LG D686 - Connecting to Networks and Devices; Wi-Fi Connectivity

3. TROUBLE SHOOTING
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No
No
No
Replace U103/U104
Yes
Yes
Yes
Check TP1 at U103/U104
Check if there is any major dierence referring
To Figure 4.2.1.4 Is it similar ?
Check TP2 at U103/U104
Check if there is any major dierence referring
To Figure 4.2.1.4 Is it similar ?
Check TP3 at U103/U104
Whether it is higher than 1.5V
Check anything point
PAM circuits OK See next page
The Problem may be Logic part
Refer to Logic troubleshoot
3.2.1.3 Checking B1 / B2 / B5 / B8 TX PA