LG NP8340, Service Manual

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3-9
ONE POINT REPAIR GUIDE
8. IF NOT BOOTING WHEN YOU TURN ON THE SET.
8-1. IC501 (MPEG IC)
8-1-1. Solution
Replace IC501 on MAIN board.
8-1-2. How to troubleshoot (Countermeasure)
1) Check physical status of IC501on your eyes.
2) Check 1.2 V of L810, If 1.2 V is abnormal, follow the stage 3-1 at the previous page.
3) Check 1.5 V of L809, If 1.5 V is abnormal, follow the stage 3-1 at the previous page.
4) Check 3.3 V of L811, If 3.3 V is abnormal, follow the stage 6-1 at the previous page.
5) When you followed above step but it doesn’t work, replace the IC501.
8-1-3. Service hint (Any picture / Remark)
< Main board bottom view >
IC501 IC501