LG 65UH950T - WIFI stops detecting wireless networks after 15 min
I have this LG TV (65UH950T) for about 7 years. Never had any issues until just a few weeks ago when the WIFI connection started playing up.
If I turn the TV on after being unplugged from the wall for a few minutes, the WIFI connects with no issue. But, after about 15 min it losses the connection. When I go to the WIFI setting I see that no other wireless networks appear in the list when searching. If I turn the TV off, unplug from wall and leave it for a few minutes, it will work again, for another 15min.
About 2 weeks ago, I replaced the WIFI Module with a new one. The WIFI worked flawlessly with no issues, But now the issue is back again. I suspect there is something else leading to here since the issue is exactly the same.
The Magic Remote, which uses Bluetooth, and the LAN port work alright.
I couldn't find the Service/Repair Manual for this model anywhere on the web however I found a pretty close model (LG_55UH950V_UD62M.pdf) on this website that suggests to check the WIFI Mac value and Pin 1 voltage (+3.5V), which I haven't gone through that yet. I just ordered a Service Remote Control to check the WIFI Mac Value but it hasn't arrived yet.
Would you be able to lead me to the right direction and advise what I need to do to get that fixed? If you have the Service Manual for this TV (65UH950T), that could provide more details to be helpful as well.
I haven't opened the TV again yet to take new pictures but these photos are from previous attempt.
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