LG TU750 Manuals

Manuals and User Guides for LG TU750. We have 2 LG TU750 manuals available for free PDF download: Service Manual, User Manual

LG TU750 Service Manual (253 pages)

Smartphone LG TU750

Brand: LG | Category: Cell Phone | Size: 13.43 MB

Table of Contents
2
1 Introduction

4
- Purpose
  4
- Regulatory Information
  4
2 Performance

6
- System Overview
  6
- Usable Environment
  7
- Radio Performance
  7
- Current Consumption
  15
- Rssi
  15
- Battery Bar
  15
- Sound Pressure Level
  16
- Charging
  17
3 Technical Brief

18
- Digital Baseband(DBB) & Multimedia Processor
  18
  - External Memory Interface
    20
  - Hardware Architecture
    21
  - Sim Interface
    25
  - Uart Interface
    25
  - Bluetooth Interface
    32
  - Microsd Interface Card
    36
  - Power on Sequence
    37
- GAM Hardware Subsystem
  43
  - Block Description
    44
  - Camera Regulator
    49
  - Main Lcd
    50
  - Lcd Backlight Illumination
    52
  - Keypad Illumination
    52
- Audio Part
  54
  - Audio Mode
    56
  - Voice Call
    57
  - Audio Main Component
    60
- Gpadc(General Purpose ADC) and AUTOADC2
  61
- Charger Control
  62
  - Fuel Gauge
    63
  - Battery Temperature Measurement
    64
  - Charging Part
    65
- Voltage Regulation
  68
- RF Technical Description
  69
4 Trouble Shooting

79
- Power on Trouble
  79
- Main Pcb
  79
- USB Trouble
  80
- SIM Detect Trouble
  81
- Microsd Card Trouble
  82
- Keypad , Touch Button and Touch Screen Trouble
  83
- Main Board
  84
- Multi el Lighting Trouble
  88
- Camera Trouble
  92
- Main LCD Trouble
  98
- Keypad Backlight Trouble
  100
- Folder ON/OFF Trouble
  102
- Audio Trouble Shooting
  104
- Charger Trouble Shooting
  124
- Checking PMIC Block
  126
- RF Component
  129
- Procedure to Check
  130
- Checking Common Power Source Block
  131
- Checking VCXO Block
  136
- Checking Front End Module Block
  140
- Checking Front End Module Block Input Logic
  141
- Checking WCDMA Block
  144
  - Checking Control Signal
    145
  - Bottom View
    145
  - Checking Rf Tx Level
    148
  - Checking Pam Block
    151
- Checking GSM Block
  153
- Checking A-GPS Block
  166
5 Download

169
- Lgdp2
  169
- Download
  171
6 Block Diagram

173
- GSM & WCDMA RF Block
  173
- Whole Block Diagram
  175
7 Circuit Diagram

176
- Side Key
  187
8 BGA Pin Map

188
- Top View
  188
9 Pcb Layout

194
10 Calibration

204
- General Description
  204
- Environment
  204
- Calibration Environment
  205
- Calibration Procedure
  205
- Program Operation
  206
11 Stand-Alone Test

209
- General Description
  209
- USB Communication Setting
  210
- Program Operation
  211
- Stand-Alone Test
  214
12 Exploded View & Replacement Part List

217
- Exploded View
  217
- Replacement Parts
  222
  - Mechanic Component
    222
  - Main Component
    227
- Accessory
  251

LG TU750 User Manual (103 pages)

LG Cell Phone User Manual

Brand: LG | Category: Cell Phone | Size: 4.69 MB

Limited Warranty Statement
3
What this Warranty Covers
3
Table of Contents
6
Effi Cient Use
8
- Road Safety
  10
- Efficient Phone Operation
  10
- Guidelines for Safe and Effi Cient Use
  12
- Potentially Explosive
  12
- Battery Information and Care
  13
Your Phone
14
Open View
16
Battery
17
Installing the Sim Card and Battery
18
Memory Card
20
Your Standby Screen
21
General Functions
22
Making a Call
22
Adjusting the Volume
24
Answering a Call
24
Entering Text
24
Using the 123 (Numbers) Mode
27
T9 Dictionary
27
In-Call Menu
29
During a Call
29
Conference Calls
30
Menu Tree
32
Vision
33
Video/Radio
33
Rogers Music Player
33
Friends
33
Mobilemail
33
Rogers Mail
33
Internet
33
More Service
33
Rogers Mall
34
Media
35
Camera
35
Music Player
38
Audio & Ring Tunes
44
Pictures
45
Video
45
Other Files
46
Memory Card
47
Games&Apps
48
Applications
48
Tools
49
Call History
56
Missed Calls
56
Dialed Calls
56
Received Calls
56
All Calls
56
Call Duration
56
Internet
57
Messages
58
Rogers IM
58
Mobilemail
63
Create Message
64
Inbox
68
Drafts
69
Outbox
70
Sent
71
Call Voicemail
71
Message Settings
71
Internet
75
Contacts
76
Contact List
76
New Contact
76
Caller Groups
76
Speed Dial List
76
Contacts Management
77
Service Dial Numbers
77
My Numbers
77
Settings
78
Audio & Ring Tunes
78
Phone Settings
79
Display
82
Touch Keypad
83
Call
83
Connection
86
Memory
89
Application Settings
90
Phone Information
95
- Connecting Your Phone and Pc
  96
- Your Computer
  96
PC Sync
96
- Synchronising Your Contacts
  97
- Synchronising Your Messages
  98
- Storage Device
  98
- Synchronising Your Music
  98
Accessories
100
Trouble Shooting
102

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LG TU750 Manuals

LG TU750 Service Manual (253 pages)

Table of Contents

1 Introduction

2 Performance

3 Technical Brief

4 Trouble Shooting

5 Download

6 Block Diagram

7 Circuit Diagram

8 BGA Pin Map

9 Pcb Layout

10 Calibration

11 Stand-Alone Test

12 Exploded View & Replacement Part List

LG TU750 User Manual (103 pages)

Table of Contents

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