LG KU950 Manuals

Manuals and User Guides for LG KU950. We have 2 LG KU950 manuals available for free PDF download: Service Manual

LG KU950 Service Manual

LG KU950 Service Manual (221 pages)

Service Manual

Brand: LG | Category: Cell Phone | Size: 6.43 MB

Table of Contents

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
  13
- Rssi Bar
  13
- Battery BAR
  13
- Sound Pressure Level
  14
- Charging
  15
3 Technical Brief

16
- General Description
  16
- GSM Mode
  19
- Gsm Transmitter
  21
- WCDMA Mode
  22
- LO Phase-Locked Loop
  24
- Off-Chip RF Components
  27
- Digital Baseband (DBB / MSM6275)
  34
- Hardware Architecture
  35
- Subsystem of MSM6275
  37
- Vocoder Subsystem
  38
- External Memory Interface
  40
- Hardware Sub System
  41
  - Msm Sub System
    43
  - Power Block
    46
  - Camera Interface
    52
  - Keypad Backlight
    57
  - Lcd Module
    58
  - Audio and Sound
    60
- DVB-H System
  65
- Main Features of KU950
  72
4 Trouble Shooting

78
- RF Component
  78
- Signal Path
  80
- Checking VCXO Block
  82
- Checking Ant. Switch Module Block
  85
- Checking WCDMA Block
  87
- Checking GSM Block
  96
  - Checking Vco Block
    97
  - Checking Rf Tx Level
    99
  - Checking Pam Block
    101
  - Checking Rf Rx Block
    102
- Bluetooth RF Block
  104
- Power on Trouble
  107
- USB Trouble
  109
- SIM Detect Trouble
  110
- Key Sense Trouble
  111
- Camera Trouble
  112
- Main LCD Trouble
  113
- Keypad Backlight Trouble
  115
- Folder On/Off Trouble
  116
- Micro SD Trouble
  117
- Audio Trouble
  118
- Charging Trouble
  128
- DVB-H Broadcasting Signal Reception Trouble
  131
- Vibrator Trouble
  134
5 Download

135
- Introduction
  135
- Downloading Procedure
  135
- Connecting to Pc
  136
- Troubleshooting Download Errors
  148
- Caution
  154
6 Block Diagram

155
- GSM & WCDMA RF Block
  155
- Interface Diagram
  157
7 Circuit Diagram

162
8 Pcb Layout

175
9 Calibration Program

184
- Configuration of HOT KIMCHI
  184
- How to Use HOT KIMCHI
  188
- Example for Using HOT KIMCHI
  189
10 Exploded View & Replacement Part List

192
- Exploded View
  192
- Replacement Parts
  194
- Mechanic Component
  194
- Main Component
  197
- Accessory
  219

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LG KU950 Service Manual

LG KU950 Service Manual (26 pages)

Brand: LG | Category: Cell Phone | Size: 1.47 MB

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