capacitor with no esr value

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  • 1supertech
    Badcaps Veteran
    • Apr 2012
    • 384
    • USA

    #21
    Re: capacitor with no esr value

    Originally posted by 1supertech
    Update on my original post. I received my 47uf 50v cap and installed it, very encouraging when I saw the display light up now to put it back together and hook it up to my satellite. hope it works.
    New update all hooked up all I get is white screen I assume that's the back light. Well I think that's an improvement so far. any more Ideas would be appreciated.

    Comment

    • tom66
      EVs Rule
      • Apr 2011
      • 32560
      • UK

      #22
      Re: capacitor with no esr value

      Originally posted by 1supertech
      New update all hooked up all I get is white screen I assume that's the back light. Well I think that's an improvement so far. any more Ideas would be appreciated.
      Check the cable from main board to T-con is properly seated.
      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

      • 1supertech
        Badcaps Veteran
        • Apr 2012
        • 384
        • USA

        #23
        Re: capacitor with no esr value

        Originally posted by tom66
        Check the cable from main board to T-con is properly seated.
        As I re seated tcon cable and re assembled all the wires I turned it on and nothing no display untill I unplugged a cable form power supply to mainboard
        here is a picture. Ihave no Idea where to check for know help.
        Attached Files
        Last edited by 1supertech; 06-01-2012, 03:08 PM.

        Comment

        • tom66
          EVs Rule
          • Apr 2011
          • 32560
          • UK

          #24
          Re: capacitor with no esr value

          Do you have a multimeter? I assume since you have an ESR meter you will have one... Check the voltage on each of the pins going to the main board. I think this is a Harwa chassis - the wall mount bracket looks familiar.
          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

          • 1supertech
            Badcaps Veteran
            • Apr 2012
            • 384
            • USA

            #25
            Re: capacitor with no esr value

            Originally posted by tom66
            Do you have a multimeter? I assume since you have an ESR meter you will have one... Check the voltage on each of the pins going to the main board. I think this is a Harwa chassis - the wall mount bracket looks familiar.
            When checking voltage I am a real newbee can you explain how? to do so


            Thanks Jack

            Comment

            • tom66
              EVs Rule
              • Apr 2011
              • 32560
              • UK

              #26
              Re: capacitor with no esr value

              Originally posted by 1supertech
              When checking voltage I am a real newbee can you explain how? to do so


              Thanks Jack
              Place the black probe in a spare screw hole of the chassis, this is your ground.

              The red probe then goes on each voltage you want to measure. For the pins, you can apply a small amount of pressure to make contact with the metal surround in the connector.

              Set your meter to DC 20V, if it is manually ranging. If it is autoranging, use volts or DC volts, whichever is available.

              Repeat for each pin, noting down the voltage... don't round down report the exact value. If they fluctuate or change note this.
              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

              • 1supertech
                Badcaps Veteran
                • Apr 2012
                • 384
                • USA

                #27
                Re: capacitor with no esr value

                Originally posted by tom66
                Place the black probe in a spare screw hole of the chassis, this is your ground.

                The red probe then goes on each voltage you want to measure. For the pins, you can apply a small amount of pressure to make contact with the metal surround in the connector.

                Set your meter to DC 20V, if it is manually ranging. If it is autoranging, use volts or DC volts, whichever is available.

                Repeat for each pin, noting down the voltage... don't round down report the exact value. If they fluctuate or change note this.
                Is this with power plugged in to wall ?
                Now am I checking voltage with wires plugged in power supply and to main board ? I am checking voltage on the mainboard side.
                Last edited by 1supertech; 06-01-2012, 04:32 PM.

                Comment

                • tom66
                  EVs Rule
                  • Apr 2011
                  • 32560
                  • UK

                  #28
                  Re: capacitor with no esr value

                  Originally posted by 1supertech
                  Is this with power plugged in to wall ?
                  Yep. Be careful not to touch any of the heatsinks on the power supply. In the US, they can be at half supply voltage, or about 60VAC, which can give a nasty tingle.
                  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

                  • 1supertech
                    Badcaps Veteran
                    • Apr 2012
                    • 384
                    • USA

                    #29
                    Re: capacitor with no esr value

                    from bottom up pin3) 019.0
                    2)3.212
                    1) 000.4
                    Attached Files

                    Comment

                    • 1supertech
                      Badcaps Veteran
                      • Apr 2012
                      • 384
                      • USA

                      #30
                      Re: capacitor with no esr value

                      I decided to take a second volt reading form out of powersupply
                      pin 3)005.7
                      pin 2) 3.196
                      pin 1) 0441
                      Attached Files
                      Last edited by 1supertech; 06-02-2012, 11:22 AM.

                      Comment

                      • 1supertech
                        Badcaps Veteran
                        • Apr 2012
                        • 384
                        • USA

                        #31
                        Re: capacitor with no esr value

                        Originally posted by 1supertech
                        Here is a photo cap goes where the red mark is
                        Have a short circuit in wiring, if some on can follow this thread and help
                        me out I would greatly appreciate it

                        I have voltage reading with images

                        thanks

                        Comment

                        • tom66
                          EVs Rule
                          • Apr 2011
                          • 32560
                          • UK

                          #32
                          Re: capacitor with no esr value

                          Does the power supply have any labelling near the connector indicating that is 3.3V output or something else? Are there any more outputs?
                          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

                          • 1supertech
                            Badcaps Veteran
                            • Apr 2012
                            • 384
                            • USA

                            #33
                            Re: capacitor with no esr value

                            Originally posted by tom66
                            Does the power supply have any labelling near the connector indicating that is 3.3V output or something else? Are there any more outputs?
                            No but here is a pic of connectors
                            Attached Files

                            Comment

                            • 1supertech
                              Badcaps Veteran
                              • Apr 2012
                              • 384
                              • USA

                              #34
                              Re: capacitor with no esr value

                              checking voltage form power supply at the problem connection starting at the top
                              I get

                              0.431
                              3.044
                              0.161

                              At the mainboard I get
                              004.5
                              3.288
                              005.0

                              I am assuming if a connection gets current from both ends that would be a short
                              Attached Files

                              Comment

                              • tom66
                                EVs Rule
                                • Apr 2011
                                • 32560
                                • UK

                                #35
                                Re: capacitor with no esr value

                                What does 24V measure at?
                                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

                                • 1supertech
                                  Badcaps Veteran
                                  • Apr 2012
                                  • 384
                                  • USA

                                  #36
                                  Re: capacitor with no esr value

                                  Originally posted by tom66
                                  What does 24V measure at?
                                  QUOTE=tom66;242733]What does 24V measure at?[/QUOTE]

                                  First connector from right

                                  012.3
                                  012.3
                                  012.3
                                  23.36
                                  23.36

                                  second connector

                                  23.37
                                  23.37
                                  23.37
                                  01.08
                                  011.4
                                  011.9
                                  011.4
                                  011.3
                                  3.041
                                  04.31

                                  Third
                                  32.66
                                  010.1
                                  3.280
                                  010.3
                                  010.5
                                  11.59
                                  11.59
                                  010.08
                                  05.19
                                  010.7
                                  08.96
                                  Last edited by 1supertech; 06-06-2012, 01:02 PM.

                                  Comment

                                  • 1supertech
                                    Badcaps Veteran
                                    • Apr 2012
                                    • 384
                                    • USA

                                    #37
                                    Re: capacitor with no esr value

                                    I have a feeling that main board has a short I have checked all caps and they have good Esr values about .25 ohms

                                    Fuses on power supply test good all caps are good

                                    I have no idea what else to check

                                    Thanks
                                    Last edited by 1supertech; 06-08-2012, 11:36 AM.

                                    Comment

                                    • 1supertech
                                      Badcaps Veteran
                                      • Apr 2012
                                      • 384
                                      • USA

                                      #38
                                      Re: capacitor with no esr value

                                      Thought I would uplaod larger pics

                                      Comment

                                      • 1supertech
                                        Badcaps Veteran
                                        • Apr 2012
                                        • 384
                                        • USA

                                        #39
                                        Re: capacitor with no esr value



                                        larger pics
                                        Last edited by 1supertech; 06-08-2012, 11:36 AM.

                                        Comment

                                        • 1supertech
                                          Badcaps Veteran
                                          • Apr 2012
                                          • 384
                                          • USA

                                          #40
                                          Re: capacitor with no esr value

                                          Originally posted by 1supertech
                                          Thought I would uplaod larger pics
                                          More images
                                          Finally got are hope they are large enough
                                          Attached Files
                                          Last edited by 1supertech; 06-08-2012, 01:23 PM.

                                          Comment

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