LG U400 Manuals

Manuals and User Guides for LG U400. We have 3 LG U400 manuals available for free PDF download: Service Manual, User Manual, Get Going Manual

LG U400 Service Manual (253 pages)

Brand: LG | Category: Cell Phone | Size: 5.43 MB

Table of Contents
2
1 Introduction

5
- Purpose
  5
- Regulatory Information
  5
- Abbreviations
  7
2 Performance

9
- System Overview
  9
- Usable Environment
  10
- Radio Performance
  10
- Current Consumption
  18
- Rssi
  18
- Battery Bar
  18
- Sound Pressure Level
  19
- Charging
  20
3 Technical Brief

21
- Digital Baseband(DBB) & Multimedia Processor
  21
  - General Description
    21
  - Hardware Architecture
    22
  - External Memory Interface
    26
  - RF Interface
    27
  - SIM Interface
    29
  - UART Interface
    30
  - GPIO (General Purpose Input/Output) Map
    31
  - Usb
    32
  - Slider ON/OFF Detection
    34
  - Bluetooth Interface
    35
  - Microsd Interface Card
    38
  - Power on Sequence
    39
  - Key Pad
    40
- GAM Hardware Subsystem
  42
  - General Description
    42
- Block Description
  43
- Camera & Camera Interface
  45
- M Camera Connector
  45
- Camera Regulator
  48
- Display & LCD FPC Interface
  49
- LCD Backlight Illumination
  51
- Keypad Illumination
  51
- Camera Flash LED Illumination
  52
- LCD Module
  53
- Analog Baseband (ABB) Processor
  54
  - Overview of Audio Path
    54
  - Audio Signal Processing & Interface
    55
  - Audio Mode
    57
  - Voice Call
    58
  - MIDI (Ring Tone Play)
    61
  - MP3 (Audio Player)
    62
  - Video Telephony
    63
  - Audio Main Component
    63
  - Gpadc(General Purpose ADC) and AUTOADC2
    64
  - Charger Control
    65
  - Fuel Gauge
    66
  - Battery Temperature
    67
  - Battery Temperature Measurement
    67
  - Charging Part
    68
- Voltage Regulation
  71
  - Internal Regulation
    71
  - External Regulation
    71
- General Description of RF Part
  73
- GSM Mode
  75
  - Receiver
    75
  - Transmitter
    80
- WCDMA Mode
  82
  - Receiver
    82
  - Transmitter
    85
  - Frequency Generation
    89
4 Trouble Shooting

91
- Power on Trouble
  91
- USB Trouble
  92
- SIM Detect Trouble
  93
- Microsd Card Trouble
  94
- Keypad Trouble
  95
- Camera Trouble
  97
- Vga Camera
  99
- Main LCD Trouble
  101
- Keypad Backlight Trouble
  103
- Keypad Backlight Driver
  104
- Camera Flash Trouble
  105
- Folder ON/OFF Trouble
  107
- Audio Trouble Shooting
  109
  - Receiver
    109
  - Speaker
    113
  - Microphone
    117
  - Headset Receiver
    121
  - Headset MIC
    122
  - Headset
    123
- Charger Trouble Shooting
  124
- Checking Bluetooth Block
  127
  - Checking Vincenne2 Block
    129
  - Checking Bluetooth Block
    130
- RF Component
  131
- Procedure to Check
  133
- Checking Common Power Source Block
  134
- Checking VCXO Block
  140
- Checking Front End Module Block
  145
- Checking Front End Module Block Input Logic
  146
  - Mode Logic by TP Command
    146
  - Checking Switch Block Power Source
    148
- Checking WCDMA Block
  155
  - Checking VCXO Block
    156
  - Checking Ant. SW Module
    156
  - Checking Control Signal
    156
  - Checking RF TX Level
    159
  - Checking PAM Block
    163
  - Checking RX I,Q
    165
- Checking GSM Block
  167
  - Checking Regulator Circuit
    168
  - Checking VCXO Block
    168
  - Checking Front End Module
    168
  - Checking Control Signal
    169
  - Checking RF Tx Path
    171
  - Checking RF Rx Path
    176
5 Download

180
- The Purpose of Downloading Software181
  180
- Download Environment Setup
  180
- U400 Download
  181
  - U400 Download(1) - Phone Model Selection
    181
  - U400 Download(2) - Flashrw Configuration
    182
  - U400 Download(3) - Download File Selection
    184
    
    Download
    185
    
    U400 Download(4) - Connect Download
    185
  - U400 Download(5) - USB Driver Install
    186
    
    Trouble Shooting
    191
6 Block Diagram

192
- GSM & WCDMA RF Block
  192
7 Calibration

193
8 Circuit Diagram

204
9 Calibration

208
- General Description
  208
- XCALMON Environment
  208
  - H/W Environment
    208
  - S/W Environment
    208
  - Configuration Diagram of Calibration Environment
    208
- Calibration Explanation
  209
  - Overview
    209
  - Calibration Items
    209
  - EGSM 900 Calibration Items
    210
  - DCS1800 Calibration Items
    211
  - PCS1900 Calibration Items
    212
  - WCDMA Calibration Items
    213
  - Baseband Calibration Items
    214
- Program Operation
  215
  - XCALMON Program Overview
    215
  - XCALMON Icon Description
    216
  - Calibration Procedure
    219
  - Calibration Result Message
    221
- Replacement Parts
  226
  - Mechanic Component
    226
  - Main Component
    230
10 Exploded View & Replacement Part List

244
- Exploded View
  244
- Accessory
  251

LG U400 User Manual (140 pages)

LG Handset User Guide

Brand: LG | Category: Cell Phone | Size: 9.22 MB

What this Warranty Covers
3
What this Warranty Does Not Cover
3
Table of Contents
6
Guidelines for Safe and Efficient Use
11
Emergency Services and Safety Precautions

12
- Hospital Safety
  13
- Avoid Damage to Your Hearing
  13
- General Safety
  13
- Road Safety
  13
- Vehicles Equipped with an Air Bag
  14
- Third Party Equipment
  14
- Efficient Use
  14
- Radio Frequency Energy
  15
Getting Started

16
Using the Battery, Charger and USIM Card

16
- Installing the Battery
  16
- Removing the Battery
  17
- Inserting the Memory Card
  18
- Removing the Memory Card
  19
- Charging the Battery
  20
- Disconnecting the Charger
  21
- Battery Information and Care
  21
- Memory Information and Care
  22
- Installing the USIM Card
  23
Getting to Know Your LG U400

24
Familiarise Yourself with Its Features

24
Your Handset's Home Screen

26
Display Information

27
Your Handset's Keys and Navigation

28
Function of Keys When Phone Is Idle

29
General Functions

30
Turning Your Handset on

30
Turning Your Handset off

30
Access Codes

30
- PIN Code (4 to 8 Digits)
  30
- PIN2 Code (4 to 8 Digits)
  30
- PUK Code (4 to 8 Digits)
  30
- PUK2 Code (4 to 8 Digits)
  30
- Security Code (4 to 8 Digits)
  31
Barring Password

31
Making and Answering Calls

31
- Making and Answering a Video Call
  31
- Making a Voice/Video Call
  32
- Making a Voice/Video Call from Contacts
  32
- Making International Calls
  32
- Adjusting the Volume
  33
- Answering a Call
  33
- Signal Strength
  33
- Entering Text
  33
- Changing the Text Input Mode
  34
- Using the T9 Mode
  34
- Using the ABC Mode
  35
- Using the 123 (Number) Mode
  35
- Using the Symbol Mode
  35
- Character Chart
  36
Menu Tree

37
Screen

44
Screen Theme

44
- Home Screen
  44
- Outgoing Call
  44
- Switch on
  44
- Switch off
  44
Menu Style

44
Font

44
Greeting Message

45
Backlight

45
Profiles

48
- Vibrate Only
  48
Settings

52
Date & Time

52
- Time
  52
- Date
  52
- Auto Update Date/Time
  52
- Daylight Saving
  53
Auto Key Lock

53
Network

53
- Network Selection
  53
- Location Mode
  53
- Preferred List
  53
Flight Mode

54
Access Points

54
Security

54
- PIN Code Request
  54
- Handset Lock
  55
- Change Codes
  55
Language

56
Memory Status

56
- Common Memory
  56
- Reserved Memory
  56
- USIM Memory
  56
- External Memory
  56
- Format External Memory
  56
Handset Information

56
Reset Settings

56
Browser

58
Home

58
Bookmarks

59
- Connect
  59
- Send
  59
- Add New
  59
- Edit
  59
- Mark/Unmark
  59
- Delete
  59
Saved Pages

59
Go to URL

59
Security

60
Settings

60
- Profiles
  60
- Character Encoding
  60
- Scrolling Control
  60
- Show Image
  60
- Cache
  61
- Cookies
  61
- Clear Cache
  61
- Clear Cookies
  61
Create New Message

64
- Text Message
  64
- Multimedia Message
  64
- Email
  67
Messages

64
Inbox

68
Mailbox

69
Drafts

70
Outbox

70
Sent Items

70
Templates

71
Emoticons

71
Settings

72
- Text Message
  72
- Multimedia Message
  72
- Email
  73
- Videomail
  74
- Voicemail
  74
- Expresslink
  74
- Info. Service
  74
My Stuff

76
Images

76
Videos

77
Sounds

79
Applications

81
Flash Contents

81
External Memory

82
Audio/ Video Play Lists

82
Multimedia

84
Video Camera

84
Camera

84
Voice Recorder

85
Melody Composer

86
DJ-Ing

86
Settings

86
Contacts

88
Add New

88
Search

88
Speed Dials

88
Groups

89
Service Dial Numbers

89
Own Number

89
Settings

89
- Display Data
  89
- Show Image/Avatar
  89
- Copy All
  89
- Move All
  90
- Clear Contacts
  90
Games & Apps

92
My Games & Apps

92
Download Games & Apps

92
Settings

92
Calendar

96
Organiser

96
To Do

98
- To Do Enquiry
  98
- Adding to Do Items
  99
- To Do Delete
  99
- Finished/Not Finished
  99
- Mark/Unmark
  99
- To Do Detailed View
  99
Memo

100
Secret Memo

100
Date Finder

101
Dateulator

101
Settings

102
- Calendar
  102
- Memory Info
  102
- Clear All
  102
Tools

104
Quick Menu

104
Alarm Clock

105
Connectivity

106
- Bluetooth
  106
- Server Synchronisation
  107
Calculator

108
World Time

108
Unit Converter

109
- Currency
  109
- Surface
  109
- Length
  110
- Weight
  110
- Temperature
  110
- Volume
  111
- Velocity
  111
Calling

114
Video Calls

114
- My Picture Size
  114
- My Picture Position
  114
- Hide My Picture
  114
- Mirror
  114
- Substitute Picture
  114
Call History

114
- Missed Calls
  115
- Received Calls
  115
- Dialled Calls
  115
- All Calls
  115
Call Duration

115
- Last Call
  115
- Dialled Calls
  116
- All Calls
  116
Call Divert

116
- Voice Calls
  116
- Video Calls
  116
- Deactivate All
  117
Call Barring

117
- Voice Calls
  117
- Video Calls
  117
- Deactivate All
  118
Fixed Dial Numbers

118
Call Waiting

118
Settings

118
- Call Reject
  118
- Send My Number
  119
- Auto Redial
  119
- Answer Mode
  119
- Minute Minder
  119
- BT Answer Mode
  119
Troubleshooting

122
Accessories

124
Glossary

126
- Voice Mail
  129
Index

130

LG U400 Get Going Manual (8 pages)

Brand: LG | Category: Cell Phone | Size: 1.07 MB

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More LG Manuals

LG U400 Manuals

LG U400 Service Manual (253 pages)

Table of Contents

1 Introduction

2 Performance

3 Technical Brief

4 Trouble Shooting

5 Download

6 Block Diagram

7 Calibration

8 Circuit Diagram

9 Calibration

10 Exploded View & Replacement Part List

LG U400 User Manual (140 pages)

Table of Contents

Emergency Services and Safety Precautions

Getting Started

Using the Battery, Charger and USIM Card

Getting to Know Your LG U400

Familiarise Yourself with Its Features

Your Handset's Home Screen

Display Information

Your Handset's Keys and Navigation

Function of Keys When Phone Is Idle

General Functions

Turning Your Handset on

Turning Your Handset off

Access Codes

Barring Password

Making and Answering Calls

Menu Tree

Screen

Screen Theme

Menu Style

Font

Greeting Message

Backlight

Profiles

Settings

Date & Time

Auto Key Lock

Network

Flight Mode

Access Points

Security

Language

Memory Status

Handset Information

Reset Settings

Browser

Home

Bookmarks

Saved Pages

Go to URL

Security

Settings

Create New Message

Messages

Inbox

Mailbox

Drafts

Outbox

Sent Items

Templates

Emoticons

Settings

My Stuff

Images

Videos

Sounds

Applications

Flash Contents

External Memory

Audio/ Video Play Lists

Multimedia

Video Camera

Camera

Voice Recorder

Melody Composer

DJ-Ing