LG SH7B - Listening to Music in Different Modes; Group Playback Setup; Group Playback Recommendations

3-15
ONE POINT REPAIR GUIDE
14. IF NOT BOOTING WHEN YOU TURN ON THE SET.
14-1. IC505 (NAND Flash Memory IC)
14-1-1. Solution
Replace IC505 on MAIN board.
14-1-2. How to troubleshoot (Countermeasure)
1) Check D_3.3V of R512, R511 and C5B1.
2) If D_3.3V is abnormal, follow the stage 6-1 (IC304).
3) Even though you followed above step, it doesn’t work, replace the IC505.
14-1-3. Service hint (Any picture / Remark)
< MAIN board bottom view >
IC505
IC505