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TU550
Service manual
Only For Training And Service Purposes - LG TU550 Service Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
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4. TROUBLE SHOOTING
4.6.5 Checking RF Rx Block
TP1. GSM850 Rx SAW Input
TP2. DCS Rx SAW Input
TP3. PCS Rx SAW Input
TP4. GSM900 Rx SAW Input
LGE Internal Use Only
TP4
TP2
- 90 -
TP1
TP3
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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Table of Contents
Troubleshooting
TROUBLE SHOOTING
68
Power ON Troubleshooting
92
Charger Troubleshooting
94
USB Troubleshooting
97
SIM Detect Troubleshooting
99
Camera Troubleshooting
100
Keypad Backlight Troubleshooting
101
Folder ON/OFF Troubleshooting
102
Main LCD Troubleshooting
103
Troubleshooting Download Errors
128
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