Re: Tempest problem.

Kevin Moore <talon.k@gmail.com> wrote:

>Thanks Andrew. I have the alt circuit with the MC3410. Pin 4 was stuck low.
>Toggled it, and the problem went away. I'm sure the problem will come back,
>When it does, I'll have to check the proceeding circuit to see if the
>problem is with the 3410, or somewhere before. But at least I know where the
>problem lies.
>
>Thanks very much for pointing me in the right direction.
>
>Kevin
>
>
>On Mon, Nov 9, 2009 at 3:19 AM, Andrew Welburn <andy@andysarcade.net> wrote:
>
>> have you checked the 'X' AM6012 DAC @ A10 ? I have seen similar things
>> like this..
>>
>> If its not DAC related, you need to check the vector timers, one is
>> probably only counting in one direction.
>>
>> Andrew Welburn
>> www.andys-arcade.com
>>
>> ----- Original Message -----
>> *From:* Kevin Moore <talon.k@gmail.com>
>> *To:* vectorlist@vectorlist.org
>> *Sent:* Saturday, October 31, 2009 10:43 PM
>> *Subject:* VECTOR: Tempest problem.
>>
>> Ok, seems like there something not quite right with this tempest. I'm
>> pretty sure it's not supposed to look like this.
>> Here's the link to the photos.
>>
>> http://picasaweb.google.com/Talon.K/Tempest02?feat=directlink
>>
>> First is of the attract screen,
>> Second is of the test screen,
>> and lastly the cross hatch pattern.
>>
>> Any ideas?
>>
>> Thanks,
>>
>> Kevin
>>
>>
>>
R{.nÇ+‰·¬¹»®&Þ¢»â{ayªÜ†+Þ±«a¶Úÿ0½ç-¢¹b²Ú+>Wš±çb­ç-¢Ø^®«ž²Ø¨žÇ(šg§¶Ê+¦º•é¬¶‡!®+0zËgz×(
Received on Mon Nov 16 19:57:46 2009