OK, I've got a 55859 that I just replaced all 7 caps on. It rebooted, powered up, gave me a picture and >poof< went out after ~1 minute.
I waited for the light to stop blinking, turned it on again. Same thing.
3rd times the... nope. Same thing.
I looked around inside the set long and hard looking for other blown caps, fuses, etc., when I noticed a connector hanging loose and free. When pulling the module out, I pulled loose one of the connectors that is attached via one of the looms of wire. I reconnected it, powered it up and immediatley got the "power has been lost..." on screen display that I now realize I never saw yesterday. Anxiously waited my 1 minute and... still on!