LG LAS751M - Hdmi Function Doesnt Working

2-20
ONE POINT REPAIR GUIDE
19. HDMI FUNCTION DOESN’T WORKING
19-1. IC501
19-1-1. Solution
Replace IC501 on MAIN board.(This chip is so hard to change IC, so we recommend to change PCB.)
19-1-2. How to troubleshoot (Countermeasure)
1) Check HDMI_5VA of L800.
2) If It is abnormal, check 5.3 VA of IC306 pin1.
 If it is OK, replace the IC306.
 If it is weird, follow the stage 2-1 (IC308).
3) If it still doesn’t work, follow the stage 12-1 (IC501).
19-1-3. Service hint (Any picture / Remark)
< MAIN board top view >
CN801
CN801
CN800
CN800