I have 2 Tivo series 3 (648) that the hard drives failed within a few months of each other and I imaged 2 new drives at different times WD AV-GP 2 TB AV Video Hard Drive WD20EURS and one of the series 3 works great.
I also replaced the bulging caps on the power supply boards. One of the series 3 tivo was stuck in the powering up screen, new problem. I tried unplugging the fan and the tivo works with no problems, so i bought a new fan and tried it and still stuck in powering up screen and reboots. I checked the voltages and they are good.
What I did was connected the fan directly to the power supply board 7.5 volts pins bypassing the mother board and everything is working. I have used it for about 2 months and it's been working (No Problems).
Do you think it's the power supply board or the mother board?
Thank you Rick
I also replaced the bulging caps on the power supply boards. One of the series 3 tivo was stuck in the powering up screen, new problem. I tried unplugging the fan and the tivo works with no problems, so i bought a new fan and tried it and still stuck in powering up screen and reboots. I checked the voltages and they are good.
What I did was connected the fan directly to the power supply board 7.5 volts pins bypassing the mother board and everything is working. I have used it for about 2 months and it's been working (No Problems).
Do you think it's the power supply board or the mother board?
Thank you Rick