[Duo2400] Duo 2400 powerboard reliability problems

[Tom and Lisa P]

>Hi all,
>I've been reading the DuoList for several months now
>and learned of the 2400 GLOD problems. I'm curious if
>anyone has looked at the design and tried to improve
>on it? My thoughts are:
>1) If it's heat related, the regulator IC may need a
>better heatsink. The AC adapter puts out 24 Volts and
>has to drop it to 12 and/or 5 Volts. That is a lot of
>power to dissipate. The old linear regulators (if
>thats what it has) have to continuously dissipate
>P=V*I watts. I don't know how much current the 2400
>draws, but if there's room to add a heatsink, it would
>be good preventative maintainence.

Which IC is the regulator ?

>2) Does the powerboard have OVP (over voltage
>protection) and a fuse? If the regulator did fail,
>hopefully an OVP circuit would take over and clamp the
>voltage to a safe value that wouldn't kill the logic
>board!
>3) I don't own a 2400, but I have a 2300c. Does anyone
>know if they have the same powerboard reliability
>issues?

Not as far as I know.

Mad Dog