LG HT806TGW Service Manual page 45

9. NO BOOTING
When you turn on your set, it will display "Hello" or "Please wait" message continuously on front
panel, and it will not boot-up normally.
9-1. Solution
Replace X500 on MAIN board.
9-2. 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, replace MAIN Board.
9-3. Service hint (Any picture / Remark)
ONE POINT REPAIR GUIDE
X500
< MAIN board top view >
2-34