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MG120a
LG MG120a Manuals
Manuals and User Guides for LG MG120a. We have
1
LG MG120a manual available for free PDF download: Service Manual
LG MG120a Service Manual (106 pages)
Brand:
LG
| Category:
Cell Phone
| Size: 6.7 MB
Table of Contents
Table of Contents
3
1 Introduction
5
2 Performance
9
H/W Features
9
Technical Specification
10
3 Technical Brief
15
MG120 Block Diagram
15
RF Part Introductions
16
Select Mode
20
Baseband Introductions
21
Battery Charging Block
24
Display and Interface
26
Keypad Switches and Scanning
27
Headset Interface
30
4 Trouble Shooting
33
RF Components
34
RX Trouble
35
TX Trouble
41
Power on Trouble
48
Charging Trouble
50
Vibrator Trouble
52
LCD Trouble
54
Speaker Trouble
56
SIM Card Interface Trouble
58
Earphone Trouble
60
KEY Backlight Trouble
62
Microphone Trouble
64
RTC Trouble
66
Folder On/Off Trouble
68
5 Circuit and PCB Layout
70
6 Engineering Mode
77
All Auto Test
80
7 Stand Alone Test
82
Means of Test
83
8 Calibration
85
Test Jig Operation
85
9 Download
89
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