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	Comments on: Servicing Yamaha TC520 Tape  Deck	</title>
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	<description>Semiconductors, Test Equipments, Circuit Board Troubleshooting, Electronic Repair Courses and Many More!</description>
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		<title>
		By: Sam		</title>
		<link>https://jestineyong.com/servicing-yamaha-tc520-tape-deck/comment-page-1/#comment-365934</link>

		<dc:creator><![CDATA[Sam]]></dc:creator>
		<pubDate>Mon, 10 Feb 2020 06:46:35 +0000</pubDate>
		<guid isPermaLink="false">https://jestineyong.com/?p=17677#comment-365934</guid>

					<description><![CDATA[In reply to &lt;a href=&quot;https://jestineyong.com/servicing-yamaha-tc520-tape-deck/comment-page-1/#comment-341642&quot;&gt;Albert van Bemmelen&lt;/a&gt;.

A professional will not do this as it make a belt system with high wow and flutter. New belts of the right size are typically available and to cut a old belt and glue it is irresponsible. Yes it might move the tape but with what wow and flutter values and this I suspect he never measured it. These old decks are poor in wow and flutter values to start and this would make it worse. This guy has a whole lot to learn about deck repair.]]></description>
			<content:encoded><![CDATA[<p>In reply to <a href="https://jestineyong.com/servicing-yamaha-tc520-tape-deck/comment-page-1/#comment-341642">Albert van Bemmelen</a>.</p>
<p>A professional will not do this as it make a belt system with high wow and flutter. New belts of the right size are typically available and to cut a old belt and glue it is irresponsible. Yes it might move the tape but with what wow and flutter values and this I suspect he never measured it. These old decks are poor in wow and flutter values to start and this would make it worse. This guy has a whole lot to learn about deck repair.</p>
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		<title>
		By: Parasuraman S		</title>
		<link>https://jestineyong.com/servicing-yamaha-tc520-tape-deck/comment-page-1/#comment-342018</link>

		<dc:creator><![CDATA[Parasuraman S]]></dc:creator>
		<pubDate>Sat, 15 Sep 2018 13:33:56 +0000</pubDate>
		<guid isPermaLink="false">https://jestineyong.com/?p=17677#comment-342018</guid>

					<description><![CDATA[In reply to &lt;a href=&quot;https://jestineyong.com/servicing-yamaha-tc520-tape-deck/comment-page-1/#comment-341814&quot;&gt;Albert van Bemmelen&lt;/a&gt;.

You have got it wrong there. The two ends of the cut belt should never be stuck on top another. This will make a lump on the belt which will produce wobbling sound while playing and recording. Both ends should be kept just touching each other as close as possible, but not to cause a bend. Then apply one drop of superglue. That&#039;s all! It will bond the two ends and will not come off!]]></description>
			<content:encoded><![CDATA[<p>In reply to <a href="https://jestineyong.com/servicing-yamaha-tc520-tape-deck/comment-page-1/#comment-341814">Albert van Bemmelen</a>.</p>
<p>You have got it wrong there. The two ends of the cut belt should never be stuck on top another. This will make a lump on the belt which will produce wobbling sound while playing and recording. Both ends should be kept just touching each other as close as possible, but not to cause a bend. Then apply one drop of superglue. That's all! It will bond the two ends and will not come off!</p>
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		<title>
		By: Albert van Bemmelen		</title>
		<link>https://jestineyong.com/servicing-yamaha-tc520-tape-deck/comment-page-1/#comment-341814</link>

		<dc:creator><![CDATA[Albert van Bemmelen]]></dc:creator>
		<pubDate>Thu, 13 Sep 2018 09:58:20 +0000</pubDate>
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					<description><![CDATA[In reply to &lt;a href=&quot;https://jestineyong.com/servicing-yamaha-tc520-tape-deck/comment-page-1/#comment-341740&quot;&gt;Parasuraman S&lt;/a&gt;.

Understood Parasuraman! Thanks, I remembered that you had commented before on gluing belts but I never tried it myself. Also because there are too many different sorts of Super Glue that make it harder to find the right one too. And in order to glue belts together they also need to be longer than the original belt to overlap each other and the rubber must still be in good condition. But most of the times the original rubber of the belt is just gone. Recently I tried to fix an old Wangtek rubber wheel that runs the tapes by removing the completely deteriorated original wheel and took the wheel from another old Wangtek Tapestreamer that was still good. But in a few days after the fix the replacement rubber had turned into sticky oil inside the tray. These rubber parts become completely instable after 30 years or so. And on top of that also the original Everex EV-811 rev.B ISA Tapestreamer driver card became invisible to my old Windows Desktop PC. Four Pals (3 x 16L8 and 1 20x10) on the ISA card must have lost their firmware after 30 years too. I tried to read the 16L8 PAL&#039;s with my special made PALdumper adapter but 2 of them gave verify errors. The other 2 including the 20x10 were still fine! So I gave up on the device and my 30 or so tapes. Too much parts failed to recover the device!]]></description>
			<content:encoded><![CDATA[<p>In reply to <a href="https://jestineyong.com/servicing-yamaha-tc520-tape-deck/comment-page-1/#comment-341740">Parasuraman S</a>.</p>
<p>Understood Parasuraman! Thanks, I remembered that you had commented before on gluing belts but I never tried it myself. Also because there are too many different sorts of Super Glue that make it harder to find the right one too. And in order to glue belts together they also need to be longer than the original belt to overlap each other and the rubber must still be in good condition. But most of the times the original rubber of the belt is just gone. Recently I tried to fix an old Wangtek rubber wheel that runs the tapes by removing the completely deteriorated original wheel and took the wheel from another old Wangtek Tapestreamer that was still good. But in a few days after the fix the replacement rubber had turned into sticky oil inside the tray. These rubber parts become completely instable after 30 years or so. And on top of that also the original Everex EV-811 rev.B ISA Tapestreamer driver card became invisible to my old Windows Desktop PC. Four Pals (3 x 16L8 and 1 20x10) on the ISA card must have lost their firmware after 30 years too. I tried to read the 16L8 PAL's with my special made PALdumper adapter but 2 of them gave verify errors. The other 2 including the 20x10 were still fine! So I gave up on the device and my 30 or so tapes. Too much parts failed to recover the device!</p>
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		<title>
		By: Parasuraman S		</title>
		<link>https://jestineyong.com/servicing-yamaha-tc520-tape-deck/comment-page-1/#comment-341740</link>

		<dc:creator><![CDATA[Parasuraman S]]></dc:creator>
		<pubDate>Wed, 12 Sep 2018 11:35:32 +0000</pubDate>
		<guid isPermaLink="false">https://jestineyong.com/?p=17677#comment-341740</guid>

					<description><![CDATA[In reply to &lt;a href=&quot;https://jestineyong.com/servicing-yamaha-tc520-tape-deck/comment-page-1/#comment-341642&quot;&gt;Albert van Bemmelen&lt;/a&gt;.

I have done this many times, and shared in this forum too, in the past. It works just fine for years! In fact I had even explained in one of my Tape Deck services that the Super Glue melts the surfaces and joins.  That&#039;s why it stays without getting cut.   Whereas, Fevibond would not work, as it only sticks because of the gum.   Moreover, it might form a lump.  But Superglue will not, if handled carefully.  This sticking of Belt requires some amount of experience.  We need to practice on a few, before we can venture on it.]]></description>
			<content:encoded><![CDATA[<p>In reply to <a href="https://jestineyong.com/servicing-yamaha-tc520-tape-deck/comment-page-1/#comment-341642">Albert van Bemmelen</a>.</p>
<p>I have done this many times, and shared in this forum too, in the past. It works just fine for years! In fact I had even explained in one of my Tape Deck services that the Super Glue melts the surfaces and joins.  That's why it stays without getting cut.   Whereas, Fevibond would not work, as it only sticks because of the gum.   Moreover, it might form a lump.  But Superglue will not, if handled carefully.  This sticking of Belt requires some amount of experience.  We need to practice on a few, before we can venture on it.</p>
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		<title>
		By: Robert Calk Jr.		</title>
		<link>https://jestineyong.com/servicing-yamaha-tc520-tape-deck/comment-page-1/#comment-341661</link>

		<dc:creator><![CDATA[Robert Calk Jr.]]></dc:creator>
		<pubDate>Tue, 11 Sep 2018 15:13:24 +0000</pubDate>
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					<description><![CDATA[Good job, Parasuraman. Another device saved from the garbage.]]></description>
			<content:encoded><![CDATA[<p>Good job, Parasuraman. Another device saved from the garbage.</p>
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		<title>
		By: Justice		</title>
		<link>https://jestineyong.com/servicing-yamaha-tc520-tape-deck/comment-page-1/#comment-341653</link>

		<dc:creator><![CDATA[Justice]]></dc:creator>
		<pubDate>Tue, 11 Sep 2018 13:11:36 +0000</pubDate>
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					<description><![CDATA[Excellent work, thanks Parasuraman.]]></description>
			<content:encoded><![CDATA[<p>Excellent work, thanks Parasuraman.</p>
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		<title>
		By: Andre Gopee		</title>
		<link>https://jestineyong.com/servicing-yamaha-tc520-tape-deck/comment-page-1/#comment-341651</link>

		<dc:creator><![CDATA[Andre Gopee]]></dc:creator>
		<pubDate>Tue, 11 Sep 2018 13:06:12 +0000</pubDate>
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					<description><![CDATA[Nice Job Mr. Parasuraman. its good to see one of these old players brought back to life. Thanks for sharing.]]></description>
			<content:encoded><![CDATA[<p>Nice Job Mr. Parasuraman. its good to see one of these old players brought back to life. Thanks for sharing.</p>
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		<title>
		By: Albert van Bemmelen		</title>
		<link>https://jestineyong.com/servicing-yamaha-tc520-tape-deck/comment-page-1/#comment-341642</link>

		<dc:creator><![CDATA[Albert van Bemmelen]]></dc:creator>
		<pubDate>Tue, 11 Sep 2018 10:42:17 +0000</pubDate>
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					<description><![CDATA[Always learning new Audio stuff from you. Never knew it is possible to glue together a rubber capstan belt. I mean I know we can glue it together but didn&#039;t know it still would play and run without giving any wrong audio consequences.]]></description>
			<content:encoded><![CDATA[<p>Always learning new Audio stuff from you. Never knew it is possible to glue together a rubber capstan belt. I mean I know we can glue it together but didn't know it still would play and run without giving any wrong audio consequences.</p>
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