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gblades
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Last Activity: 02-15-2010, 02:31 PM
Joined: 02-13-2008
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  • gblades
    replied to Capxon Capacitors?
    in General Capacitor Questions & Issues
    Re: Capxon Capacitors?

    I reconditioned the powersupply in my Thompson Sky HD satellite received at the weekend. These boxes are well known to have poor power supplies.
    All the capacitors were capxon and I replaced all 15 of them. Two were so bad the ESR meter thought they were still in circuit. One other had a poor ESR and one had a poor ESR and a cap readong of almost half what it should have.
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  • gblades
    replied to Is this electrolyte leakage?
    in General Capacitor Questions & Issues
    Re: Is this electrolyte leakage?

    Thanks for that info. As the primary was bad it makes sense that it could lead to the unit no longer turning on if in turn the secondarys could not function properly.

    The ESR meter I am looking at does measure capacitance aswell so should be a very valuable tool.
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  • gblades
    replied to Is this electrolyte leakage?
    in General Capacitor Questions & Issues
    Re: Is this electrolyte leakage?

    Thanks. I am looking to get an ESR/Capacitance meter next week so will probably test all the capacitors anyway as others could well be bad but not showing any physical signs.

    Its a cheap dvd recorder. Aparently it started going wrong where it would power on but when trying to eject the DVD it would power itself off. However after getting it home it does not power on at all.

    First step is to get it to a state where all the caps are ok on the psu and then go on from there.
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  • gblades
    started a topic Is this electrolyte leakage?
    in General Capacitor Questions & Issues

    Is this electrolyte leakage?

    I have removed one cap from this power supply as it was bulging top and bottom so oviously faulty.
    Are the brown marks you can see here elecyrolyte leakage or glue?
    Some of the connecting plugs do have a thin layer of a brown rubber type compound on them which is oviously designed to stop them coming off by themselves but I dont know if the marks on the board are the same stuff. You can see a large clump of stuff between the cap and inductor on the 1st picture....
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  • gblades
    replied to The Hall of Shame - Badcaps Photo Montage
    in General Capacitor Questions & Issues
    Re: The Hall of Shame - Badcaps Photo Montage

    I dont recognise the make. Its difficult taking a photo at the angle but here is a photo of another capacitor which has an identical logo on it....
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  • gblades
    replied to The Hall of Shame - Badcaps Photo Montage
    in General Capacitor Questions & Issues
    Re: The Hall of Shame - Badcaps Photo Montage

    How about this one from a power supply from a cheap dvd recorder.
    I am unsure if it is electrolyte leakage you can see but the top is bulging and the side is a bit rippled aswell....
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