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TV on/off button keeps blinking/TV won't turn on

I have the same problem, started yesterday. TV shut off by itself and the on/off button started blinking. When I unplug it it trys to go on but shuts off agan. Model# 61H70.
Does anyone have any suggestions on how to fix this, sounds like its a common problem?! HELPPP! :(

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  • 15 Answers

Try muting the sound on the tv, if it is a loose circuit the sound vibration can jiggle a connection and cause the tv to turn off as apart of its safety feature.

if the tv functions correctly while in mute then you now know it is a loose circuit.

if the tv continues to turn off even while in mute it is shutting down by the main power stand by safety feature, it may need a new main transformer.

if the muted sound solved the problem then unplug the tv and look in the back for the main transformer, the manufacturer usually places the main board on the box of the main speaker, the speaker could be vibrating a circuit loose from direct contact, the main transformer is heavy and would cause issues over the long run with high fadelity sound systems on big screen tv's. check solder points on main board.

Posted on Oct 04, 2009

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