Question about Hitachi Projection Televisions

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I have a Hitachi Plasma TV model number H/55PD8800TAKIT It has stopped displaying the picture but there is sound. There appears to be no static tension coming from the screen when you swipe your hand across it.

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  • dunbargs Oct 16, 2008

    If the problem is with the power supply PCB, is there a fuse that would be related to this power supply that may need to be replaced, and if so where is it located in the TV. If there is no fuse, does the entire PCB power supply need to be replaced and if so where can these be purchased?

  • dunbargs Oct 17, 2008

    This solution looks like a post from another problem and doesn't answer my question in regard to the fuse.

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These sets have circuits to detect internal problems and these circuits will shutdown the set or prevent it from coming on completely in order to prevent further damage. It is unclear whether or not there is a power problem. If this set is not under warranty, open up the back and look for capacitors that have bulging tops. That is one possible indication of a problem. There is no "fuse" that will fix this. Since the power supply is a "switch mode" type, there are a number of reasons for part of it to not function. This is not an easy problem to diagnose remotely.I would suggest that you request service on this. I don't have a listing for the model you posted, so I can only give you general information.

Keep us posted.
Dan

Posted on Oct 17, 2008

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The problem is in the video processing board and only qualified sevice centers can get the parts , these new chips have new designs that aren't available to the public

Posted on Oct 16, 2008

  • jason Oct 16, 2008

    also commonly the plasma screens go and need replaced or with the warranty they have been replacing the tv with another model

  • jason Oct 17, 2008

    this is NOT a power problem , I fix these plasma's all the time and the video processing board or the plasma screen itself has failed and only qualified electronic repair shops can get these parts! even if you call them up they will tell you to take it to a service shop because they don't want people in the sets that do not know what they are doing. if it were a power problem you wouldn't have sound or the LED in front would not be on. and if a fuse blew for the video processing board then there is something wrong with the processing board.

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There are two power source on the TV's circuit. One is power supply for sound and the other one is power supply for the video. It seems like there's a broken/burned electronic component on the video power supply, normally its just a capacitor. However, uou may need to visually check the circuit board to identify which other part is totally defective or burned. If you can't do it by yourself, just bring your unit to a qualified electronic technician or to any nearest appliance service center.

Posted on Oct 16, 2008

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The voltage not going to ur video card board check that..

Posted on Oct 15, 2008

  • 1 more comment 
  • mohammed marika thambi
    mohammed marika thambi Oct 16, 2008

    pull the light assy to get the fuse out. No big deal though, just 2 screws. Need a long screwdriver.


  • mohammed marika thambi
    mohammed marika thambi Oct 16, 2008

    just use this link


    http://electronics.justanswer.com/questi...

  • mohammed marika thambi
    mohammed marika thambi Oct 16, 2008

    www.fixmyplasma.co.uk/epages/Store3_Shop2248.sf/en_GB/?ObjectPath=/Shops/Store3.Shop2248/Categories/... - 81k
    call this no

    0800 756 9599


    on and off switch located

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Sounds like you may have a high voltage arc and / or leak . better to let a manufacturers qualified technician have a look at it this time . ask for an estimate after diagnosis and before repairs are made. factor age plus repair cost v/s a replacement tv . also in the area where i live most in shop repair estimates are cheap or even free . field repair estimates are definitely not . all tv parts can be replaced but, screen replacements can get expensive . barring neglect , abuse or a significant power surge you should not be having these problems on a tv so new. double check your warranty. most electronics come with 1 year on parts ,90 days on service. some warranty limitations are not allowed in certain states. also contact the manufacturer . in my expierence some of the better companies have honored an expired warranty partlialy and sometimes even fully on a relatively new product . after all they do have reputation to lose or keep . just be courteous and if your lucky they will be too. but if all else fails, i personaly prefer lcd flatscreen . oh , about the screen crack , clean and position your tv according to the owners manual . some of todays televison components are even more thermaly and chemicaly sensitive than ever . ie; window cleaner can whiten or even crack certain types plastics. finaly if you are not using a good surge protector now may be the time.

Posted on Oct 15, 2008

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  • 171 Answers

The problem is with your power supply PCB

Posted on Oct 15, 2008

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