3-7
ONE POINT REPAIR GUIDE
NO BOOTING WHEN YOU TURN THE UNIT ON, NO MESSAGE OR
“HELLO” ON FRONT PANEL
When you turn on your set, it will blank / no message on front panel, and stand-by LED doesn’t work.
1-3. LCD System power 5 V, 3.3 VA (No 5 V, 3.3 VA)
1-3-1. Solution
Replace MAIN/ FRONT board.
1-3-2. How to troubleshoot (Countermeasure)
1) Please check CNF01 3.3 VA, 5 V of CNF01 pin6, pin7.
2) If 3.3 VA, 5 V is abnormal, replace MAIN board.
3) If 3.3 VA, 5 V OK, replace FRONT board.
1-3-3. Service hint (Any picture / Remark)
< FRONT board bottom view >
3.3 VA
5 V
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