LG LG-D618 - Settings; Bluetooth, Mobile Data, and Call Settings; Tethering, Hotspot, and Network Options

3. TROUBLE SHOOTING
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Only for training and service purposes
LGE Internal Use Only
Test point Net name Description
TP1 VREG_L6_1V8 Power for WCN Digital I/O circuits
TP2 VREG_L10_1V8 Power for XO circuitinput voltage.
TP3 VREG_L24_1V3
Power for WCN analog, digital,and RF core circuits.
Power for WLAN driver amplier circuits
TP4 VREG_L16_3V3 Power for WLAN 2.4GHz PA circuits
3.8.3 Checking WIFI,BT
START
Check ANT5100
Check TP1,2,3,4
TP1 C5100 is 1.8v
TP2 C5103 is 1.8v
TP3 FB5100 is 1.3v
TP4 C5116 is 3.3v
Remove the foreign substance
inANT1103
ANT5100 : Ant. Contact
U5100 : WCN3620
U4100 : PM8226
Yes
No
Check U5100
Check U4100
Yes
No