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LG KG271 User Manual

LG KG271
126 pages
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Date: June, 2007 / Issue 1.0
Service Manual
Model : KG271/KG276
Service Manual
KG271/KG276
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LG KG271 Specifications

General IconGeneral
StatusDiscontinued
SIMMini-SIM
TypeTFT, 256K colors
Memory Card slotNo
Call records20 dialed, 20 received, 20 missed calls
CameraVGA
LoudspeakerYes
3.5mm jackNo
RadioNo
MessagingSMS, EMS, MMS
BrowserWAP 2.0/xHTML
JavaYes, MIDP 2.0
BatteryRemovable Li-Ion 800 mAh battery
Talk timeUp to 3 h
NetworkGSM 900
Resolution128 x 160 pixels (~116 ppi density)
Phonebook500 entries
Alert typesVibration; Downloadable polyphonic ringtones
GamesYes
ColorsBlack

Summary

2. PERFORMANCE

2.1 H/W Features

Details hardware specifications like band, type, dimensions, weight, battery, display, etc.

2.2 S/W Features

Details software features for data, connectivity, voice, memory, camera, audio, display, and call management.

3. TECHNICAL BRIEF

3.1 Digital Main Processor (PMB7880)

Overview of the PMB7880 processor, including its functional block diagram.

3.2 Power Amplifier Module (SKY77318)

Details the SKY77318 PAM, its design, fabrication, and components.

3.3 26 MHz Clock (DCXO)

Explains the Digitally Controlled Crystal Oscillator (DCXO) and its role in frequency compensation.

4. TROUBLE SHOOTING

4.1 RF Trouble

Troubleshooting for RF related issues, covering antenna, matching components, and mobile switch.

4.2 TX Trouble

Steps to diagnose and resolve transmitter (TX) related problems.

4.3 Power On Trouble

Procedures to troubleshoot issues preventing the phone from powering on.

4.4 SIM Card Trouble

Steps to identify and fix problems related to SIM card detection and functionality.

9. ENGINEERING MODE

10. CALIBRATION

10.2 Calibration Steps

Outlines the sequential steps involved in performing the calibration process.

11. STAND ALONE TEST

11.2 Tx Test

Procedure for performing transmit (Tx) tests, including mode selection and parameter setup.

11.3 RX Test

Procedure for performing receive (Rx) tests, including channel selection and parameter setup.

12. EXPLODED VIEW & REPLACEMENT PART LIST

12.2 Replacement Parts - Mechanic Components

List of mechanical components for replacement, including part numbers and specifications.

12.3 Replacement Parts - Main Components

List of main electronic components for replacement, including part numbers and specifications.

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