> Yes. I've been running the pb as a plug in for the past 3 weeks or so.

You may want to check the jack internals.  It almost seems like one of the
'tangs' is
severely deformed.  Funny though, I would think it would also affect the
power adapter if
that were the case.


> > >but I can't help but
> > > thinking that there is something about the plug or the jack that's
> > > causing the problem.

Good place to start.  Might try ohming just the I/O board by itself at the
jack terminals while wiggling
the ac adapter plug.  See if it shorts. Do a visual on the mechanical
joints.

> Have to remove the LCD screen to get to the I/O board.....

Complete disassembly.

>I take it that there is no problems
> having the pb plugged in after the board is removed from the case....

You can use it plugged into an external monitor and an adb keyboard & mouse.
I generally flip it over and place a small TO-220 heat sink on the cpu to
keep the temp down.
In your case, you probably want to leave it in the bottom clam with an
external monitor, kbd, &
mouse so you can measure voltages around the battery terminals.

Good Luck.


Jack




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