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Element FLX-3210 Won't Turn On

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    #1

    Element FLX-3210 Won't Turn On

    I picked this Element FLX-3210 up last weekend. It wouldn't power on. The LED is red when plugged in and should turn blue when the set comes on. When I opened it up, there were two bulged 450uf 10V capacitors. I bought new ones and installed them last night. Here's my dilema.

    This set has touch buttons across the front of the bezel. They're not typical push buttons. There's no physical confirmation that the button has been pushed. I can't tell if the power supply still won't come on , if the button board is not working correctly, or if I'm just doing it wrong.

    I'll post pictures of the power supply connectors in a little while. Maybe one of you can help me force this thing on.
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    #2
    Re: Element FLX-3210 Won't Turn On

    Those caps normally cause a failure to light the backlight or flickering of the backlight.
    The problem is probably elsewhere on the PSU. These are also notorious for diodes shorting on the 5V standby and 5V main rails.
    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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      #3
      Re: Element FLX-3210 Won't Turn On

      My PSU seems to be working. I see the 24V and the 5Vstb, I also measure 400V across the big cap. Would a shorted diode allow the PSU to work at all? I'm heading home in about 20 minutes. I'll post all pin labels and voltages soon.

      Comment

        #4
        Re: Element FLX-3210 Won't Turn On

        It would cause no power on the appropriate output and any other outputs it is associated with (on same transformer), you may be looking at main board fault.
        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.

        Comment

          #5
          Re: Element FLX-3210 Won't Turn On

          So, I wasn't able to get pictures, but I did confirm that all voltages are present. I'll focus on the mainboard for now.

          Comment

            #6
            Re: Element FLX-3210 Won't Turn On

            Question for Tom really - could a diode fail in some way but not go short and somehow trick the PFC to start up giving him 400v at plug in rather than switch on.
            Please upload pictures using attachment function when ask for help on the repair
            http://www.badcaps.net/forum/showthread.php?t=39740

            Comment

              #7
              Re: Element FLX-3210 Won't Turn On

              Diodes almost always fail short.
              In rare cases they can fail leaky.

              I can't think of a secondary diode causing a problem with PFC.
              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.

              Comment

                #8
                Re: Element FLX-3210 Won't Turn On

                Originally posted by johnboy1313 View Post
                I picked this Element FLX-3210 up last weekend. It wouldn't power on. The LED is red when plugged in and should turn blue when the set comes on. When I opened it up, there were two bulged 450uf 10V capacitors. I bought new ones and installed them last night. Here's my dilema.

                This set has touch buttons across the front of the bezel. They're not typical push buttons. There's no physical confirmation that the button has been pushed. I can't tell if the power supply still won't come on , if the button board is not working correctly, or if I'm just doing it wrong.

                I'll post pictures of the power supply connectors in a little while. Maybe one of you can help me force this thing on.
                Hey, I have the other post on the same tv. It usually takes me a couple tries but I just push on the power button and the standby light goes from red to blue. Why not try your remote?

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                  #9
                  Re: Element FLX-3210 Won't Turn On

                  No remote.

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                    #10
                    Re: Element FLX-3210 Won't Turn On

                    I bought a used main board via eBay. I put it in and the set would power on for a second, the LED would change from red to blue, V across the big cap would go from 169 to 390, and the outputs from the PSU would appear. Then after a second, the LED shut off completely before retuning to red and the PSU shut off again. I returned the board and will likely part this one out. A 6 year old, 32" Element TV without a remote is not worth the cash to justify getting this one working.

                    Comment

                      #11
                      Re: Element FLX-3210 Won't Turn On

                      I am having the same issue with a FLX-3210. I have checked voltages on the output connectors. I see all of the voltages. The 12 volt output is only about 10.8 volts but all others are correct. I don't know the history of the set. I was wondering if there is a way to check to make sure the power button is working? Also this maybe one with the VGA issue. Is there a way to check to see if the VGA caused problems? Also is there a way to force the power supply on? Thanks guys for any help.

                      Comment

                        #12
                        Re: Element FLX-3210 Won't Turn On

                        Me again Also I just checked voltage at the large capacitor before touching power button =296 volts. After touching power button no difference. I am not sure that this is being told to turn on. Once again thanks and hope everyone has a great day.

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