: If the indicator light is on but the TV won't power up, a firmware re-flash is a common second step after checking voltage levels. Critical Warnings
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Check if the power Check power on the TV board. board is OK? N Y. Repair or change Check the LD6 and ED1. the power board. for 5V? TP.MT5510S.PB803 Power Troubleshooting Guide | PDF - Scribd : If the indicator light is on but