indicates the phone keypad is locked.

Indicates the profiles alert type is Ring

Indicates the profiles alert type is vibration.

Indicates the profiles alert type is vibration and ring.

Indicates the profiles alert type is vibration then ring.

Indicates the profiles alert type is light only.

The Alarm clock is set on.

Indicates “roaming”.

Indicates missed call.

Indicates Broadcast set on.

Indicates new text messages.

Indicates call diverted is set on

Indicates record function on

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