LG LHD625 Service Manual page 43

When you turn on your set, it will display "WELCOME" on front panel, and it will not boot-up normally.
2-3. X500
2-3-1. Solution
Replace X500 on MAIN board.
2-3-2. How to troubleshoot (Countermeasure)
1) Please check the soldering status of 27 MHz crystal (X500).
2) Please check the frequency of 27 MHz crystal (X500).
3) If the crystal doesn't oscillate, replace X500.
4) After changing it, if the set is still not booting :
- Check Serial Flash IC (IC504) refer to item 2-4.
- Check SDRAM IC (IC503) refer to item 2-5.
- Check MT1389 IC (IC500) refer to item 2-6.
2-3-3. Service hint (Any picture / Remark)
ONE POINT REPAIR GUIDE
< MAIN board top view >
X500 X500
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