Re: 9010 Z-80 Pod Help needed

Not saying this is it, but I've had 2 instances where I would get a 00
on selftest, and it turned out to be a bad connection on the zif
socket.

Kevin

On Sat, Mar 9, 2013 at 9:09 PM, Justin Johnson <rugd2go@comcast.net> wrote:
> Hi Guys,
>
> I'm hoping I can find some help fixing my Z-80 Pod. Here is the scoop and I
> will try to make this short. I purchased a Z-80 pod with the cables cut
> off. Found a new set of cables and tried a self test. The self test gave
> me the failure code 00. I then used a 40 pin socket and removed pin 29 as
> suggested in the manual and placed the socket on the pod pins and reinserted
> the 40 pin connector into the pod for a bus test. I then got a CTL ERR
> 00000000 00001000-LooP. As I understand it that shows an issue with driving
> bit 5. Am I correct that this is address and data line 5? I used my logic
> probe and probed the data lines of U4 or R6532AP. I found that pin 28 of U4
> which is the R6532AP has Data line 5 low while the other data lines are
> high. Where do I go from here? Any help or suggestions would be
> appreciated.
>
> Thanks
>
> Justin
> _______________________________________________
> Techtoolslist mailing list
> Techtoolslist@flippers.com
> http://seven.pairlist.net/mailman/listinfo/techtoolslist
> FTP site is: ftp://ttl.arcadetech.org/TTL/Test_Equipment
> Archive site: http://seven.pairlist.net/pipermail/techtoolslist/
_______________________________________________
Techtoolslist mailing list
Techtoolslist@flippers.com
http://seven.pairlist.net/mailman/listinfo/techtoolslist
FTP site is: ftp://ttl.arcadetech.org/TTL/Test_Equipment
Archive site: http://seven.pairlist.net/pipermail/techtoolslist/
Received on Sun Mar 10 06:52:48 2013