3400c saga

[Dan Scanlan]

I have a few questions about the 3400c I've been frizzing over. The 
first symptom was it kept saying I hadn't programmed a function key, 
as though a function key was stuck down. I would dismiss the dialog 
box, but it simply came back. I shut off the machine and next morning 
it was dead. It has a new battery and a good hot back-up battery. 
After a few weeks of messing with it and getting nothing, no chime, 
no click, no lights -- I set it out in the hot sun for a day and 
voila! it turned on.  But the extensions were off, as though the 
shift key were being held down. Nor could I double click icons to 
open them-- the icons simple selected and deselected. They would open 
from the menu, however. Also, if I selected one icon and then moved 
to another, the second icon would select, but the first one would 
stay selected, again, as though the shift key were being held down. 
Also, it would boot from an extgernal keyboard, but not from its own 
built-in keyboard.

Today, I tore it down again, even pulling out the motherboard. I 
found what appeared to be a few corroded solder joints and cleaned 
them with electronic contact cleaner. I cleaned a host of cable ends, 
etc. and reassembled.

Now the symptoms have changed. It boots up with the extensions on. 
This is good.

But as soon as it gets to desktop, it goes to sleep. This is bad. The 
only way to wake it up is to press the reset button on the back. The 
screen will come back up and whatever routine the processor was in 
will continue. For moment. then it goes back to sleep.

Bummer, eh?

This machine has 80 megs of ram and a 20 gig hard drive, and it 
clocks at 240mh. It was a great runner 'til this odd-ball stuff 
started happening.
Will a Kanga G3 logic board fit into this machine? If not, what will 
fit? anybody got one?

I need to get this behind me and get back to recording my killer ukulele songs.

Thanks,

Dan Scanlan

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