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14. USB Trouble Shooting
Check Bluetooth Module
Y
Check Cable between Bluetooth
and Main Board
Y
Check P705
Y
Check Signal
R3022, R3023
Y
Maybe BCM3556(IC100)
has problems. Replace It.
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Only for training and service purposes
N
Replace Bluetooth
N
Replace cable
N
Replace Jack
Replace one of
N
R3022, R3023
& Recheck
LGE Internal Use Only
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