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Tech Head - The Technology Section
The Work Bench and Soldering Station
Schematic For Echostar AD3000ip Power Supply
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<blockquote data-quote="vlammie" data-source="post: 473784" data-attributes="member: 270173"><p>Hi Llew</p><p></p><p>Actually it does not make any difference if I load the 5VS or 5VD line. If i attach a 18 Ohm / 10 W resistor it already goes into hick-up mode. I have swapped several components now (IC3 with IC7, IC2 with IC6) just to see if one of these is bad. Without any succes however. Also measured components in the feed-back loop, like C15. The behaviour of the SMPS is still the same. So most suspect is now IC1 (1H0565R). I have ordered 2 pieces in the US at <a href="http://www.bluestar-online.com" target="_blank">http://www.bluestar-online.com</a>. I will let you know if this solved my problem after they arrive. This will take a couple of day's i presume. So we have to keep:-thumbup</p></blockquote><p></p>
[QUOTE="vlammie, post: 473784, member: 270173"] Hi Llew Actually it does not make any difference if I load the 5VS or 5VD line. If i attach a 18 Ohm / 10 W resistor it already goes into hick-up mode. I have swapped several components now (IC3 with IC7, IC2 with IC6) just to see if one of these is bad. Without any succes however. Also measured components in the feed-back loop, like C15. The behaviour of the SMPS is still the same. So most suspect is now IC1 (1H0565R). I have ordered 2 pieces in the US at [url]http://www.bluestar-online.com[/url]. I will let you know if this solved my problem after they arrive. This will take a couple of day's i presume. So we have to keep:-thumbup [/QUOTE]
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Miscellaneous Sections
Tech Head - The Technology Section
The Work Bench and Soldering Station
Schematic For Echostar AD3000ip Power Supply
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