Read Harman Kardon ONYX STUDIO 3 (serv.man2) Service Manual online
BT cannot work
BT can not work
Go
Replace the antenna
Check the connection for BT antenna
Replace the U6
Check the power supply of the BT (SYS_3V3,
VCC_BT,
VCC_BT,
BT_1.8V
)
Replace the PCBA for main board.
No
No
Yes
Yes
5-2
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