LG KG190 Manual de usuario

KG190

Version: 1B

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. LEVEL 2.5 SERVICE GUIDELINES

2.1 Introduction

2.2 Level of Repair Guidelines

2.3 Level of Repair Service Tools and Interfaces

2.4 Features

2.5 Mobile Unit Basic Kit

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 KG190 Base band Hardware Typical application and Block Diagram

6.2 KG190 RF Block Diagram

7. KG190 PCB PLACEMENT

8. CIRCUIT DIAGRAM

9. 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 installing, 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. LEVEL 2 SERVICE GUIDELINES

2.1. Introduction

The document is intended to help you carry out repair up to Level 2 on the KG190 mobile phone.

The repair for International version and Asian variants are identical unless otherwise noted, therefore the

description herein is confined to KG190 only.

All repairs have to be carried out in an environment set up according to ESD

regulations defined in international standards.

2.2. Level of Repair Guidelines

The following description provides an outline of the level of repairs that could be determined at customers’

premises. The level of repairs are highly dependent on the customer’s resource and capabilities and are

approved by

Please abide by your service contract agreements in determining the level of

repairs that you are capable of conducting.

Only qualified personnel shall perform all the related repair procedures based on

the service contract

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2.2.1. Level 0

This level DO NOT involved any kinds of repair or disassembly of the mobile unit. The customer ONLY

needs to identify the fault occurred and send back the faulty units with the fault report to DARTS Mobile

Service Center

The inventory swap units are available for order.

Level 0 Part No.

DARTS P/N Description SVC Level LG P/N

2284-1870-6000 Swap Unit Complete, C2500 L0

2.2.2. Level 1

This level requires the repair or disassembly of the mobile unit up to a certain specified criteria. This level

might requires a specific tools in conducting the Level 1 repair job. All components attached to the upper

and lower casings are replaceable. DO NOT remove any components on the PCB board.

If the repaired units still DO NOT function properly, customer needs to attach the fault report together

with the units complete with housings and send back to DARTS Mobile Service Center for further

investigations.

The components listed below are intended for Level 1 repair spares only.

Level 1 Part No.

DARTS P/N Description SVC Level LG P/N

2207-0030-0003 Vibrator 3V L1

2285-2187-0000 BOTTOM CASE Ass'y Silver L1

221C-BA03-0102 Battery connector Pitch=2.5mm 3Pin PA08303 L1

2285-3224-0000 Antenna Ass'y ( w Louder SPK) L1

2206-1110-0001 Receiver Panasonic - EASG1D501E2 L1

2285-1187-A000 TOP CASE Ass'y LG Silver ( w LENS) L1

2211-DP18-1100 Deco. Plate for Side-L L1

2211-DP18-2100 Deco. Plate for Side-R L1

2211-SE18-0100 SIDEKEY 1 WAY L1

2211-SE18-1100 SIDEKEY 2 WAY L1

2218-1800-A100 Keypad RUS Silver L1

2212-DM18-0000 Metal dome L1

2206-5080-0002 MIC. FPT-22718-3 L1

2211-BA18-0100 Battery Cover LG L1

2213-TR18-0100 RF_SW_CAP rubber Grey L1

2214-MF13-3Z80 Screw (M1.6*3.8)，ZN，White L1

2213-TR18-1100 PHONE JACK CAP L1

2213-TR18-2100 USB CAP L1

225n-TM03-3080 SENSOR VGA TM03-E1-X10 L1

2.2.3. Level 2

This level of repair requires the exchange of the mobile unit main board. There will be non-removal of any

components on the faulty main board. The exchanged faulty main boards shall be properly packed in a plastic

bulk with the attached IMEI label and fault report and send back to DARTS Mobile Service Center for detailed

repairs.

Level 2 Part No.

DARTS P/N Description SVC Level LG P/N

2281-1831-0000 PCB Main Board, ARX L2

2.2.4. Level 2.5

This level requires the repair or removal of certain specified discrete components of the mobile units’

main board. This level of repair might requires a specific tools and soldering equipments with proper

soldering jigs in conducting the repair job.

ONLY THE QUALIFIED PERSONNEL SHALL BE LIABLE TO

PERFORM THIS LEVEL OF REPAIRS UNDER THE SUPERVISION

AND APPROVAL OF DARTS TECHNICAL TRAINER.

Level 2.5 Part No.

DARTS P/N Description SVC Level LG P/N

2221-1261-0002 LCM STN 128x128dot 26P LKC34TML8Y L2.5

220B-0010-0000 BACKUP BATT D4.8Xh1.4mm 0.06F XC414-II06 L2.5

220S-1020-0081 SIDE KEY 20MA/12V 6P L2.5

220S-2010-0081 RF TEST SWITCH 6000MHz 2W 50 OHM MS156 L2.5

2212-BC18-0000 BASE BAND COVER FOR ARI L2.5

2212-BF18-0000 BASE BAND FRAME FOR ARI L2.5

2212-RC18-0000 RF COVER FOR ARI L2.5

2212-RF18-0000 RF FRAME FOR ARI L2.5

221C-SC06-0102 SIM CARD CONN PITCH=2.54mm 6P 217-010-60 L2.5

221C-SP02-0186 SPEK CONN P=3mm 2P CBE-2809-2258H POGOPI L2.5

221C-PG01-0181 POGO PIN 1P CDR-5815-2961 L2.5

221J-EP06-0988 EARPHONE JACK 6P L2.5

221J-MU05-0185 MINI USB CONN 5P US25R05-SBP L2.5

2265-0301-0582 LED R G B HT-372FCH-DT L2.5

221C-sk20-0186 Socket 20p CLE9020-0102F L2.5

DO NOT IN

CAUSE T

TEND TO REMOVE ANYACTIVE COMPONENTS AS THIS WILL

HE MAIN BOARDS TO MALFUNCTION AND BEYOND THE

REPAIR BOUNDARIES

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