Re: Star wars sound problem

I have a working ARII that works just fine in the game so its definitely the
ARII board and not the game board. What I dont understand is why it is affecting
the colors on the screen as well as the sound.
Thanks,
Dan Piraino

Bret Pehrson wrote:

> >From RGVAC (Russel Willoughby), regarding a Centipede sound problem:
>
> It's not uncommon for the TDA2002 amplifier on the Audio/Regulator II
> board to fail. This would be the first thing I'd replace... and I'd
> check any resistors/caps/etc. in the sound amp circuit while I had the
> board out.
>
> I guess it's possible the problem could be on the game board, but I
> doubt it. The board puts out unamplified audio, so it's basically
> either present or not present. If the sound appears to be "correct",
> but very quiet, I'd rule out the game board.
>
> --
>
> So I guess check/replace the TDA2002s.
>
> > -----Original Message-----
> > From: owner-vectorlist@synthcom.com
> > [mailto:owner-vectorlist@synthcom.com]On Behalf Of Daniel Piraino
> > Sent: Saturday, July 7, 2001 11:46 AM
> > To: vectorlist@synthcom.com
> > Subject: Re: VECTOR: Star wars sound problem
> >
> >
> > I unplugged the sound side of my ARII board and plugged the sound side of
> > another board in and the sound was fine. Also the colors were
> > present. Before I
> > just got a weak green color. I had a ARII rebuilding kit from Bob
> > Roberts so I
> > rebuilt the board. When I put it in the game I still had the same
> > problem as
> > before. The only thing that didnt get changed were the resistors
> > and diodes and
> > two TDA2002A transistors. Does anyone have any idea what could be
> > wrong. Still
> > if I plug the other board in everything is good with the color and sound.
> > Thanks,
> > Dan Piraino
> >
> >
> > Bret Pehrson wrote:
> >
> > > Clean/replace the volume pot (!)
> > >
> > > > -----Original Message-----
> > > > From: owner-vectorlist@synthcom.com
> > > > [mailto:owner-vectorlist@synthcom.com]On Behalf Of Daniel Piraino
> > > > Sent: Thursday, July 5, 2001 4:01 PM
> > > > To: vectorlist@synthcom.com
> > > > Subject: VECTOR: Star wars sound problem
> > > >
> > > >
> > > > My Star wars has a problem with the sound having alot of static.
> > > > I checked the
> > > > speakers and that not it. Some of the speech sounds muffled and a
> > > > bit distorted.
> > > > When you turn the volume pot there is alot of static generated
> > > > also. And it sounds
> > > > like only one speaker is putting out sound and its not the wiring
> > > > or the speaker. I
> > > > checked already. Have any ideas?
> > > > Dan Piraino
> > > >
> > > >
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Received on Sun Jul 8 18:11:39 2001