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I have a 50dx018 hitachi projestion tv,,its about 10 yrs old....thought the left speaker was shot on it ,checked it out and had no voltege going to it ,so i jumped it over to the right speaker,,works fine...no problem now is the screen starts to flicker at times now..i can smack the tv afew times and it will clear up..may be fine for a dat or 2 and starts doin it again ,,,,,,,,,,,,im thinkin main board in it..havent tore into it yet

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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techman
  • 3130 Answers

SOURCE: HELP! Fire Hazzard!

It sounds like your focus/screen block, the flyback transformer, or maybe a CRT anode lead is leaking high voltage. This could be a serious problem, or could be a simple one. You should not attempt this repair unless you know all of the high voltage safety issues involved with this TV set. Good Luck

Posted on Jun 20, 2007

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SOURCE: lines in picture

I had this problem around the time my TV was 3 years old. I ended up having to get it repaired at a TV repair place, it cost me $375.

Posted on Nov 28, 2007

ctf1800
  • 4402 Answers

SOURCE: Hitachi 52" picture started jumping or flickering, now doesn't want to stay on whey you power it on it goes right back off?

do you have a model number?

Posted on Jan 08, 2008

ctf1800
  • 4402 Answers

SOURCE: projection tv - Hitachi

sounds like you need to do convergence.

Posted on Feb 21, 2008

roety
  • 585 Answers

SOURCE: tv suddenly started being blurry with red double

You need the convergence ICs replaced they are soldered in so its very technical , a repair shop will charge between $230 and $400 to replace them. you can try the autofocus or manual adjustments, but probably need the ICs and possibly a few resistors too.
(2)STK392-110 or kit # X480293 comes with 2 ICs and some resistors
gd lk
Eric

Posted on Aug 26, 2009

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This sounds like convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually charge between $200-$400 Be sure to vote/rate me if this helped Thanks!
See link for more detail
http://www.ehow.com/how_4575598_yourself-projection-tv-repair-convergence.html

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