If the TV goes off completely, then is usually a faulty power board.
If the TV goes in standby, then it is in protection mode.
Ensure also that the fault is not coming from a faulty receiver box sending
bad signal, check if you get same problem on DVD with no receiver box
connected.
Try first leaving the TV power cord unplugged for some times, let say one hour or so.
The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible causes.
1The
internal circuits are jammed because of electrostatic
charges accumulating on capacitors, or because of a wrong voltage read
by the main chip on your monitor controller board. this started the
protection circuit.
2 The protection circuit detected a wrong
voltage or abroken contact, identified an internal fault and kicked in
, starting the flashing light.
If you are in situation one, then the TV will reset just unplugging power cord for one or two hours,sometimes even minutes.
If you are in situation 2 , then there is an internal fault.
If under warranty contact the manufacturer ringing the number on the user manual
If you want to repair at your own expenses, just locate any good qualified repairer.
If you want to DIY you find parts here,
All:
Appliance parts, electronics parts & more from PartStore.comEncompass Parts DistributionLCD/Plasma
Electronic Replacement Parts: Plasma & LCD TVs, Appliances |On Rear Projection : check lamp, lamp ballast, power board, and convergence.
I am having the same problem. Mine has flashed for hours. I finally unplugged the TV and everytime i plug it back in, the green light is still flashing. This has been for over a week.
Having the same problem. TV won't turn on - green light still blinking. Started for short periods of time (couple of hours) and progressed into days and now it has been weeks.
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