Audio - LG NP8340BM0 Service Manual

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