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Hitachi 32LD6600B strange picture

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    #21
    Re: Hitachi 32LD6600B strange picture

    Hi,
    i also have a vestel 32" lcd tv. i saw that this hitachi tv has the same parts with my tv so, i have a problem like that. my tv is working sound is coming but no screen mean there are only some vertical and colored lines on black screen. so what can i do for it ?
    Attached Files

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      #22
      Re: Hitachi 32LD6600B strange picture

      Hello, I changed the cap which appeared to be bad but no difference. I am not sure what to change, the main board or T-con. Any suggestions?? Just to add that the fault with the picture is all to the right hand side which isn't apparent in the pic I posted.

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        #23
        Re: Hitachi 32LD6600B strange picture

        Check the voltage regulator on the t-con board. I would swap the t-con board.
        Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
        For service manual, schematic, boardview (board view), datasheet, cad - use our search.

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          #24
          Re: Hitachi 32LD6600B strange picture

          Originally posted by tom66 View Post
          Check the voltage regulator on the t-con board. I would swap the t-con board.
          Thanks for your help. How to I check the voltage regulator??

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            #25
            Re: Hitachi 32LD6600B strange picture

            With the switch on your meter to DCvolts put black probe on ground (metal on back of tv) and red on each of the 3 leads of the voltage regulator and report the readings back here. There appear to be 3 regulators all on the lower left side of your TCon board. They have 3 legs and a flat metal tab at the top. The tab and the middle leg are connected together. The body is black plastic. Also did you change the caps circled in blue or just the green cap? You should have changed all of them that you circled. Also did you use good brand (panasonic etc.) and low esr caps?
            Last edited by killian6pk; 10-22-2013, 04:28 PM.
            Have you ever stopped to think and then forget to start thinking again?

            As a very wise man once said on this forum: "Of all the things I have lost I miss my mind the most."

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              #26
              Re: Hitachi 32LD6600B strange picture

              Originally posted by tom66 View Post
              Check the voltage regulator on the t-con board. I would swap the t-con board.
              Which one is the voltage regulator on my t-con board. can you show me on the picture.
              Attached Files

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                #27
                Re: Hitachi 32LD6600B strange picture

                Originally posted by killian6pk View Post
                With the switch on your meter to DCvolts put black probe on ground (metal on back of tv) and red on each of the 3 leads of the voltage regulator and report the readings back here. There appear to be 3 regulators all on the lower left side of your TCon board. They have 3 legs and a flat metal tab at the top. The tab and the middle leg are connected together. The body is black plastic. Also did you change the caps circled in blue or just the green cap? You should have changed all of them that you circled. Also did you use good brand (panasonic etc.) and low esr caps?
                I will check the regulators. Also i will admit i only changed the 1 off green cap. I got the cap from Maplin electronics not sure who the manufacturer is. I guess i should change the other caps before trying anything else???

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