LG S92T2-C Service Manual page 49

When you turn on your set, it will display "WELCOME" on front panel, and it will not boot-up normally.
2-8. IC501 (MPEG IC)
2-8-1. Solution
Replace IC501 on MAIN board.
2-8-2. How to troubleshoot (Countermeasure)
1) Please check 1.2 V of C595 on MAIN board.
Please check 3.3 V of C580 on MAIN board.
Please check 1.5 V of C525 on MAIN board.
2) If it doesn't work even though IC150, IC151, IC155 are no problem,
IC501 MT8560 could have problem.
3) After changing it, if the set is still no booting, check MAIN board refer to item 2-9.
2-8-3. Service hint (Any picture / Remark)
C525
(1.5 V)
ONE POINT REPAIR GUIDE
C580
(3.3 V)
< MAIN board top view >
C595
(1.2 V)
< MAIN board bottom view >
2-36
IC501