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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
KA Band section
Newsnet on Ka Band A
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<blockquote data-quote="John" data-source="post: 964622" data-attributes="member: 175005"><p>..... I think i am having a near death experience here.</p><p>Does this ring a bell with you Chris-1979, read on</p><p></p><p>My 18Ghz XMW pll R9215HAF +12 to +24 volt supply started to show much lower signal levels a couple of days ago to the point where yesterday there was virtually no signals at all on the band.</p><p>Dismantled from dish expecting to find water ingress through feed cap seal or elsewhere ..... Nope, not the case. Dry as a Nuns.</p><p>Put it on the analyser and immediately saw very low gain, current draw of 229mA rising to 231mA after 30 mins or so on either 12 or 17v supply which is the same as when it was brand new four months ago. Supply it with 24v as a quick stress test and it failed, runs quite happily on 12 - 18volts.</p><p>Initial switch on from cold shows 46 dBuV rising up to 54 dBuV after 30 minutes..... 40 minutes plus and it starts to die and drops and holds at just over 40 dBuV and has a warm casing .</p><p></p><p>Looks like i need to fire an email off to Jin /xmw, South Korea re: returning. <img src="https://www.satellites.co.uk/styles/default/xenforo/smilies/sad.png" class="smilie" loading="lazy" alt=":(" title="Sad :(" data-shortname=":(" /><img src="https://www.satellites.co.uk/styles/default/xenforo/smilies/sad.png" class="smilie" loading="lazy" alt=":(" title="Sad :(" data-shortname=":(" /> , going to miss my Newsnet ladies <img src="https://www.satellites.co.uk/styles/default/xenforo/smilies/sad.png" class="smilie" loading="lazy" alt=":(" title="Sad :(" data-shortname=":(" /></p></blockquote><p></p>
[QUOTE="John, post: 964622, member: 175005"] ..... I think i am having a near death experience here. Does this ring a bell with you Chris-1979, read on My 18Ghz XMW pll R9215HAF +12 to +24 volt supply started to show much lower signal levels a couple of days ago to the point where yesterday there was virtually no signals at all on the band. Dismantled from dish expecting to find water ingress through feed cap seal or elsewhere ..... Nope, not the case. Dry as a Nuns. Put it on the analyser and immediately saw very low gain, current draw of 229mA rising to 231mA after 30 mins or so on either 12 or 17v supply which is the same as when it was brand new four months ago. Supply it with 24v as a quick stress test and it failed, runs quite happily on 12 - 18volts. Initial switch on from cold shows 46 dBuV rising up to 54 dBuV after 30 minutes..... 40 minutes plus and it starts to die and drops and holds at just over 40 dBuV and has a warm casing . Looks like i need to fire an email off to Jin /xmw, South Korea re: returning. :(:( , going to miss my Newsnet ladies :( [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
KA Band section
Newsnet on Ka Band A
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