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GU280
Service manual
Only For Training And Service Purposes - LG GU280 Service Manual
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Also See for GU280
:
User manual
(154 pages)
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Contents
Table of Contents
Troubleshooting
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Table of Contents
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3. Technical Brief
Figure 1.3.2.1 QSC GSM receiver signal paths functional diagram
Copyright © 2009 LG Electronics. Inc. All right reserved.
- 21 -
LGE Internal Use Only
Only for training and service purposes
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Table of Contents
Troubleshooting
TROUBLE SHOOTING
37
Trouble Shooting of GSM Part (GSM850/900/1800/1900)
39
Trouble Shooting of WCDMA Part
47
Charger Troubleshooting
62
USB Troubleshooting
63
USIM Detect Troubleshooting
65
Camera Troubleshooting
67
Main Keypad Backlight Troubleshooting
69
Sub Keypad Backlight Troubleshooting
70
LCD Troubleshooting
72
Troubleshooting Download Errors
100
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