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Matt Rossiter wrote:<br>
<blockquote type="cite"
cite="mid00e801c2a200$bb9d40a0$84efaa40@mrossiter">
<pre wrap="">I guess one more thing. I now have all the sounds working except for the
invader hit. For the invader hit I just get a high pitch sound. I'm
looking at the schematics and see that the LM3900's at M4 and M5 could be
suspect? Then, on the schematics, it shows a 4006 in the circuit, but on
the board it's a 4016. Am I looking at this wrong?
Matt
</pre>
</blockquote>
<br>
The schematic is wrong. It should be a 4016 (or 4066). I had to think about
that for a while when I saw it too.<br>
<br>
<blockquote type="cite"
cite="mid00e801c2a200$bb9d40a0$84efaa40@mrossiter">
<pre wrap="">
----- Original Message -----
From: "Matt Rossiter" <a class="moz-txt-link-rfc2396E" href="mailto:rossiter@ni.net"><rossiter@ni.net></a>
To: <a class="moz-txt-link-rfc2396E" href="mailto:rasterlist@synthcom.com"><rasterlist@synthcom.com></a>
Sent: Thursday, December 12, 2002 12:33 AM
Subject: Re: RASTER: Fw: Help Needed: Midway Space Invaders w/ no sound
</pre>
<blockquote type="cite">
<pre wrap="">Looks like someone replaced the fuse block and accidently swapped the
</pre>
</blockquote>
<pre wrap=""><!---->wires.
</pre>
<blockquote type="cite">
<pre wrap="">I have sound now. Now I just have to fix a couple missing sounds. I'm
actually surprised the wire swapping didn't do more damage. The audio
voltage looks a little low, but the sound works and that's all I care
</pre>
</blockquote>
<pre wrap=""><!---->about.
</pre>
<blockquote type="cite">
<pre wrap="">Thanks guys for the help!
Matt
----- Original Message -----
From: "Mark Shostak (DOS)" <a class="moz-txt-link-rfc2396E" href="mailto:shostak@augustmail.com"><shostak@augustmail.com></a>
To: <a class="moz-txt-link-rfc2396E" href="mailto:rasterlist@synthcom.com"><rasterlist@synthcom.com></a>
Sent: Wednesday, December 11, 2002 11:50 PM
Subject: Re: RASTER: Fw: Help Needed: Midway Space Invaders w/ no sound
</pre>
<blockquote type="cite">
<blockquote type="cite">
<pre wrap="">Ok, I pulled out the chip and measured the voltages. The one I'm
</pre>
</blockquote>
</blockquote>
<pre wrap="">concerned
</pre>
<blockquote type="cite">
<blockquote type="cite">
<pre wrap="">with the most is the audio voltage which was reading around 40 volts
</pre>
</blockquote>
</blockquote>
<pre wrap="">now!
</pre>
<blockquote type="cite">
<pre wrap="">Is that an AC or DC measurement?
Where are you reading it?
What kind of meter are you using?
Is this your test cabinet or a customer's cabinet?
If it's yours, does a known good board set work in it?
P.S. Send a link to the print (it's too late for fishing).
</pre>
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Received on Thu Dec 12 12:17:15 2002
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