I have an LD425C that was doing the same thing. It was a bad mirror motor shutting down the power supply. You could check it, you should smell it if it's bad.. at least you could mine right after taking the mirror motor cover off.
Meh, mebbe. There was a time I was fitting one or two power supplies a week to these things, I carried two on my car. A few customers have said they go with a hell of a bang. Not fitted one for about a year now. I think it was just a bad batch of boards.
It's 106 miles to Chicago. We've got a full tank of gas, half a pack of cigarettes, it's dark and we're wearing sunglasses.
Hit it.
Replace NVRAM. ( E Prom )
Found a guy in Manchester who repaired the PSU, he charged us about £100 and it works fine. Considerably cheaper than the cost of a new PSU. If anyone wants his number PM me and i'll pass it on.
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