Panasonic TH-50LFE7U - No Power; No Picture

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TH-50LFE7U/TH-50LFE7W/TH-50LFE7E
6.2. No Power
First check point
There are following 3 states of No Power indication by power LED.
1. No lit.
2. Green is lit then turns red blinking a few seconds later.
3. Only red is lit.
6.3. No Picture