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Toshiba 37HL57 Problem

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    #1

    Toshiba 37HL57 Problem

    Hi, i have an older Toshiba 37HL57 37" LCD TV that has a problem with the picture, the picture looks like its lost the white balance the color is duller and turning the contrast up past 50 makes the picture look pixely and like the white is way to bright, also the system menu the light blue highlight is now green, i have tried all the settings no help its kind of hard to explain, i tryed to attach a couple pictures but it wouldnt let me:O, it happened one night my gf was watching tv and the next morning it was all messed up like that, wondering what part if any i would need to replace. Thanks.
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    #2
    Re: Toshiba 37HL57 Problem

    Originally posted by Darkshack View Post
    i tryed to attach a couple pictures but it wouldnt let me
    1) Yes, there is an issue right now with uploading attachments after the server upgrade.

    2) For now, post it somewhere on an external webhosting site. We want picture compositions like so,

    https://www.badcaps.net/forum/showpo...94&postcount=1

    3) Do you have a multimeter and do you know how to measure DC voltage and resistance?
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      #3
      Re: Toshiba 37HL57 Problem

      Ok here are the pictures, one is of the system menu where the highighted "prefrence" is green and is suppose to be blue, the others are of one on cable whre you can see the grainyness by the citywest logo and the guys face has bright skin tones, the last is on an xbox game, the fire you can see the grainy halo image between the fire, all the settings are set to 50 for everything turning it up any more it gets worse. im just trying to figure out what part i may need to fix this, i might be able to borrow a multimeater but havent really used one before so i dont know dc resistance or anything im really new at this. Thanks.
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        #4
        Re: Toshiba 37HL57 Problem

        It could be as simple as one or more of the internal connector is slightly loose. I suggest cleaning and reseating every connector inside the TV.

        I use isopropyl alcohol and let it thoroughly dry before reconnecting everything.
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        Please do not post inline and offsite as they slow down the loading of pages.

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          #5
          Re: Toshiba 37HL57 Problem

          ok i will try that, would i use a qtip to apply the alcohol, and for the pinned connectors would i clean the pins on the bored? i have opened it a few days ago to check the capacitators, i didnt see any problems but there was one on the power supply that was a bit bulged if i took a picture would that help? Thanks.

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            #6
            Re: Toshiba 37HL57 Problem

            Originally posted by Darkshack View Post
            ok i will try that, would i use a qtip to apply the alcohol, and for the pinned connectors would i clean the pins on the bored?
            Yes.

            i have opened it a few days ago to check the capacitators, i didnt see any problems but there was one on the power supply that was a bit bulged if i took a picture would that help? Thanks.
            Yes. Any capacitors that are bulged are automatically bad and it could be causing your problem. Flat capacitors can also be bad and test equipment is required to determine their status.
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            Please do not post inline and offsite as they slow down the loading of pages.

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              #7
              Re: Toshiba 37HL57 Problem

              alright i didnt think a bad cap on a power supply could be related to a screen problem, i thought i just wouldnt power on or keep shutting off at random if it was the power supply, i will take a pic of the cap its a big one, the biggest one on the board i think when i clean the conectors. thanks.

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