LG G1500 Manuel utilisateur

REVISED HISTORY

DATE ISSUE CONTENTS OF CHANGES S/W VERSION

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

G1500.

-1-

Table Of Contents

1. INTRODUCTION................................…5

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

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

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

2. PERFORMANCE ..............................….9

2.1 H/W Features .....................................…..

2.2 Technical Specification ..........................

3. TECHNICAL BRIEF ............................16

3.1 General Description ......……..…………..

3.2 Receiver .............................................….

3.3 Transmitter Part …..………………………

3.4 13MHz Clock …………………….........….

3.5 Power Supplies for RF Circuits ………….

3.6 Testing Set-up and Checking Signals ..….

3.7 Digital Main Processor ….....................….

3.8 Analog Main Processor ……..................…

3.9 Power Management …….....................….

3.10 Memories ................................................

3.11 Display and Interface ..............................

3.12 Keypad Switches and Scanning ........... .

3.13 Microphone ..................………………..…

3.14 Earpiece …………………………………...

3.15 Headset Jack Interface ……..............….

3.16 Key Back-light Illumination ………..……

3.17 LCD Back-light Illumination ……………..

3.18 Speaker & MIDI IC ……………………….

4. TROUBLESHOOTING .................… 52

4.1 RF Components .............................….

4.2 Rx Trouble ..........................................

4.3 Tx Trouble ..........................................

4.4 Power On Trouble ..........................….

4.5 Charging Trouble ...........................….

4.6 LCD Trouble .......................................

4.7 Receiver Trouble ................................

4.8 Speaker Trouble .................................

4.9 Mic. Trouble ...................................….

4.10 Vibrator Trouble ...............................

4.11 Backlight LED Trouble ......................

4.12 SIM Detect Trouble ..........................

4.13 Earphone Trouble ............................

5. DISASSEMBLY INSTRUCTION ...... 97

5.1 Disassembly .........................................

6. DOWNLOAD AND

CALIBRATION ……………............. 100

6.1 Download ……….............................…..

6.2 Calibration …………........................…..

7. BLOCK DIAGRAM ........................... 105

100

102

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9. PCB LAYOUT .................................. 111

10. STAND ALONE TEST ................... 113

10.1 What’s the Standalone Test? .....……

10.2 Standalone Test Equipment Setup…

10.3 H/W Test …….............................……

10.4 Tx Stand alone Test Setting …………..

10.5 Rx Stand alone Test Setting …………..

10.6 What’s the Rx Calibration …………….

10.7 What’s the Tx Calibration ……………..

10.8 How to Rx Calibration …………………

10.9 How to Tx Calibration ………………….

10.10 Target powers in dBm for each

power level ……………………………..

11. EXPLODED VIEW &

REPLACEMENT PART LIST ...…. 127

11.1 Exploded View ...........................……

11.2 Accessory ...............................……..

11.3 Replacement Parts

< Mechanic component > ……………..

Replacement Parts

< Main component > ………………….

113

114

115

116

118

120

121

127

129

130

132

-4 -

8. CIRCUIT DIAGRAM ......................... 107

8.1 Main Chipset ………………….............…..

8.2 Memory & MMI …………….........……….

8.3 MIDI ……………………………….......….

8.4 RF Circuit ……..................................…..

107

108

109

110

1.1 Purpose

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

features of LG-G1500.

1.2 Regulatory Information

A. Security

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 for your telecommunications services.

System users are responsible for the security of own system. There 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. The manufacturer 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. The manufacturer will not be responsible for any charges

that are resulted from such unauthorized use.

B. Incidence of Harm

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.

C. Changes in Service

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 this phone 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.

D. Maintenance Limitations

Maintenance limitations on this model must be performed only by the manufacturer or its authorized agent.

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

may void any remaining warranty.

1. INTRODUCTION

-5 -

E. Notice of Radiated Emissions

The LG-G1500 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.

F. Pictures

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

G. Interference and Attenuation

The LG-G1500 may interfere with sensitive laboratory equipment, medical equipment, etc. Interference from

unsuppressed engines or electric motors may cause problems.

H. Electrostatic Sensitive Devices

ATTENTION

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.

1. INTRODUCTION

-6-

1.3 Abbreviations

For the purposes of this manual, following abbreviations apply:

Offset Phase Locked LoopOPLL

Light Emitting DiodeLED

Low Drop OutputLDO

Liquid Crystal DisplayLCD

Intermediate FrequencyIF

International Portable User IdentityIPUI

Global System for Mobile CommunicationsGSM

General Purpose Interface BusGPIB

Gaussian Minimum Shift KeyingGMSK

Flexible Printed Circuit BoardFPCB

Electrostatic DischargeESD

Digital Signal ProcessingDSP

dB relative to 1 milli wattdBm

Digital Communication SystemDCS

Digital to Analog ConverterDAC

Constant Current – Constant VoltageCC-CV

Bit Error RateBER

BasebandBB

Automatic Power ControlAPC

-7-

1. INTRODUCTION

Wireless Application ProtocolWAP

Voltage Control Temperature Compensated Crystal OscillatorVCTCXO

Voltage Controlled OscillatorVCO

Universal Asynchronous Receiver/TransmitterUART

Time Division Multiple AccessTDMA

Time Division DuplexTDD

Travel AdapterTA

Side Tone Masking RatingSTMR

Pseudo SRAMPSRAM

Static Random Access MemorySRAM

Sending Loudness RatingSLR

Subscriber Identity ModuleSIM

Surface Acoustic WaveSAW

Real Time ClockRTC

Root Mean SquareRMS

Receiving Loudness RatingRLR

Radio FrequencyRF

Public Switched Telephone NetworkPSTN

Phase Locked LoopPLL

Programmable Gain AmplifierPGA

Printed Circuit BoardPCB

Power Amplifier ModulePAM

-8-

1. INTRODUCTION

2. PERFORMANCE

2.1 H/W Features

Item Feature Comment

Support Dual band (EGSM/DCS) Bar Type GPRS

Size 105.2 ×45.6 ×21.3 mm (Max)

Weight 80g (Standard battery)

Battery 3.7V > 850mAh Li-Ion (Standard)

Talk Time (PL : 7) 3hours (Min) at 850mAh (Standard)

Standby Time (PL : 9) 200hours (Min) at 850mAh (Standard)

ANT Type Internal Antenna

Back Light LED Back Light

Back Light Color Blue Color

Vibrator Yes (Coin Type)

LED Indicator Use LCD Backlight

Buzzer Yes

C-MIC Yes

Receiver Yes

Earphone Jack Yes (3 Pole Type)

2. PERFORMANCE

LCD 128 ×64 Dot, B/W

SIM Socket Yes (SIM Block Type)→3V only

Volume key Navigation Key

Voice Dialing Yes

I/O Connect 18 Pin (Batt. 3Pole)

-9-

Option Hand/Neck Strap, Data Kit, CLA, CD

Basic ACC’Y Travel Adapter(3hour-Charging Time)Standard Battery

(LI-Ion 850mAh)Earphone (include Hook Switch)

2.2 Technical Specification

Item Description Specification

1Frequency Band

GSM

TX: 890 + n ×0.2 MHz

RX: 935 + n ×0.2 MHz (n=1~124)

EGSM

TX: 890 + (n-1024) ×0.2 MHz

RX: 935 + (n-1024) ×0.2 MHz (n=975~1024)

DCS

TX: 1710 + (n-512) ×0.2 MHz

RX: 1805 + (n-512) ×0.2 MHz (n=512~885)

2Phase Error RMS < 5 degrees

Peak < 20 degrees

3Frequency Error < 0.1 ppm

4Power Level

Level Power Toler. Level Power Toler.

6 31dBm ±3dB 14 15dBm ±3dB

7 29dBm ±3dB 15 13dBm ±3dB

8 27dBm ±3dB 16 11dBm ±5dB

9 25dBm ±3dB 17 9dBm ±5dB

10 23dBm ±3dB 18 7dBm ±5dB

11 21dBm ±3dB 19 5dBm ±5dB

12 19dBm ±3dB

GSM, EGSM

5 33dBm ±2dB 13 17dBm ±3dB

Level Power Toler. Level Power Toler.

1 28dBm ±3dB 9 12dBm ±4dB

2 26dBm ±3dB 10 10dBm ±4dB

3 24dBm ±3dB 11 8dBm ±4dB

4 22dBm ±3dB 12 6dBm ±4dB

5 20dBm ±3dB 13 4dBm ±4dB

6 18dBm ±3dB 14 2dBm ±5dB

7 16dBm ±3dB 15 0dBm ±5dB

DCS

0 30dBm ±2dB 8 14dBm ±3dB

- 10 -

2. PERFORMANCE

5Output RF Spectrum

(due to modulation)

Offset from Carrier (kHz). Max. dBc

100 +0.5

200 -30

250 -33

400 -60

600~ <1,200 -60

1,200~ <1,800 -60

1,800~ <3,000 -63

3,000~ <6,000 -65

6,000 -71

GSM, EGSM

Offset from Carrier (kHz). Max. dBc

100 +0.5

200 -30

250 -33

400 -60

600~ <1,200 -60

1,200~ <1,800 -60

1,800~ <3,000 -65

3,000~ <6,000 -65

6,000 -73

DCS

Output RF Spectrum

(due to switching

transient)

GSM, EGSM

Offset from Carrier (kHz). Max. dBm

400 -19

600 -21

1,200 -21

1,800 -24

- 11 -

Item Description Specification

2. PERFORMANCE

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