Re: Apple ][+ with double vision

[dog_cow@macgui.com (D Finnigan)]

Robwrote:
> On Dec 7, 7:57�am, Geoff Body <gbo...@bigpond.com> wrote:
>> Rob,
>> based on your description I would consider either E11 or D12 as
>> possible faulty parts.
>> You could swap E11 & E12 and see if the problem changes to a
>> horizontal duplication every 8 characters.
>> This would show if the 74LS153 is faulty.
>>
>> Geoff
> 
> Hi Geoff,
> Thanks for the reply and suggestion...
> I am not familiar with what parts/chips you are referring to as I have
> not yet had to deal with the A2 board directly except adding/removing
> RAM :)  Can you or someone refer me to a schematic that has info on
> where these are on the board?

There should be a grid on the board, so E11 & E12 are the locations. You
should see lettering on one edge and numbering on another, just like on a
map.