LG NP8340 - Audio

3-20
ELECTRICAL TROUBLESHOOTING GUIDE
Check mode (Wi-Fi, B/T)
Check 3.3 V
(CN501 Pin10).
Check UART signal
(CN500 Pin4, 6, 7, 8).
Check power circuit troubleshooting.
Check the B/T module, replace it.
OK
YES
YES
YES
NO
NO
4-2. AUDIO (BLUETOOTH MODE)