Re: Missing Battlezone voltage and Germanium diodes

While you're getting 2114s from BGMicro I'd recommend getting a few AM2901s
as well. First try cleaning the sockets for these chips, and if that doesn't
do it, then replace them.

----- Original Message -----
From: "Lewis Mills" <lmills01@home.com>
To: <vectorlist@synthcom.com>
Sent: Sunday, June 03, 2001 7:26 PM
Subject: Re: VECTOR: Missing Battlezone voltage and Germanium diodes

> Hi,
> I'm making a little progress. I've got the boardset far enough along to
get
> into the test mode. Combining these boards with a working set, I can tell
> that the main board has a bad RAM at C2. I've got a bunch of 2114s on the
> way from BGMicro, so I hope I can get that straightened out.
>
> The other problem is that the aux board has a math box "data error - high
> byte." Is there any way to troubleshoot the math box error without a
> signature analyzer?
> Lewis
>
> ----- Original Message -----
> From: "Christopher X. Candreva" <chris@westnet.com>
> To: <vectorlist@synthcom.com>
> Sent: Sunday, June 03, 2001 6:11 PM
> Subject: Re: VECTOR: Missing Battlezone voltage and Germanium diodes
>
>
> > On Fri, 1 Jun 2001, Lewis Mills wrote:
> >
> > > testpoints on the A/R and the game boards. I've resoldered all the
> connector
> > > pins, and looked with a magnifying glass for cold solder joints. But
the
> > > game still does not come up. The start button lights up steadily, not
> > > blinking, and nothing happens when I press it. Any suggestion on next
> steps?
> >
> > Did you try putting the game in self-test mode ?
> >
> > I have an intermittant problem on mine. When this happens, one of the
> > mathbox errors will come up, and I basicly push various parts of the PCB
> > until it works.
> >
> > Yes -- I have reflowed much solder on these boards. Obviously I have not
> > found the magic one yet.
> >
> > -Chris
> >
> >
> > ==========================================================
> > Chris Candreva -- chris@westnet.com -- (914) 967-7816
> > WestNet Internet Services of Westchester
> > http://www.westnet.com/
> >
>
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>
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Received on Sun Jun 3 20:38:45 2001