Panasonic TH-37PV60E - No Power

8.2. 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.
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TH-37PV60E / TH-37PX60B / TH-42PV60E / TH-42PX60B