LG MDD105 Service Manual page 26

ONE POINT REPAIR INSTRUCTION
When you turn on the set, it will show 'welcome' message continuously on the front
panel. And it will not boot-up normally.
4-3. X100
4-3-1. Solution
Replace X100_9.8304 MHz on main board.
4-3-2. How to troubleshoot (Countermeasure)
1) If 5.6 V normal? Please check D101, D102.
2) Check X100 pin1, 2 voltage is 2.46 V or not replace it.
4-3-3. Service hint (Any picture / Remark)
3-11