LG 32LG7000 Service Manual page 22

2-10. In case of no connection blue tooth device
(1) Symptom
1) TV set display is fine.
2) TV set don't search blue Tooth device.
(2) Check the followings
Check the blue tooth device power.
The blue tooth device is headset?
Is it Pairing Mode?
(Blue tooth headset device)
Setting headset to 'Pairing Mode' and retry
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Only for training and service purposes
No
Yes
No
Yes
Yes
No
Recharge device and power on
Check connection blue tooth cable on TV set.
No problem
Check P903(main board) 5pin(5V).
No problem
Check P903(main board) 2,3pin signal
USB interface
No problem
Replace Blue Tooth board.
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No signal
Replace IC904 of Main B/D
Or Replace Main B/D
LGE Internal Use Only