Vectorlist Archives: RE: Quad Pokeys and LETA chips for a MH

From: ehenciak <ehenciak_at_comcast.net>
Date: Fri Mar 25 2005 - 23:46:53 EST

Just curious,

Have you confirmed that you plugged the harness in the right way? I
seem to recall that Tempest wiring harness conversion boards required the
user to kind-of flip the smaller connector upside down. Dave Shuman stopped
by my place years ago with an MH <=> Tempest conversion board and we had a
similar problem at first in my Tempest (2nd game I ever owned back in
1996...wow, time flies).

However, judging by the error code, I think a flakey POKEY is your
problem...

By the way, you can get LETA chips off Crystal Castles in the event
you cannot locate the part. I think Roadblasters' daughtercard has one as
well? I might had a dead Roadblasters daughtercard...email me privately and
I'll see if I can dig it up.

You are Steve Prendergast (sorry if I butchered the spelling) in
Pittsburgh, right? If so, I still have that Gravitar cab I bought from you
years ago :) !

ehenciak@comcast.net

-----Original Message-----
From: owner-vectorlist@vectorlist.org
[mailto:owner-vectorlist@vectorlist.org] On Behalf Of Steve P.
Sent: Friday, March 25, 2005 10:17 PM
To: vectorlist@vectorlist.org
Subject: Re: VECTOR: Quad Pokeys and LETA chips for a MH - source?

Update:

I've been poking around Google and found that the LETA chip at (I think it
is) location 12N can also cause lack of spinner movement - where can I find
one of those without stealing one from an Atari System II PCB?

Thx!

-Steve P.

----- Original Message -----
From: "Steve P." <projektzwo@yahoo.com>
To: <vectorlist@vectorlist.org>
Sent: Friday, March 25, 2005 7:26 PM
Subject: VECTOR: Quad Pokeys for a MH - source?

>
> My Major Havoc (not dedicated but a conversion PCB) seems to have
> developed
> a control issue - the spinner is not working. Test mode indicates a "P"
> which the manual says is a custom IC error at location 13Q - which is the
> Quad Pokey Eliminator board. The Quad Pokeys that are on my eliminator
> board are marked differently - are they still all the same or is each one
> indeed different? Anyone know where I can get these?
>
> I had this board fixed back in January - it flaked out on me mid game and
> the display went all scrambled. I plugged it in right after I got it back
> for all of 20 seconds to verify that the video was fixed but this is the
> first time I've actually had it plugged in to play. :(
>
> Sigh.
>
> Thx.
>
> -Steve P.
>
>
>
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RE: Quad Pokeys and LETA chips for a MH - source?