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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Dead DiSEqC Switch
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<blockquote data-quote="a33" data-source="post: 1013833" data-attributes="member: 332642"><p>Just to add:</p><p></p><p>This signal path goes through the <strong>PIN-diodes</strong>, in the right of the diagram above.</p><p>Very ingenious setup with the PIN-diodes, I think, but that is mainly because I never had much knowledge of RF switching and PIN-diodes before I 'studied' Diseqc switches. <img src="https://www.satellites.co.uk/styles/default/xenforo/smilies/smile.png" class="smilie" loading="lazy" alt=":)" title="Smile :)" data-shortname=":)" /></p><p></p><p>BTW A blown Diseqc switch as far as I know is usually caused by:</p><p>- blown transistor (one port won't switch on, or is always 'on'), or</p><p>- blown IC (switch doesn't react to switching commands at all).</p><p>A blown transistor can be replaced by another, if you want. For more expensive (diseqc 1.1/uncommitted) switches that might be worth the try. ;)</p><p>I've never done such repairing, though; I've never had a blown diseqc switch.....</p><p></p><p>Greetz,</p><p>A33</p></blockquote><p></p>
[QUOTE="a33, post: 1013833, member: 332642"] Just to add: This signal path goes through the [B]PIN-diodes[/B], in the right of the diagram above. Very ingenious setup with the PIN-diodes, I think, but that is mainly because I never had much knowledge of RF switching and PIN-diodes before I 'studied' Diseqc switches. :) BTW A blown Diseqc switch as far as I know is usually caused by: - blown transistor (one port won't switch on, or is always 'on'), or - blown IC (switch doesn't react to switching commands at all). A blown transistor can be replaced by another, if you want. For more expensive (diseqc 1.1/uncommitted) switches that might be worth the try. ;) I've never done such repairing, though; I've never had a blown diseqc switch..... Greetz, A33 [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Dead DiSEqC Switch
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