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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: 573743" data-attributes="member: 175007"><p>Most problems that occur with the Echostar are caused by faults in the PSU. If you have a multimeter, check the voltages to the mainboard at the connector at switch-on and normal running temperature, noticing any that might be dropping down from normal.</p><p></p><p>If there is, check against the schematic, as it's fairly certain that it will be one of the electrolytics in the PSU associated with that supply line.</p><p></p><p>AFAIK there's no published diagrams for the mainboard circuit, any problems I've come across have had to be checked out by circuit tracing ( mostly the LNB voltage switching circuits and audio/video switching outputs to the scarts.</p><p></p><p>Llew</p><p></p><p>voltage.</p></blockquote><p></p>
[QUOTE="Llew, post: 573743, member: 175007"] Most problems that occur with the Echostar are caused by faults in the PSU. If you have a multimeter, check the voltages to the mainboard at the connector at switch-on and normal running temperature, noticing any that might be dropping down from normal. If there is, check against the schematic, as it's fairly certain that it will be one of the electrolytics in the PSU associated with that supply line. AFAIK there's no published diagrams for the mainboard circuit, any problems I've come across have had to be checked out by circuit tracing ( mostly the LNB voltage switching circuits and audio/video switching outputs to the scarts. Llew voltage. [/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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