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	Comments on: Car Battery Charger Repaired	</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: Tony		</title>
		<link>https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-309762</link>

		<dc:creator><![CDATA[Tony]]></dc:creator>
		<pubDate>Sat, 25 Feb 2017 20:26:18 +0000</pubDate>
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					<description><![CDATA[Hi I have just fuond this problem on the same unit. I find the( The 0.05 resister open circuit )Many thanks for the various solution for the repair.]]></description>
			<content:encoded><![CDATA[<p>Hi I have just fuond this problem on the same unit. I find the( The 0.05 resister open circuit )Many thanks for the various solution for the repair.</p>
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		<title>
		By: Juwel		</title>
		<link>https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-289741</link>

		<dc:creator><![CDATA[Juwel]]></dc:creator>
		<pubDate>Thu, 26 May 2016 23:35:04 +0000</pubDate>
		<guid isPermaLink="false">https://www.jestineyong.com/?p=9931#comment-289741</guid>

					<description><![CDATA[Would anybody post the transistor lists of Ring RCB320 Battery charger ?
One transistor missed from circuit board for corrosion.
Thanks ahead.]]></description>
			<content:encoded><![CDATA[<p>Would anybody post the transistor lists of Ring RCB320 Battery charger ?<br />
One transistor missed from circuit board for corrosion.<br />
Thanks ahead.</p>
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		<title>
		By: Albert		</title>
		<link>https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-243431</link>

		<dc:creator><![CDATA[Albert]]></dc:creator>
		<pubDate>Sat, 11 Jul 2015 09:13:25 +0000</pubDate>
		<guid isPermaLink="false">https://www.jestineyong.com/?p=9931#comment-243431</guid>

					<description><![CDATA[In reply to &lt;a href=&quot;https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-243342&quot;&gt;Robert Calk&lt;/a&gt;.

Yes Robert, I have asked Jestine if it would be possible to add that option in near future. But until then he needs to clear our errors  for us.
Albert.]]></description>
			<content:encoded><![CDATA[<p>In reply to <a href="https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-243342">Robert Calk</a>.</p>
<p>Yes Robert, I have asked Jestine if it would be possible to add that option in near future. But until then he needs to clear our errors  for us.<br />
Albert.</p>
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		<title>
		By: Robert Calk		</title>
		<link>https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-243342</link>

		<dc:creator><![CDATA[Robert Calk]]></dc:creator>
		<pubDate>Fri, 10 Jul 2015 17:27:11 +0000</pubDate>
		<guid isPermaLink="false">https://www.jestineyong.com/?p=9931#comment-243342</guid>

					<description><![CDATA[In reply to &lt;a href=&quot;https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-243341&quot;&gt;Robert Calk&lt;/a&gt;.

Yeah it would be nice if we had an edit function so we could correct our comments.]]></description>
			<content:encoded><![CDATA[<p>In reply to <a href="https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-243341">Robert Calk</a>.</p>
<p>Yeah it would be nice if we had an edit function so we could correct our comments.</p>
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		<title>
		By: Robert Calk		</title>
		<link>https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-243341</link>

		<dc:creator><![CDATA[Robert Calk]]></dc:creator>
		<pubDate>Fri, 10 Jul 2015 17:24:14 +0000</pubDate>
		<guid isPermaLink="false">https://www.jestineyong.com/?p=9931#comment-243341</guid>

					<description><![CDATA[In reply to &lt;a href=&quot;https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-243047&quot;&gt;Albert&lt;/a&gt;.

Hi Albert. 
Yeah I made a mistake and hoped that I corrected it fast enough. Those batteries are built very well. I&#039;m glad that you are getting the correct battery. I hope you have no problems replacing it. Just be real careful taking the connectors loose from the PCB. I used a small screwdriver to gently pry up on the bottom of the connectors while pulling them with my other hand.
I think some old man had my scope boxed in the closet for a long time and his wife must have sold it after he passed away. It looks to be in mint condition and didn&#039;t even have a speck of dust inside it! It had not been used much.
I am happy that your scope is working well.]]></description>
			<content:encoded><![CDATA[<p>In reply to <a href="https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-243047">Albert</a>.</p>
<p>Hi Albert.<br />
Yeah I made a mistake and hoped that I corrected it fast enough. Those batteries are built very well. I'm glad that you are getting the correct battery. I hope you have no problems replacing it. Just be real careful taking the connectors loose from the PCB. I used a small screwdriver to gently pry up on the bottom of the connectors while pulling them with my other hand.<br />
I think some old man had my scope boxed in the closet for a long time and his wife must have sold it after he passed away. It looks to be in mint condition and didn't even have a speck of dust inside it! It had not been used much.<br />
I am happy that your scope is working well.</p>
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		<title>
		By: Albert		</title>
		<link>https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-243049</link>

		<dc:creator><![CDATA[Albert]]></dc:creator>
		<pubDate>Wed, 08 Jul 2015 17:21:03 +0000</pubDate>
		<guid isPermaLink="false">https://www.jestineyong.com/?p=9931#comment-243049</guid>

					<description><![CDATA[In reply to &lt;a href=&quot;https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-243047&quot;&gt;Albert&lt;/a&gt;.

Oops I did it again. (I soon need to replace my laptops old overused keyboard. Or watch those big old hands.)
I thought I wrote 1N5817 in above text but it shows wrongly 1N5815.
Albert.]]></description>
			<content:encoded><![CDATA[<p>In reply to <a href="https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-243047">Albert</a>.</p>
<p>Oops I did it again. (I soon need to replace my laptops old overused keyboard. Or watch those big old hands.)<br />
I thought I wrote 1N5817 in above text but it shows wrongly 1N5815.<br />
Albert.</p>
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		<title>
		By: Albert		</title>
		<link>https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-243048</link>

		<dc:creator><![CDATA[Albert]]></dc:creator>
		<pubDate>Wed, 08 Jul 2015 16:59:53 +0000</pubDate>
		<guid isPermaLink="false">https://www.jestineyong.com/?p=9931#comment-243048</guid>

					<description><![CDATA[In reply to &lt;a href=&quot;https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-242818&quot;&gt;Humberto&lt;/a&gt;.

I was first thinking to make some self made resistor from resistance wire used in heaters, but I couln&#039;t find any. Because the value in Ohms is so low it would be easy to make some kind of replacement &#039;coil&#039;. But then it probably was not easy to solder that type of wire.
Albert.]]></description>
			<content:encoded><![CDATA[<p>In reply to <a href="https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-242818">Humberto</a>.</p>
<p>I was first thinking to make some self made resistor from resistance wire used in heaters, but I couln't find any. Because the value in Ohms is so low it would be easy to make some kind of replacement 'coil'. But then it probably was not easy to solder that type of wire.<br />
Albert.</p>
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		<title>
		By: Albert		</title>
		<link>https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-243047</link>

		<dc:creator><![CDATA[Albert]]></dc:creator>
		<pubDate>Wed, 08 Jul 2015 16:53:59 +0000</pubDate>
		<guid isPermaLink="false">https://www.jestineyong.com/?p=9931#comment-243047</guid>

					<description><![CDATA[In reply to &lt;a href=&quot;https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-242856&quot;&gt;Robert Calk&lt;/a&gt;.

Hi Robert, I see you corrected your reply that you did say you put in a LTC-7PN Battery in your Tektronix 2465A DV. So far as I could see on the Photos in your article it was indeed a Black one from Mouser and those are the REAL originally LTC-7P 9 Gram types. And 7PN also fits easily in the place of the 7P on your Tek Board.

My replacement was the yellow metal canned 6 Gram LTC-7PN type without the internal Protection Diode 1N5815 + 1.6K Resistor.
If you look at their Datasheets and compare them you see what I mean. The Pins outline are identical but internally they aint!

And yes the Bargain Bros. Il. USA on Ebay now will send me the correct type 7P Battery. So these Batteries sure do still exist! But are often wrongly replaced by the 7PN type. I am very glad they Ship now one to me, because other American Firms simply refuse sending one single 9 Gram Battery or ask absurd high Shipping Prices ($95 US Dollar for special UPS Shipping only, plus Battery $15 US Dollar).
By-the-way: I read that your Scope only had run for about 1165 Hours in 30 years or so. Mine about 48thousend+873 Hours !! and was put On and switced Off about 1596 Times. The only bad thing on my scope is the green Channel 4 led that is weaker. But I&#039;m glad that everything works as precisely and as easily as it should. (FM 90.9 MHz is 90.9 MHz between its cursors ! No deviation at all)]]></description>
			<content:encoded><![CDATA[<p>In reply to <a href="https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-242856">Robert Calk</a>.</p>
<p>Hi Robert, I see you corrected your reply that you did say you put in a LTC-7PN Battery in your Tektronix 2465A DV. So far as I could see on the Photos in your article it was indeed a Black one from Mouser and those are the REAL originally LTC-7P 9 Gram types. And 7PN also fits easily in the place of the 7P on your Tek Board.</p>
<p>My replacement was the yellow metal canned 6 Gram LTC-7PN type without the internal Protection Diode 1N5815 + 1.6K Resistor.<br />
If you look at their Datasheets and compare them you see what I mean. The Pins outline are identical but internally they aint!</p>
<p>And yes the Bargain Bros. Il. USA on Ebay now will send me the correct type 7P Battery. So these Batteries sure do still exist! But are often wrongly replaced by the 7PN type. I am very glad they Ship now one to me, because other American Firms simply refuse sending one single 9 Gram Battery or ask absurd high Shipping Prices ($95 US Dollar for special UPS Shipping only, plus Battery $15 US Dollar).<br />
By-the-way: I read that your Scope only had run for about 1165 Hours in 30 years or so. Mine about 48thousend+873 Hours !! and was put On and switced Off about 1596 Times. The only bad thing on my scope is the green Channel 4 led that is weaker. But I'm glad that everything works as precisely and as easily as it should. (FM 90.9 MHz is 90.9 MHz between its cursors ! No deviation at all)</p>
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		<title>
		By: Robert Calk		</title>
		<link>https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-242874</link>

		<dc:creator><![CDATA[Robert Calk]]></dc:creator>
		<pubDate>Mon, 06 Jul 2015 19:44:01 +0000</pubDate>
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					<description><![CDATA[In reply to &lt;a href=&quot;https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-242856&quot;&gt;Robert Calk&lt;/a&gt;.

Oops, I was wrong - mine was the 7P. The 7PN won&#039;t fit right.
I found your comments on my articles.
I wonder if Mouser will ship to your country? The Keeper II batteries should be safe for air transport.]]></description>
			<content:encoded><![CDATA[<p>In reply to <a href="https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-242856">Robert Calk</a>.</p>
<p>Oops, I was wrong - mine was the 7P. The 7PN won't fit right.<br />
I found your comments on my articles.<br />
I wonder if Mouser will ship to your country? The Keeper II batteries should be safe for air transport.</p>
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		<title>
		By: Robert Calk		</title>
		<link>https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-242856</link>

		<dc:creator><![CDATA[Robert Calk]]></dc:creator>
		<pubDate>Mon, 06 Jul 2015 18:11:53 +0000</pubDate>
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					<description><![CDATA[In reply to &lt;a href=&quot;https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-242725&quot;&gt;Albert&lt;/a&gt;.

Hi Albert,
I&#039;m glad you are happy with your Tek 2465A scope. I have the 2465A DV, that has the built-in DMM. My scope also uses the LTC-7PN battery. So far I have not had any problems with it. I don&#039;t think they make the 7P anymore, but I don&#039;t remember exactly. You can refer to my article when you decide to put your new battery into your scope for assistance. 
I bought my battery from, http://www.mouser.com/
I can&#039;t wait to see one of your articles that has a picture of your new scope in it! Have fun.]]></description>
			<content:encoded><![CDATA[<p>In reply to <a href="https://jestineyong.com/car-battery-charger-repaired/comment-page-1/#comment-242725">Albert</a>.</p>
<p>Hi Albert,<br />
I'm glad you are happy with your Tek 2465A scope. I have the 2465A DV, that has the built-in DMM. My scope also uses the LTC-7PN battery. So far I have not had any problems with it. I don't think they make the 7P anymore, but I don't remember exactly. You can refer to my article when you decide to put your new battery into your scope for assistance.<br />
I bought my battery from, http://www.mouser.com/<br />
I can't wait to see one of your articles that has a picture of your new scope in it! Have fun.</p>
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