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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Bill:<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I know about the air dampers you are talking about. I have two
spares, plus the ones on each of the two machines.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Is there any way to service these? Can they be lubricated (I
doubt it…I don’t know what you would lube them with) or should they just be
cleaned if they are not operating smoothly.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Last I check they were working smoothly, but I haven’t checked
them in awhile.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>John<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> quadlist-bounces@quadvideotapegroup.com
[mailto:quadlist-bounces@quadvideotapegroup.com] <b>On Behalf Of </b>bill.spencer@northstarstudios.tv<br>
<b>Sent:</b> Thursday, September 10, 2009 6:08 PM<br>
<b>To:</b> quadlist@quadvideotapegroup.com<br>
<b>Subject:</b> Re: [QuadList] Rebuilding RCA TR-600s - Success<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>John,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>There is also an air damper on the reel tension arms that needs to
be moving smoothly.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'><o:p> </o:p></span></p>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>Bill Spencer</span><span style='color:navy'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>RF Engineering Supervisor</span><span style='color:navy'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>NorthStar Studios, Inc.</span><span style='color:navy'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>3201 Dickerson Pike</span><span style='color:navy'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>Nashville, TN 37207</span><span style='color:navy'><o:p></o:p></span></p>
<p class=MsoNormal><span style='color:navy'> <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>Phone 615.650.6000 ext. 6610</span><span style='color:navy'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>Cell 615.445.5616</span><span style='color:navy'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>Fax 615.650.6027</span><span style='color:navy'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>email <a href="mailto:bill.spencer@northstarstudios.tv">bill.spencer@northstarstudios.tv</a></span><span
style='color:navy'><o:p></o:p></span></p>
<p class=MsoNormal><span style='color:navy'> <o:p></o:p></span></p>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>CONFIDENTIALITY NOTICE/HIPAA PRIVACY RULE: This message may contain
information that is privileged, confidential and exempt from disclosure under
applicable law. If you are not the intended recipient (or authorized to act on
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e-mail and delete the original message from your e-mail system. Thank you.</span></b><o:p></o:p></p>
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<hr size=2 width="100%" align=center>
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
quadlist-bounces@quadvideotapegroup.com
[mailto:quadlist-bounces@quadvideotapegroup.com] <b>On Behalf Of </b>Rob
Lingelbach<br>
<b>Sent:</b> Thursday, September 10, 2009 2:57 PM<br>
<b>To:</b> Quad List<br>
<b>Subject:</b> Re: [QuadList] Rebuilding RCA TR-600s - Success</span><o:p></o:p></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<div>
<div>
<p class=MsoNormal>On Sep 10, 2009, at 4:39 PM, John Walko wrote:<o:p></o:p></p>
</div>
<p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p>
<div>
<div>
<div>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Rob:</span><span style='color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> </span><span style='color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>When first starting the tape, the tension arms have some minor
oscillation, but once the tape locks up, they remain pretty much
centered. </span><span style='color:black'><o:p></o:p></span></p>
</div>
</div>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<p class=MsoNormal>If I'm not mistaken, there's a feedback loop in lockup back
to the arms and it was my first experience with the whole idea of Phase Lock
Loop. (vague recall could be wrong)<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p>
<div>
<div>
<div>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>The one issue I noticed is if the supply reel is full (just
starting playback) and the take up reel is empty, we have more tension
issues. Spot reels are a lot easier to work with. </span><span
style='color:black'><o:p></o:p></span></p>
</div>
</div>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<p class=MsoNormal>the less mass in consideration, the faster the feedback loop
for lockup? <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal>I remember with large reels and mass a lot of slewing, and
then sometimes <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal>the eventual drop of a loop and stop, but I don't think I
ever broke a tape on a 600.<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<div>
<p class=MsoNormal>Sometime it would be interesting to recall the Kafkaesque
times when after 12 hours of dubbing one would blow a hole in a master for
which there was no protection copy... <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p>
<div>
<div>
<div>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>We are trying to match reel sizes as closely as possible…but are
having trouble because we don’t have a take up reel as large as a one-hour
supply reel. We will need to get one.</span><span style='color:black'><o:p></o:p></span></p>
</div>
</div>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<p class=MsoNormal>and you're not even into the 90s yet :)<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<div>
<blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'>
<div>
<div>
<div>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>We backed off slightly and are adjusting the tension to try to
keep the arms centered between the two stops.</span><span style='color:black'><o:p></o:p></span></p>
</div>
</div>
</div>
</blockquote>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<p class=MsoNormal>there's an art to this, and there might have been some mods
to introduce wider tolerances to the PLL circuit(s)...<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<div>
<p class=MsoNormal>There was an engineer at Unitel, Rex Chookolingo, whom I might
be able to find who used to tune my TR600s. He was on the TIG not long
ago... <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<div>
<p class=MsoNormal>but I think there are also several already here who have the
Knowledge.<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p>
<div>
<div>
<div>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> Regarding maximizing the RF envelope, the video just seems
to look better when running in manual.</span><span style='color:black'><o:p></o:p></span></p>
</div>
</div>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<p class=MsoNormal>sounds right.<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
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<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Lucida Grande";
color:black'>-- <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Lucida Grande";
color:black'>Rob Lingelbach<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Lucida Grande";
color:black'><a href="mailto:rob@colorist.org">rob@colorist.org</a><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Lucida Grande";
color:black'><o:p> </o:p></span></p>
</div>
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<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Lucida Grande";
color:black'><o:p> </o:p></span></p>
</div>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Lucida Grande";
color:black'><o:p> </o:p></span></p>
</div>
<p class=MsoNormal><span style='font-size:13.5pt;font-family:"Lucida Grande";
color:black'><o:p> </o:p></span></p>
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<p class=MsoNormal><span style='font-size:13.5pt;font-family:"Lucida Grande";
color:black'><o:p> </o:p></span></p>
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<p class=MsoNormal><span style='font-size:13.5pt;font-family:"Lucida Grande";
color:black'><o:p> </o:p></span></p>
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<p class=MsoNormal><span style='font-size:13.5pt;font-family:"Lucida Grande";
color:black'><o:p> </o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><br>
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