Bluetooth - LG LAS350B Service Manual

4. NO BLUETOOTH
4-1. Solution
Replace IC101 on MAIN board.(No 3.3 V)
4-2. How to troubleshoot (Countermeasure)
1) Please check externally status of Bluetooth cable connection on your eyes.(at CON102 and Bluetooth module)
2) Please check 3.3 V of 3.3VA (at C174).
If 3.3 V is OK at L509, please check BT_SDA, BT_SCL, BT_RST (pin53, 51, 25) of IC101
and BT_RX, BT_TX (pin29, 27).
If you have no signal, please replace IC101.
4-3. Service hint (Any picture / Remark)
CON102 CON102
C174 C174
ONE POINT REPAIR GUIDE
< MAIN board top view >
IC101 IC101
3-5