2400 and iBook: Separated at Birth?

[Scott's Lists]

Hi, all.

Ran across this letter in a column on Low End Mac.

Sheds a bit of light on 2400c GLOD, I think. I have read stories around 
here on GLOD machines fixed by replacing elements like mother boards, 
processor daughter cards, and power boards. This letter makes it sound 
that ultimately it is the power board in every case--it is fluctuations 
coming from that that fry other components.

The letter is about iBooks, but it sounds hauntingly familiar. All that 
missing is a certain little green light......

--Scott

Here is the letter:

 >re: iBook Logic Board Failure
 >
 >From Brian Hugh Warren
 >
 >Charles,
 >
 >My wife's iBook (700 MHz CD) had a really rocky start when we got it. 
Just
 >*zip!* it would shut itself off, often never really able to start itself
 >back up. We sent it in three times! The first two, they replaced the 
logic
 >board and the hard drive. The third time we did, we brought it into the
 >Apple Store (we were in the process of moving from Arkansas to Alaska 
and
 >happened to be in the Denver area). We showed the guy what we were 
talking
 >about, and he saw the problem first hand. He and another genius looked 
it
 >over thoroughly and ended up sending it in for us, with explicit
 >instructions to replace the "Power Card" (or something like that --
 >basically the power manager that regulates the power going to the logic
 >board).
 >
 >They fixed it and sent it to my father in Seattle. We picked it up 
there on
 >our way to Alaska. It has worked great ever since. Basically, as I
 >understand it, the power regulator was sending just a wee bit too much 
power
 >to the logic board. So it would work fine for a week or two -- and
 >eventually fry itself. The logic board was dead, so they would replace 
that,
 >but never replace the power thingy.
 >
 >So, that's just a word to anybody else who might have had that problem.
 >
Brian
 >
 >Thanks Brian,
 >
 >That may be helpful to others plagued with similar failures.
 >
 >Charles