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<channel>
	<title>TubeSound &#187; repair</title>
	<atom:link href="http://tubesound.com/tag/repair/feed/" rel="self" type="application/rss+xml" />
	<link>http://tubesound.com</link>
	<description>Vintage Audio Sales and Service</description>
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		<item>
		<title>HP Laserjet 4L &#8211; 4P refurb and repair</title>
		<link>http://tubesound.com/2010/04/29/hp-laserjet-4l-4p-refurb-and-repair/</link>
		<comments>http://tubesound.com/2010/04/29/hp-laserjet-4l-4p-refurb-and-repair/#comments</comments>
		<pubDate>Thu, 29 Apr 2010 15:48:31 +0000</pubDate>
		<dc:creator>Bob</dc:creator>
				<category><![CDATA[Blog]]></category>
		<category><![CDATA[4l]]></category>
		<category><![CDATA[4p]]></category>
		<category><![CDATA[HP]]></category>
		<category><![CDATA[laserjet]]></category>
		<category><![CDATA[repair]]></category>

		<guid isPermaLink="false">http://tubesound.com/?p=792</guid>
		<description><![CDATA[by Bob Putnak, ©2010. Of all the subjects that I have discussed, I receive the most inquiries about my HP Officejet &#8220;scanner system failure&#8221; repair article.  That article also fondly mentions the old-school Laserjet&#8217;s, and I had several inquiries about repairing them.  These old dinosaurs are still useful to any small business that prints traditional [...]]]></description>
		<wfw:commentRss>http://tubesound.com/2010/04/29/hp-laserjet-4l-4p-refurb-and-repair/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Hickok 6000 calibration</title>
		<link>http://tubesound.com/2010/04/28/hickok-6000-calibration/</link>
		<comments>http://tubesound.com/2010/04/28/hickok-6000-calibration/#comments</comments>
		<pubDate>Wed, 28 Apr 2010 15:29:41 +0000</pubDate>
		<dc:creator>Bob</dc:creator>
				<category><![CDATA[Tube Testers]]></category>
		<category><![CDATA[6000]]></category>
		<category><![CDATA[6000A]]></category>
		<category><![CDATA[6005]]></category>
		<category><![CDATA[calibration]]></category>
		<category><![CDATA[Hickok]]></category>
		<category><![CDATA[repair]]></category>
		<category><![CDATA[tube tester]]></category>

		<guid isPermaLink="false">http://tubesound.com/?p=756</guid>
		<description><![CDATA[This article discusses repair and calibration of the Hickok 6000 tube tester. Models 6000A and 6005 are the same with only minor feature differences that are not relevant to tube test calibration, therefore the discussion is applicable to those models as well. Serious electrical voltages are present, repairs should only be attempted by a qualified [...]]]></description>
		<wfw:commentRss>http://tubesound.com/2010/04/28/hickok-6000-calibration/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>B&amp;K 600-606 tube tester</title>
		<link>http://tubesound.com/2010/01/25/bk-600-606-tube-tester/</link>
		<comments>http://tubesound.com/2010/01/25/bk-600-606-tube-tester/#comments</comments>
		<pubDate>Mon, 25 Jan 2010 22:02:16 +0000</pubDate>
		<dc:creator>Bob</dc:creator>
				<category><![CDATA[Tube Testers]]></category>
		<category><![CDATA[600]]></category>
		<category><![CDATA[606]]></category>
		<category><![CDATA[B&K]]></category>
		<category><![CDATA[B-K]]></category>
		<category><![CDATA[calibration]]></category>
		<category><![CDATA[repair]]></category>
		<category><![CDATA[tube checker]]></category>
		<category><![CDATA[tube tester]]></category>

		<guid isPermaLink="false">http://tubesound.com/?p=711</guid>
		<description><![CDATA[This article discusses repair and calibration of the B&#38;K 600 / 606  tube testers.  Both models can share the same tube setup data book, and therefore both models are functionally equivalent.    Model 606 will be example shown in this article.  Electrical voltages are present, repairs should only be attempted by a qualified technician. Copyrighted [...]]]></description>
		<wfw:commentRss>http://tubesound.com/2010/01/25/bk-600-606-tube-tester/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Precision Apparatus 10-series tube tester</title>
		<link>http://tubesound.com/2009/09/21/precision-apparatus-10-12-tube-tester/</link>
		<comments>http://tubesound.com/2009/09/21/precision-apparatus-10-12-tube-tester/#comments</comments>
		<pubDate>Mon, 21 Sep 2009 22:36:26 +0000</pubDate>
		<dc:creator>Bob</dc:creator>
				<category><![CDATA[Tube Testers]]></category>
		<category><![CDATA[10-12]]></category>
		<category><![CDATA[A-15]]></category>
		<category><![CDATA[calibration]]></category>
		<category><![CDATA[G-140]]></category>
		<category><![CDATA[Paco]]></category>
		<category><![CDATA[Precision]]></category>
		<category><![CDATA[Precision Apparatus]]></category>
		<category><![CDATA[repair]]></category>
		<category><![CDATA[socket adapter]]></category>
		<category><![CDATA[tube tester]]></category>

		<guid isPermaLink="false">http://tubesound.com/?p=610</guid>
		<description><![CDATA[This article discusses repair and my calibration procedure of the Precision model 10-12  tube tester.   Serious electrical voltages are present, repairs should only be attempted by a qualified technician. Copyrighted by Bob Putnak, all rights reserved. Introduction The Precision Apparatus Company (commonly known as PACO) manufactured some very high quality test equipment.  Among their offerings [...]]]></description>
		<wfw:commentRss>http://tubesound.com/2009/09/21/precision-apparatus-10-12-tube-tester/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Signal Corp I-177 tube tester calibration</title>
		<link>http://tubesound.com/2009/09/07/signal-corp-i-177-tube-tester-calibration/</link>
		<comments>http://tubesound.com/2009/09/07/signal-corp-i-177-tube-tester-calibration/#comments</comments>
		<pubDate>Mon, 07 Sep 2009 18:34:00 +0000</pubDate>
		<dc:creator>Bob</dc:creator>
				<category><![CDATA[Tube Testers]]></category>
		<category><![CDATA[calibration]]></category>
		<category><![CDATA[I-177]]></category>
		<category><![CDATA[repair]]></category>
		<category><![CDATA[signal corp]]></category>
		<category><![CDATA[tube checker]]></category>
		<category><![CDATA[tube tester]]></category>

		<guid isPermaLink="false">http://tubesound.com/?p=584</guid>
		<description><![CDATA[This article discusses repair and calibration of the Signal Corp I-177  tube tester.   Serious electrical voltages are present, repairs should only be attempted by a qualified technician. Copyrighted by Bob Putnak, all rights reserved. Introduction Model I-177 is a very old US Military dynamic mutual conductance tube tester that was used during World War II [...]]]></description>
		<wfw:commentRss>http://tubesound.com/2009/09/07/signal-corp-i-177-tube-tester-calibration/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>B&amp;K 607 &#8211; 667 Tube Tester</title>
		<link>http://tubesound.com/2009/07/24/bk-607-667-tube-tester/</link>
		<comments>http://tubesound.com/2009/07/24/bk-607-667-tube-tester/#comments</comments>
		<pubDate>Fri, 24 Jul 2009 22:59:02 +0000</pubDate>
		<dc:creator>Bob</dc:creator>
				<category><![CDATA[Tube Testers]]></category>
		<category><![CDATA[607]]></category>
		<category><![CDATA[667]]></category>
		<category><![CDATA[B&K]]></category>
		<category><![CDATA[calibration]]></category>
		<category><![CDATA[repair]]></category>
		<category><![CDATA[tube checker]]></category>
		<category><![CDATA[tube tester]]></category>

		<guid isPermaLink="false">http://tubesound.com/?p=527</guid>
		<description><![CDATA[This article discusses the solid-state B&#38;K 607 / 667  tube testers.  Both models use the same tube setup data book, and therefore both models are functionally equivalent.    Model 607 will be example shown in this article.  Electrical voltages are present, repairs should only be attempted by a qualified technician. Copyrighted, all rights reserved. This [...]]]></description>
		<wfw:commentRss>http://tubesound.com/2009/07/24/bk-607-667-tube-tester/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Repairing HP Officejet R-series</title>
		<link>http://tubesound.com/2009/05/28/repairing-hp-officejet-r-series/</link>
		<comments>http://tubesound.com/2009/05/28/repairing-hp-officejet-r-series/#comments</comments>
		<pubDate>Thu, 28 May 2009 19:27:43 +0000</pubDate>
		<dc:creator>Bob</dc:creator>
				<category><![CDATA[Blog]]></category>
		<category><![CDATA[bulb]]></category>
		<category><![CDATA[HP]]></category>
		<category><![CDATA[Officejet]]></category>
		<category><![CDATA[R40]]></category>
		<category><![CDATA[R40xi]]></category>
		<category><![CDATA[R60]]></category>
		<category><![CDATA[R60xi]]></category>
		<category><![CDATA[R80]]></category>
		<category><![CDATA[R80xi]]></category>
		<category><![CDATA[repair]]></category>
		<category><![CDATA[scanner system failure]]></category>

		<guid isPermaLink="false">http://tubesound.com/?p=518</guid>
		<description><![CDATA[As a fan of vintage tube equipment, it should come as no surprise that I prefer older quality computer equipment.  In this article, I explain how to repair &#8220;Scanner System Failure&#8221; problems in a vintage HP Officejet R-series multifunction scanner-printer.  Model R40xi is shown in the photos, but all models (R40, R40xi, R60, R60xi, R80, [...]]]></description>
		<wfw:commentRss>http://tubesound.com/2009/05/28/repairing-hp-officejet-r-series/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Repair &amp; calibration NRI 70 Tube Tester</title>
		<link>http://tubesound.com/2008/11/23/repair-calibration-nri-70-tube-tester/</link>
		<comments>http://tubesound.com/2008/11/23/repair-calibration-nri-70-tube-tester/#comments</comments>
		<pubDate>Sun, 23 Nov 2008 22:08:09 +0000</pubDate>
		<dc:creator>Bob</dc:creator>
				<category><![CDATA[Tube Testers]]></category>
		<category><![CDATA[70]]></category>
		<category><![CDATA[calibration]]></category>
		<category><![CDATA[NRI]]></category>
		<category><![CDATA[repair]]></category>
		<category><![CDATA[tester]]></category>
		<category><![CDATA[tube]]></category>
		<category><![CDATA[tube tester]]></category>

		<guid isPermaLink="false">http://tubesound.com/?p=369</guid>
		<description><![CDATA[This article will discuss repair and calibration of the NRI Professional model 70 tube tester. High voltages are present, repairs should only be attempted by a qualified technician. Copyrighted, all rights reserved. Introduction Built by Precision Apparatus Co for NRI, the high-quality craftsmanship of the NRI Professional model 70 tube tester is readily apparent. It [...]]]></description>
		<wfw:commentRss>http://tubesound.com/2008/11/23/repair-calibration-nri-70-tube-tester/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Capacitor Tester repair-calibration</title>
		<link>http://tubesound.com/2008/08/23/rc-testers/</link>
		<comments>http://tubesound.com/2008/08/23/rc-testers/#comments</comments>
		<pubDate>Sat, 23 Aug 2008 16:44:38 +0000</pubDate>
		<dc:creator>Bob</dc:creator>
				<category><![CDATA[Test Equipment]]></category>
		<category><![CDATA[950]]></category>
		<category><![CDATA[950A]]></category>
		<category><![CDATA[950B]]></category>
		<category><![CDATA[bridge]]></category>
		<category><![CDATA[C-2]]></category>
		<category><![CDATA[C-3]]></category>
		<category><![CDATA[calibration]]></category>
		<category><![CDATA[capacitance]]></category>
		<category><![CDATA[capacitor checker]]></category>
		<category><![CDATA[capacitor tester]]></category>
		<category><![CDATA[comparator]]></category>
		<category><![CDATA[EICO]]></category>
		<category><![CDATA[Heathkit]]></category>
		<category><![CDATA[KG-670]]></category>
		<category><![CDATA[Knight]]></category>
		<category><![CDATA[Paco]]></category>
		<category><![CDATA[Precision Apparatus]]></category>
		<category><![CDATA[R/C Tester]]></category>
		<category><![CDATA[rebuilt]]></category>
		<category><![CDATA[repair]]></category>
		<category><![CDATA[resistance]]></category>

		<guid isPermaLink="false">http://tubesound.com/?p=303</guid>
		<description><![CDATA[(©2008 Bob Putnak, all rights reserved.)  This article discusses repair and calibration information for a number of vintage capacitor testers that all use the same fundamental test circuit.   The article currently covers the EICO 950-series, PACO C-20, Knight KG-670, Heathkit C-2 and C-3, etc.  (More models will be added on an ongoing basis as I [...]]]></description>
		<wfw:commentRss>http://tubesound.com/2008/08/23/rc-testers/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Repair &amp; calibration Sencore Mighty Mite</title>
		<link>http://tubesound.com/2008/08/12/repair-calibration-sencore-mighty-mite/</link>
		<comments>http://tubesound.com/2008/08/12/repair-calibration-sencore-mighty-mite/#comments</comments>
		<pubDate>Wed, 13 Aug 2008 02:55:19 +0000</pubDate>
		<dc:creator>Bob</dc:creator>
				<category><![CDATA[Tube Testers]]></category>
		<category><![CDATA[calibration]]></category>
		<category><![CDATA[checker]]></category>
		<category><![CDATA[Mighty Mite]]></category>
		<category><![CDATA[repair]]></category>
		<category><![CDATA[Sencore]]></category>
		<category><![CDATA[TC-130]]></category>
		<category><![CDATA[TC-136]]></category>
		<category><![CDATA[TC-142]]></category>
		<category><![CDATA[TC130]]></category>
		<category><![CDATA[TC136]]></category>
		<category><![CDATA[TC142]]></category>
		<category><![CDATA[tester]]></category>
		<category><![CDATA[tube]]></category>
		<category><![CDATA[tube checker]]></category>
		<category><![CDATA[tube tester]]></category>

		<guid isPermaLink="false">http://tubesound.com/?p=247</guid>
		<description><![CDATA[This article discusses repair and calibration of the older tube-based Sencore Mighty Mite tube testers that use the 12AU7A tube inside, such as model TC130, TC136, and TC142. I will also discuss the most common problem that causes &#8220;faulty&#8221; Grid Leakage detection. High voltages are present, repairs should only be attempted by a qualified technician. [...]]]></description>
		<wfw:commentRss>http://tubesound.com/2008/08/12/repair-calibration-sencore-mighty-mite/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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