LG D690 - Page 62

3. TROUBLE SHOOTING
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3.9.2 WIFI, BT Troubleshooting
START
Check TP1,2
TP1 C5103 is 1.8v
TP2 R5111 is 3.3v
Check ANT5100
Check U4100
Remove the foreign
substance in ANT5100
Check U5100
ANT 5100 : Ant. Contact
U5100 : MT6627
U4100 :MT6323
Yes
Yes
Yes
No
No