Rubycon part no?

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  • drkailey
    New Member
    • Jul 2011
    • 8

    #1

    Rubycon part no?

    1st post, maybe you can help.

    Have an old Canon S200 I like that's draining the battery when not in use (overnight). Read on another forum that replacing the flash cap might work.

    Looking for a p/n (or replacement) for a Ruby 330v 80uF "flash cap" 14x21mm :



    Can't find anything on their site, Digikey, Mouser or Newark.

    Help!
  • jetadm123
    Badcaps Legend
    • Feb 2010
    • 2169

    #2
    Re: Rubycon part no?

    You're probably looking for the Rubycon FW series, which are made for the photoflash market. Below is a link for the cap:

    http://www.wellgainelectronics.com/n...capacitor.aspx

    Please note that I have not used this company and the link is for info purposes only.


    Chemicon also makes a similar cap, slightly longer, which is available on Ebay:

    http://cgi.ebay.com/1-NIPPON-330V-80...item3cb64ab735

    Comment

    • drkailey
      New Member
      • Jul 2011
      • 8

      #3
      Re: Rubycon part no?

      Thanks, I came across that Well Gain part during my search, mine definately has the lug terminals tho, guess it doesn't matter as long as it's a photo cap of the right value and size.

      Comment

      • momaka
        master hoarder
        • May 2008
        • 12160
        • Bulgaria

        #4
        Re: Rubycon part no?

        Originally posted by drkailey
        Read on another forum that replacing the flash cap might work.
        I don't have any experience with fixing cameras, but I'm not quite sure about the suggestion you got from that other forum (please post links to that page if possible).
        The flash cap is charged through the inverter and the inverter should be controlled by the camera's main logic. Regardless of the state of the flash capacitor, the inverter should be turned off when the camera is off. Therefore, I don't think changing the flash cap would do anything.
        Probably better for someone else to confirm, though.

        Comment

        • drkailey
          New Member
          • Jul 2011
          • 8

          #5
          Re: Rubycon part no?

          Originally posted by momaka
          I don't have any experience with fixing cameras, but I'm not quite sure about the suggestion you got from that other forum (please post links to that page if possible).
          The flash cap is charged through the inverter and the inverter should be controlled by the camera's main logic. Regardless of the state of the flash capacitor, the inverter should be turned off when the camera is off. Therefore, I don't think changing the flash cap would do anything.
          Probably better for someone else to confirm, though.
          Thanks for the help.

          Did quite a bit of searching around but this was all I found:

          http://www.ifixit.com/Answers/View/4...ot+powering+on

          I got a new battery (3.7v lipo) and it seems to charge fine (almost 3.8v) and holds charge indefinately when not in the camera, put it in and it drains overnight.

          Comment

          • PCBONEZ
            Grumpy Old Fart
            • Aug 2005
            • 10661
            • USA

            #6
            Re: Rubycon part no?

            You might have a leaky cap but other than that charging a cap isn't going to drain it.
            Good caps charge to a point and then current stops.
            So you either have a cap with high leakage or some other discharge path has developed.
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            • momaka
              master hoarder
              • May 2008
              • 12160
              • Bulgaria

              #7
              Re: Rubycon part no?

              Originally posted by drkailey
              Did quite a bit of searching around but this was all I found:
              http://www.ifixit.com/Answers/View/4...ot+powering+on

              I got a new battery (3.7v lipo) and it seems to charge fine (almost 3.8v) and holds charge indefinately when not in the camera, put it in and it drains overnight.
              I still don't think that's the source of the problem, though. It doesn't help that no one has given a follow up on what happened after the suggestion on that website.
              Still, I think the flash charging circuit *should be* off when the camera is off (then again, I'm sure it's not impossible that some circuit designer out there has done just the opposite).

              I guess it might be easier to just change the cap and see if that fixes the problem rather than check components. If you do have time and a multimeter, though, check all of the diodes and ceramic capacitors, especially near the battery input. Better yet, if you can post a picture of the camera's circuit boards (interesting paradox there ) , then we can help you with checking components.
              Last edited by momaka; 07-02-2011, 06:08 PM.

              Comment

              • drkailey
                New Member
                • Jul 2011
                • 8

                #8
                Re: Rubycon part no?

                Again, thanks for the help.

                Ya, interesting digging around and found lots of people with my exact problem but few solutions. Most said to just change the battery.

                I'm gonna try changing that cap for now and I'll report back with the results.

                Comment

                • b700029
                  Banned
                  • Sep 2010
                  • 640

                  #9
                  Re: Rubycon part no?

                  You can measure current drain on the battery with an ammeter, when turned off there should be almost none. I think the problem may be a leaky/shorted transistor leading from the battery to the flash inverter.

                  Comment

                  • drkailey
                    New Member
                    • Jul 2011
                    • 8

                    #10
                    Re: Rubycon part no?

                    Originally posted by b700029
                    You can measure current drain on the battery with an ammeter, when turned off there should be almost none. I think the problem may be a leaky/shorted transistor leading from the battery to the flash inverter.
                    Didn't actually measure the drain but I'm quite sure the battery and charger are good but the camera drains it overnight.

                    I'll change the cap and if that doesn't work will definately need your help, finding a bad transistor will be a challenge for me.

                    Comment

                    • drkailey
                      New Member
                      • Jul 2011
                      • 8

                      #11
                      Re: Rubycon part no?

                      Got a quick reply from Rubycon USA, no wonder I couldn't find a p/n:



                      Hello Terry,

                      330 FW 80 V 14x22 is the correct call out.

                      This is a made to order part. There is no available stock.

                      Rgs,

                      Derek Keefe | Rubycon- Inside Sales
                      4293 Lee Ave | Gurnee IL (USA) 60031 | www.rubycon.com

                      w: (847) 249-3450
                      f: (847) 693-3007
                      rai_sales@rubycon.co.jp



                      Have one with the same value coming from Well Gain, will update when I get it installed...

                      Comment

                      • drkailey
                        New Member
                        • Jul 2011
                        • 8

                        #12
                        Re: Rubycon part no?

                        Just a quick update.

                        Got the cap from Well Gain via Hong Kong, unfortunately it's 26mm long instead of the listed 21. They're supposed to see if they have the right one...

                        Comment

                        • RJARRRPCGP
                          Badcaps Legend
                          • Jul 2004
                          • 6301
                          • USA

                          #13
                          Re: Rubycon part no?

                          Looked to me like Rubycon may have refused to help you, because of the cap spec being proprietary to a manufacturer, like some of those UPS ICs.
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                          • drkailey
                            New Member
                            • Jul 2011
                            • 8

                            #14
                            Re: Rubycon part no?

                            Update:

                            Well I tried. Well Gain doesn't have the right cap and the one I got won't fit. Sent it back and am waiting for a refund...

                            Comment

                            • PCBONEZ
                              Grumpy Old Fart
                              • Aug 2005
                              • 10661
                              • USA

                              #15
                              Re: Rubycon part no?

                              ????
                              http://www.ebay.com/itm/1-NIPPON-330...item3cb64ab735
                              Last edited by PCBONEZ; 09-22-2011, 07:53 AM.
                              Mann-Made Global Warming.
                              - We should be more concerned about the Intellectual Climate.

                              -
                              Be who you are and say what you feel, because those who mind don't matter and those who matter don't mind.

                              - Dr Seuss
                              -
                              You can teach a man to fish and feed him for life, but if he can't handle sushi you must also teach him to cook.
                              -

                              Comment

                              • EdoNork
                                New Member
                                • Feb 2010
                                • 6

                                #16
                                Re: Rubycon part no?

                                Let the camera without the original cap and test if it drains.

                                Comment

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