- 1 -
1. Introduction
...................................
2
2. Specification & Feature
..........
2
2.1 Product Name .................................. 2
2.2 Supporting Standard ........................ 2
2.3 Main Parts ........................................ 2
2.4 Main Features .................................. 3
2.5 HW Features .................................... 4
2.6 SW Features .................................... 6
3. Keypad Arrangement &
Functions
.......................................
10
3.1 Keypad Arrangement ..................... 10
3.2 Functions of Keys .......................... 11
4. Disassembly/Reassembly
...
12
4.1 Disassembly .................................. 12
4.1.1 Disassembly of Upper Case/Lower
Case ........................................ 12
4.1.2 Disassembly of Lower-Case
Components ............................ 13
4.1.3 Assembly of Lower Case ......... 15
4.1.4 Disassembly of PCB ................ 16
5. Data Kit & Test Method
.........
17
5.1 Data Kit .......................................... 17
5.1.1 Download Equipment ............... 17
5.1.2 Data Kit Download
Procedure ................................ 17
5.1.3 Test Equipment ........................ 21
5.1.4 Test Equipment Setup ............. 21
5.2 Test Method ................................... 22
5.2.1 Power-On Trouble ................... 22
5.2.2 MIC Trouble ............................. 23
5.2.3 RECEIVER Trouble ................. 24
5.2.4 Melody Trouble ........................ 25
5.2.5 LCD Trouble ............................ 26
5.2.6 Charge Trouble ........................ 27
5.2.7 Vibrator is not working ............. 28
5.2.8 Backlight is not Working .......... 29
5.2.9 TX POWER Trouble(E-GSM) ..... 30
5.2.10 TX Power Trouble(DCS) ........ 32
5.2.11 RX Sensitivity
Trouble (E-GSM) ................... 34
5.2.12 Rx Sensitivity
Trouble(DCS) ......................... 37
6. PCB Diagram & Testpoint
Description
.................................
40
7. Block Diagram
...........................
45
7.1 BB Block Diagram .......................... 45
7.2 RF Block Diagram ......................... 46
8. Schematic Diagram
................
47
8.1 Key Pad
(LCD Interface & Earphone) .......... 48
8.2 Main Board .................................... 48
8.2.1 Baseband(Ulysse & Omega) ... 49
8.2.2 Memory Devices ...................... 50
8.2.3 Audio & Peripheral Circuit ........ 51
8.2.4 I/O & B’ to
B Connector Interface .............. 51
8.3 RF Top Schematic ......................... 52
8.3.1 RF Front End ........................... 52
8.3.2 RF Main ................................... 53
9. EXPLODED VIEW
.....................
55
10. Replacement Parts list
.......
56
Table Of Contents
Summary of Contents for LG-600
Page 1: ...GSM Phone SERVICE MANUAL MODEL LG 600 SERVICE MANUAL MODEL LG 600 ...
Page 2: ......
Page 42: ... 40 6 PCB Diagram Testpoint Description LG 600 KEY BOARD LAYER 1 ...
Page 43: ...6 PCB Diagram Testpoint Description 41 LG 600 KEY BOARD LAYER 4 ...
Page 44: ... 42 LG 600 MAIN BOARD LAYER 1 ...
Page 45: ... 43 6 PCB Diagram Testpoint Description LG 600 MAIN BOARD LAYER 8 ...
Page 46: ... 44 ...
Page 47: ... 45 7 Block Diagram 7 Block Diagram 7 1 BB Block Diagram ...
Page 48: ... 46 7 2 RF Block Diagram ...
Page 49: ... 47 8 Schematic Diagram 8 Schematic Diagram 8 1 Key Pad LCD Interface Earphone ...
Page 50: ... 48 8 2 Main Board 8 2 1 Baseband Ulysse Omega ...
Page 51: ... 49 8 Schematic Diagram 8 2 2 Memory Devices ...
Page 52: ... 50 8 2 3 Audio Peripheral Circuit ...
Page 53: ... 51 8 Schematic Diagram 8 2 4 I O B to B Connector Interface ...
Page 54: ... 52 8 3 RF Top Schematic 8 3 1 RF Front End ...
Page 55: ... 53 8 Schematic Diagram 8 3 2 RF Main ...
Page 56: ... 54 ...
Page 72: ... 70 ...