Question about Hitachi P50H401 50 in. Plasma HDTV
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Posted on Jan 02, 2017
SOURCE: my 50 inch plasma hitachi
for more info on this set please check out http://www.hometheatershack.com/forums/hitachi/38229-hitachi-p50h401-led-flashes-3-times.html
if will tell you how to trouble shoot this tv. these tv's are known for two caps in the power supply to go bad and they need replaced then you have to test the sdr boards if they are bad you need replacement boards or you can send them off to be repaired. the link for the repair guy is on the page. this guy also sells the repair on ebay but if you contact him directly i beleave the price is lower. just tell him you were send over by home theater shack.
Posted on Feb 22, 2011
Such a god damn joke that Hitashi can sell such a lemon part and know about it. On top of that, not help at all getting the part fixed... I mean honestly? How is that even remotely legal?
Posted on Jun 26, 2009
Hi, you either have a bad Y board or it may actually be adjustable.
Adjusting it would involve opening the back, Most Philips plasma sets use torx 10 screws and a few other sizes on the larger wall mount screws, You will have to lay the set face down on a soft quilt or cushions. Depending on the model some may require a few layers of back be removed. the model with the rear lights is one that requires major disassembly to get access to the Y board. The adjustments are on the Y board left side facing the back , A few tiny controls using a small philips with the TV on, good signal mark the controls position with a sharpy then while watching the picture turn slowly till the picture clears up finding a center postion with the least amount of spots and patches. If unable to adjust it you have either a bad Y board or bad panel (screen) .
Posted on Aug 12, 2009
probably needs new scan drive board along with upper and lower buffer boards. it wont be cheap and its best to have a tv shop do it.
Posted on Aug 30, 2009
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