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ME550C
LG ME550C Manuals
Manuals and User Guides for LG ME550C. We have
1
LG ME550C manual available for free PDF download: Service Manual
LG ME550C Service Manual (167 pages)
Brand:
LG
| Category:
Cell Phone
| Size: 4.01 MB
Table of Contents
Table of Contents
2
1 General Description
4
2 Performance
5
Product Name
5
Supporting Standard
5
Main Parts : GSM Solution
5
HW Feature
6
Technical Specification
11
3 Circuit Description
16
General Description
16
RF Part
16
Transmitter Part
18
Digital Baseband
23
Block Description
24
Sim Interface
27
Uart Interface
28
Camera Interface
30
Analog Baseband
31
Lcd Module
35
Bluetooth Interface
39
Pin Description
40
4 Trouble Shooting
42
RF Part Technical Brief
42
RF Part Trouble Shooting
48
Bluetooth Trouble Shooting
56
Baseband Part Troubleshooting
60
Charging Trouble Shooting
64
LCD Display Trouble
67
Camera Trouble Shooting
72
Flash LED Trouble Shooting
78
SIM Detect Trouble Shooting
81
Slide Up/Down and Trouble Shooting
84
Speaker/Receiver Trouble Shooting (Common Path)
86
Speaker/Receiver Trouble Shooting (Acoustic Path)
89
MIC Trouble Shooting
90
Ear-MIC Jack Detection Trouble Shooting
92
Ear-MIC Hook Detection Trouble Shooting
93
Ear-MIC Headset MIC Trouble Shooting
94
Ear-MIC Headset HSOR/HSOL Trouble Shooting
95
FM-Radio Trouble Shooting
97
Transflash Trouble Shooting
98
Main Key Backlight LED Trouble Shooting
100
Slide Key Backlight LED Trouble Shooting
102
Vibrator Trouble Shooting
103
5 Downloading Software
104
The Purpose of Downloading Software
104
The Environment of Downloading Software
104
Download Procedure
106
6 Block Diagram
113
7 Circuit Diagram
116
8 Pcb Layout
127
9 RF Calibration
138
What's the Rx Calibration
138
What's the Tx Calibration
138
Calibration Program - HOT_KIMCHI
139
12 Exploded View & Replacement Part List
144
Exploded View
144
Replacement Parts
146
Mechanic Component
146
Main Component
150
Accessory
165
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