Hi ! <div>Yep, i'm sure it's a 220v. Unit </div><div>I gonna check again values after the transformer.</div><div>Maybe the diodes arrow is also good looking forward.</div><div>Thanks for your support </div><div>!!</div><div>J.<br><br>Le jeudi 13 août 2020, Ullrich Peter <<a href="mailto:Peter.Ullrich@kapsch.net">Peter.Ullrich@kapsch.net</a>> a écrit :<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi!<br>
<br>
Are you sure that it is a 220V and not a 110V unit?<br>
<br>
This could cause the fuse blow if it’s a 110V unit...<br>
<br>
Ciao<br>
Peter<br>
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-----Ursprüngliche Nachricht-----<br>
Von: Synth-diy <<a href="mailto:synth-diy-bounces@synth-diy.org">synth-diy-bounces@synth-diy.<wbr>org</a>> Im Auftrag von Ben Stuyts<br>
Gesendet: Donnerstag, 13. August 2020 14:46<br>
An: Jean Bender <<a href="mailto:lofideadbeat@gmail.com">lofideadbeat@gmail.com</a>><br>
Cc: SDIY <<a href="mailto:synth-diy@synth-diy.org">synth-diy@synth-diy.org</a>><br>
Betreff: Re: [sdiy] Need help reading a schematic<br>
<br>
<br>
<br>
> On 13 Aug 2020, at 09:43, Jean Bender <<a href="mailto:lofideadbeat@gmail.com">lofideadbeat@gmail.com</a>> wrote:<br>
><br>
> As 2 fuses always blow up if powered, i'm pretty sure the power<br>
> transformer is dead, it's not a thoroidal one. I gonna try to get a<br>
> 220V to 2 secondary 18V AC and see if it lett the pdd14 can go back to<br>
> life ;).<br>
> The regulators are LM7815, 7915 and 7805.<br>
> The only thing i don't get yet is that two wires go from one<br>
> secondary, the V+ one goes through a fuse and then directly to the<br>
> pedal board jack. I guess i don't need it actually, as i don't have<br>
> the pedalboard !<br>
<br>
Something doesn’t add up. Are both those two fuses both on the secondary side? If so, what makes you assume the transformer is bad? Have you actually measured the output voltage of the transformer?<br>
<br>
If anything, that would point to a problem further on.<br>
<br>
Ben<br>
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</blockquote></div><br><br>-- <br><div dir="ltr"><div><div dir="ltr"><div><a href="http://jeanbender.blogspot.fr/" target="_blank">Jean Bender</a><br><br><a href="http://h.a.k.free.fr/" target="_blank">Hak Lofi Record</a><br><br></div><br><div><br><br><br></div></div></div></div><br>