3-7
ONE POINT REPAIR GUIDE
NO BOOTING WHEN YOU TURN THE UNIT ON, NO MESSAGE ON VFD
When you turn on your set, it will blank / no message on VFD, and it will not boot-up.
2-3. IC301 (NO 12 V)
2-3-1. Solution
Replace IC301 on MAIN board.
2-3-2. How to troubleshoot (Countermeasure)
1) Please check 12 V of IC301 on MAIN board.
2) If 12 V is abnormal, please check 12.5 VA of IC301 pin2.
3) If 12.5 VA is OK, but 12 V is abnormal at the IC301 pin3 (VOUT) and then replace IC301.
2-3-3. Service hint (Any picture/ Remark)
< MAIN board bottom view >
IC301
(LM37102CGD)
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