RE: Turkey Shoot help?

Have you checked the voltages at various points on the PCBs? If not, I'd do
that.

I had a problem w/ Inferno that turned out to be cold solder joints on the
interconnect header pins.

> -----Original Message-----
> From: owner-rasterlist@vectorlist.org
> [mailto:owner-rasterlist@vectorlist.org] On Behalf Of joemagiera
> Sent: Tuesday, August 5, 2003 5:54 AM
> To: rasterlist@vectorlist.org
> Subject: RASTER: Turkey Shoot help?
>
>
> I'm hoping the great minds of the vector list also subscribe to the
> rasterlist and can help guide me in this repair effort. I'm
> hoping this
> list even works.
>
> I've had a Turkey Shoot for a while that has been working
> 100%, both in game
> play and all diagnostics. FYI, Turkey Shoot's board set up
> is similar to
> Joust 2, Mystic Marathon, Inferno, etc., one large RAM board,
> and one large
> ROM board, and one small interface (sound?) board. There
> also is normally a
> power supply board, but I am running this game off a Bob
> Robert's Williams
> switcher. Turned the game on a couple of days ago, and it
> constantly is
> resetting. It's not even getting a chance to go back through the rug
> pattern before it resets again. It will not go into test
> mode either at
> this point.
>
> I had another untested boardset, and here's the
> troubleshooting discoveries
> I've been able to make so far:
>
> -At the power supply, the +5 and +12 are right on. The -5 is a touch
> low, -4.5 (with no load). However, I strongly suspect it was the same
> voltages when it was running correctly.
> -Reseated all socketed chips on all boards
> -Resoldered all connectors on all boards
> -Through some substitution with the other boardset, it
> appears the problem
> lies with the ROM board.
> -The second ROM board came up, but with several problems too. I think
> there's a better chance to fix the first one at this point
> (if only because
> I know the first one worked 100% before whatever happened to
> it happened).
> -I switched out all socketed chips between both ROM boards,
> and the game
> still constantly resets.
>
> I have not moved this game around, or bumped it or had any
> power surges (my
> games are unplugged when not in use). Anyone have any ideas
> what to look
> for, where to go next? Any help or ideas would be much appreciated.
> Thanks,
>
> Joe
> joemagiera@ameritech.net
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>

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Received on Tue Aug 5 11:08:32 2003