LG KT615 Manuals

Manuals and User Guides for LG KT615. We have 1 LG KT615 manual available for free PDF download: Service Manual

LG KT615 Service Manual

LG KT615 Service Manual (234 pages)

Brand: LG | Category: Cell Phone | Size: 12.18 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
  8
- Current Consumption
  15
- Rssi Bar
  15
- Battery BAR
  15
- Sound Pressure Level
  16
- Charging
  17
3 Technical Brief

18
- General Description
  18
- Gsm Mode
  20
- Umts Mode
  23
- Gps Mode
  26
- LO GENERATION and DISTRIBUTION CIRCUIT
  27
- Off-Chip Rf Components
  28
- Digital Baseband (Stn8810 / MSM6280)
  31
- Hardware Architecture
  33
- Subsystem of Stn8810
  36
- Hardware Peripheral System of Stn8810
  39
- Subsystem of MSM6280
  45
- External Memory Interface
  47
- Hardware Sub System of MSM6280
  49
- Audio and Sound
  61
- Camera Interface
  68
- Bluetooth
  76
- Main Features
  77
- Main Component
  78
4 Trouble Shooting

85
- RF Component
  85
- Signal Path
  87
- Checking TCXO Block
  90
- Checking Ant. Switch Module Block
  92
- Checking WCDMA Block
  94
  - Checking Rf Tx Level
    95
  - Checking Pam Block
    98
- Checking GSM Block
  105
- Checking Rf Rx Block
  109
- Power on Trouble
  112
- USB Trouble
  114
- SIM Detect Trouble
  115
- Key Sense Trouble
  116
- Keypad Backlight Trouble
  118
- Folder On/Off Trouble
  120
- Micro SD Trouble
  122
- Charging Trouble
  124
- Audio Trouble
  126
- Camera Trouble
  139
- Main LCD Trouble
  145
- Bluetooth Trouble
  148
5 Download

150
- COM PORT Setting Method When Using USB Download
  150
- How to KT610 Download
  153
- How to Download
  155
6 Block Diagram

156
7 Circuit Diagram

164
8 Bga IC Pin Check

176
9 Pcb Layout

186
10 Calibration & Rf Auto Test (Hot Kimchi)

194
- Usage of Hot-Kimchi
  194
11 Test Mode

197
12 Exploded View & Replacement Part List

200
- Exploded View
  200
- Replacement Parts
  206
- Mechanic Component
  206
- Main Component
  210
- Accessory
  232

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