Re: MH and Tempest spinner not compatable?

Of 4 coupler PCBs I had (from 2 Tempests and a Millipede), only one
worked with MH. The one that worked gave almost identical voltage
readings from the 2 optos, whereas the other 3 boards gave differing
readings. With my relative lack of knowledge I assumed that MH was just
very picky about getting high readings from the two optos. I seem to
recall that the "working" PCB was fine with my Tempest also.

Joe wrote:

>Thanks... I did notice now that the MH board has a 150 ohm resistor from
>ground. The Tempest has a 100. If I change the resistance, I would
>assume that it'd work on MH. But, will it still work in the
>Tempest...... I guess I'll find out..
>
>-----Original Message-----
>From: Louis Srianomai [mailto:louisurfer@yahoo.com]
>Sent: Friday, March 14, 2003 1:13 PM
>To: vectorlist@synthcom.com
>Subject: Re: VECTOR: MH and Tempest spinner not compatable?
>
>Joe,
>
>I think some of the older opto boards work and some don't with MH.
>
>If I recall, the latest one you can buy at happ rev F. works. I think
>Mark
>used these for his repro roller.
>
>Of the 10 or so tempest CP's I've seen only about half worked with MH.
>
>L.
>
>
>--- Joe <joe@joesarcade.com> wrote:
>
>
>>Are the MH and Tempest spinners not compatible I did see in the
>>
>>
>Tempest
>
>
>>-> MH conversion that Atari included a new spinner pcb, or is that
>>wrong? If so, does anyone have schematics of the MH spinner PCB?
>>
>>Please help if you can...
>>
>>Thanks,
>>JB
>>
>>
>>
>>
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Received on Sat Mar 15 04:58:45 2003