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I would suspect a bad electrolytic capacitor in the power supply. They tend to operate worse at low temperature when they're failing. The easisest way to find the bad ones is with an ESR meter. If you don't have one, you can at least start by visually inspecting the caps for signs of leaking around the pins. The larger caps will need to be removed to tell if they are leaking.
The other possiblilty is that there is a short that's overloading the power supply and causing it to shut down. Double check that all the connectors are in the right place and check for any solder bridges. It's even possible that a defective replacement tuner could overload the power supply.
This is all general advice, not specific to this model.
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10-27-2006, 07:49 PM
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