Question about Hitachi 50UX26B/27K 50" Rear Projection Television

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Hitachi 50UX26B/27K 50 in.... Problem

None of the green LEDS light. All the fuses in powersupply (f902, f903, f905 and f906) are good. only D975 comes on. it blinks 3-5 times and then stays on. If I short G and K of Q903 then D975 blinks continuously. I don't see anything in the servicemanual trouble shooting that references these symptoms. What next..

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  • papamotts Sep 25, 2008

    Big Irish, A big thanks, from an old Air Force Techie... I replaced all three components. Set is working perfectly. Again Thanks.

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  • Master
  • 927 Answers

Good Day, papamotts;
Won't turn check Q912, Q914 & I901. No relay click check Q003. Good Luck, big IRISH.

Posted on Sep 06, 2008

  • MICHAEL MULLINS Sep 25, 2008

    Good Day;



    I should thank YOU for serving.



    BIG THANKS,



    IRISH.

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Good Day;

Sounds like the Convergence Circuit in the TV has failed. Call an Authorized Service Center and have them come out and give you a wtitten estimate B4 repair.

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Good Day, arods107;

The Hitachi TV is an easy TV to trouble shoot, but one needs to remove the back from the TV and observe the LED's (green lights).
The problem you stated could be many things wrong with the TV, but you must observe the LED's. If you want to do this yourself please observe lights and tell me what lights don't light. There is about 9 LED's (green lights). Next to each LED there an symbol number like D975 etc.
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Good luck, big IRISH. ps Come to this sight or e me @ mmrkcar@yahoo.com.

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Hitachi has LED’s, green ‘lights’ and a red light to determine what circuit may be the problem; after removing the back of TV, bottom only, plug TV back in and observe which LED’s come on …..BUT most important which LED’s don’t come on; locate and note number, EG; DP37 and etc.

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Good day, 1gary;

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