Read LG 47LX9500-UA (CHASSIS:LA02R) Service Manual online
23. Trouble shooting - Wireless media box - connection error
Check input Wireless media box & dongle
Check wireless Cable conductors
for damage or open conductor
Check JK8709
Soldering state
Check R8709 24V
ok
ok
ok
No
No
Replace Jack
ok
Check power board
Check Wireless _DET
Check R8713 3.3V
Replace Jack
3.3V
Low
No
Check IC8700 11,10Pin
Replace Jack recheck Wireless media box & dongle
Replace BCM( IC900)
or Main Board.
High
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