2-74
ONE POINT REPAIR GUIDE
2. NO BOOTING WHEN YOU TURN THE UNIT ON, NO MESSAGE OR
“PLEASE WAIT” ON FRONT PANEL
When you turn on your set, it will blank / no message or “PLEASE WAIT” display on front panel, and
it will not boot-up.
2-7. IC502, IC503 (DDR3 MEMORY)
2-7-1. Solution
Replace IC502, IC503 on MAIN board.
2-7-2. How to troubleshoot (Countermeasure)
1) Please check 0.75 V of DDR3_VREF (C545).
Please check 1.5 V of C523.
2) If it doesn’t work even though IC150, IC155, IC151, IC101 are no problem,
IC502, IC503 (DDR memory) could have problem.
3) After changing it, if the set is still not booting :
- Check MT8560 IC (IC501) refer to item 2-8.
- Check MAIN board refer to item 2-9.
2-7-3. Service hint (Any picture / Remark)
< MAIN board bottom view >
< MAIN board top view >
IC501
IC502
IC503
IC504
DDR3_VREF
C545
C523
To Next Page
Loading...
Need help?
General
