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<div>Hi, Chris,</div><div><br></div><div>Interesting that Gary Adams was talking about the capstan speed and editing at breakfast yesterday.</div><div><br class="webkit-block-placeholder"></div><div>Does the modification you listed here change or disable any 625-line functions?</div><div><br class="webkit-block-placeholder"></div><div>Ted</div><br><div><div>On Aug 23, 2009, at 7:59 AM, <a href="mailto:Chill315@aol.com">Chill315@aol.com</a> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><font id="role_document" face="Arial" color="#000000" size="2"> <div>VR-1200 B Series Inter-Sync 60 Hz Capstan Oscillator Modification</div> <div> </div> <div><br>This was given to me by someone a long time ago. It made life simpler.</div> <div> </div> <div>The capstan Oscillator is difficult to set and is critical for assemble edits. It sets the free run speed for the capstan. There is a simple modification that will provide the user with a course and fine adjustment pot for the oscillator.</div> <div> </div> <div>Remove Board 13 from the Inter-Sync.</div> <div> </div> <div>Find R-78, the 625 Capstan Frequency adjustment. </div> <div> </div> <div>Lift the wire that connects the end of the pot to Q-12 Collector. This is the end not connected to R-60, a 300K resistor.</div> <div> </div> <div>Attach wire disconnected to the End of R-20 that is not connected to R-38, a 20K resistor.</div> <div> </div> <div>Reinstall board</div> <div> </div> <div><br>TEST and Setup</div> <div> </div> <div>Center R-78</div> <div> </div> <div>Adjust Capstan Oscillator using R-20.</div> <div> </div> <div>From now on only use R-78 for Capstan Frequency Adjustment unless pot is near the end of range. Then re-center and set Oscillator with R-20.</div> <div> </div> <div>R-20 is now the COURSE adjustment and R-78 is the FINE adjustment.</div></font><div class="aol_ad_footer" id="e66e1d4d38e140b35426bba4a693badb"><br><font style="color:black;font:normal 10pt arial,san-serif;"> <hr style="margin-top:10px"></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">_______________________________________________</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Please trim posts to relevant info when replying!</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Send QuadList list posts to <a href="mailto:QuadList@quadvideotapegroup.com">QuadList@quadvideotapegroup.com</a></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Your subscribe, unsubscribe and digest options are here:</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><a href="http://mail.quadvideotapegroup.com/mailman/listinfo/quadlist_quadvideotapegroup.com">http://mail.quadvideotapegroup.com/mailman/listinfo/quadlist_quadvideotapegroup.com</a></div> </blockquote></div><br><div> <span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; ">Ted Langdell</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; ">Secretary</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" color="#0018ea" style="font: normal normal normal 12px/normal Helvetica; color: rgb(0, 24, 234); "></font></div></div></span> </div><br></body></html>