Question about Hitachi 53UDX10B 53" Rear Projection Television

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TV has dim picture

Hi, I was given a Hitachi 50UX22BA. It has a very dim/dark/shadowy picture. However, if I stand in front of it, at just the right angle, I can see a picture through the middle. Although the picture is grainy and saturated with strange color. Could this be the convergence problem that many of the Hitachi have? Also the sound and the remote is not working. Not sure if it is related. By the way, I checked for any bad or bulging caps, but all look good.

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Re: TV has dim picture

Well excuse me but if you got the esquematic lets analyse this problem, first we got signal(you can see the picture) if got picture the sound signal is there (they tavel both the same way audio in a sub)then we got swept both vertical & horizontal (you see the picture) what we dont have? asignal amp,(thats the snow) good control of the 3 canyon so thats a comun problem for all 3 canyon, then we have to check for voltage reading in video amplifire it are not working ok and check for a leak capacitor in coupling circuit in the amp circuit what else ? did I over pass something? hope help you ...good luck... post back

Posted on Aug 08, 2006

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Re: TV has dim picture

The picture tubes are weak or there is a problem in the power supply. you may not see a bad capacitor as all caps do not swell or leak when they go bad, If you have no TV experience, A TV set is not a place to experiment with.

Posted on Aug 07, 2006

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Most shops charge 300 or more for this type of repair---I just returned home from a set with this type of problem---in home total repair 250 total---If you cannot do the repair I suggest you shop around and find someone who can do it in your home---any good repair person can do this in about 1 hour---I am getting ready right now to do another one near where I live.



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A good tech (like me) can make it like new! Look in yellow pages for a BBB certified Hitichi Proj TV Repairman or ask your church to name one.

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Make really sure before you sttart this process that the Tv has been unplugged for several hours and that you discharge the crt as you remove the anode. There is some extremely high voltage present for hours after the Tv has been off...
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