LG GD330 - Listening to the Radio

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Only for training and service purposes
4. TROUBLE SHOOTING
start
Set BT Test mode ON
In Engineering mode(1809#*330#)
6(Eng Mode) Æ 4(BT Testing) Æ
2(RF test) or Select & Push RF test
Check BT Antenna Status
Check 1.8V from ABB
Check 26MHz
Check BT_CLK_REQ
Check BT_RF_OUT
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
Re-Download S/W Replace BT Module
Check DBB(U103)
& Analog switch
Replace BT Antenna
Check U100
Check DCXO or
U401
Check U403
Check FL403
YES
YES
YES
4.3. Bluetooth Trouble Shooting