:) Also, there is a super tiny 10 ohm 1/100 watt resistor that feeds 24vdc to pin 2 of the power supply control chip. It read 4300 ohms. I removed one from a control pcb from an old broken hard drive and tacked it into the circuit. It boots up and works fine now. This resistor is near the power supp...
My RB450G failed on Sunday. I purchased it in July of 2011. No longer under warranty.
The capacitors are bad. The Nichicon UPW series or the new Polymer capacitors are my two choices.
The board made a sizzling noise before it failed.