Power Problem - LG HT806TGW Service Manual

5. NO POWER PROBLEM
No power problem occurs when you power on the unit.
5-1. Solution
Replace X100, IC105, IC101 on MAIN board.
5-2. How to troubleshoot (Countermeasure)
1) Check X100(Crystal) --> If it does not oscillate, change X100.
2) Check IC105(Reset IC) --> If its output voltage is not more than +2.7 V, change IC105.
3) Check IC101((Micom IC).
--> After Power is ON if the pin63 of IC101 is not 'High', change IC101. But, the new Micom IC need to
write program.
5-3. Service hint (Any picture / Remark)
ONE POINT REPAIR GUIDE
4
IC101
< MAIN board top view >
X100
IC105
2-30