LG LHB976 Service Manual page 101

MAIN SET ONE POINT REPAIR GUIDE
When you turn on your set, it will display "PLEASE WAIT" on front panel, and it will not boot-up
normally.
1-3-6. IC506 (NAND FLASH MEMORY)
1-3-6-1. Solution
Replace IC506 on MAIN board.
1-3-6-2. How to troubleshoot (Countermeasure)
1) Please check physical status of IC506 on your eyes.
2) Check the Vcc (3.3 V) of IC506 and if it's normal, please replace IC506.
(Please make sure IC506 has proper program.)
3) After changing it, if the set is still not booting:
- Check DDR IC (IC502, IC503) refer to item 1-3-7.
- Check BCM7633 IC (IC500) refer to item 1-3-8.
1-3-6-3. Service hint (Any picture / Remark)
IC506
< MAIN board top view >
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