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U970
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Signal Path_Umts Rf - LG U970 Service Manual
Lg u970/ku970 cell phone service manual
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:
User manual
(188 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
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4.2 SIGNAL PATH_UMTS RF
4. TROUBLE SHOOTING
➞
Common Tx/Rx
➞
UMTS 2100 Tx/Rx
➞ UMTS 2100 Tx
➞
UMTS 2100 Rx
➞
Tx I/Q
➞
LO
➞
Rx I/Q
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Table of Contents
Troubleshooting
TROUBLE SHOOTING
76
Power ON Troubleshooting
97
Charger Troubleshooting
98
USB Troubleshooting
102
SIM Detect Troubleshooting
105
Camera Troubleshooting
107
Keypad Backlight Troubleshooting
109
Folder ON/OFF Troubleshooting
111
Main LCD Troubleshooting
113
troubleshooting download errors
134
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