Harman JBL BAR 2.1 - Bluetooth Connectivity Issues

BT cannot wo
rk
BT
cannotwork.
Go
Replacethe
antenna.
Check
the connection for BT antenna，yes or
not？
Replacethe
U21.
Checkthe
powersupplyoftheBT(BT_3V3).
Re
placethePCBAformainboard.
YES
YES
NO
NO
5-2