LG L1100 Manuel utilisateur

Service Manual Model : L1100

Service Manual

L1100

P/N : MMBD0032801 Date: June, 2004 / Issue 1.0

REVISED HISTORY

DATE ISSUE CONTENTS OF CHANGES S/W VERSION

31/MAR/2004 ISSUE 0.1 Initial Release

The information in this manual is subject to change without notice and should not be construed as

a commitment by LGE Inc. Furthermore, LGE Inc. reserves the right, without notice, to make

changes to equipment design as advances in engineering and manufacturing methods warrant.

This manual provides the information necessary to install, program, operate and maintain the

L1100

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Table of Contents

1. INTRODUCTION.................................. 4

1.1 Purpose ............................................….

1.2 Regulatory Information ..........................

1.3 Abbreviations .........................................

2. General Performance .....................… 7

2.1 Product Name ................................…….

2.2 Supporting Standard ……………………..

2.3 Main Parts …………………………………

2.4 H/W Features …………………………….

2.5 S/W Features …………………………….

3. H/W Circuit Description ....................12

3.1 RF Transceiver General Description ……

3.2 Receiver Part …………………………….

3.3 Transmitter Part …………………………….

3.4 Power Amplifier …………………………….

3.5 26MHz Clock ……………………………….

3.6 Power Supplies and Control Signals ……

3.7 Digital Baseband (DBB) Processor ………

3.8 Analog Baseband (ABB) Processor …...…

3.9 Camera Circuit ……..……………….………

5. ASSEMBLY INSTRUCTION ………....97

5.1 Disassembly ..........................................97

6. DOWNLOAD ……………………...……103

6.1 Download Setup .....................................

6.2 Download Procedure ………...….……….

103

104

7. SERVICE AND CALIBRATION …….. 111

4.10 Vibrator Trouble ………………………….

4.11 Keypad Backlight Trouble ……………….

4.12 Folder Open/Close Trouble ………….….

4.13 SIM Detect Trouble ………………………

4.14 Earphone Trouble ………………………..

4.15 Infrared Data Association Trouble ………

4.16 Camera Trouble …………………………..

7.1 Service S/W ……....................................

7.2 Calibration ……………….…...….……….

111

114

4. TROUBLESHOOTING .................… 49

4.1 Main Components Placement …………..

4.2 FPCB Components Placement ………….

4.3 Baseband Components ..……………..….

4.4 Main Components …………………………

4.5 Power On Trouble …..........…………..….

4.6 Charging Trouble ........................…..…..

4.7 LCD Display Trouble ………....................

4.8 Receiver Trouble ………………………….

4.9 Microphone Trouble ……………………….

8. CIRCUIT DIAGRAM .............………... 119

8.1 BB_MAIN ………..……………..................

8.2 AUDIO …………………….……………….

8.3 MEMORY ………….…………………..….

8.4 MMI ……….…………….………………….

8.5 Peripheral ………………………..…..…….

8.6 CAMERA ………………………………...

8.7 LCD ………………………………….…….

8.8 RF ………………………………………….

119

120

121

122

123

124

125

126

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Table of Contents

10. ENGINEERING MODE ................... 129

11.1 Setting Method .................................….

130

11. STANDALONE TEST ..................... 130

12.1 Exploded View .................................….

12.2 Replacement Parts

<Mechanic components> ………………..

Replacement Parts

<Main components>………………………

12.3 Accessory ………………………………..

131

133

136

148

12. EXPLODED VIEW &

REPLACEMENT PART LIST.......... 131

9. PCB LAYOUT .............……………... 127

1. Introduction

1.1 Purpose

This manual provides the information necessary to repair, calibration, description and download the

features of the L1100

1.2 Regulatory Information

Toll fraud, the unauthorized use of telecommunications system by an unauthorized part (for example,

persons other than your company’s employees, agents, subcontractors, or person working on your

company’s behalf) can result in substantial additional charges you’re your telecommunications

services. System users are responsible for the security of own system. There are may be risks of toll

fraud associated with your telecommunications system. System users are responsible for

programming and configuring the equipment to prevent unauthorized use. LGE does not warrant that

this product is immune from the above case but will prevent unauthorized use of common-carrier

telecommunication service of facilities accessed through or connected to it. LGE will not be

responsible for any charges that result from such unauthorized use.

A. Security

If a telephone company determines that the equipment provided to customer is faulty and possibly

causing harm or interruption in service to the telephone network, it should disconnect telephone

service until repair can be done. A telephone company may temporarily disconnect service as long as

repair is not done.

B. Incidence of Harm

A local telephone company may make changes in its communications facilities or procedure. If these

changes could reasonably be expected to affect the use of the L1100 or compatibility with the network,

the telephone company is required to give advanced written notice to the user, allowing the user to

take appropriate steps to maintain telephone service.

C. Changes in Service

Maintenance limitations on the L1100 must be performed only by the LGE or its authorized agent. The

user may not make any changes and/or repairs expect as specifically noted in this manual. Therefore,

note that unauthorized alternations or repair may affect the regulatory status of the system and may

void any remaining warranty.

D. Maintenance Limitations

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The L1100 complies with rules regarding radiation and radio frequency emission as defined by local

regulatory agencies. In accordance with these agencies, you may be required to provide information

such as the following to the end user.

E. Notice of Radiated Emissions

The pictures in this manual are for illustrative purposes only; your actual hardware may look slightly

different.

F. Pictures

An L1100 may interfere with sensitive laboratory equipment, medical equipment, etc. Interference from

unsuppressed engines or electric motors may cause problems.

G. Interference and Attenuation

H. Electrostatic Sensitive Devices

Boards, which contain Electrostatic Sensitive Device (ESD), are indicated by the sign.

Following information is ESD handling:

• Service personnel should ground themselves by using a wrist strap when exchange

system boards.

• When repairs are made to a system board, they should spread the floor with anti-static mat

which is also grounded.

• Use a suitable, grounded soldering iron.

• Keep sensitive parts in these protective packages until these are used.

• When returning system boards or parts like EEPROM to the factory, use the protective

package as described.

ATTENTION

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1.3 Abbreviations

For the purposes of this manual, following abbreviations apply:

APC Automatic Power Control

BB Baseband

BER Bit Error Ratio

CC-CV Constant Current – Constant Voltage

DAC Digital to Analog Converter

DCS Digital Communication System

dBm dB relative to 1 milliwatt

DSP Digital Signal Processing

EEPROM Electrical Erasable Programmable Read-Only Memory

EL Electroluminescence

ESD Electrostatic Discharge

FPCB Flexible Printed Circuit Board

GMSK Gaussian Minimum Shift Keying

GPIB General Purpose Interface Bus

GSM Global System for Mobile Communications

IPUI International Portable User Identity

IF Intermediate Frequency

LCD Liquid Crystal Display

LDO Low Drop Output

LED Light Emitting Diode

OPLL Offset Phase Locked Loop

PAM Power Amplifier Module

PCB Printed Circuit Board

PGA Programmable Gain Amplifier

PLL Phase Locked Loop

PSTN Public Switched Telephone Network

RF Radio Frequency

RLR Receiving Loudness Rating

RMS Root Mean Square

RTC Real Time Clock

SAW Surface Acoustic Wave

SIM Subscriber Identity Module

SLR Sending Loudness Rating

SRAM Static Random Access Memory

STMR Side Tone Masking Rating

TA Travel Adapter

TDD Time Division Duplex

TDMA Time Division Multiple Access

UART Universal Asynchronous Receiver/Transmitter

VCO Voltage Controlled Oscillator

VCTCXO Voltage Control Temperature Compensated Crystal Oscillator

WAP Wireless Application Protocol

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2. General Performance

2.1 Product Name

Item Feature Comment

Supporting Standard

E-GSM/ DCS/ PCS Tril Band

with seamless handover

Phase 2+

SIM Toolkit : Class 1,2,3

Frequency Range

E-GSM TX : 880 – 915 MHz

E-GSM RX : 925 – 960 MHz

DCS 1800 TX : 1710 – 1785 MHz

DCS 1800 RX : 1805 – 1880 MHz

PCS 1900 TX : 1850 – 1909 MHz

PCS 1900 RX : 1930 – 1990 MHz

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L1100: Support GPRS (Class 10)

2.2 Supporting Standard

Application

Standard

WAP 2.0 : Yes

MMS : Yes

JAVA : MIDP v1.0

IrDA 1.3

L1100

2.3 Main Parts: GSM Solution

Digital Baseband CALYPSO @39MHz (D751992GHH)

Analog Baseband IOTA (TWL3014CGGM)

RF Chip Aero-1 (SI4205)

-8-

2.4 H/W Features

Item Feature Comment

Form Factor Clam shell LCD (TFT 65K Color)

Battery

Capacity

Standard: Li-Ion, 820mAh(Min)

Packing Type: Hard Pack

Cell Size: Standard

4.5(L)×33.8(W)×49.7(H)mm

Size Standard: 89×50×24mm L×W×H

Weight 90.5g With Battery

PCB Main PCB : 8Layers, 1t

FPCB : 5Layers, 0.5t

AVG TCVR

current (mA)

270 mA (GSM, Power Level 5)

120 mA (GSM, Power Level 12)

Standby Current 2.6mA @ Paging Period 9

Standby time Up to 200 hours @ Paging Period 9

Charging time Below 3 hr. @ Power Off / 820mAh

Talk time Min : 3hr @Power Level 5

Min : 6hr @Power Level 12 @ 820mAh

RX sensitivity

GSM 900 : -105 dBm

DCS 1800 : -105 dBm

PCS 1900 : -105 dBm

TX output power

GSM 900 : 32 dBm

DCS 1800 : 29 dBm

PCS 1900 : 29 dBm

Class4 (GSM)

Class1 (DCS)

Class1 (PCS)

GPRS compatibility GPRS Class 10

SIM card type Plug-In SIM 3V

Display

-MAIN LCD : 65K Color-TFT (128 X160)

-SUB LCD : 4Gray (96X 64)

- Pixels : 0.231 x 0.231 mm

- View Area : 30.57 x 7.96 mm

-Active Area : 29.568 x 36.96 mm

-Backlight : White LED

(Sub : 0.197 x 0.21)

(Sub : 20.9 x 15.4)

(Sub : 18.902 x 13.43)

Status Indicator Yes (Red, Green)

Keypad

Alphanumeric Key : 12

Function Key : 12

Side Key : 2

Total Number of Keys : 26

Function Key:

4 Key Navigation & OK,

F1, F2, SND, END/PWR,

Clear, Camera, Calendar

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Item Feature Comment

Antenna Fixed Type

System connector 24 Pin

Ear Phone Jack 3 Pole (φ2.5mm)

PC synchronization Yes CDROM

Memory Flash : 128Mbit / SRAM : 64Mbit AMD

Speech coding FR, EFR, HR

Data & Fax Built in Data & Fax support

Vibrator Built in Vibrator

IrDA Built in IrDA PC sync support

MIDI (for Buzzer

Function) 40 Poly Buzzer Function By Using

MIDI IC

Voice Recording up to 90 sec 30sec x 3

Travel Adapter Yes

Camera Sensor VGA / CIS

Options

Travel Adapter

Ear-Microphone

Hand Strap

Cigarette Lighter Adapter

Data Cable

Handsfree Car Kit

Simple Hands Free kit

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