Wireless Network Connection Error - (Option Part) - LG BPM55 Service Manual

6. WIRELESS NETWORK CONNECTION ERROR - (OPTION PART)

When you connect online service (like Youtube or Netflix2.1) through the Wi-Fi,
the "no connection" message appears.
6-1. Wi-Fi Module
6-1-1. Solution
Replace Wi-Fi module.
6-1-2. How to troubleshoot (Countermeasure)
1) Check you internet connection.
Make sure it connect properly to modem or router.
2) If internet connection OK, please check the CN803.
3) If there is soldering problem, please re-soldering pin CN803.
4) If after re-soldering problem still occurs, Please check CN803 pin5 (Wi-Fi 5V)
5) If there is no 5 V, please check IC191 pin6 (5 V)
6) If IC191 pin abnormal, check C191, C192, C193, R192
and there is no defective component, replace IC191.
7) After changing it, if the set is still no connection, replace Wi-Fi module.
8) If problem still occurs after change it, check MPEG IC (IC501).
Refer to item 3-8.
6-1-3. Service hint (Any picture / Remark)
ONE POINT REPAIR GUIDE
CN803, < Main board top view >
< Wi-Fi module >
3-40
CN803