LG LAS751M - Bluetooth Function Doesnt Working

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ONE POINT REPAIR GUIDE
18. BLUETOOTH FUNCTION DOESN’T WORKING
18-1. Bluetooth module
18-1-1. Solution
Replace Bluetooth module.
18-1-2. How to troubleshoot (Countermeasure)
1) Check 3.3 VA of L208.
2) Check the BT_RST (R157).
 If it’s weird, follow the stage 9-1 (IC100).
 If it’s OK, change the BT module.
3) If it still doesn’t work, follow the stage 12-1 (IC501).
18-1-3. Service hint (Any picture / Remark)
< MAIN board top view >
CN202
CN202