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LG W5300 Manuals
Manuals and User Guides for LG W5300. We have
1
LG W5300 manual available for free PDF download: Service Manual
LG W5300 Service Manual (139 pages)
GSM Phone
Brand:
LG
| Category:
Cell Phone
| Size: 11.24 MB
Table of Contents
Table of Contents
2
1 Introduction
4
Purpose
4
Regulatory Information
4
Security
4
Incidence of Harm
4
Changes in Service
4
Maintenance Limitations
4
Notice of Radiated Emissions
5
Pictures
5
Interference and Attenuation
5
Electrostatic Sensitive Devices
5
Abbreviations
6
2 Performance
7
H/W Feature
7
Technical Specification
8
3 Technical Brief
12
General Description
12
Receiver
12
RF Front End
13
Demodulator and Baseband Processing
13
DC Offset Compensation
13
Transmitter Part
14
IF Modulator
14
Opll
15
Synthesizer
15
Power Amplifier
16
13 Mhz Clock
17
Power Supplies and Control Signals
17
Testing Set-Up and Checking Signals
18
Received RF Level and Checks
18
Transmitted RF Level and Checks
18
Digital Main Processor
31
Analog Main Processor
36
Power Management
41
Memories
43
Display and Interface
43
Keypad Switches and Scanning
44
Microphone
45
Earpiece
46
Hands-Free Interface
46
Headset Jack Interface
46
Key Back-Light Illumination
47
LCD Back-Light Illumination
48
Speaker & MIDI IC
49
4 Trouble Shooting
51
RF Components
51
Rx Trouble
52
Tx Trouble
60
Power on Trouble
73
Charging Trouble
75
LCD Trouble
77
Receiver Trouble
79
Speaker Trouble
81
MIC. Trouble
84
Vibrator Trouble
87
Backlight LED Trouble
89
SIM Detect Trouble
91
Earphone Trouble
93
HFK Trouble
98
5 Disassembly Instruction
101
Disassembly
101
6 Download and Calibration
104
Download
104
Calibration
110
Equipment List
110
Equipment Setup
110
Test Jig Operation
111
Procedure
112
7 Block Diagram
113
8 Circuit Diagram
114
Main
114
Memory & MMI
115
MIDI
116
Rf Circuit
117
9 Pcb Layout
118
10 Engineering Mode
120
About Engineering Mode
120
Access Codes
120
Key Operation
120
BB Test [MENU 1]
120
Lcd [1-1]
120
Backlight [1-2]
120
Buzzer [1-3]
120
Vibrator [1-4]
120
ADC (Analog to Digital Converter) [1-5]
121
Battery [1-6]
121
Audio [1-7]
121
DAI (Digital Audio Interface)
121
RF Test [MENU 2]
122
SAR Test [2-1]
122
MF Mode [MENU 3]
122
All Auto Test [3-1]
122
Backlight [3-2]
122
Buzzer [3-3]
122
Vibrator [3-4]
122
Lcd [3-5]
122
Key Pad [3-6]
122
Trace Option [MENU 4]
123
Call Timer [MENU 5]
123
All Calls [5-1]
123
Reset Settings [5-2]
123
Fact. Reset [MENU 6]
123
S/W Version [MENU 7]
123
11 Stand Alone Test
124
Introduction
124
Tx Test
124
Rx Test
124
Setting Method
124
COM Port
124
Means of Test
125
12 Auto Calibration
126
Overview
126
Requirements
126
Menu and Settings
126
Agc
128
Apc
128
Adc
128
Setting
128
How to Do Calibration
128
13 Exploded View & Replacement Part List
129
Accessories
131
Replacement Part List
132
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