Question about Hitachi 51F510 51" Rear Projection HDTV-Ready Television

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Daewoo IRT20A5T Tv comes on and off without stabilizing

When the tv is powered, the power recycles between on and off without stabilizing. I suspected the flyback transformer because it is producing a spark ,but changing it does not solve the problem.I have traced for any posssible short cct,but have not seen any.Please i need a solution!

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It looks like the spark you hear is comming from one of the high voltage anode connection on one of the CTRs, It could be leaking coolant fluid or just have some moisture around it.

Posted on Mar 06, 2008

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Posted on Jan 02, 2017

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Ln52a550p3fxza wont start cycles on and off


The problem could be temperature related. I replaced both my processor board as well as the power supply board and the problem is still there BUT I found a VERY simple solution that just requires me to keep the TV on all the time. When the TV is at room temperature, it literally takes 10-15 minutes for the system to stabilize and provide a good picture and audio. When my basement was at 55° for a few days, it took over 1 hr for the TV to stabilize. I now switch the input to my Roku player input and leave the TV on all the time. The Roku screensaver kicks in and all is fine with the world. No more issues with the TV not working. It adds to my electric bill but it is cheaper than replacing another board. When the TV dies, I'll get a replacement TV.

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1 Answer

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If youe tech inclined you can open the unit and see if the fuse is blown if you are uncomfertable on doing that then your going to need to take it into a repair shop.

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If you own a multimeter and want to try to locate the failure, post back to this thread and I will give you some guidance.   

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1 Answer

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