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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="Llew" data-source="post: 401133" data-attributes="member: 175007"><p>Hi Reginald</p><p></p><p>Your problem is almost certain to be open circuit secondaries on these voltages, i.e. no load, causing the voltages to increase - possibly due to a disconnection or fault on these outputs within the receiver circuitry itself.</p><p></p><p>Unfortunately all voltage outputs with the exception of the +5V line are not regulated, so any variation in voltages there will not provide feedback to the primary supply and shut down the SMPS.</p><p></p><p>Llew</p></blockquote><p></p>
[QUOTE="Llew, post: 401133, member: 175007"] Hi Reginald Your problem is almost certain to be open circuit secondaries on these voltages, i.e. no load, causing the voltages to increase - possibly due to a disconnection or fault on these outputs within the receiver circuitry itself. Unfortunately all voltage outputs with the exception of the +5V line are not regulated, so any variation in voltages there will not provide feedback to the primary supply and shut down the SMPS. Llew [/QUOTE]
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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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