LG S62T1-C Service Manual page 88

2. NO BOOTING WHEN YOU TURN THE UNIT ON, NO MESSAGE OR
"PLEASE WAIT" ON FRONT PANEL
When you turn on your set, it will blank / no message or "PLEASE WAIT" display on front panel, and
it will not boot-up.
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.
Please check 3.3 V.
Please check 1.5 V.
Please check RESET# (IC101 pin73).
2) If it doesn't work even though 1.2 V / 1.5 V / 3.3 V power and RESET# are no problem, IC501 MT8560
could have problem.
3) If RESET# isn't high, you may need to replace IC101.
4) 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)
IC501
IC504
IC503
< MAIN board bottom view >
ONE POINT REPAIR GUIDE
IC502
2-75
IC101
R153 RESET#
< MAIN board top view >