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Hi Angela,
The backlight system of your TV has failed. Mostly it is the inverter part inside the TV which makes necessary power for the backlights fails. The power/inverter board needs to be repaired or replaced.
Sounds like the power supply has failed. If it is still under warranty contact the manufacturer for repair, or if you purchased an extended warranty through the retail outlet then contact them.
Plasma and LCD TV sets are prone to having capacitors in the power supply section fail. This is the most likely cause for the probem you describe. When capacitors fail your will commonly see one or more of the following symptoms.
Plasma and LCD TV sets are prone to having capacitors in the power supply section fail. This is the most likely cause for the probem you describe. When capacitors fail your will commonly see one or more of the following symptoms.
This is almost certainly the device that sends electricity to the the plasma in the panel after failing. Bring to your local repair shop and expect to pay 300-400 parts and 100-200 labour.
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