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<?xml-stylesheet type="text/xsl" href="https://devzone.nordicsemi.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>How to fix a damaged PCA10028?</title><link>https://devzone.nordicsemi.com/f/nordic-q-a/78648/how-to-fix-a-damaged-pca10028</link><description>I suspect the EXT_SWCLK/DIO and SH_SWCLK/DIO pins on the SEGGER chips of the PCA10028 were burned. Is there anyway I can fix it? I have three of them behaving the same way. 
 I&amp;#39;ve been using the PCA10028 to debug my external boards via P19 or P20 for</description><dc:language>en-US</dc:language><generator>Telligent Community 13</generator><lastBuildDate>Fri, 20 Aug 2021 12:26:53 GMT</lastBuildDate><atom:link rel="self" type="application/rss+xml" href="https://devzone.nordicsemi.com/f/nordic-q-a/78648/how-to-fix-a-damaged-pca10028" /><item><title>RE: How to fix a damaged PCA10028?</title><link>https://devzone.nordicsemi.com/thread/325963?ContentTypeID=1</link><pubDate>Fri, 20 Aug 2021 12:26:53 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:e822bced-0f61-416f-bf45-a248bb1f2740</guid><dc:creator>H&amp;#229;kon Alseth</dc:creator><description>&lt;p&gt;Hi,&lt;/p&gt;
&lt;p&gt;&amp;nbsp;&lt;/p&gt;
[quote user=""]PS. I also have four PCA10028 that won&amp;#39;t power up and a preliminary investigation shows the AP7333 was burnt but it won&amp;#39;t fix the issue with replacing the LDO.[/quote]
&lt;p&gt;It sounds like a serious ESD/overvoltage or current events has occurred on these DKs, which can have damaged several components in the DK itself. I would recommend that you get a dedicated programmer for future use.&lt;/p&gt;
&lt;p&gt;&amp;nbsp;&lt;/p&gt;
&lt;p&gt;Kind regards,&lt;/p&gt;
&lt;p&gt;Håkon&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>