VECTORLIST - The Mailing List For The Technical Discussion of Vector-Based Arcade Games

February_2001
RE: VECTOR: Re: Finally: Cosmic Chasm


From: Mark Shostak ( )
Date: Wed Feb 28 2001 - 14:20:36 CST


From: "Fish, David" < >
>The problem I'm seeing isn't a matter of SCALE of the color signals,
>it's a matter of offset. The RGB signals all have a positive 0.7V
>offset, the peak voltage is OK. The resistors mentioned in the manual
>(R4, R12 and R20) are presently populated with 2.7K ohm resistors, the
>correct value for a G08 style monitor. I'll know more tomorrow after
>I try a different monitor and a different boardset.
>
>Mark S., any chance you could throw a scope on your monitor inputs :-)
>
>Dave

Looking at the prints, there should be a positive bias on the Z-axis,
provided by R3, R11 and R19.

I can scope it, however, the time frame may be a problem.
The game has been in storage since I fixed it some years ago.

Mark J.- I'll take the do-it-yourself option ;-)

-Mark

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