Question about Hitachi 36CX39B 36" TV

3 Answers

Hi: I have a Hitachi TV set Model 36CX39B that when i push the power button or remote ON, i can hear the usual click indicating that it has turn ON, but in about 3 second before i can see the image, it turn itself back OFF, to repeat this event i have to disconnect the AC cord and plug it back again, but i still can,t see no image. Thank you for your help. Harry Perez

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  • hperez4 Nov 09, 2010

    Hi, as a matter of fact i am a licence electritian, and for me this is a challenge, please send me information of this power supply part number and any other part needed to fix this problem, if it,s to expensive then i will decide to get another TV set, at least i give it a try, also i need to know where can i purchase these parts, i am from San Juan Puerto Rico, or maybe you can tell me more or less how much money are we talking about.



    Thank you, Harry Perez

  • hperez4 Nov 10, 2010

    Tim: I appreciate your help, let me know when you find something. Have a nice day.

    Harry

  • hperez4 Nov 12, 2010

    Hi: I have a Hitachi
    Problem with the Hitachi 36CX39B 36" TV
    Hi: I have a Hitachi TV set Model 36CX39B that when i push the power button or remote ON, i can hear the usual click indicating that it has turn ON, but in about 3 second before i can see the image, it turn itself back OFF, to repeat this event i have to disconnect the AC cord and plug it back again, but i still can,t see no image. Thank you for your help. Harry Perez

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3 Answers

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  • Hitachi Master
  • 6,993 Answers

Hello,

your TV is having a power problem. The power supply board is defective that's why the TV won't power up. Its receiving power but it cannot transfer the current to the necessary part of the TV because a capacitor, diode, etc may have been faulty. Until these bad components are replaced, the TV might not come on.

If you know about TV repairers, I would suggest that you open the TV and read the power board/panel with a meter, detect the bad component and replace it. Take note that TV stores a lot of current that can shock, so leave the TV for a while before you open it.

If you don't know about TV repairers, take the TV to the nearest repairman to fix the fault for you.

I wish you good luck.

Posted on Nov 12, 2010

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  • Master
  • 1,622 Answers

Hi
A common problem for these is bad capacitors in the power supply, Remove the back from your Tv and look at the power supply on the left hand side.

You will see roughly around 9 x capacitors that are bulged / domed shaped on top usually these are valued at 3300uf 10V any that have bulged or leaked a brown like substance should be changed.
This will cure the problem as they overheat being sat next to a heatsink that gets very hot!
Try and change them for the same 3300uf but a higher voltage.
Hope this help in solving the problem . take care...

Posted on Nov 10, 2010

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  • Master
  • 2,777 Answers

Sounds like a failed or at least failing power supply / power board inside the TV. Unfortunately this is a very difficult repair, and unless you are an electrician I would not recommend attempting it. You will want to contact a local TV repair person in your area if you want to actually fix this tv. This is actually the most common problem with this type of TV, I see it every day, it just happens - sometimes with new TVs and sometimes it takes many years for it to happen.


If you want to attempt the repair yourself please let me know and I will get you the part number and a place you can purchase it from for what you need. If you want to find a local repair person I can help you with that as well, just reply to my answer here and let me know your zip code. Although with a TV of this age and size it is probably not worth repairing honestly, it will cost as much as a new TV to do the repair.

So sorry that I don't have better news but it is definitely a power issue internally.

Thanks, let me know if you have any questions or concerns, just reply to my answer here and I will be right back with you.

Tim

Posted on Nov 09, 2010

  • Tim Grayson
    Tim Grayson Nov 09, 2010

    It will be difficult to find them in Puerto Rico but I can find out if it's possible.

    Tim

  • Tim Grayson
    Tim Grayson Nov 10, 2010

    There appears to be nowhere in Puerto Rico that sells these parts and they are not available online.

    I am sorry about that.
    Tim

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