Lg Lg-e400 User manual

Internal Use Only

Service Manual

LG-E400

Date: February, 2012 / Issue 1.0

Only for training and service purposes

LGE Internal Use Only

Table Of Contents

1. INTRODUCTION..................................................................... 3

1.1 Purpose ........................................................................................................3

1.2 Regulatory Information .........................................................................3

2. PERFORMANCE...................................................................... 5

2.1 Product Name............................................................................................5

2.2 Supporting Standard..............................................................................5

2.3 Main Parts : GSM Solution.....................................................................6

2.4 HW Features ...............................................................................................6

2.5 SW Features ................................................................................................9

2.6 HW SPEC. ................................................................................................. 13

3. Android_Final CIC_FAQ ...................................................... 20

3.1 Multimedia............................................................................................... 20

3.2 Setting ....................................................................................................... 21

3.3 Home.......................................................................................................... 27

3.4 Internet...................................................................................................... 28

3.5 Message,E-mail....................................................................................... 29

3.6 Phone_Calls,Contacts.......................................................................... 30

3.7 Application............................................................................................... 32

3.8 Utilities....................................................................................................... 33

3.9 Bluetooth.................................................................................................. 33

3.10 Wi-Fi.......................................................................................................... 34

3.11 Android................................................................................................... 35

3.12 P500 And2.2.......................................................................................... 37

4. TROUBLE SHOOTING .......................................................... 51

4.1 RF Component ....................................................................................... 51

4.2 SIGNAL PATH........................................................................................... 53

4.3 Checking TCXO Block........................................................................... 56

4.4 Checking GSM TX Module(GSM PAM + ASM) Block ............... 59

4.5 Checking WCDMA Block .................................................................... 62

4.6 Checking GSM Block............................................................................ 73

4.7 GPS/WIFI/BT RF Component ............................................................ 81

4.8 GPS/WIFI/BT SIGNAL PATH ................................................................ 83

4.9 GPS/WIFI/BT Trouble shooting ........................................................ 85

4.10 Power ON Trouble Shooting........................................................... 92

4.11 Charging Trouble Shooting............................................................ 96

4.12 3MFF Camera Trouble Shooting................................................... 99

4.13 Main LCD trouble..............................................................................102

4.14 Proximity Sensor on/oﬀ Trouble Shooting.............................104

4.15 Motion Sensor on/oﬀ Trouble Shooting.................................106

4.16 Compass Sensor on/oﬀ Trouble Shooting .............................108

4.17 DC Motor Trouble Shooting.........................................................111

4.18 Audio Troble........................................................................................113

5. DOWNLOAD.......................................................................123

6.Block diagram ....................................................................143

7. CIRCUIT DIAGRAM ............................................................150

8. BGA PIN MAP .....................................................................159

9. PCB LAYOUT.......................................................................165

10. CALIBRATION...................................................................167

11. HIDDEN MENU.................................................................187

12.

DISASSEMBLE GUIDE

.................................................193

13. EXPLODED VIEW & REPLACEMENT PART LIST .............198

13.1 EXPLODED VIEW................................................................................198

13.2 Replacement Parts ...........................................................................199

13.3 Accessory .............................................................................................225

Only for training and service purposes

LGE Internal Use Only

1. INTRODUCTION

1.1 Purpose

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

of this model.

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 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. 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

result 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 the phones or compatibility with the net work, 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 the phones must be performed only by the manufacturer 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.

1. INTRODUCTION

Only for training and service purposes

LGE Internal Use Only

1. INTRODUCTION

E. Notice of Radiated Emissions

This model 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

A phone 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.

2. PERFORMANCE

Only for training and service purposes

LGE Internal Use Only

2.1 Product Name

E400 : WCDMA900/2100+EGSM/GSM850/DCS/PCS

(HSDPA 3.6Mbps GPRS Class 12 / EDGE Class 12)

2.2 Supporting Standard

Item Feature Comment

Supporting Standard WCDMA(FDD1,8)/EGSM/GSM850/DCS1800/PCS1900

with seamless handover

Phase 2+(include AMR)

SIM Toolkit: Class 1, 2, 3, C-E

Frequency Range WCDMA(FDD1) TX : 1920 – 1980 MHz

WCDMA(FDD1) RX : 2110 – 2170 MHz

WCDMA(FDD8) TX : 880~915 MHz

WCDMA(FDD8) RX : 925~960 MHz

EGSM TX: 880 – 915 MHz

EGSM RX: 925 – 960 MHz

GSM850 TX: 824 – 849 MHz

GSM850 RX: 869 – 894 MHz

DCS1800 TX : 1710 – 1785 MHz

DCS1800 RX: 1805 – 1880 MHz

PCS1900 TX: 1850 – 1910 MHz

PCS1900 RX: 1930 – 1990 MHz

Application Standard WAP 2.0

2. PERFORMANCE

Only for training and service purposes

LGE Internal Use Only

2.3 Main Parts : GSM Solution

Item Part Name Comment

Digital Baseband MSM7225A: Qualcomm

Analog Baseband PM8029 : Qualcomm

RF Chip RTR6285A : Qualcomm

2.4 HW Features

Item Feature Comment

Form Factor DOP type

Battery

1) Capacity

Standard : Li-Ion , 1500mAh

2) Packing Type : Soft Pack

Size Standard :

102.6 x 61.6 x 11.85 mm

Weight 119g With Battery

Volume 74.89cc

PCB Staggered 8 Layers , 0.8t

Stand by time 2G Up to 600 hrs

3G Up to 600 hrs

@ Paging Period 5 (2G)

@ DRX 7 (3G)

Charging time 3 hrs @ Power Off / 1500mAh

Talk time 2G Up to 750mins

3G Up to 600mins

@ Power Level 13 (2G)

@ Tx = 0dBm (3G)

RX sensitivity

WCDMA(FDD1) : -106.7 dBm

WCDMA(FDD8) : -104.7 dBm

EGSM : -105 dBm

GSM850 : -105 dBm

DCS 1800 : -105 dBm

PCS 1900 : -105 dBm

2. PERFORMANCE

Only for training and service purposes

LGE Internal Use Only

output

power

WCDMA/

GSM/

GPRS

WCDMA : 24dBm/3.84MHz,+1/-3dBm

EGSM : 33dBm

GSM850 : 33 dBm

DCS 1800 : 30 dBm

PCS 1900 : 30 dBm

Class3(WCDMA)

Class4 (EGSM)

Class4 (GSM850)

Class1 (PCS)

Class1 (DCS)

EDGE

GSM 900 : 27 dBm

DCS 1800 : 26 dBm

PCS 1900 : 26 dBm

E2 (GSM900)

E2 (PCS)

E2 (DCS)

GPRS compatibility GPRS Class 12

EDGE compatibility EDGE Class 12

SIM card type Plug-In SIM

3V /1.8V

Display Main LCD

TFT Main LCD(3.2’, 240 x 320)

Built-in Camera 3M FF CMOS Camera

Status Indicator No

Keypad

Function key : 1

Side Key : 2

Power key : 1

Function Key:

Home, Back, Menu,

Side Key :

Volume up/down

ANT Main : Internal Fixed Type LDS type

System connector 5 Pin

Ear Phone Jack 3.5Phi, 4 Pole, Stereo

PC synchronization Yes

Memory eMMC : 2GByte

DRAM :3Gbit

Speech coding FR, EFR, HR,AMR

Data & Fax Built in Data & Fax support

2. PERFORMANCE

Only for training and service purposes

LGE Internal Use Only

Vibrator Built in Vibrator

Blue Tooth V3.0

MIDI(for Buzzer Function) SW Decoded 72Poly

Music Player MP3/ WMA/AAC/HE-AAC/EAAC+

Video Player MPEG4, H.263, H.264

Camcorder MPEG4, H.263, H.264

Voice Recording Yes

Speaker Phone mode

Support Yes

Travel Adapter Yes

CDROM No

Stereo Headset Yes Not inbox

Data Cable Yes

T-Flash

(External Memory)

Yes Not inbox

2. PERFORMANCE

Only for training and service purposes

LGE Internal Use Only

2.5 SW Features

Item Feature Comment

RSSI 0 ~ 4 Levels

Battery Charging 0 ~ 20 Levels

Key Volume 0 ~ 7 Level

Audio Volume 0 ~ 7 Level

Time / Date Display Yes

Multi-Language Yes English/French/German/Spanish/Italia

n/Danish/Dutch/Korean

Quick Access Mode Dialing/ Contact / Menu / Message

PC Sync Yes

Speed Dial Yes

Profile Yes not same with feature phone setting

CLIP / CLIR Yes

Phone Book

Name / Number / Email /

Website/Postal

addresses/Organizations/Groups/

Birthday / Ringtone

There is no limitation on the number

of items.

It depends on

available memory amount.

Last Dial Number Yes

Last Dial Numbers, Last Received

Numbers and Last Missed Numbers

can store up to a total of 500.

Last Received

Number Yes

Last Dial Numbers, Last Received

Numbers and Last Missed Numbers

can store up to a total of 500.

Last Missed Number Yes

Last Dial Numbers, Last Received

Numbers and Last Missed Numbers

can store up to a total of 500.

2. PERFORMANCE

Only for training and service purposes

LGE Internal Use Only

Search by Number

/ Name Name

Group Yes

There is no limitation on the number

of items. It depends on

available memory amount.

Fixed Dial Number Yes

Service Dial Number No

Own Number Yes

Read only

(add/edit/delete are not

supported)

Voice Memo Yes

Call Reminder No

Network Selection Automatic

Mute Yes

Call Divert Yes

Call Barring Yes

Call Charge (AoC) Yes

Call Duration Yes

SMS (EMS)

There is no limitation on the

number of items. It depends on

available memory

amount.

EMS does not support.

SMS Over GPRS No

EMS Melody / Picture No

Send / Receive / Save No

MMS MPEG4

Send / Receive / Save Yes

Long Message MAX 2000 characters

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