Re: Follow-up: Apple IIe dead?... Repaired!

[Rubywand <rubywand@swbell.net>]

Sabino Maggi writes ...
> 
> Hi to all,
> I announce that, after one full month, my A2 Europlus works perfectly
> again!
> 
> One month ago (I was mostly on vacation in the meantime) I wrote:
> 
> > ... a couple of hours ago the machine went dead.
> > Now, when I turn on the computer, all I can get is a screen full of
> > alternating rows of "@" (in inverse) and "?". Also , there is no beep
> > from the speaker and CTRL+RESET does nothing.
> >
> > Anybody can help me?
> 
> I have received a lot of very helpful replies. Now I want to summarize
> what I did and how I managed to solve the problem.
> I hope this account can be of help to others.
> 
> 1) With a digital tester I have checked the power supply and the dc
> voltages on each chip. All were well within specifications.
> 
> 2) Following many replies on this ng, I have pulled each chip out of the
> motherboard, cleaning the pins to remove dirt and oxide, and putting the
> chips back in.
> First, I have done this only on the smaller non-RAM chips, then on the
> many RAMs and finally I have also cleaned the larger ROMs and the 6502.
> Each time I have turned the A2 on to test its behavior. Nothing
> changed... :-(((
> 
> 3) I have managed to get a second A2 (plus several expansion cards and
> two shiny original Apple floppy drives). Following a sort of "inner
> feeling", I have replaced the 6502 on my dead motherboard with that on
> the second computer. Wow, works!!!
> Now my A2 first beeps at boot and then the usual prompt appears.
> It was the processor (thank Andy!)
> 
> I'll buy a new 6502 for my second Apple. It really deserve to come back
> to life!
 ....

     Thanks for posting the info on your fix!



Rubywand