OK, I finally got the tool and was able to open the unit. I did disconnect the hard drive but still no luck. I did verify the power supply and it seems to be good as I have various outputs (2.5V, 3V, 5V, 12V, 30V ,etc...). Of course it was not tested with a load but still seems to be OK. Any other suggestion are more then welcomed.. Anyone has the diagram of both boards??
Power Supply is:
Main board is:
Motorola DCT6412 P3 517928-002 REV. E