The only signal that comes out of D2 is the IRQ going to pin 4 of the CPU.
All inputs were toggling when checked with logic probe, but the output was
High.
Kevin
On Wed, Jul 7, 2010 at 8:22 PM, Mark Shostak <shostakmark@gmail.com> wrote:
> For future reference, what signals was that (directly) impacting?
>
> Thanks,
> -Mark
>
>
> On Wed, Jul 7, 2010 at 7:32 PM, Kevin Moore <talon.k@gmail.com> wrote:
>
>> Yep, sure enough. Previous repair of D3 74ls74 horribly wrong.
>>
>> Up and Running
>>
>> Thanks guys
>>
>> Kevin
>>
>>
>>
>> On Wed, Jul 7, 2010 at 6:54 PM, Maxstang <maxstang@sbcglobal.net> wrote:
>>
>>> Hey Kevin,
>>>
>>> I have a board in the same shape that I've been working on for a few
>>> months on and off with no success. Wish I had an answer for you. -Malcolm
>>>
>>> Sent from my iPhone
>>>
>>> On Jul 7, 2010, at 2:04 PM, Kevin Moore <talon.k@gmail.com> wrote:
>>>
>>> Ok, I've never come across this so I'm kinda stuck at finding a starting
>>> point.
>>>
>>> Known good Aux
>>> New Cable
>>> Headers re-flowed.
>>>
>>> Had a Bad Vector Rom R3
>>> Rom/Ram tests check good on Fluke
>>> Self test comes up with no errors, all input tests check out etc.
>>>
>>> Put it in play mode, and Nothing. Watchdog barking. Ground Watch Dog,
>>> still nothing.
>>>
>>> Thought I would ask if anyone has run across this before jumping off this
>>> bridge.
>>>
>>> Kevin
>>>
>>>
>>>
>>> ---------------------------------------------------------------------------
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>>> ** Please direct other questions, comments, or problems to
>>> chris@westnet.com
>>>
>>
>>
>
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Received on Wed Jul 7 21:33:58 2010
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