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<div class="moz-cite-prefix">PS: there is a picture of the PCB at
<a class="moz-txt-link-freetext" href="https://www.joness.com/gr300/pics/SPV-355/Roland_SPV-355_13.JPG">https://www.joness.com/gr300/pics/SPV-355/Roland_SPV-355_13.JPG</a>
but I could not find them (yet).<br>
<br>
Am 18.06.23 um 11:38 schrieb Florian Anwander:<br>
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cite="mid:2d5fe252-467c-7d1b-bbe0-28bd6b769489@mnet-online.de">
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<div class="moz-cite-prefix">Though it is a shot in the mist:<br>
<br>
There are three types of tantalum capactors listed in the
service manual. I bet those are on the supply rails and I bet (a
little bit less) one of them got shorted.<br>
<br>
<img src="cid:part1.EbSffKYh.SfVf8F9m@mnet-online.de" alt=""
class=""><br>
<br>
<br>
Florian<br>
<br>
Am 16.06.23 um 19:12 schrieb Todd Sines via Synth-diy:<br>
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cite="mid:DDCF8020-CF1A-4E78-8633-9868579278DD@scale.la">
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<span style="-webkit-text-size-adjust: auto; caret-color: rgb(0,
0, 0); color: rgb(0, 0, 0);">I have an SPV-355 that was
behaving adequately fine until recently. Unit will power on,
(and LEDs illuminate correctly) if the -15V LM7915 is
unplugged, when engaged, it shorts and blows both fuses. </span><br
style="-webkit-text-size-adjust: auto; caret-color: rgb(0, 0,
0); color: rgb(0, 0, 0);">
<span style="-webkit-text-size-adjust: auto; caret-color: rgb(0,
0, 0); color: rgb(0, 0, 0);"></span><br
style="-webkit-text-size-adjust: auto; caret-color: rgb(0, 0,
0); color: rgb(0, 0, 0);">
<span style="-webkit-text-size-adjust: auto; caret-color: rgb(0,
0, 0); color: rgb(0, 0, 0);">Wonder if anyone’s encountered
this and if so, what did you do, or where did you look first?</span><br
style="-webkit-text-size-adjust: auto; caret-color: rgb(0, 0,
0); color: rgb(0, 0, 0);">
<span style="-webkit-text-size-adjust: auto; caret-color: rgb(0,
0, 0); color: rgb(0, 0, 0);"></span><br
style="-webkit-text-size-adjust: auto; caret-color: rgb(0, 0,
0); color: rgb(0, 0, 0);">
<span style="-webkit-text-size-adjust: auto; caret-color: rgb(0,
0, 0); color: rgb(0, 0, 0);"></span><br
style="-webkit-text-size-adjust: auto; caret-color: rgb(0, 0,
0); color: rgb(0, 0, 0);">
<span style="-webkit-text-size-adjust: auto; caret-color: rgb(0,
0, 0); color: rgb(0, 0, 0);">Todd</span> <br>
<fieldset class="moz-mime-attachment-header"></fieldset>
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