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    <p><font face="Times New Roman, Times, serif">Co "Kkapesní
        vyhledávač zkratu" PE AR 03/2023 str 11 rozlišení 0,1mohmů v
        rozsahu 0-3,5Ohmů</font></p>
    <p><font face="Times New Roman, Times, serif">Kobylka<br>
      </font></p>
    <div class="moz-cite-prefix">Dne 01.06.2024 v 8:31 Michal Grunt
      napsal(a):<br>
    </div>
    <blockquote type="cite"
cite="mid:CACR8hZ+pE=8045dr9sZ-0qFEQTtfCv=gTUYRMax6ZSYoENpm8A@mail.gmail.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="auto">Děkuji, vyzkouším.</div>
      <br>
      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">Dne pá 31. 5. 2024 14:14
          uživatel Nesvacil Jiri <<a href="mailto:nesvacil@posys.eu"
            moz-do-not-send="true" class="moz-txt-link-freetext">nesvacil@posys.eu</a>>
          napsal:<br>
        </div>
        <blockquote class="gmail_quote"
style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
          <div>
            <p>Díval jsem se a je to spíš toto <a
                href="http://www.belza.cz/simple/pisk.htm"
                target="_blank" rel="noreferrer" moz-do-not-send="true"
                class="moz-txt-link-freetext">http://www.belza.cz/simple/pisk.htm</a>
              čím zkouším.</p>
            <p>Jirka</p>
            <div>Dne 30.05.2024 v 14:00 Michal Grunt napsal(a):<br>
            </div>
            <blockquote type="cite">
              <div dir="ltr">Možná spíš toto? Strana 5.
                <div><br>
                </div>
                <div><a
href="https://www.ok1khl.com/storage/mladez/Soubor_stavebnich_navodu_pro_krouzky.pdf"
                    target="_blank" rel="noreferrer"
                    moz-do-not-send="true" class="moz-txt-link-freetext">https://www.ok1khl.com/storage/mladez/Soubor_stavebnich_navodu_pro_krouzky.pdf</a><br>
                </div>
              </div>
              <br>
              <div class="gmail_quote">
                <div dir="ltr" class="gmail_attr">čt 30. 5. 2024 v 13:37
                  odesílatel Michal Grunt <<a
                    href="mailto:michal.grunt@gmail.com" target="_blank"
                    rel="noreferrer" moz-do-not-send="true"
                    class="moz-txt-link-freetext">michal.grunt@gmail.com</a>>
                  napsal:<br>
                </div>
                <blockquote class="gmail_quote"
style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
                  <div dir="auto">Není to něco takového?
                    <div dir="auto"><br>
                    </div>
                    <div dir="auto"><a
href="https://www.high-voltage-lab.com/202/continuity-tester"
                        target="_blank" rel="noreferrer"
                        moz-do-not-send="true"
                        class="moz-txt-link-freetext">https://www.high-voltage-lab.com/202/continuity-tester</a></div>
                    <div dir="auto"><br>
                    </div>
                    <div dir="auto">Nebo</div>
                    <div dir="auto"><br>
                    </div>
                    <div dir="auto"><a
href="https://www.eeweb.com/continuity-tester-circuit-diagram/"
                        target="_blank" rel="noreferrer"
                        moz-do-not-send="true"
                        class="moz-txt-link-freetext">https://www.eeweb.com/continuity-tester-circuit-diagram/</a></div>
                  </div>
                  <br>
                  <div class="gmail_quote">
                    <div dir="ltr" class="gmail_attr">Dne čt 30. 5. 2024
                      7:55 uživatel Nesvacil Jiri <<a
                        href="mailto:nesvacil@posys.eu" target="_blank"
                        rel="noreferrer" moz-do-not-send="true"
                        class="moz-txt-link-freetext">nesvacil@posys.eu</a>>
                      napsal:<br>
                    </div>
                    <blockquote class="gmail_quote"
style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
                      <div>
                        <p>Na zjištění zkratu používám multivibrátor,
                          někde v AR bylo schéma na vstupu to má
                          ochranné diody tj. malé napětí, hlavně slyším
                          vybíjení kondenzátorů či zkrat. Měřidlem si
                          nedokáži úplně představit. Menší kapacity se
                          tím poznají hůře či menší odpory, ale oproti
                          měření ohmetrem.... . Někde vyšel taky
                          c-beeper, ale tady zrovna nepoužívám a nevím
                          zda tady by byl ideální.</p>
                        <p>Jirka<br>
                        </p>
                        <div>Dne 30.05.2024 v 7:10 Michal Grunt
                          napsal(a):<br>
                        </div>
                        <blockquote type="cite">
                          <div dir="auto">Jaké proudove omezeni máte
                            nastaveno? Děkuji.</div>
                          <br>
                          <div class="gmail_quote">
                            <div dir="ltr" class="gmail_attr">Dne st 29.
                              5. 2024 22:04 uživatel Jan Kuba <<a
                                href="mailto:honza.kuba@gmail.com"
                                rel="noreferrer noreferrer"
                                target="_blank" moz-do-not-send="true"
                                class="moz-txt-link-freetext">honza.kuba@gmail.com</a>>
                              napsal:<br>
                            </div>
                            <blockquote class="gmail_quote"
style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
                              <div dir="ltr">Já hledám tak, že tam
                                připojím třeba 1V a měřím napětí v
                                jednotlivých částech napájecí sběrnice.
                                Při větším proudu ( je třeba omezení I) 
                                <div>už je poznat třeba prstem nebo 
                                  termokamerou, který kond je ve
                                  zkratu...</div>
                              </div>
                              <div
id="m_-9080113161777530748m_-4867192474044427739m_-3512490688857473190m_-3540294172163703170DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br>
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                                      <td
style="width:55px;padding-top:13px"><a
href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail"
rel="noreferrer noreferrer noreferrer" target="_blank"
                                          moz-do-not-send="true"><img
src="https://s-install.avcdn.net/ipm/preview/icons/icon-envelope-tick-round-orange-animated-no-repeat-v1.gif"
                                            alt=""
style="width:46px;height:29px" moz-do-not-send="true" width="46"
                                            height="29"></a></td>
                                      <td
style="width:470px;padding-top:12px;color:rgb(65,66,78);font-size:13px;font-family:Arial,Helvetica,sans-serif;line-height:18px">Neobsahuje
                                        žádné viry.<a
href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail"
                                          style="color:rgb(68,83,234)"
rel="noreferrer noreferrer noreferrer" target="_blank"
                                          moz-do-not-send="true">www.avast.com</a></td>
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                              </div>
                              <br>
                              <div class="gmail_quote">
                                <div dir="ltr" class="gmail_attr">st 29.
                                  5. 2024 v 21:54 odesílatel Michal
                                  Grunt <<a
                                    href="mailto:michal.grunt@gmail.com"
rel="noreferrer noreferrer noreferrer" target="_blank"
                                    moz-do-not-send="true"
                                    class="moz-txt-link-freetext">michal.grunt@gmail.com</a>>
                                  napsal:<br>
                                </div>
                                <blockquote class="gmail_quote"
style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
                                  <div dir="auto">Mám tu jeden notebook,
                                    který se chová tak, že po zmacknuti
                                    tlacitka pro zapnutí se na 1-5
                                    vteřin zapne a ihned vypne. Po
                                    vyzkoušení takoveho toho bezne
                                    uzivatelsky mozneho (jina pamet
                                    atd.) jsem vyndal desku. Vypadá to,
                                    že je ve zkratu část za menici
                                    napětí, které napájí CPU.
                                    <div dir="auto"><br>
                                    </div>
                                    <div dir="auto">Předpokládejme, že
                                      je na vine nějaký z kondenzátoru.
                                      Desku jsem prohlédl pod
                                      mikroskopem a žádnou destrukci
                                      něčeho jsem nenašel. Ani žádný
                                      náznak.
                                      <div dir="auto"><br>
                                      </div>
                                      <div dir="auto">Kondenzátory pod
                                        CPU a část kondenzátoru za
                                        menici jsou ve zkratu. Před
                                        menici jsou v pořádku (mysleno
                                        tak, ze napajeci konektor ve
                                        zkratu neni). Na desce je měničů
                                        více, ale postižené jsou ty v
                                        uctite části desky. Dohromady
                                        asi 40 kondenzatoru plus ty pod
                                        CPU.</div>
                                      <div dir="auto"><br>
                                      </div>
                                      <div dir="auto">Jak v nich najít
                                        ten problémový? Osahat jsem to
                                        DM v režimu ohmetr a v určitě
                                        části jsem nameril minimální
                                        odpor. Ale i tak jde o dost kusů
                                        kondenzátoru. Pak tu mám ještě
                                        tuto konstrukci</div>
                                      <div dir="auto"><br>
                                      </div>
                                      <div dir="auto"><a
href="http://mcu.cz/news.php?extend.1242.3"
rel="noreferrer noreferrer noreferrer" target="_blank"
                                          moz-do-not-send="true"
                                          class="moz-txt-link-freetext">http://mcu.cz/news.php?extend.1242.3</a></div>
                                      <div dir="auto"><br>
                                      </div>
                                      <div dir="auto">která meri
                                        miliohmy, ale s tím jsem toho
                                        take moc nenašel nebo s tím v
                                        tomto režimu neumí... Viděl jsem
                                        videa jak s tím autor zkraty
                                        hledá či blíže lokalizuje, ale
                                        nějak se nedaří.</div>
                                      <div dir="auto"><br>
                                      </div>
                                      <div dir="auto">Snad tam
                                        "injektovat" napětí postupne na
                                        ruzna mista a měřit odběr?</div>
                                      <div dir="auto"><br>
                                      </div>
                                      <div dir="auto">Děkuji</div>
                                      <div dir="auto"><br>
                                      </div>
                                      <div dir="auto">MG</div>
                                    </div>
                                  </div>
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