Sound - LG SK6Y Service Manual

2. NO SOUND
2-1. BLUETOOTH
2-1-1. Solution
Replace MAIN board.
2-1-2. How to troubleshoot (Countermeasure)
1) Please check status of Bluetooth cable connection. (at CN104 and BT module)
2) Please check 3.3 VA (at pin1 of CN104).
If 3.3V is OK, please check BT_RST, DP_BT, DN_BT (pin10, 6, 7).
If no signal, please replace MAIN board.
2-1-3. Service hint (Any picture / Remark)
 
ONE POINT REPAIR GUIDE
 
CN104 CN104
< MAIN board top view >
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3-7
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