Not really. Those caps don't typically leak, they dry out. I ripped my prototype IIcx power supply all apart trying to get it to work! As I said, it turned out to be the mobo. I sent it to uniserver (member here) for a recap. Fired right up. I have about 4 IIcx type power supplies, they are all working.

Not saying they can NOT go bad. Just saying in your case a mobo re-cap will probably fix the issue and its needed anyway.