Re: bzone problem

From: peter jones <highwayman2000_at_mail.ru>
Date: Sun Sep 16 2007 - 23:18:25 EDT

-----Original Message-----
From: andre <livnfree_can@yahoo.com>
To: vectorlist@vectorlist.org
Date: Sun, 16 Sep 2007 16:55:47 -0700 (PDT)
Subject: VECTOR: bzone problem

>
> Got a bzone board that looked ok in attract mode, but
> had no playfield objects. Game would play oddly with
> no enemy tanks..you could hear them fire but nothing
> would hit you. Also there was a bright fuzzy dot
> always in center of screen.
>
> Anyways, test said 'T' which I think manual says is an
> integer error.
>
> - Anyone know what might cause this on the pcb?
>
> So I put on another aux board I had (unknown
> condition) and game does not have any errors on test.
> All playfield objects are there, including enemy
> tanks. But it still has an issue.. When I coin up,
> game immediately starts without me pushing the button.
> My tank sits there idling but fires repeatedly.
> Controls have no affect on the game..you just sit in
> the same spot firing.. The enemy tanks are there
> driving around like normal. I put on my Braze
> highscore kit and removed all eproms but no dif.
>
> - Anyone have this issue before?
>
>
presuming you resoldered the connector between the boards,
second problem is probably a pokey chip,
first could be a bitslice or prom.
that said, 99% of the time it's a socket.

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Received on Sun Sep 16 23:18:35 2007

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