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<div dir="ltr" data-setdir="false">Yep see those blackened socketed TIs all the time especially in OB-X/Xas.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Doug <br></div><div dir="ltr" data-setdir="false">synthparts.com<br></div><div><br></div>
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On Sunday, November 1, 2020, 3:03:36 PM PST, KA4HJH <ka4hjh@gmail.com> wrote:
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<div><div id="ydp8af52843yiv2906015250"><div><br class="ydp8af52843yiv2906015250" clear="none"><div><blockquote class="ydp8af52843yiv2906015250" type="cite"><div class="ydp8af52843yiv2906015250yqt4525687433" id="ydp8af52843yiv2906015250yqtfd67861"><div class="ydp8af52843yiv2906015250">On Nov 1, 2020, at 5:26 PM, Kenny Balys <<a shape="rect" class="ydp8af52843yiv2906015250" href="mailto:kenny@beatkamp.com" rel="nofollow" target="_blank">kenny@beatkamp.com</a>> wrote:</div><div class="ydp8af52843yiv2906015250"><br class="ydp8af52843yiv2906015250" style="font-family: Helvetica; font-size: 14px; font-style: normal; font-weight: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration-line: none; text-decoration-style: solid; text-decoration-color: currentcolor;" clear="none"><span class="ydp8af52843yiv2906015250" style="font-family: Helvetica; font-size: 14px; font-style: normal; font-weight: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration-line: none; text-decoration-style: solid; text-decoration-color: currentcolor; float: none; display: inline !important;">Yes!!!!!</span><br class="ydp8af52843yiv2906015250" style="font-family: Helvetica; font-size: 14px; font-style: normal; font-weight: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration-line: none; text-decoration-style: solid; text-decoration-color: currentcolor;" clear="none"><br class="ydp8af52843yiv2906015250" style="font-family: Helvetica; font-size: 14px; font-style: normal; font-weight: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration-line: none; text-decoration-style: solid; text-decoration-color: currentcolor;" clear="none"><span class="ydp8af52843yiv2906015250" style="font-family: Helvetica; font-size: 14px; font-style: normal; font-weight: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration-line: none; text-decoration-style: solid; text-decoration-color: currentcolor; float: none; display: inline !important;">They were both TI and the device was manufactured in 1979.</span><br class="ydp8af52843yiv2906015250" style="font-family: Helvetica; font-size: 14px; font-style: normal; font-weight: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration-line: none; text-decoration-style: solid; text-decoration-color: currentcolor;" clear="none"><br class="ydp8af52843yiv2906015250" style="font-family: Helvetica; font-size: 14px; font-style: normal; font-weight: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration-line: none; text-decoration-style: solid; text-decoration-color: currentcolor;" clear="none"><span class="ydp8af52843yiv2906015250" style="font-family: Helvetica; font-size: 14px; font-style: normal; font-weight: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration-line: none; text-decoration-style: solid; text-decoration-color: currentcolor; float: none; display: inline !important;">Both IC's were socketed. I had to pull disconnected legs out of the</span><br class="ydp8af52843yiv2906015250" style="font-family: Helvetica; font-size: 14px; font-style: normal; font-weight: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration-line: none; text-decoration-style: solid; text-decoration-color: currentcolor;" clear="none"><span class="ydp8af52843yiv2906015250" style="font-family: Helvetica; font-size: 14px; font-style: normal; font-weight: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration-line: none; text-decoration-style: solid; text-decoration-color: currentcolor; float: none; display: inline !important;">sockets after removing the chips. They shed their legs.</span><br class="ydp8af52843yiv2906015250" style="font-family: Helvetica; font-size: 14px; font-style: normal; font-weight: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration-line: none; text-decoration-style: solid; text-decoration-color: currentcolor;" clear="none"></div></div></blockquote></div><div class="ydp8af52843yiv2906015250"><br class="ydp8af52843yiv2906015250" clear="none"></div>I saw this happen once with a Bally pinball machine from the late '70s, the first generation electronic ones. The logic board was damaged by a leaking NiCd battery (the most common mode of failure) and when I tried to pull the ROMs out of the sockets the legs just snapped off. I don't recall the manufacturer.<div class="ydp8af52843yiv2906015250"><br class="ydp8af52843yiv2906015250" clear="none"></div><div class="ydp8af52843yiv2906015250">I don't know if the battery had anything to do with it. It's mounted at the bottom of the board and the firmware is up at the top. I've seen these boards with much worse corrosion and the ROMs/EPROMs were OK.<div class="ydp8af52843yiv2906015250"><br class="ydp8af52843yiv2906015250" clear="none"></div><div class="ydp8af52843yiv2906015250"><br class="ydp8af52843yiv2906015250" clear="none"></div><div class="ydp8af52843yiv2906015250"><div class="ydp8af52843yiv2906015250">
<div class="ydp8af52843yiv2906015250" style="text-indent: 0px;"><div class="ydp8af52843yiv2906015250" style="color: rgb(0, 0, 0); letter-spacing: normal; text-transform: none; white-space: normal; word-spacing: 0px; text-indent: 0px;">Terry Bowman, KA4HJH<br class="ydp8af52843yiv2906015250" clear="none">"The Mac Doctor"<br class="ydp8af52843yiv2906015250" clear="none"><br class="ydp8af52843yiv2906015250" clear="none"></div><div class="ydp8af52843yiv2906015250" style="text-indent: 0px;"><a shape="rect" class="ydp8af52843yiv2906015250" href="https://www.astarcloseup.com/" rel="nofollow" target="_blank">https://www.astarcloseup.com/</a></div><div class="ydp8af52843yiv2906015250" style="text-indent: 0px;"><br class="ydp8af52843yiv2906015250" clear="none"></div><div class="ydp8af52843yiv2906015250" style="color: rgb(0, 0, 0); letter-spacing: normal; text-transform: none; white-space: normal; word-spacing: 0px; text-indent: 0px;">“The book said something astonishing, a very big thought.<br class="ydp8af52843yiv2906015250" clear="none">It said that the stars were suns, only very far away.<br class="ydp8af52843yiv2906015250" clear="none">The Sun was a star, but close up.”—Carl Sagan,<span class="ydp8af52843yiv2906015250Apple-converted-space"> </span><i class="ydp8af52843yiv2906015250">Cosmos</i>, 1980<div class="ydp8af52843yiv2906015250yqt4525687433" id="ydp8af52843yiv2906015250yqtfd27486"><br class="ydp8af52843yiv2906015250" clear="none"><br class="ydp8af52843yiv2906015250" clear="none"></div></div></div><div class="ydp8af52843yiv2906015250yqt4525687433" id="ydp8af52843yiv2906015250yqtfd69711">
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