2-5
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.
2-2. IC308 System 3.3 VA (No 3.3 VA)
2-2-1. Solution
Replace IC308 on MAIN board.
2-2-2. How to troubleshoot (Countermeasure)
1) Please check 3.7 VA of IC308 pin3 (VIN).
2) If 3.7 VA is abnormal, please check IC305 pin1 (VOUT).
3) If 3.7 VA is OK, but 3.3 VA is abnormal at the IC308 pin6 (VOUT), replace IC308.
2-2-3. Service hint (Any picture / Remark)
< MAIN board top view >
IC308
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