3-33
ONE POINT REPAIR GUIDE
NO BOOTING WHEN YOU TURN THE UNIT ON
When you turn on your set, it will blank/ no displaying Main Menu on Television/ Monitor,
and it will not boot-up.
3-5. X501
3-5-1. Solution
Replace X501 on main board.
3-5-2. How to troubleshoot (Countermeasure)
1) Please check the soldering status of 27 MHz crystal (X501).
2) Please check the frequency of 27 MHz crystal (X501).
3) If the crystal doesn’t oscillate, replace X501.
4) After changing it, if the set is still not booting:
- Check NAND flash IC (IC602) refer to item 3-6.
- Check DDR IC (IC601) refer to item 3-7.
- Check MPEG IC (IC501) refer to item 3-8.
3-5-3. Service hint (Any picture / Remark)
X501
< Main board top view >
X 501
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