LG SH7B - Mesh Network Direct Connection and Auto Music Play; Direct Device Connection and Auto Play Feature

3-25
ONE POINT REPAIR GUIDE
24. B(BURNT) PROTECTION
24-1. B PROTECTION
24-1-1. Solution
Replace IC700, IC701 (AMP IC) on MAIN board.
24-1-2. How to troubleshoot (Countermeasure)
1) Check voltage 12 V of IC700, IC701 at pin 1, if 12V has problem, follow the stage 1-1.
2) If 12V is OK, IC700, IC701 (AMP IC) on MAIN bottom board.
24-1-3. Service hint (Any picture / Remark)
< MAIN board bottom view >
IC701
IC701
IC700
IC700