LG CU915 Manuals

Manuals and User Guides for LG CU915. We have 2 LG CU915 manuals available for free PDF download: Manual, Instructions

LG CU915 Manual

LG CU915 Manual (212 pages)

Brand: LG | Category: Cell Phone | Size: 11.51 MB

Table of Contents

Table of Contents
1
1 Introduction

3
- Purpose
  3
- Regulatory Information
  3
2 Performance

5
- System Overview
  5
- Usable Environment
  6
- Radio Performance
  7
- Current Consumption
  14
- Rssi Bar
  14
- Battery BAR
  15
- Charging
  15
- Sound Pressure Level
  16
3 Technical Brief

17
- General Description
  17
- GSM Mode
  19
- UMTS Mode
  23
- LO Generation and Distribution Circuits
  26
- Off-Chip RF Components
  27
- Digital Baseband (MSM6281)
  44
- Subsystem(Msm6281)
  46
- Power Block
  55
- External Memory Interface
  60
- H/W Sub System
  62
- MAIN Features
  78
4 Trouble Shooting

83
- RF Component
  83
- Component Description
  86
- WCDMA RF Signal Path
  87
- GSM RF Signal Path
  88
- Checking VCTCXO Block
  89
- Checking Front-End Module Block
  92
- Checking WCDMA Block
  94
- Checking GSM Block
  99
- Checking Bluetooth Block
  105
- Power on Troubleshooting
  108
- Charger Troubleshooting
  110
- USB Troubleshooting
  113
- USIM Detect Troubleshooting
  115
- Camera Troubleshooting
  117
- Keypad Backlight Troubleshooting
  119
- LCD Troubleshooting
  120
- Receiver Path
  121
- Headset Path
  123
- Speaker Phone Path
  125
- Main Microphone
  127
- Headset Microphone
  129
- Vibrator
  131
- Checking Media FLO Block
  132
5 Download

136
- Introduction
  136
- Downloading Procedure
  136
- Troubleshooting Download Errors
  150
- Caution
  157
6 Block Diagram

158
7 Circuit Diagram

169
8 BGM Pin Map

179
9 Pcb Layout

181
10 Calibration & RF Auto Test Program (Hot Kimchi)

185
- Configuration of HOT KIMCHI
  185
- How to Use HOT KIMCHI
  186
11 Exploded View & Replacement Part List

189
- Exploded View
  189
- Replacement Parts
  191
- Mechanic Component
  191
- Main Component
  193
- Accessory
  210

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LG CU915 Instructions

LG CU915 Instructions (3 pages)

Unlocking Instructions

Brand: LG | Category: Cell Phone | Size: 0.18 MB

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