Re: HELP WITH SCHOOL //c

[musjndx@gsusgi2.gsu.edu (Jonathan N. Deitch)]

euc@cpva.saic.com writes:

>In our elementary school, there is an Apple //c with what appears to be a
>composite color monitor made by NEC.  The display seems like it is shot, that
>is the 40 column characters have become illegible except in CAPS mode. 
>Assuming the problem is a bad monitor, and we have to buy a new one (if one is
>still made--have not looked into that yet!), can we buy something that will
>give a better resolution than 40 columns, or is this controlled by the video
>card rather than the type of display?

If your CAPS letters look okay and the lowercase letters (and in fact all
unshifted characters) look like garbage, then it's not the monitor, it's your
display circuit.  I had the same thing happen, but ONLY to main memory video
characters (80 columns alternates aux/main/aux/main/etc).  I ended up finding
a bad solder joint on the main memory 80column latch chip.  While I wouldn't
expect most people to be able to board level troubleshoot, this is an example
of what can go wrong.  If you don't want to disassemble your //c, you can
buy a new logic board for $99 from most mail order parts houses.

>Thank you in advance for your assistance.

No problem.

- Jonathan
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