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LG Manuals
Cell Phone
L601i
Service manual
Table Of Contents - LG L601i Service Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
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1. INTRODUCTION
.............................. 5
1.1 Purpose
................................................... 5
1.2 Regulatory Information
............................ 5
2. PERFORMANCE
...............................7
2.1 System Overview
.....................................7
2.2 Usable environment
.................................8
2.3 Radio Performance
..................................8
2.4 Current Consumption
.............................14
2.5 Antenna BAR
.........................................14
2.6 Battery BAR
...........................................14
2.7 Sound Pressure Level
............................15
2.8 Charging
................................................16
3. TECHNICAL BRIEF
........................17
3.1 General Description
...............................17
3.2 GSM Mode
.............................................20
3.3 WCDMA Mode
.......................................23
3.4 LO Phase-locked Loop
..........................26
3.5 Off-chip RF Components
.......................28
3.6 Digital BaseBand(DBB/MSM6250A)
......33
3.7 Hardware Architecture
...........................34
3.8. Subsystem(MSM6250A)
.......................36
3.9. External memory interface
....................39
3.10. H/W Sub System
.................................40
3.11 LG-L601i(Nausicaa) Main features
......63
4. TROUBLE SHOOTING
...................68
4.1 RF Component
.......................................68
4.2 SIGNAL PATH
.......................................69
4.3 Checking VCXO Block
...........................71
4.4 Checking Ant. SW Module Block
...........74
4.5 Checking WCDMA Block
.......................77
4.6 Checking GSM Block
.............................83
4.7 Power ON Trouble
.................................91
4.8 USB Trouble
..........................................93
4.9 SIM Detect Trouble
................................94
4.10 Key Sense Trouble
..............................95
Table Of Contents
- 3 -
4.11 Camera Trouble
...................................96
4.12 Main LCD Trouble
................................97
4.13 Folder ON/OFF Trouble
.......................99
4.14 Camera Direction Change Trouble
....100
4.15 Audio Trouble Shooting
.....................101
4.16 Charger Trouble Shooting
..................111
5. DOWNLOAD
..................................114
5.1 Introduction
..........................................114
5.2 Downloading Procedure
.......................114
5.3 Troubleshooting Download Errors
.......123
5.4 Caution
.................................................128
6. BLOCK DIAGRAM
........................129
6.1 GSM & WCDMA RF Block
...................129
6.2 Interface Diagram
................................131
7. Circuit Diagram
............................135
8. pcb layout
.....................................142
9. Calibration & RF Auto
Test Program
................................147
9.1 Configuration of HOT KIMCHI
.............147
9.2 How to use HOT KIMCHI
.....................150
10. EXPLODED VIEW &
REPLACEMENT PART LIST
..... 153
10.1 EXPLODED VIEW
............................ 153
10.2 Replacement Parts
<Mechanic component
>.................... 155
<Main component
> ........................... 159
10.3 Accessory
......................................... 176
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Table of Contents
Troubleshooting
TROUBLE SHOOTING
67
Audio Trouble Shooting
100
Charger Trouble Shooting
110
Troubleshooting Download Errors
122
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